-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathindex.html
executable file
·1536 lines (1468 loc) · 190 KB
/
index.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="generator" content="Asciidoctor 1.5.4">
<meta name="author" content="Joelson Rocha">
<title>DCA0445: Processamento Digital de Imagens</title>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700">
<style>
/* Asciidoctor default stylesheet | MIT License | http://asciidoctor.org */
/* Remove comment around @import statement below when using as a custom stylesheet */
/*@import "https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700";*/
article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block}
audio,canvas,video{display:inline-block}
audio:not([controls]){display:none;height:0}
[hidden],template{display:none}
script{display:none!important}
html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}
body{margin:0}
a{background:transparent}
a:focus{outline:thin dotted}
a:active,a:hover{outline:0}
h1{font-size:2em;margin:.67em 0}
abbr[title]{border-bottom:1px dotted}
b,strong{font-weight:bold}
dfn{font-style:italic}
hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}
mark{background:#ff0;color:#000}
code,kbd,pre,samp{font-family:monospace;font-size:1em}
pre{white-space:pre-wrap}
q{quotes:"\201C" "\201D" "\2018" "\2019"}
small{font-size:80%}
sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}
sup{top:-.5em}
sub{bottom:-.25em}
img{border:0}
svg:not(:root){overflow:hidden}
figure{margin:0}
fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}
legend{border:0;padding:0}
button,input,select,textarea{font-family:inherit;font-size:100%;margin:0}
button,input{line-height:normal}
button,select{text-transform:none}
button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}
button[disabled],html input[disabled]{cursor:default}
input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}
input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box}
input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}
button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}
textarea{overflow:auto;vertical-align:top}
table{border-collapse:collapse;border-spacing:0}
*,*:before,*:after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}
html,body{font-size:100%}
body{background:#fff;color:rgba(0,0,0,.8);padding:0;margin:0;font-family:"Noto Serif","DejaVu Serif",serif;font-weight:400;font-style:normal;line-height:1;position:relative;cursor:auto}
a:hover{cursor:pointer}
img,object,embed{max-width:100%;height:auto}
object,embed{height:100%}
img{-ms-interpolation-mode:bicubic}
.left{float:left!important}
.right{float:right!important}
.text-left{text-align:left!important}
.text-right{text-align:right!important}
.text-center{text-align:center!important}
.text-justify{text-align:justify!important}
.hide{display:none}
body{-webkit-font-smoothing:antialiased}
img,object,svg{display:inline-block;vertical-align:middle}
textarea{height:auto;min-height:50px}
select{width:100%}
.center{margin-left:auto;margin-right:auto}
.spread{width:100%}
p.lead,.paragraph.lead>p,#preamble>.sectionbody>.paragraph:first-of-type p{font-size:1.21875em;line-height:1.6}
.subheader,.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{line-height:1.45;color:#7a2518;font-weight:400;margin-top:0;margin-bottom:.25em}
div,dl,dt,dd,ul,ol,li,h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6,pre,form,p,blockquote,th,td{margin:0;padding:0;direction:ltr}
a{color:#2156a5;text-decoration:underline;line-height:inherit}
a:hover,a:focus{color:#1d4b8f}
a img{border:none}
p{font-family:inherit;font-weight:400;font-size:1em;line-height:1.6;margin-bottom:1.25em;text-rendering:optimizeLegibility}
p aside{font-size:.875em;line-height:1.35;font-style:italic}
h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{font-family:"Open Sans","DejaVu Sans",sans-serif;font-weight:300;font-style:normal;color:#ba3925;text-rendering:optimizeLegibility;margin-top:1em;margin-bottom:.5em;line-height:1.0125em}
h1 small,h2 small,h3 small,#toctitle small,.sidebarblock>.content>.title small,h4 small,h5 small,h6 small{font-size:60%;color:#e99b8f;line-height:0}
h1{font-size:2.125em}
h2{font-size:1.6875em}
h3,#toctitle,.sidebarblock>.content>.title{font-size:1.375em}
h4,h5{font-size:1.125em}
h6{font-size:1em}
hr{border:solid #ddddd8;border-width:1px 0 0;clear:both;margin:1.25em 0 1.1875em;height:0}
em,i{font-style:italic;line-height:inherit}
strong,b{font-weight:bold;line-height:inherit}
small{font-size:60%;line-height:inherit}
code{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;font-weight:400;color:rgba(0,0,0,.9)}
ul,ol,dl{font-size:1em;line-height:1.6;margin-bottom:1.25em;list-style-position:outside;font-family:inherit}
ul,ol,ul.no-bullet,ol.no-bullet{margin-left:1.5em}
ul li ul,ul li ol{margin-left:1.25em;margin-bottom:0;font-size:1em}
ul.square li ul,ul.circle li ul,ul.disc li ul{list-style:inherit}
ul.square{list-style-type:square}
ul.circle{list-style-type:circle}
ul.disc{list-style-type:disc}
ul.no-bullet{list-style:none}
ol li ul,ol li ol{margin-left:1.25em;margin-bottom:0}
dl dt{margin-bottom:.3125em;font-weight:bold}
dl dd{margin-bottom:1.25em}
abbr,acronym{text-transform:uppercase;font-size:90%;color:rgba(0,0,0,.8);border-bottom:1px dotted #ddd;cursor:help}
abbr{text-transform:none}
blockquote{margin:0 0 1.25em;padding:.5625em 1.25em 0 1.1875em;border-left:1px solid #ddd}
blockquote cite{display:block;font-size:.9375em;color:rgba(0,0,0,.6)}
blockquote cite:before{content:"\2014 \0020"}
blockquote cite a,blockquote cite a:visited{color:rgba(0,0,0,.6)}
blockquote,blockquote p{line-height:1.6;color:rgba(0,0,0,.85)}
@media only screen and (min-width:768px){h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2}
h1{font-size:2.75em}
h2{font-size:2.3125em}
h3,#toctitle,.sidebarblock>.content>.title{font-size:1.6875em}
h4{font-size:1.4375em}}
table{background:#fff;margin-bottom:1.25em;border:solid 1px #dedede}
table thead,table tfoot{background:#f7f8f7;font-weight:bold}
table thead tr th,table thead tr td,table tfoot tr th,table tfoot tr td{padding:.5em .625em .625em;font-size:inherit;color:rgba(0,0,0,.8);text-align:left}
table tr th,table tr td{padding:.5625em .625em;font-size:inherit;color:rgba(0,0,0,.8)}
table tr.even,table tr.alt,table tr:nth-of-type(even){background:#f8f8f7}
table thead tr th,table tfoot tr th,table tbody tr td,table tr td,table tfoot tr td{display:table-cell;line-height:1.6}
body{tab-size:4}
h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2;word-spacing:-.05em}
h1 strong,h2 strong,h3 strong,#toctitle strong,.sidebarblock>.content>.title strong,h4 strong,h5 strong,h6 strong{font-weight:400}
.clearfix:before,.clearfix:after,.float-group:before,.float-group:after{content:" ";display:table}
.clearfix:after,.float-group:after{clear:both}
*:not(pre)>code{font-size:.9375em;font-style:normal!important;letter-spacing:0;padding:.1em .5ex;word-spacing:-.15em;background-color:#f7f7f8;-webkit-border-radius:4px;border-radius:4px;line-height:1.45;text-rendering:optimizeSpeed}
pre,pre>code{line-height:1.45;color:rgba(0,0,0,.9);font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;font-weight:400;text-rendering:optimizeSpeed}
.keyseq{color:rgba(51,51,51,.8)}
kbd{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;display:inline-block;color:rgba(0,0,0,.8);font-size:.65em;line-height:1.45;background-color:#f7f7f7;border:1px solid #ccc;-webkit-border-radius:3px;border-radius:3px;-webkit-box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em white inset;box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em #fff inset;margin:0 .15em;padding:.2em .5em;vertical-align:middle;position:relative;top:-.1em;white-space:nowrap}
.keyseq kbd:first-child{margin-left:0}
.keyseq kbd:last-child{margin-right:0}
.menuseq,.menu{color:rgba(0,0,0,.8)}
b.button:before,b.button:after{position:relative;top:-1px;font-weight:400}
b.button:before{content:"[";padding:0 3px 0 2px}
b.button:after{content:"]";padding:0 2px 0 3px}
p a>code:hover{color:rgba(0,0,0,.9)}
#header,#content,#footnotes,#footer{width:100%;margin-left:auto;margin-right:auto;margin-top:0;margin-bottom:0;max-width:62.5em;*zoom:1;position:relative;padding-left:.9375em;padding-right:.9375em}
#header:before,#header:after,#content:before,#content:after,#footnotes:before,#footnotes:after,#footer:before,#footer:after{content:" ";display:table}
#header:after,#content:after,#footnotes:after,#footer:after{clear:both}
#content{margin-top:1.25em}
#content:before{content:none}
#header>h1:first-child{color:rgba(0,0,0,.85);margin-top:2.25rem;margin-bottom:0}
#header>h1:first-child+#toc{margin-top:8px;border-top:1px solid #ddddd8}
#header>h1:only-child,body.toc2 #header>h1:nth-last-child(2){border-bottom:1px solid #ddddd8;padding-bottom:8px}
#header .details{border-bottom:1px solid #ddddd8;line-height:1.45;padding-top:.25em;padding-bottom:.25em;padding-left:.25em;color:rgba(0,0,0,.6);display:-ms-flexbox;display:-webkit-flex;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap}
#header .details span:first-child{margin-left:-.125em}
#header .details span.email a{color:rgba(0,0,0,.85)}
#header .details br{display:none}
#header .details br+span:before{content:"\00a0\2013\00a0"}
#header .details br+span.author:before{content:"\00a0\22c5\00a0";color:rgba(0,0,0,.85)}
#header .details br+span#revremark:before{content:"\00a0|\00a0"}
#header #revnumber{text-transform:capitalize}
#header #revnumber:after{content:"\00a0"}
#content>h1:first-child:not([class]){color:rgba(0,0,0,.85);border-bottom:1px solid #ddddd8;padding-bottom:8px;margin-top:0;padding-top:1rem;margin-bottom:1.25rem}
#toc{border-bottom:1px solid #efefed;padding-bottom:.5em}
#toc>ul{margin-left:.125em}
#toc ul.sectlevel0>li>a{font-style:italic}
#toc ul.sectlevel0 ul.sectlevel1{margin:.5em 0}
#toc ul{font-family:"Open Sans","DejaVu Sans",sans-serif;list-style-type:none}
#toc li{line-height:1.3334;margin-top:.3334em}
#toc a{text-decoration:none}
#toc a:active{text-decoration:underline}
#toctitle{color:#7a2518;font-size:1.2em}
@media only screen and (min-width:768px){#toctitle{font-size:1.375em}
body.toc2{padding-left:15em;padding-right:0}
#toc.toc2{margin-top:0!important;background-color:#f8f8f7;position:fixed;width:15em;left:0;top:0;border-right:1px solid #efefed;border-top-width:0!important;border-bottom-width:0!important;z-index:1000;padding:1.25em 1em;height:100%;overflow:auto}
#toc.toc2 #toctitle{margin-top:0;margin-bottom:.8rem;font-size:1.2em}
#toc.toc2>ul{font-size:.9em;margin-bottom:0}
#toc.toc2 ul ul{margin-left:0;padding-left:1em}
#toc.toc2 ul.sectlevel0 ul.sectlevel1{padding-left:0;margin-top:.5em;margin-bottom:.5em}
body.toc2.toc-right{padding-left:0;padding-right:15em}
body.toc2.toc-right #toc.toc2{border-right-width:0;border-left:1px solid #efefed;left:auto;right:0}}
@media only screen and (min-width:1280px){body.toc2{padding-left:20em;padding-right:0}
#toc.toc2{width:20em}
#toc.toc2 #toctitle{font-size:1.375em}
#toc.toc2>ul{font-size:.95em}
#toc.toc2 ul ul{padding-left:1.25em}
body.toc2.toc-right{padding-left:0;padding-right:20em}}
#content #toc{border-style:solid;border-width:1px;border-color:#e0e0dc;margin-bottom:1.25em;padding:1.25em;background:#f8f8f7;-webkit-border-radius:4px;border-radius:4px}
#content #toc>:first-child{margin-top:0}
#content #toc>:last-child{margin-bottom:0}
#footer{max-width:100%;background-color:rgba(0,0,0,.8);padding:1.25em}
#footer-text{color:rgba(255,255,255,.8);line-height:1.44}
.sect1{padding-bottom:.625em}
@media only screen and (min-width:768px){.sect1{padding-bottom:1.25em}}
.sect1+.sect1{border-top:1px solid #efefed}
#content h1>a.anchor,h2>a.anchor,h3>a.anchor,#toctitle>a.anchor,.sidebarblock>.content>.title>a.anchor,h4>a.anchor,h5>a.anchor,h6>a.anchor{position:absolute;z-index:1001;width:1.5ex;margin-left:-1.5ex;display:block;text-decoration:none!important;visibility:hidden;text-align:center;font-weight:400}
#content h1>a.anchor:before,h2>a.anchor:before,h3>a.anchor:before,#toctitle>a.anchor:before,.sidebarblock>.content>.title>a.anchor:before,h4>a.anchor:before,h5>a.anchor:before,h6>a.anchor:before{content:"\00A7";font-size:.85em;display:block;padding-top:.1em}
#content h1:hover>a.anchor,#content h1>a.anchor:hover,h2:hover>a.anchor,h2>a.anchor:hover,h3:hover>a.anchor,#toctitle:hover>a.anchor,.sidebarblock>.content>.title:hover>a.anchor,h3>a.anchor:hover,#toctitle>a.anchor:hover,.sidebarblock>.content>.title>a.anchor:hover,h4:hover>a.anchor,h4>a.anchor:hover,h5:hover>a.anchor,h5>a.anchor:hover,h6:hover>a.anchor,h6>a.anchor:hover{visibility:visible}
#content h1>a.link,h2>a.link,h3>a.link,#toctitle>a.link,.sidebarblock>.content>.title>a.link,h4>a.link,h5>a.link,h6>a.link{color:#ba3925;text-decoration:none}
#content h1>a.link:hover,h2>a.link:hover,h3>a.link:hover,#toctitle>a.link:hover,.sidebarblock>.content>.title>a.link:hover,h4>a.link:hover,h5>a.link:hover,h6>a.link:hover{color:#a53221}
.audioblock,.imageblock,.literalblock,.listingblock,.stemblock,.videoblock{margin-bottom:1.25em}
.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{text-rendering:optimizeLegibility;text-align:left;font-family:"Noto Serif","DejaVu Serif",serif;font-size:1rem;font-style:italic}
table.tableblock>caption.title{white-space:nowrap;overflow:visible;max-width:0}
.paragraph.lead>p,#preamble>.sectionbody>.paragraph:first-of-type p{color:rgba(0,0,0,.85)}
table.tableblock #preamble>.sectionbody>.paragraph:first-of-type p{font-size:inherit}
.admonitionblock>table{border-collapse:separate;border:0;background:none;width:100%}
.admonitionblock>table td.icon{text-align:center;width:80px}
.admonitionblock>table td.icon img{max-width:none}
.admonitionblock>table td.icon .title{font-weight:bold;font-family:"Open Sans","DejaVu Sans",sans-serif;text-transform:uppercase}
.admonitionblock>table td.content{padding-left:1.125em;padding-right:1.25em;border-left:1px solid #ddddd8;color:rgba(0,0,0,.6)}
.admonitionblock>table td.content>:last-child>:last-child{margin-bottom:0}
.exampleblock>.content{border-style:solid;border-width:1px;border-color:#e6e6e6;margin-bottom:1.25em;padding:1.25em;background:#fff;-webkit-border-radius:4px;border-radius:4px}
.exampleblock>.content>:first-child{margin-top:0}
.exampleblock>.content>:last-child{margin-bottom:0}
.sidebarblock{border-style:solid;border-width:1px;border-color:#e0e0dc;margin-bottom:1.25em;padding:1.25em;background:#f8f8f7;-webkit-border-radius:4px;border-radius:4px}
.sidebarblock>:first-child{margin-top:0}
.sidebarblock>:last-child{margin-bottom:0}
.sidebarblock>.content>.title{color:#7a2518;margin-top:0;text-align:center}
.exampleblock>.content>:last-child>:last-child,.exampleblock>.content .olist>ol>li:last-child>:last-child,.exampleblock>.content .ulist>ul>li:last-child>:last-child,.exampleblock>.content .qlist>ol>li:last-child>:last-child,.sidebarblock>.content>:last-child>:last-child,.sidebarblock>.content .olist>ol>li:last-child>:last-child,.sidebarblock>.content .ulist>ul>li:last-child>:last-child,.sidebarblock>.content .qlist>ol>li:last-child>:last-child{margin-bottom:0}
.literalblock pre,.listingblock pre:not(.highlight),.listingblock pre[class="highlight"],.listingblock pre[class^="highlight "],.listingblock pre.CodeRay,.listingblock pre.prettyprint{background:#f7f7f8}
.sidebarblock .literalblock pre,.sidebarblock .listingblock pre:not(.highlight),.sidebarblock .listingblock pre[class="highlight"],.sidebarblock .listingblock pre[class^="highlight "],.sidebarblock .listingblock pre.CodeRay,.sidebarblock .listingblock pre.prettyprint{background:#f2f1f1}
.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{-webkit-border-radius:4px;border-radius:4px;word-wrap:break-word;padding:1em;font-size:.8125em}
.literalblock pre.nowrap,.literalblock pre[class].nowrap,.listingblock pre.nowrap,.listingblock pre[class].nowrap{overflow-x:auto;white-space:pre;word-wrap:normal}
@media only screen and (min-width:768px){.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{font-size:.90625em}}
@media only screen and (min-width:1280px){.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{font-size:1em}}
.literalblock.output pre{color:#f7f7f8;background-color:rgba(0,0,0,.9)}
.listingblock pre.highlightjs{padding:0}
.listingblock pre.highlightjs>code{padding:1em;-webkit-border-radius:4px;border-radius:4px}
.listingblock pre.prettyprint{border-width:0}
.listingblock>.content{position:relative}
.listingblock code[data-lang]:before{display:none;content:attr(data-lang);position:absolute;font-size:.75em;top:.425rem;right:.5rem;line-height:1;text-transform:uppercase;color:#999}
.listingblock:hover code[data-lang]:before{display:block}
.listingblock.terminal pre .command:before{content:attr(data-prompt);padding-right:.5em;color:#999}
.listingblock.terminal pre .command:not([data-prompt]):before{content:"$"}
table.pyhltable{border-collapse:separate;border:0;margin-bottom:0;background:none}
table.pyhltable td{vertical-align:top;padding-top:0;padding-bottom:0;line-height:1.45}
table.pyhltable td.code{padding-left:.75em;padding-right:0}
pre.pygments .lineno,table.pyhltable td:not(.code){color:#999;padding-left:0;padding-right:.5em;border-right:1px solid #ddddd8}
pre.pygments .lineno{display:inline-block;margin-right:.25em}
table.pyhltable .linenodiv{background:none!important;padding-right:0!important}
.quoteblock{margin:0 1em 1.25em 1.5em;display:table}
.quoteblock>.title{margin-left:-1.5em;margin-bottom:.75em}
.quoteblock blockquote,.quoteblock blockquote p{color:rgba(0,0,0,.85);font-size:1.15rem;line-height:1.75;word-spacing:.1em;letter-spacing:0;font-style:italic;text-align:justify}
.quoteblock blockquote{margin:0;padding:0;border:0}
.quoteblock blockquote:before{content:"\201c";float:left;font-size:2.75em;font-weight:bold;line-height:.6em;margin-left:-.6em;color:#7a2518;text-shadow:0 1px 2px rgba(0,0,0,.1)}
.quoteblock blockquote>.paragraph:last-child p{margin-bottom:0}
.quoteblock .attribution{margin-top:.5em;margin-right:.5ex;text-align:right}
.quoteblock .quoteblock{margin-left:0;margin-right:0;padding:.5em 0;border-left:3px solid rgba(0,0,0,.6)}
.quoteblock .quoteblock blockquote{padding:0 0 0 .75em}
.quoteblock .quoteblock blockquote:before{display:none}
.verseblock{margin:0 1em 1.25em 1em}
.verseblock pre{font-family:"Open Sans","DejaVu Sans",sans;font-size:1.15rem;color:rgba(0,0,0,.85);font-weight:300;text-rendering:optimizeLegibility}
.verseblock pre strong{font-weight:400}
.verseblock .attribution{margin-top:1.25rem;margin-left:.5ex}
.quoteblock .attribution,.verseblock .attribution{font-size:.9375em;line-height:1.45;font-style:italic}
.quoteblock .attribution br,.verseblock .attribution br{display:none}
.quoteblock .attribution cite,.verseblock .attribution cite{display:block;letter-spacing:-.025em;color:rgba(0,0,0,.6)}
.quoteblock.abstract{margin:0 0 1.25em 0;display:block}
.quoteblock.abstract blockquote,.quoteblock.abstract blockquote p{text-align:left;word-spacing:0}
.quoteblock.abstract blockquote:before,.quoteblock.abstract blockquote p:first-of-type:before{display:none}
table.tableblock{max-width:100%;border-collapse:separate}
table.tableblock td>.paragraph:last-child p>p:last-child,table.tableblock th>p:last-child,table.tableblock td>p:last-child{margin-bottom:0}
table.tableblock,th.tableblock,td.tableblock{border:0 solid #dedede}
table.grid-all th.tableblock,table.grid-all td.tableblock{border-width:0 1px 1px 0}
table.grid-all tfoot>tr>th.tableblock,table.grid-all tfoot>tr>td.tableblock{border-width:1px 1px 0 0}
table.grid-cols th.tableblock,table.grid-cols td.tableblock{border-width:0 1px 0 0}
table.grid-all *>tr>.tableblock:last-child,table.grid-cols *>tr>.tableblock:last-child{border-right-width:0}
table.grid-rows th.tableblock,table.grid-rows td.tableblock{border-width:0 0 1px 0}
table.grid-all tbody>tr:last-child>th.tableblock,table.grid-all tbody>tr:last-child>td.tableblock,table.grid-all thead:last-child>tr>th.tableblock,table.grid-rows tbody>tr:last-child>th.tableblock,table.grid-rows tbody>tr:last-child>td.tableblock,table.grid-rows thead:last-child>tr>th.tableblock{border-bottom-width:0}
table.grid-rows tfoot>tr>th.tableblock,table.grid-rows tfoot>tr>td.tableblock{border-width:1px 0 0 0}
table.frame-all{border-width:1px}
table.frame-sides{border-width:0 1px}
table.frame-topbot{border-width:1px 0}
th.halign-left,td.halign-left{text-align:left}
th.halign-right,td.halign-right{text-align:right}
th.halign-center,td.halign-center{text-align:center}
th.valign-top,td.valign-top{vertical-align:top}
th.valign-bottom,td.valign-bottom{vertical-align:bottom}
th.valign-middle,td.valign-middle{vertical-align:middle}
table thead th,table tfoot th{font-weight:bold}
tbody tr th{display:table-cell;line-height:1.6;background:#f7f8f7}
tbody tr th,tbody tr th p,tfoot tr th,tfoot tr th p{color:rgba(0,0,0,.8);font-weight:bold}
p.tableblock>code:only-child{background:none;padding:0}
p.tableblock{font-size:1em}
td>div.verse{white-space:pre}
ol{margin-left:1.75em}
ul li ol{margin-left:1.5em}
dl dd{margin-left:1.125em}
dl dd:last-child,dl dd:last-child>:last-child{margin-bottom:0}
ol>li p,ul>li p,ul dd,ol dd,.olist .olist,.ulist .ulist,.ulist .olist,.olist .ulist{margin-bottom:.625em}
ul.unstyled,ol.unnumbered,ul.checklist,ul.none{list-style-type:none}
ul.unstyled,ol.unnumbered,ul.checklist{margin-left:.625em}
ul.checklist li>p:first-child>.fa-square-o:first-child,ul.checklist li>p:first-child>.fa-check-square-o:first-child{width:1em;font-size:.85em}
ul.checklist li>p:first-child>input[type="checkbox"]:first-child{width:1em;position:relative;top:1px}
ul.inline{margin:0 auto .625em auto;margin-left:-1.375em;margin-right:0;padding:0;list-style:none;overflow:hidden}
ul.inline>li{list-style:none;float:left;margin-left:1.375em;display:block}
ul.inline>li>*{display:block}
.unstyled dl dt{font-weight:400;font-style:normal}
ol.arabic{list-style-type:decimal}
ol.decimal{list-style-type:decimal-leading-zero}
ol.loweralpha{list-style-type:lower-alpha}
ol.upperalpha{list-style-type:upper-alpha}
ol.lowerroman{list-style-type:lower-roman}
ol.upperroman{list-style-type:upper-roman}
ol.lowergreek{list-style-type:lower-greek}
.hdlist>table,.colist>table{border:0;background:none}
.hdlist>table>tbody>tr,.colist>table>tbody>tr{background:none}
td.hdlist1,td.hdlist2{vertical-align:top;padding:0 .625em}
td.hdlist1{font-weight:bold;padding-bottom:1.25em}
.literalblock+.colist,.listingblock+.colist{margin-top:-.5em}
.colist>table tr>td:first-of-type{padding:0 .75em;line-height:1}
.colist>table tr>td:last-of-type{padding:.25em 0}
.thumb,.th{line-height:0;display:inline-block;border:solid 4px #fff;-webkit-box-shadow:0 0 0 1px #ddd;box-shadow:0 0 0 1px #ddd}
.imageblock.left,.imageblock[style*="float: left"]{margin:.25em .625em 1.25em 0}
.imageblock.right,.imageblock[style*="float: right"]{margin:.25em 0 1.25em .625em}
.imageblock>.title{margin-bottom:0}
.imageblock.thumb,.imageblock.th{border-width:6px}
.imageblock.thumb>.title,.imageblock.th>.title{padding:0 .125em}
.image.left,.image.right{margin-top:.25em;margin-bottom:.25em;display:inline-block;line-height:0}
.image.left{margin-right:.625em}
.image.right{margin-left:.625em}
a.image{text-decoration:none;display:inline-block}
a.image object{pointer-events:none}
sup.footnote,sup.footnoteref{font-size:.875em;position:static;vertical-align:super}
sup.footnote a,sup.footnoteref a{text-decoration:none}
sup.footnote a:active,sup.footnoteref a:active{text-decoration:underline}
#footnotes{padding-top:.75em;padding-bottom:.75em;margin-bottom:.625em}
#footnotes hr{width:20%;min-width:6.25em;margin:-.25em 0 .75em 0;border-width:1px 0 0 0}
#footnotes .footnote{padding:0 .375em 0 .225em;line-height:1.3334;font-size:.875em;margin-left:1.2em;text-indent:-1.05em;margin-bottom:.2em}
#footnotes .footnote a:first-of-type{font-weight:bold;text-decoration:none}
#footnotes .footnote:last-of-type{margin-bottom:0}
#content #footnotes{margin-top:-.625em;margin-bottom:0;padding:.75em 0}
.gist .file-data>table{border:0;background:#fff;width:100%;margin-bottom:0}
.gist .file-data>table td.line-data{width:99%}
div.unbreakable{page-break-inside:avoid}
.big{font-size:larger}
.small{font-size:smaller}
.underline{text-decoration:underline}
.overline{text-decoration:overline}
.line-through{text-decoration:line-through}
.aqua{color:#00bfbf}
.aqua-background{background-color:#00fafa}
.black{color:#000}
.black-background{background-color:#000}
.blue{color:#0000bf}
.blue-background{background-color:#0000fa}
.fuchsia{color:#bf00bf}
.fuchsia-background{background-color:#fa00fa}
.gray{color:#606060}
.gray-background{background-color:#7d7d7d}
.green{color:#006000}
.green-background{background-color:#007d00}
.lime{color:#00bf00}
.lime-background{background-color:#00fa00}
.maroon{color:#600000}
.maroon-background{background-color:#7d0000}
.navy{color:#000060}
.navy-background{background-color:#00007d}
.olive{color:#606000}
.olive-background{background-color:#7d7d00}
.purple{color:#600060}
.purple-background{background-color:#7d007d}
.red{color:#bf0000}
.red-background{background-color:#fa0000}
.silver{color:#909090}
.silver-background{background-color:#bcbcbc}
.teal{color:#006060}
.teal-background{background-color:#007d7d}
.white{color:#bfbfbf}
.white-background{background-color:#fafafa}
.yellow{color:#bfbf00}
.yellow-background{background-color:#fafa00}
span.icon>.fa{cursor:default}
.admonitionblock td.icon [class^="fa icon-"]{font-size:2.5em;text-shadow:1px 1px 2px rgba(0,0,0,.5);cursor:default}
.admonitionblock td.icon .icon-note:before{content:"\f05a";color:#19407c}
.admonitionblock td.icon .icon-tip:before{content:"\f0eb";text-shadow:1px 1px 2px rgba(155,155,0,.8);color:#111}
.admonitionblock td.icon .icon-warning:before{content:"\f071";color:#bf6900}
.admonitionblock td.icon .icon-caution:before{content:"\f06d";color:#bf3400}
.admonitionblock td.icon .icon-important:before{content:"\f06a";color:#bf0000}
.conum[data-value]{display:inline-block;color:#fff!important;background-color:rgba(0,0,0,.8);-webkit-border-radius:100px;border-radius:100px;text-align:center;font-size:.75em;width:1.67em;height:1.67em;line-height:1.67em;font-family:"Open Sans","DejaVu Sans",sans-serif;font-style:normal;font-weight:bold}
.conum[data-value] *{color:#fff!important}
.conum[data-value]+b{display:none}
.conum[data-value]:after{content:attr(data-value)}
pre .conum[data-value]{position:relative;top:-.125em}
b.conum *{color:inherit!important}
.conum:not([data-value]):empty{display:none}
dt,th.tableblock,td.content,div.footnote{text-rendering:optimizeLegibility}
h1,h2,p,td.content,span.alt{letter-spacing:-.01em}
p strong,td.content strong,div.footnote strong{letter-spacing:-.005em}
p,blockquote,dt,td.content,span.alt{font-size:1.0625rem}
p{margin-bottom:1.25rem}
.sidebarblock p,.sidebarblock dt,.sidebarblock td.content,p.tableblock{font-size:1em}
.exampleblock>.content{background-color:#fffef7;border-color:#e0e0dc;-webkit-box-shadow:0 1px 4px #e0e0dc;box-shadow:0 1px 4px #e0e0dc}
.print-only{display:none!important}
@media print{@page{margin:1.25cm .75cm}
*{-webkit-box-shadow:none!important;box-shadow:none!important;text-shadow:none!important}
a{color:inherit!important;text-decoration:underline!important}
a.bare,a[href^="#"],a[href^="mailto:"]{text-decoration:none!important}
a[href^="http:"]:not(.bare):after,a[href^="https:"]:not(.bare):after{content:"(" attr(href) ")";display:inline-block;font-size:.875em;padding-left:.25em}
abbr[title]:after{content:" (" attr(title) ")"}
pre,blockquote,tr,img,object,svg{page-break-inside:avoid}
thead{display:table-header-group}
svg{max-width:100%}
p,blockquote,dt,td.content{font-size:1em;orphans:3;widows:3}
h2,h3,#toctitle,.sidebarblock>.content>.title{page-break-after:avoid}
#toc,.sidebarblock,.exampleblock>.content{background:none!important}
#toc{border-bottom:1px solid #ddddd8!important;padding-bottom:0!important}
.sect1{padding-bottom:0!important}
.sect1+.sect1{border:0!important}
#header>h1:first-child{margin-top:1.25rem}
body.book #header{text-align:center}
body.book #header>h1:first-child{border:0!important;margin:2.5em 0 1em 0}
body.book #header .details{border:0!important;display:block;padding:0!important}
body.book #header .details span:first-child{margin-left:0!important}
body.book #header .details br{display:block}
body.book #header .details br+span:before{content:none!important}
body.book #toc{border:0!important;text-align:left!important;padding:0!important;margin:0!important}
body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-break-before:always}
.listingblock code[data-lang]:before{display:block}
#footer{background:none!important;padding:0 .9375em}
#footer-text{color:rgba(0,0,0,.6)!important;font-size:.9em}
.hide-on-print{display:none!important}
.print-only{display:block!important}
.hide-for-print{display:none!important}
.show-for-print{display:inherit!important}}
</style>
<style>
.listingblock .pygments .hll { background-color: #ffffcc }
.listingblock .pygments { background: #f8f8f8; }
.listingblock .pygments .tok-c { color: #408080; font-style: italic } /* Comment */
.listingblock .pygments .tok-err { border: 1px solid #FF0000 } /* Error */
.listingblock .pygments .tok-k { color: #008000; font-weight: bold } /* Keyword */
.listingblock .pygments .tok-o { color: #666666 } /* Operator */
.listingblock .pygments .tok-ch { color: #408080; font-style: italic } /* Comment.Hashbang */
.listingblock .pygments .tok-cm { color: #408080; font-style: italic } /* Comment.Multiline */
.listingblock .pygments .tok-cp { color: #BC7A00 } /* Comment.Preproc */
.listingblock .pygments .tok-cpf { color: #408080; font-style: italic } /* Comment.PreprocFile */
.listingblock .pygments .tok-c1 { color: #408080; font-style: italic } /* Comment.Single */
.listingblock .pygments .tok-cs { color: #408080; font-style: italic } /* Comment.Special */
.listingblock .pygments .tok-gd { color: #A00000 } /* Generic.Deleted */
.listingblock .pygments .tok-ge { font-style: italic } /* Generic.Emph */
.listingblock .pygments .tok-gr { color: #FF0000 } /* Generic.Error */
.listingblock .pygments .tok-gh { color: #000080; font-weight: bold } /* Generic.Heading */
.listingblock .pygments .tok-gi { color: #00A000 } /* Generic.Inserted */
.listingblock .pygments .tok-go { color: #888888 } /* Generic.Output */
.listingblock .pygments .tok-gp { color: #000080; font-weight: bold } /* Generic.Prompt */
.listingblock .pygments .tok-gs { font-weight: bold } /* Generic.Strong */
.listingblock .pygments .tok-gu { color: #800080; font-weight: bold } /* Generic.Subheading */
.listingblock .pygments .tok-gt { color: #0044DD } /* Generic.Traceback */
.listingblock .pygments .tok-kc { color: #008000; font-weight: bold } /* Keyword.Constant */
.listingblock .pygments .tok-kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
.listingblock .pygments .tok-kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
.listingblock .pygments .tok-kp { color: #008000 } /* Keyword.Pseudo */
.listingblock .pygments .tok-kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
.listingblock .pygments .tok-kt { color: #B00040 } /* Keyword.Type */
.listingblock .pygments .tok-m { color: #666666 } /* Literal.Number */
.listingblock .pygments .tok-s { color: #BA2121 } /* Literal.String */
.listingblock .pygments .tok-na { color: #7D9029 } /* Name.Attribute */
.listingblock .pygments .tok-nb { color: #008000 } /* Name.Builtin */
.listingblock .pygments .tok-nc { color: #0000FF; font-weight: bold } /* Name.Class */
.listingblock .pygments .tok-no { color: #880000 } /* Name.Constant */
.listingblock .pygments .tok-nd { color: #AA22FF } /* Name.Decorator */
.listingblock .pygments .tok-ni { color: #999999; font-weight: bold } /* Name.Entity */
.listingblock .pygments .tok-ne { color: #D2413A; font-weight: bold } /* Name.Exception */
.listingblock .pygments .tok-nf { color: #0000FF } /* Name.Function */
.listingblock .pygments .tok-nl { color: #A0A000 } /* Name.Label */
.listingblock .pygments .tok-nn { color: #0000FF; font-weight: bold } /* Name.Namespace */
.listingblock .pygments .tok-nt { color: #008000; font-weight: bold } /* Name.Tag */
.listingblock .pygments .tok-nv { color: #19177C } /* Name.Variable */
.listingblock .pygments .tok-ow { color: #AA22FF; font-weight: bold } /* Operator.Word */
.listingblock .pygments .tok-w { color: #bbbbbb } /* Text.Whitespace */
.listingblock .pygments .tok-mb { color: #666666 } /* Literal.Number.Bin */
.listingblock .pygments .tok-mf { color: #666666 } /* Literal.Number.Float */
.listingblock .pygments .tok-mh { color: #666666 } /* Literal.Number.Hex */
.listingblock .pygments .tok-mi { color: #666666 } /* Literal.Number.Integer */
.listingblock .pygments .tok-mo { color: #666666 } /* Literal.Number.Oct */
.listingblock .pygments .tok-sa { color: #BA2121 } /* Literal.String.Affix */
.listingblock .pygments .tok-sb { color: #BA2121 } /* Literal.String.Backtick */
.listingblock .pygments .tok-sc { color: #BA2121 } /* Literal.String.Char */
.listingblock .pygments .tok-dl { color: #BA2121 } /* Literal.String.Delimiter */
.listingblock .pygments .tok-sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
.listingblock .pygments .tok-s2 { color: #BA2121 } /* Literal.String.Double */
.listingblock .pygments .tok-se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */
.listingblock .pygments .tok-sh { color: #BA2121 } /* Literal.String.Heredoc */
.listingblock .pygments .tok-si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */
.listingblock .pygments .tok-sx { color: #008000 } /* Literal.String.Other */
.listingblock .pygments .tok-sr { color: #BB6688 } /* Literal.String.Regex */
.listingblock .pygments .tok-s1 { color: #BA2121 } /* Literal.String.Single */
.listingblock .pygments .tok-ss { color: #19177C } /* Literal.String.Symbol */
.listingblock .pygments .tok-bp { color: #008000 } /* Name.Builtin.Pseudo */
.listingblock .pygments .tok-fm { color: #0000FF } /* Name.Function.Magic */
.listingblock .pygments .tok-vc { color: #19177C } /* Name.Variable.Class */
.listingblock .pygments .tok-vg { color: #19177C } /* Name.Variable.Global */
.listingblock .pygments .tok-vi { color: #19177C } /* Name.Variable.Instance */
.listingblock .pygments .tok-vm { color: #19177C } /* Name.Variable.Magic */
.listingblock .pygments .tok-il { color: #666666 } /* Literal.Number.Integer.Long */
</style>
</head>
<body class="article toc2 toc-left">
<div id="header">
<h1>DCA0445: Processamento Digital de Imagens</h1>
<div class="details">
<span id="author" class="author">Joelson Rocha</span><br>
<span id="email" class="email"><a href="mailto:[email protected]">[email protected]</a></span><br>
</div>
<div id="toc" class="toc2">
<div id="toctitle">Table of Contents</div>
<ul class="sectlevel1">
<li><a href="#_introdução">Introdução</a></li>
<li><a href="#_1_unidade_i">1. Unidade I</a>
<ul class="sectlevel2">
<li><a href="#_1_1_invertendo_cores_de_uma_região">1.1 Invertendo cores de uma região</a></li>
<li><a href="#_1_2_invertendo_quadrantes_de_uma_imagem">1.2 Invertendo quadrantes de uma imagem</a></li>
<li><a href="#_1_3_rotulando_e_realizando_contagem_de_objetos_pertencentes_a_uma_imagem">1.3 Rotulando e realizando contagem de objetos pertencentes a uma imagem</a></li>
<li><a href="#_1_4_equalizador_de_histograma">1.4 Equalizador de histograma</a></li>
<li><a href="#_1_5_motion_detector">1.5 Motion detector</a></li>
<li><a href="#_1_6_filtro_espacial_modificado">1.6 Filtro Espacial modificado</a></li>
<li><a href="#_1_7_tiltshift">1.7 TiltShift</a></li>
</ul>
</li>
<li><a href="#_2_unidade_ii">2. Unidade II</a>
<ul class="sectlevel2">
<li><a href="#_2_1_filtro_homomórfico">2.1 Filtro Homomórfico</a></li>
<li><a href="#_2_2_pontilhismo_e_algorítmo_de_canny">2.2 Pontilhismo e algorítmo de Canny</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_introdução">Introdução</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Este espaço tem como objetivo documentar as atividades realizadas, com auxílio da biblioteca de visão artifical OpenCV, e propostas pelo professor Agostinho Medeiros Brito Júnior durante a disciplina de Processamento Digital de Imagens. Aqui são compartilhados os enunciados de cada atividade, suas fundamentações teóricas, a solução comentada e implementada, bem como a saída em terminal UNIX.</p>
</div>
<div class="paragraph">
<p>Os códigos foram desenvolvidos na linguagem de programação C++.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_1_unidade_i">1. Unidade I</h2>
<div class="sectionbody">
<div class="paragraph">
<div class="title">Imagens utilizadas:</div>
<p><span class="image"><img src="./figures/biel.png" alt="biel"></span>
<span class="image"><img src="./figures/bolhas.png" alt="role=right"></span></p>
</div>
<div class="sect2">
<h3 id="_1_1_invertendo_cores_de_uma_região">1.1 Invertendo cores de uma região</h3>
<div class="paragraph">
<p>O programa <a href="PDI/regions.cpp">regions.cpp</a> é capaz de receber como entrada dois pontos (\$P_{1}\$ e \$P_{2}\$) que compõem um retângulo de vértices opostos. Essa região, em efeito negativo, é criada.</p>
</div>
<div id="exa_hello" class="listingblock">
<div class="title">regions.cpp</div>
<div class="content">
<pre class="pygments highlight"><code data-lang="cpp"><span class="tok-cp">#include</span> <span class="tok-cpf"><iostream></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><opencv2/opencv.hpp></span><span class="tok-cp"></span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">cv</span><span class="tok-p">;</span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">std</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-nf">main</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">argc</span><span class="tok-p">,</span> <span class="tok-kt">char</span> <span class="tok-k">const</span> <span class="tok-o">*</span><span class="tok-n">argv</span><span class="tok-p">[])</span>
<span class="tok-p">{</span>
<span class="tok-n">Mat</span> <span class="tok-n">image</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">P1_X</span><span class="tok-p">,</span><span class="tok-n">P1_Y</span><span class="tok-p">,</span><span class="tok-n">P2_X</span><span class="tok-p">,</span><span class="tok-n">P2_Y</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-p">,</span><span class="tok-n">aux_x</span><span class="tok-p">,</span><span class="tok-n">aux_y</span><span class="tok-p">;</span>
<span class="tok-n">image</span><span class="tok-o">=</span><span class="tok-n">imread</span><span class="tok-p">(</span><span class="tok-s">"biel.png"</span><span class="tok-p">,</span><span class="tok-n">CV_LOAD_IMAGE_GRAYSCALE</span><span class="tok-p">);</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-o">!</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">data</span><span class="tok-p">){</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"nao abriu biel.png"</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-n">Size</span> <span class="tok-n">tamanho</span> <span class="tok-o">=</span> <span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">size</span><span class="tok-p">();</span>
<span class="tok-n">namedWindow</span><span class="tok-p">(</span><span class="tok-s">"janela"</span><span class="tok-p">,</span><span class="tok-n">WINDOW_AUTOSIZE</span><span class="tok-p">);</span>
<span class="tok-n">altura</span> <span class="tok-o">=</span> <span class="tok-n">tamanho</span><span class="tok-p">.</span><span class="tok-n">height</span><span class="tok-p">;</span>
<span class="tok-n">largura</span> <span class="tok-o">=</span> <span class="tok-n">tamanho</span><span class="tok-p">.</span><span class="tok-n">width</span><span class="tok-p">;</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"ALTURA: "</span><span class="tok-o"><<</span> <span class="tok-n">altura</span><span class="tok-o"><<</span><span class="tok-s">" LARGURA: "</span> <span class="tok-o"><<</span> <span class="tok-n">largura</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"Digite as coordenadas (x,y) do primeiro ponto:"</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cin</span> <span class="tok-o">>></span><span class="tok-n">P1_X</span><span class="tok-p">;</span>
<span class="tok-n">cin</span><span class="tok-o">>></span><span class="tok-n">P1_Y</span><span class="tok-p">;</span>
<span class="tok-k">if</span> <span class="tok-p">(</span><span class="tok-n">P1_X</span> <span class="tok-o">></span> <span class="tok-n">altura</span> <span class="tok-n">or</span> <span class="tok-n">P1_Y</span> <span class="tok-o">></span><span class="tok-n">altura</span><span class="tok-p">)</span>
<span class="tok-p">{</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"Por favor, redigite as coordenadas (x,y) do primeiro ponto:"</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cin</span><span class="tok-o">>></span><span class="tok-n">P1_X</span><span class="tok-p">;</span>
<span class="tok-n">cin</span><span class="tok-o">>></span><span class="tok-n">P1_Y</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"Digite as coordenadas (x,y) do segundo ponto :"</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cin</span> <span class="tok-o">>></span><span class="tok-n">P2_X</span><span class="tok-p">;</span>
<span class="tok-n">cin</span><span class="tok-o">>></span><span class="tok-n">P2_Y</span><span class="tok-p">;</span>
<span class="tok-k">if</span> <span class="tok-p">(</span><span class="tok-n">P2_X</span> <span class="tok-o">></span> <span class="tok-n">largura</span> <span class="tok-n">or</span> <span class="tok-n">P2_Y</span> <span class="tok-o">></span> <span class="tok-n">largura</span><span class="tok-p">)</span>
<span class="tok-p">{</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"Por favor, redigite as coordenadas (x,y) do segundo ponto:"</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cin</span><span class="tok-o">>></span><span class="tok-n">P2_X</span><span class="tok-p">;</span>
<span class="tok-n">cin</span><span class="tok-o">>></span><span class="tok-n">P2_Y</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-c1">//teste sobre os valores de p1 e p2</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">P1_X</span> <span class="tok-o"><</span> <span class="tok-n">P2_X</span> <span class="tok-n">and</span> <span class="tok-n">P1_Y</span> <span class="tok-o"><</span><span class="tok-n">P2_Y</span><span class="tok-p">){</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span> <span class="tok-n">P1_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o"><=</span><span class="tok-n">P2_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-k">for</span> <span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">j</span><span class="tok-o">=</span><span class="tok-n">P1_Y</span><span class="tok-p">;</span><span class="tok-n">j</span><span class="tok-o"><=</span><span class="tok-n">P2_Y</span><span class="tok-p">;</span><span class="tok-o">++</span><span class="tok-n">j</span><span class="tok-p">){</span>
<span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">)</span><span class="tok-o">=</span><span class="tok-mi">255</span><span class="tok-o">-</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"janela"</span><span class="tok-p">,</span><span class="tok-n">image</span><span class="tok-p">);</span>
<span class="tok-n">waitKey</span><span class="tok-p">();</span>
<span class="tok-p">}</span>
<span class="tok-k">else</span> <span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">P1_X</span> <span class="tok-o">></span> <span class="tok-n">P2_X</span> <span class="tok-n">and</span> <span class="tok-n">P1_Y</span> <span class="tok-o"><</span><span class="tok-n">P2_Y</span><span class="tok-p">){</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span> <span class="tok-n">P2_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o"><=</span><span class="tok-n">P1_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-k">for</span> <span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">j</span><span class="tok-o">=</span><span class="tok-n">P1_Y</span><span class="tok-p">;</span><span class="tok-n">j</span><span class="tok-o"><=</span><span class="tok-n">P2_Y</span><span class="tok-p">;</span><span class="tok-o">++</span><span class="tok-n">j</span><span class="tok-p">){</span>
<span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">)</span><span class="tok-o">=</span><span class="tok-mi">255</span><span class="tok-o">-</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"janela"</span><span class="tok-p">,</span><span class="tok-n">image</span><span class="tok-p">);</span>
<span class="tok-n">waitKey</span><span class="tok-p">();</span>
<span class="tok-p">}</span>
<span class="tok-c1">//testes que requerem atualizacao</span>
<span class="tok-k">else</span> <span class="tok-k">if</span> <span class="tok-p">(</span><span class="tok-n">P1_X</span> <span class="tok-o"><</span> <span class="tok-n">P2_X</span> <span class="tok-n">and</span> <span class="tok-n">P1_Y</span> <span class="tok-o">></span> <span class="tok-n">P2_Y</span><span class="tok-p">){</span>
<span class="tok-n">aux_x</span><span class="tok-o">=</span><span class="tok-n">P1_X</span><span class="tok-p">;</span>
<span class="tok-n">P1_X</span><span class="tok-o">=</span><span class="tok-n">P2_X</span><span class="tok-p">;</span>
<span class="tok-n">P2_X</span><span class="tok-o">=</span><span class="tok-n">aux_x</span><span class="tok-p">;</span>
<span class="tok-n">aux_y</span><span class="tok-o">=</span><span class="tok-n">P1_Y</span><span class="tok-p">;</span>
<span class="tok-n">P1_Y</span><span class="tok-o">=</span><span class="tok-n">P2_Y</span><span class="tok-p">;</span>
<span class="tok-n">P2_Y</span><span class="tok-o">=</span><span class="tok-n">aux_y</span><span class="tok-p">;</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span> <span class="tok-n">P2_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o"><=</span><span class="tok-n">P1_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-k">for</span> <span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">j</span><span class="tok-o">=</span><span class="tok-n">P1_Y</span><span class="tok-p">;</span><span class="tok-n">j</span><span class="tok-o"><=</span><span class="tok-n">P2_Y</span><span class="tok-p">;</span><span class="tok-o">++</span><span class="tok-n">j</span><span class="tok-p">){</span>
<span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">)</span><span class="tok-o">=</span><span class="tok-mi">255</span><span class="tok-o">-</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"janela"</span><span class="tok-p">,</span><span class="tok-n">image</span><span class="tok-p">);</span>
<span class="tok-n">waitKey</span><span class="tok-p">();</span>
<span class="tok-p">}</span>
<span class="tok-k">else</span> <span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">P1_X</span> <span class="tok-o">></span> <span class="tok-n">P2_X</span> <span class="tok-n">and</span> <span class="tok-n">P1_Y</span> <span class="tok-o">></span><span class="tok-n">P2_Y</span><span class="tok-p">){</span>
<span class="tok-n">aux_x</span><span class="tok-o">=</span><span class="tok-n">P1_X</span><span class="tok-p">;</span>
<span class="tok-n">P1_X</span><span class="tok-o">=</span><span class="tok-n">P2_X</span><span class="tok-p">;</span>
<span class="tok-n">P2_X</span><span class="tok-o">=</span><span class="tok-n">aux_x</span><span class="tok-p">;</span>
<span class="tok-n">aux_y</span><span class="tok-o">=</span><span class="tok-n">P1_Y</span><span class="tok-p">;</span>
<span class="tok-n">P1_Y</span><span class="tok-o">=</span><span class="tok-n">P2_Y</span><span class="tok-p">;</span>
<span class="tok-n">P2_Y</span><span class="tok-o">=</span><span class="tok-n">aux_y</span><span class="tok-p">;</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span> <span class="tok-n">P1_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o"><=</span><span class="tok-n">P2_X</span><span class="tok-p">;</span><span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-k">for</span> <span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">j</span><span class="tok-o">=</span><span class="tok-n">P1_Y</span><span class="tok-p">;</span><span class="tok-n">j</span><span class="tok-o"><=</span><span class="tok-n">P2_Y</span><span class="tok-p">;</span><span class="tok-o">++</span><span class="tok-n">j</span><span class="tok-p">){</span>
<span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">)</span><span class="tok-o">=</span><span class="tok-mi">255</span><span class="tok-o">-</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"image"</span><span class="tok-p">,</span><span class="tok-n">image</span><span class="tok-p">);</span>
<span class="tok-n">waitKey</span><span class="tok-p">();</span>
<span class="tok-p">}</span>
<span class="tok-k">else</span><span class="tok-p">{</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"Infelizmente voce nao escolheu pontos em vertices opostos."</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-p">}</span><span class="tok-k">return</span> <span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-p">}</span></code></pre>
</div>
</div>
<div class="paragraph">
<div class="title">Antes e depois:</div>
<p><span class="image"><img src="./figures/biel.png" alt="biel"></span>
<span class="image"><img src="./figures/regions.png" alt="role=right"></span></p>
</div>
</div>
<div class="sect2">
<h3 id="_1_2_invertendo_quadrantes_de_uma_imagem">1.2 Invertendo quadrantes de uma imagem</h3>
<div class="paragraph">
<p>O programa <a href="PDI/trocaregioes.cpp">trocaregioes.cpp</a> é capaz de dividir a imagem em quatro partes e inverter seus quadrantes em diagonal.</p>
</div>
<div id="exa" class="listingblock">
<div class="title">trocaregioes.cpp</div>
<div class="content">
<pre class="pygments highlight"><code data-lang="cpp"><span class="tok-cp">#include</span> <span class="tok-cpf"><iostream></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><opencv2/opencv.hpp></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><highgui.h></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><cv.h></span><span class="tok-cp"></span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">cv</span><span class="tok-p">;</span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">std</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-nf">main</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">argc</span><span class="tok-p">,</span> <span class="tok-kt">char</span> <span class="tok-k">const</span> <span class="tok-o">*</span><span class="tok-n">argv</span><span class="tok-p">[])</span>
<span class="tok-p">{</span>
<span class="tok-n">Mat</span> <span class="tok-n">image</span> <span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">altura</span><span class="tok-p">,</span> <span class="tok-n">largura</span><span class="tok-p">;</span>
<span class="tok-n">image</span><span class="tok-o">=</span><span class="tok-n">imread</span><span class="tok-p">(</span><span class="tok-s">"biel.png"</span><span class="tok-p">,</span><span class="tok-n">CV_LOAD_IMAGE_GRAYSCALE</span><span class="tok-p">);</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-o">!</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">data</span><span class="tok-p">){</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"nao abriu biel.png"</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-n">altura</span> <span class="tok-o">=</span> <span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">rows</span><span class="tok-p">;</span>
<span class="tok-n">largura</span> <span class="tok-o">=</span> <span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">cols</span><span class="tok-p">;</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"ALTURA: "</span><span class="tok-o"><<</span> <span class="tok-n">altura</span><span class="tok-o"><<</span><span class="tok-s">" LARGURA: "</span> <span class="tok-o"><<</span> <span class="tok-n">largura</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-c1">//salvando trechos da imagem antiga em 4 matrizes diferentes.</span>
<span class="tok-n">Mat</span> <span class="tok-n">imagem_final</span><span class="tok-p">(</span><span class="tok-n">altura</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-p">,</span><span class="tok-n">DataType</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">>::</span><span class="tok-n">type</span><span class="tok-p">);</span>
<span class="tok-n">Mat</span> <span class="tok-n">A</span> <span class="tok-o">=</span> <span class="tok-n">image</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">));</span>
<span class="tok-n">Mat</span> <span class="tok-n">B</span> <span class="tok-o">=</span> <span class="tok-n">image</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">));</span>
<span class="tok-n">Mat</span> <span class="tok-n">C</span> <span class="tok-o">=</span> <span class="tok-n">image</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">));</span>
<span class="tok-n">Mat</span> <span class="tok-n">D</span> <span class="tok-o">=</span> <span class="tok-n">image</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">));</span>
<span class="tok-c1">//redistribuindo as partes copiadas da matriz antiga (foto origina) nos quadrantes da imagem final.</span>
<span class="tok-n">A</span><span class="tok-p">.</span><span class="tok-n">copyTo</span><span class="tok-p">(</span><span class="tok-n">imagem_final</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">)));</span>
<span class="tok-n">B</span><span class="tok-p">.</span><span class="tok-n">copyTo</span><span class="tok-p">(</span><span class="tok-n">imagem_final</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">)));</span>
<span class="tok-n">C</span><span class="tok-p">.</span><span class="tok-n">copyTo</span><span class="tok-p">(</span><span class="tok-n">imagem_final</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">)));</span>
<span class="tok-n">D</span><span class="tok-p">.</span><span class="tok-n">copyTo</span><span class="tok-p">(</span><span class="tok-n">imagem_final</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">altura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">,</span><span class="tok-n">largura</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">)));</span>
<span class="tok-c1">//Criando a janela de exibição entitulada de janela_final</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"janela_final"</span><span class="tok-p">,</span><span class="tok-n">imagem_final</span><span class="tok-p">);</span>
<span class="tok-n">waitKey</span><span class="tok-p">();</span>
<span class="tok-k">return</span> <span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-p">}</span></code></pre>
</div>
</div>
<div class="paragraph">
<div class="title">Antes e depois:</div>
<p><span class="image"><img src="./figures/trocaregioesbefore.png" alt="trocaregioesbefore"></span>
<span class="image"><img src="./figures/trocaregioes.png" alt="role=right"></span></p>
</div>
</div>
<div class="sect2">
<h3 id="_1_3_rotulando_e_realizando_contagem_de_objetos_pertencentes_a_uma_imagem">1.3 Rotulando e realizando contagem de objetos pertencentes a uma imagem</h3>
<div class="paragraph">
<p>O objetivo dessa prática de programação foi aprimorar o programa <a href="PDI/labeling.cpp">labeling.cpp</a> ,previamento desenvolvido pelo professor Agostinho, da seguinte maneira: o algorítmo ignora objetos que estejam no limite da borda da figura e faz destinção de objetos com buracos em seu interior e objetos que não contenham buracos.</p>
</div>
<div class="paragraph">
<p>O programa <a href="PDI/labeling_aprimorado.cpp">labeling_aprimorado.cpp</a> foi desenvolvido e seu código segue abaixo, bem como seus resultados.</p>
</div>
<div id="exa1" class="listingblock">
<div class="title">labeling_aprimorado.cpp</div>
<div class="content">
<pre class="pygments highlight"><code data-lang="cpp"><span class="tok-cp">#include</span> <span class="tok-cpf"><iostream></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><opencv2/opencv.hpp></span><span class="tok-cp"></span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">cv</span><span class="tok-p">;</span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">std</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-nf">main</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">argc</span><span class="tok-p">,</span> <span class="tok-kt">char</span><span class="tok-o">**</span> <span class="tok-n">argv</span><span class="tok-p">){</span>
<span class="tok-n">Mat</span> <span class="tok-n">image</span><span class="tok-p">,</span> <span class="tok-n">mask</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">width</span><span class="tok-p">,</span> <span class="tok-n">height</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">nobjects</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">nobjectscomburaco</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-n">tonNpossuiBuraco</span><span class="tok-o">=</span><span class="tok-mi">150</span><span class="tok-p">,</span><span class="tok-n">tonPossuiBuraco</span><span class="tok-o">=</span><span class="tok-mi">80</span><span class="tok-p">;</span>
<span class="tok-n">CvPoint</span> <span class="tok-n">p</span><span class="tok-p">;</span>
<span class="tok-n">image</span> <span class="tok-o">=</span> <span class="tok-n">imread</span><span class="tok-p">(</span><span class="tok-n">argv</span><span class="tok-p">[</span><span class="tok-mi">1</span><span class="tok-p">],</span><span class="tok-n">CV_LOAD_IMAGE_GRAYSCALE</span><span class="tok-p">);</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-o">!</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">data</span><span class="tok-p">){</span>
<span class="tok-n">std</span><span class="tok-o">::</span><span class="tok-n">cout</span> <span class="tok-o"><<</span> <span class="tok-s">"imagem nao carregou corretamente</span><span class="tok-se">\n</span><span class="tok-s">"</span><span class="tok-p">;</span>
<span class="tok-k">return</span><span class="tok-p">(</span><span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-n">width</span><span class="tok-o">=</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">size</span><span class="tok-p">().</span><span class="tok-n">width</span><span class="tok-p">;</span>
<span class="tok-n">height</span><span class="tok-o">=</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">size</span><span class="tok-p">().</span><span class="tok-n">height</span><span class="tok-p">;</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">x</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">y</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-c1">//criando a margem de 1 pixel em tom 255 (branco)</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">x</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span><span class="tok-n">x</span><span class="tok-o"><</span><span class="tok-n">height</span><span class="tok-p">;</span><span class="tok-o">++</span><span class="tok-n">x</span><span class="tok-p">){</span>
<span class="tok-k">for</span> <span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">y</span> <span class="tok-o">=</span> <span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">y</span> <span class="tok-o"><</span> <span class="tok-n">width</span><span class="tok-p">;</span> <span class="tok-o">++</span><span class="tok-n">y</span><span class="tok-p">)</span>
<span class="tok-p">{</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">x</span><span class="tok-o">==</span><span class="tok-mi">0</span> <span class="tok-o">||</span> <span class="tok-n">x</span><span class="tok-o">==</span> <span class="tok-n">height</span><span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">){</span>
<span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">x</span><span class="tok-p">,</span><span class="tok-n">y</span><span class="tok-p">)</span><span class="tok-o">=</span><span class="tok-mi">255</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-k">else</span> <span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">y</span><span class="tok-o">==</span><span class="tok-mi">0</span> <span class="tok-o">||</span> <span class="tok-n">y</span><span class="tok-o">==</span><span class="tok-n">width</span><span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">){</span>
<span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">x</span><span class="tok-p">,</span><span class="tok-n">y</span><span class="tok-p">)</span><span class="tok-o">=</span><span class="tok-mi">255</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-c1">//Tira todas as bolhas que tocam a margem criada e a mesma</span>
<span class="tok-n">floodFill</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span><span class="tok-n">p</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">);</span>
<span class="tok-c1">//Cria o plano de fundo com valor diferente do aplicado aos buracos das bolhas</span>
<span class="tok-n">floodFill</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span><span class="tok-n">p</span><span class="tok-p">,</span><span class="tok-mi">1</span><span class="tok-p">);</span>
<span class="tok-c1">// busca e rotulação dos objetos presentes na imagem, assumindo que todos não tem buraco</span>
<span class="tok-n">nobjects</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o"><</span><span class="tok-n">height</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">j</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">j</span><span class="tok-o"><</span><span class="tok-n">width</span><span class="tok-p">;</span> <span class="tok-n">j</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span><span class="tok-n">j</span><span class="tok-p">)</span> <span class="tok-o">==</span> <span class="tok-mi">255</span><span class="tok-p">){</span>
<span class="tok-c1">// achou um objeto</span>
<span class="tok-n">nobjects</span><span class="tok-o">++</span><span class="tok-p">;</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">x</span><span class="tok-o">=</span><span class="tok-n">j</span><span class="tok-p">;</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">y</span><span class="tok-o">=</span><span class="tok-n">i</span><span class="tok-p">;</span>
<span class="tok-n">floodFill</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span><span class="tok-n">p</span><span class="tok-p">,</span><span class="tok-n">tonNpossuiBuraco</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-c1">//busca objetvos com buraco, dentro do universo dos objetos que foram encontrados e rotulados antes</span>
<span class="tok-k">for</span> <span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">x</span> <span class="tok-o">=</span> <span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">x</span> <span class="tok-o"><</span> <span class="tok-n">height</span><span class="tok-p">;</span> <span class="tok-o">++</span><span class="tok-n">x</span><span class="tok-p">)</span>
<span class="tok-p">{</span>
<span class="tok-k">for</span> <span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">y</span> <span class="tok-o">=</span> <span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">y</span> <span class="tok-o"><</span> <span class="tok-n">width</span><span class="tok-p">;</span> <span class="tok-o">++</span><span class="tok-n">y</span><span class="tok-p">)</span>
<span class="tok-p">{</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">x</span><span class="tok-p">,</span><span class="tok-n">y</span><span class="tok-p">)</span><span class="tok-o">==</span> <span class="tok-n">tonNpossuiBuraco</span> <span class="tok-o">||</span> <span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">x</span><span class="tok-p">,</span><span class="tok-n">y</span><span class="tok-p">)</span><span class="tok-o">==</span> <span class="tok-n">tonPossuiBuraco</span><span class="tok-p">){</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">x</span><span class="tok-o">=</span><span class="tok-n">y</span><span class="tok-p">;</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">y</span><span class="tok-o">=</span><span class="tok-n">x</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-k">else</span> <span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">x</span><span class="tok-p">,</span><span class="tok-n">y</span><span class="tok-p">)</span><span class="tok-o">==</span><span class="tok-mi">0</span><span class="tok-p">){</span>
<span class="tok-k">if</span> <span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-n">uchar</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">y</span><span class="tok-p">,</span><span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">x</span><span class="tok-p">)</span><span class="tok-o">==</span><span class="tok-n">tonNpossuiBuraco</span><span class="tok-p">)</span>
<span class="tok-p">{</span>
<span class="tok-n">floodFill</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span><span class="tok-n">p</span><span class="tok-p">,</span><span class="tok-n">tonPossuiBuraco</span><span class="tok-p">);</span>
<span class="tok-n">nobjectscomburaco</span><span class="tok-o">++</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">x</span><span class="tok-o">=</span><span class="tok-n">y</span><span class="tok-p">;</span>
<span class="tok-n">p</span><span class="tok-p">.</span><span class="tok-n">y</span><span class="tok-o">=</span><span class="tok-n">x</span><span class="tok-p">;</span>
<span class="tok-n">floodFill</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span><span class="tok-n">p</span><span class="tok-p">,</span><span class="tok-n">tonPossuiBuraco</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-p">}</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"Elementos sem buraco(s): "</span><span class="tok-o"><<</span><span class="tok-p">(</span><span class="tok-n">nobjects</span><span class="tok-o">-</span><span class="tok-n">nobjectscomburaco</span><span class="tok-p">)</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cout</span><span class="tok-o"><<</span><span class="tok-s">"Elementos com buraco(s):"</span> <span class="tok-o"><<</span> <span class="tok-n">nobjectscomburaco</span><span class="tok-o"><<</span><span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"image"</span><span class="tok-p">,</span> <span class="tok-n">image</span><span class="tok-p">);</span>
<span class="tok-n">imwrite</span><span class="tok-p">(</span><span class="tok-s">"labeling.png"</span><span class="tok-p">,</span> <span class="tok-n">image</span><span class="tok-p">);</span>
<span class="tok-n">waitKey</span><span class="tok-p">();</span>
<span class="tok-k">return</span> <span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-p">}</span></code></pre>
</div>
</div>
<div class="paragraph">
<div class="title">Antes e depois</div>
<p><span class="image"><img src="./figures/bolhas.png" alt="bolhas"></span>
<span class="image"><img src="./figures/labeling.png" alt="role=right"></span></p>
</div>
<div class="paragraph">
<div class="title">Saída do terminal</div>
<p><span class="image"><img src="./figures/terminal_labeling.png" alt="role=right"></span></p>
</div>
</div>
<div class="sect2">
<h3 id="_1_4_equalizador_de_histograma">1.4 Equalizador de histograma</h3>
<div class="paragraph">
<p>Para a implementação do <a href="PDI/equalizeHist.cpp">EqualizeHist.cpp</a> utilizou-se como programa-base o arquivo <a href="PDI/histogram.cpp">histogram.cpp</a> e a função equalizeHist, possibilitando a redistribuição dos tons de cinza da imagem, a fim de torná-los sua distribuição mais uniforme.</p>
</div>
<div class="listingblock">
<div class="title">equalizeHist.cpp</div>
<div class="content">
<pre class="pygments highlight"><code data-lang="cpp"><span class="tok-cp">#include</span> <span class="tok-cpf"><iostream></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><opencv2/opencv.hpp></span><span class="tok-cp"></span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">cv</span><span class="tok-p">;</span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">std</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-nf">main</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">argc</span><span class="tok-p">,</span> <span class="tok-kt">char</span><span class="tok-o">**</span> <span class="tok-n">argv</span><span class="tok-p">){</span>
<span class="tok-n">Mat</span> <span class="tok-n">image</span><span class="tok-p">,</span><span class="tok-n">imagegray</span><span class="tok-p">,</span><span class="tok-n">copia</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">width</span><span class="tok-p">,</span> <span class="tok-n">height</span><span class="tok-p">;</span>
<span class="tok-n">VideoCapture</span> <span class="tok-n">cap</span><span class="tok-p">;</span>
<span class="tok-n">Mat</span> <span class="tok-n">hist</span><span class="tok-p">,</span><span class="tok-n">hist2</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">nbins</span> <span class="tok-o">=</span> <span class="tok-mi">128</span><span class="tok-p">;</span>
<span class="tok-kt">float</span> <span class="tok-n">range</span><span class="tok-p">[]</span> <span class="tok-o">=</span> <span class="tok-p">{</span><span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-mi">256</span><span class="tok-p">};</span>
<span class="tok-k">const</span> <span class="tok-kt">float</span> <span class="tok-o">*</span><span class="tok-n">histrange</span> <span class="tok-o">=</span> <span class="tok-p">{</span> <span class="tok-n">range</span> <span class="tok-p">};</span>
<span class="tok-kt">bool</span> <span class="tok-n">uniform</span> <span class="tok-o">=</span> <span class="tok-nb">true</span><span class="tok-p">;</span>
<span class="tok-kt">bool</span> <span class="tok-n">acummulate</span> <span class="tok-o">=</span> <span class="tok-nb">false</span><span class="tok-p">;</span>
<span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">open</span><span class="tok-p">(</span><span class="tok-mi">1</span><span class="tok-p">);</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-o">!</span><span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">isOpened</span><span class="tok-p">()){</span>
<span class="tok-n">cout</span> <span class="tok-o"><<</span> <span class="tok-s">"No camera "</span><span class="tok-p">;</span>
<span class="tok-k">return</span> <span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-n">width</span> <span class="tok-o">=</span> <span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">get</span><span class="tok-p">(</span><span class="tok-n">CV_CAP_PROP_FRAME_WIDTH</span><span class="tok-p">);</span>
<span class="tok-n">height</span> <span class="tok-o">=</span> <span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">get</span><span class="tok-p">(</span><span class="tok-n">CV_CAP_PROP_FRAME_HEIGHT</span><span class="tok-p">);</span>
<span class="tok-n">cout</span> <span class="tok-o"><<</span> <span class="tok-s">"largura = "</span> <span class="tok-o"><<</span> <span class="tok-n">width</span> <span class="tok-o"><<</span> <span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cout</span> <span class="tok-o"><<</span> <span class="tok-s">"altura = "</span> <span class="tok-o"><<</span> <span class="tok-n">height</span> <span class="tok-o"><<</span> <span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">histw</span> <span class="tok-o">=</span> <span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-n">histh</span> <span class="tok-o">=</span> <span class="tok-n">nbins</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">;</span>
<span class="tok-n">Mat</span> <span class="tok-n">histImg</span><span class="tok-p">(</span><span class="tok-n">histh</span><span class="tok-p">,</span> <span class="tok-n">histw</span><span class="tok-p">,</span> <span class="tok-n">CV_8UC1</span><span class="tok-p">,</span> <span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">));</span>
<span class="tok-n">Mat</span> <span class="tok-n">histImg2</span><span class="tok-p">(</span><span class="tok-n">histh</span><span class="tok-p">,</span> <span class="tok-n">histw</span><span class="tok-p">,</span> <span class="tok-n">CV_8UC1</span><span class="tok-p">,</span> <span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">));</span>
<span class="tok-k">while</span><span class="tok-p">(</span><span class="tok-mi">1</span><span class="tok-p">){</span>
<span class="tok-n">cap</span> <span class="tok-o">>></span> <span class="tok-n">image</span><span class="tok-p">;</span>
<span class="tok-n">cvtColor</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span><span class="tok-n">imagegray</span><span class="tok-p">,</span><span class="tok-n">CV_BGR2GRAY</span><span class="tok-p">);</span>
<span class="tok-n">equalizeHist</span><span class="tok-p">(</span><span class="tok-n">imagegray</span><span class="tok-p">,</span><span class="tok-n">copia</span><span class="tok-p">);</span>
<span class="tok-n">calcHist</span><span class="tok-p">(</span><span class="tok-o">&</span><span class="tok-n">imagegray</span><span class="tok-p">,</span> <span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-n">Mat</span><span class="tok-p">(),</span> <span class="tok-n">hist</span><span class="tok-p">,</span> <span class="tok-mi">1</span><span class="tok-p">,</span>
<span class="tok-o">&</span><span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-o">&</span><span class="tok-n">histrange</span><span class="tok-p">,</span>
<span class="tok-n">uniform</span><span class="tok-p">,</span> <span class="tok-n">acummulate</span><span class="tok-p">);</span>
<span class="tok-n">calcHist</span><span class="tok-p">(</span><span class="tok-o">&</span><span class="tok-n">copia</span><span class="tok-p">,</span> <span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-n">Mat</span><span class="tok-p">(),</span> <span class="tok-n">hist2</span><span class="tok-p">,</span> <span class="tok-mi">1</span><span class="tok-p">,</span>
<span class="tok-o">&</span><span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-o">&</span><span class="tok-n">histrange</span><span class="tok-p">,</span>
<span class="tok-n">uniform</span><span class="tok-p">,</span> <span class="tok-n">acummulate</span><span class="tok-p">);</span>
<span class="tok-n">normalize</span><span class="tok-p">(</span><span class="tok-n">hist</span><span class="tok-p">,</span> <span class="tok-n">hist</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-n">histImg</span><span class="tok-p">.</span><span class="tok-n">rows</span><span class="tok-p">,</span> <span class="tok-n">NORM_MINMAX</span><span class="tok-p">,</span> <span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-n">Mat</span><span class="tok-p">());</span>
<span class="tok-n">normalize</span><span class="tok-p">(</span><span class="tok-n">hist2</span><span class="tok-p">,</span> <span class="tok-n">hist2</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-n">histImg2</span><span class="tok-p">.</span><span class="tok-n">rows</span><span class="tok-p">,</span> <span class="tok-n">NORM_MINMAX</span><span class="tok-p">,</span> <span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-n">Mat</span><span class="tok-p">());</span>
<span class="tok-n">histImg</span><span class="tok-p">.</span><span class="tok-n">setTo</span><span class="tok-p">(</span><span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">));</span>
<span class="tok-n">histImg2</span><span class="tok-p">.</span><span class="tok-n">setTo</span><span class="tok-p">(</span><span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">));</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o"><</span><span class="tok-n">nbins</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-n">line</span><span class="tok-p">(</span><span class="tok-n">histImg</span><span class="tok-p">,</span>
<span class="tok-n">Point</span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-p">),</span>
<span class="tok-n">Point</span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-o">-</span><span class="tok-n">cvRound</span><span class="tok-p">(</span><span class="tok-n">hist</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-kt">float</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">))),</span>
<span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">128</span><span class="tok-p">),</span> <span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-mi">8</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o"><</span><span class="tok-n">nbins</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-n">line</span><span class="tok-p">(</span><span class="tok-n">histImg2</span><span class="tok-p">,</span>
<span class="tok-n">Point</span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-p">),</span>
<span class="tok-n">Point</span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-o">-</span><span class="tok-n">cvRound</span><span class="tok-p">(</span><span class="tok-n">hist2</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-kt">float</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">))),</span>
<span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">128</span><span class="tok-p">),</span> <span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-mi">8</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-n">histImg</span><span class="tok-p">.</span><span class="tok-n">copyTo</span><span class="tok-p">(</span><span class="tok-n">imagegray</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-mi">0</span> <span class="tok-p">,</span><span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-p">)));</span>
<span class="tok-n">histImg2</span><span class="tok-p">.</span><span class="tok-n">copyTo</span><span class="tok-p">(</span><span class="tok-n">copia</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-mi">0</span> <span class="tok-p">,</span><span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-p">)));</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"NoEqualHist"</span><span class="tok-p">,</span> <span class="tok-n">imagegray</span><span class="tok-p">);</span>
<span class="tok-n">imwrite</span><span class="tok-p">(</span><span class="tok-s">"noequalhist.png"</span><span class="tok-p">,</span><span class="tok-n">imagegray</span><span class="tok-p">);</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"equalizeHist"</span><span class="tok-p">,</span><span class="tok-n">copia</span><span class="tok-p">);</span>
<span class="tok-n">imwrite</span><span class="tok-p">(</span><span class="tok-s">"equalhist.png"</span><span class="tok-p">,</span> <span class="tok-n">copia</span><span class="tok-p">);</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">waitKey</span><span class="tok-p">(</span><span class="tok-mi">30</span><span class="tok-p">)</span> <span class="tok-o">>=</span> <span class="tok-mi">0</span><span class="tok-p">)</span> <span class="tok-k">break</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-k">return</span> <span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-p">}</span></code></pre>
</div>
</div>
<div class="paragraph">
<p>O programa equaliza uma imagem gerada a partir de uma webcam, a exibe em tempo real e ,ao ser finalizado, gera dois arquivos: <a href="figures/noequalhist.png">noequalhist.cpp</a>, imagem original, e <a href="figures/equalhist.png">equalhist.cpp</a>, imagem com seu histograma equalizado. Ambas são exibidas abaixo:</p>
</div>
<div class="paragraph">
<div class="title">Captura com histograma não equalizado</div>
<p><span class="image"><img src="./figures/noequalhist.png" alt="noequalhist"></span></p>
</div>
<div class="paragraph">
<div class="title">Imagem com histograma modificado</div>
<p><span class="image"><img src="./figures/equalhist.png" alt="equalhist"></span></p>
</div>
</div>
<div class="sect2">
<h3 id="_1_5_motion_detector">1.5 Motion detector</h3>
<div class="paragraph">
<p>Para a implementação do <a href="PDI/motiondetector.cpp">motiondetector.cpp</a> utilizou-se como programa-base o arquivo <a href="PDI/histogram.cpp">histogram.cpp</a>. A proposta para esse programa foi desenvolver um algorítmo que seja capaz de detectar movimentação à partir da diferença no histograma dos quadros capturados em tempo real por uma câmera.</p>
</div>
<div class="listingblock">
<div class="title">motiondetector.cpp</div>
<div class="content">
<pre class="pygments highlight"><code data-lang="cpp"><span class="tok-cp">#include</span> <span class="tok-cpf"><iostream></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><opencv2/opencv.hpp></span><span class="tok-cp"></span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">cv</span><span class="tok-p">;</span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">std</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-nf">main</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">argc</span><span class="tok-p">,</span> <span class="tok-kt">char</span><span class="tok-o">**</span> <span class="tok-n">argv</span><span class="tok-p">){</span>
<span class="tok-n">Mat</span> <span class="tok-n">image</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">width</span><span class="tok-p">,</span> <span class="tok-n">height</span><span class="tok-p">;</span>
<span class="tok-n">VideoCapture</span> <span class="tok-n">cap</span><span class="tok-p">;</span>
<span class="tok-n">vector</span><span class="tok-o"><</span><span class="tok-n">Mat</span><span class="tok-o">></span> <span class="tok-n">planes</span><span class="tok-p">;</span>
<span class="tok-n">Mat</span> <span class="tok-n">histR</span><span class="tok-p">,</span><span class="tok-n">histRef</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">nbins</span> <span class="tok-o">=</span> <span class="tok-mi">64</span><span class="tok-p">;</span>
<span class="tok-kt">float</span> <span class="tok-n">range</span><span class="tok-p">[]</span> <span class="tok-o">=</span> <span class="tok-p">{</span><span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-mi">256</span><span class="tok-p">};</span>
<span class="tok-k">const</span> <span class="tok-kt">float</span> <span class="tok-o">*</span><span class="tok-n">histrange</span> <span class="tok-o">=</span> <span class="tok-p">{</span> <span class="tok-n">range</span> <span class="tok-p">};</span>
<span class="tok-kt">bool</span> <span class="tok-n">uniform</span> <span class="tok-o">=</span> <span class="tok-nb">true</span><span class="tok-p">;</span>
<span class="tok-kt">bool</span> <span class="tok-n">acummulate</span> <span class="tok-o">=</span> <span class="tok-nb">false</span><span class="tok-p">;</span>
<span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">open</span><span class="tok-p">(</span><span class="tok-mi">1</span><span class="tok-p">);</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-o">!</span><span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">isOpened</span><span class="tok-p">()){</span>
<span class="tok-n">cout</span> <span class="tok-o"><<</span> <span class="tok-s">"cameras indisponiveis"</span><span class="tok-p">;</span>
<span class="tok-k">return</span> <span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-n">width</span> <span class="tok-o">=</span> <span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">get</span><span class="tok-p">(</span><span class="tok-n">CV_CAP_PROP_FRAME_WIDTH</span><span class="tok-p">);</span>
<span class="tok-n">height</span> <span class="tok-o">=</span> <span class="tok-n">cap</span><span class="tok-p">.</span><span class="tok-n">get</span><span class="tok-p">(</span><span class="tok-n">CV_CAP_PROP_FRAME_HEIGHT</span><span class="tok-p">);</span>
<span class="tok-n">cout</span> <span class="tok-o"><<</span> <span class="tok-s">"largura = "</span> <span class="tok-o"><<</span> <span class="tok-n">width</span> <span class="tok-o"><<</span> <span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-n">cout</span> <span class="tok-o"><<</span> <span class="tok-s">"altura = "</span> <span class="tok-o"><<</span> <span class="tok-n">height</span> <span class="tok-o"><<</span> <span class="tok-n">endl</span><span class="tok-p">;</span>
<span class="tok-kt">int</span> <span class="tok-n">histw</span> <span class="tok-o">=</span> <span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-n">histh</span> <span class="tok-o">=</span> <span class="tok-n">nbins</span><span class="tok-o">/</span><span class="tok-mi">2</span><span class="tok-p">;</span>
<span class="tok-n">Mat</span> <span class="tok-n">histImgR</span><span class="tok-p">(</span><span class="tok-n">histh</span><span class="tok-p">,</span> <span class="tok-n">histw</span><span class="tok-p">,</span> <span class="tok-n">CV_8UC3</span><span class="tok-p">,</span> <span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">));</span>
<span class="tok-k">while</span><span class="tok-p">(</span><span class="tok-mi">1</span><span class="tok-p">){</span>
<span class="tok-n">cap</span> <span class="tok-o">>></span> <span class="tok-n">image</span><span class="tok-p">;</span>
<span class="tok-n">split</span> <span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span> <span class="tok-n">planes</span><span class="tok-p">);</span>
<span class="tok-n">calcHist</span><span class="tok-p">(</span><span class="tok-o">&</span><span class="tok-n">planes</span><span class="tok-p">[</span><span class="tok-mi">0</span><span class="tok-p">],</span> <span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-n">Mat</span><span class="tok-p">(),</span> <span class="tok-n">histR</span><span class="tok-p">,</span> <span class="tok-mi">1</span><span class="tok-p">,</span>
<span class="tok-o">&</span><span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-o">&</span><span class="tok-n">histrange</span><span class="tok-p">,</span>
<span class="tok-n">uniform</span><span class="tok-p">,</span> <span class="tok-n">acummulate</span><span class="tok-p">);</span>
<span class="tok-n">normalize</span><span class="tok-p">(</span><span class="tok-n">histR</span><span class="tok-p">,</span> <span class="tok-n">histR</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-n">histImgR</span><span class="tok-p">.</span><span class="tok-n">rows</span><span class="tok-p">,</span> <span class="tok-n">NORM_MINMAX</span><span class="tok-p">,</span> <span class="tok-o">-</span><span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-n">Mat</span><span class="tok-p">());</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">histRef</span><span class="tok-p">.</span><span class="tok-n">data</span> <span class="tok-o">&&</span> <span class="tok-n">compareHist</span><span class="tok-p">(</span><span class="tok-n">histR</span><span class="tok-p">,</span> <span class="tok-n">histRef</span><span class="tok-p">,</span> <span class="tok-n">CV_COMP_CHISQR</span><span class="tok-p">)</span><span class="tok-o">></span><span class="tok-mi">50</span><span class="tok-p">){</span>
<span class="tok-n">putText</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">,</span> <span class="tok-s">"Movimento detectado !"</span><span class="tok-p">,</span> <span class="tok-n">cvPoint</span><span class="tok-p">(</span><span class="tok-mi">190</span><span class="tok-p">,</span><span class="tok-mi">250</span><span class="tok-p">),</span>
<span class="tok-n">CV_FONT_HERSHEY_SIMPLEX</span><span class="tok-p">,</span> <span class="tok-mf">0.5</span><span class="tok-p">,</span> <span class="tok-n">cvScalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span><span class="tok-mi">255</span><span class="tok-p">,</span><span class="tok-mi">0</span><span class="tok-p">),</span> <span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-n">CV_AA</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-n">histImgR</span><span class="tok-p">.</span><span class="tok-n">setTo</span><span class="tok-p">(</span><span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">));</span>
<span class="tok-k">for</span><span class="tok-p">(</span><span class="tok-kt">int</span> <span class="tok-n">i</span><span class="tok-o">=</span><span class="tok-mi">0</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o"><</span><span class="tok-n">nbins</span><span class="tok-p">;</span> <span class="tok-n">i</span><span class="tok-o">++</span><span class="tok-p">){</span>
<span class="tok-n">line</span><span class="tok-p">(</span><span class="tok-n">histImgR</span><span class="tok-p">,</span>
<span class="tok-n">Point</span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-p">),</span>
<span class="tok-n">Point</span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-o">-</span><span class="tok-n">cvRound</span><span class="tok-p">(</span><span class="tok-n">histR</span><span class="tok-p">.</span><span class="tok-n">at</span><span class="tok-o"><</span><span class="tok-kt">float</span><span class="tok-o">></span><span class="tok-p">(</span><span class="tok-n">i</span><span class="tok-p">))),</span>
<span class="tok-n">Scalar</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-mi">255</span><span class="tok-p">),</span> <span class="tok-mi">1</span><span class="tok-p">,</span> <span class="tok-mi">8</span><span class="tok-p">,</span> <span class="tok-mi">0</span><span class="tok-p">);</span>
<span class="tok-p">}</span>
<span class="tok-n">histImgR</span><span class="tok-p">.</span><span class="tok-n">copyTo</span><span class="tok-p">(</span><span class="tok-n">image</span><span class="tok-p">(</span><span class="tok-n">Rect</span><span class="tok-p">(</span><span class="tok-mi">0</span><span class="tok-p">,</span> <span class="tok-mi">0</span> <span class="tok-p">,</span><span class="tok-n">nbins</span><span class="tok-p">,</span> <span class="tok-n">histh</span><span class="tok-p">)));</span>
<span class="tok-n">histRef</span> <span class="tok-o">=</span> <span class="tok-n">histR</span><span class="tok-p">.</span><span class="tok-n">clone</span><span class="tok-p">();</span>
<span class="tok-n">imshow</span><span class="tok-p">(</span><span class="tok-s">"image"</span><span class="tok-p">,</span> <span class="tok-n">image</span><span class="tok-p">);</span>
<span class="tok-k">if</span><span class="tok-p">(</span><span class="tok-n">waitKey</span><span class="tok-p">(</span><span class="tok-mi">30</span><span class="tok-p">)</span> <span class="tok-o">>=</span> <span class="tok-mi">0</span><span class="tok-p">)</span> <span class="tok-k">break</span><span class="tok-p">;</span>
<span class="tok-p">}</span>
<span class="tok-k">return</span> <span class="tok-mi">0</span><span class="tok-p">;</span>
<span class="tok-p">}</span></code></pre>
</div>
</div>
<div class="paragraph">
<p>O resultado da execução do algorítmo segue abaixo:</p>
</div>
<div class="openblock float-group">
<div class="content">
<div class="paragraph left text-center">
<div class="title">Primeiro frame</div>
<p><span class="image related thumb left"><img src="./figures/motion1.png" alt="motion1"></span></p>
</div>
<div class="paragraph left text-center">
<div class="title">Segundo frame</div>
<p><span class="image related thumb left"><img src="./figures/motion2.png" alt="motion2"></span></p>
</div>
</div>
</div>
</div>
<div class="sect2">
<h3 id="_1_6_filtro_espacial_modificado">1.6 Filtro Espacial modificado</h3>
<div class="paragraph">
<p>Para a implementação do <a href="PDI/laplgauss.cpp">laplgauss.cpp</a> utilizou-se como programa-base o arquivo <a href="PDI/filtroespacial.cpp">filtroespacial.cpp</a>. A proposta desse exercício é adicionar ao programa disponibilizado pelo professor a função de filtro Laplaciano Gaussiano da imagem capturada e compará-la com o Gaussiano da mesma.</p>
</div>
<div class="listingblock">
<div class="title">laplgauss.cpp</div>
<div class="content">
<pre class="pygments highlight"><code data-lang="cpp"><span class="tok-cp">#include</span> <span class="tok-cpf"><iostream></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><opencv2/opencv.hpp></span><span class="tok-cp"></span>
<span class="tok-k">using</span> <span class="tok-k">namespace</span> <span class="tok-n">cv</span><span class="tok-p">;</span>