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History.txt
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History.txt
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0.5.400
Fixes some platform issues to make SiftGPU work with Intel integrated GPUs.
Tested on window 7 and Ubuntu.
Note that Linux+Intel card works only on Mesa 9 for now.
Replaced the deprecated ostrstream by ostringstream
Fixed a few memory leaks (delete[]/delete mistakes);
0.5.382
Fixed a bug with CUDA-based SiftMatchGPU (can match up to only 4096)
* The maximu texture dimension is not updated from hardware since V370
0.5.381
Really fixed the bug in CUDA-implementation of Guided SIFT matching...
0.5.380
Fixed a bug in CUDA-implementation of Guided SIFT matching. (Thanks to Oliver Whyte)
Added auto-downsampling to try fit the GPU memory cap.
Fixed minor GLSL code issue on Intel Integrated Cards.. not fully functional on Intel
Fixed bug with a rarely used parameter -tc for limiting feature counts
Updated Devil 64 bit lib to let it search for Devil64.dll (to keep both in the same folder)
Fixed an issue on the new nVidia driver with one GLSL shader.
Fixed a glReadPixels issue on ATI when the feature count is too big.
Modified the descriptor code to make it work correctly for ATI
Finally made GPU selection for Windows working (e.g. -display \\.\DISPLAY4)
MSVC Only: Converted the visual studio solution to v2010
0.5.370
Automatic switch from OpenGL to CUDA when OpenGL is not supported (Useful for X)
Dropped indirect data transfer path CPU->GL->CUDA
(CUDA part not requiring OpenGL at all, but restrictive on input type)
New parameter -mind (mininum working dimension) for performance tweak
(By default it is 16; Gaussian octaves smaller than this will be skipped)
(Small dimensions are ineffecient for GPU because many processes are on idle)
Added a function to compute SIFT for any rectangle (not only square!)
(Email me if you are interested in using it)
Dropped all CG implementation to simplify maintance
Added a partial OpenCL implementation (half speed of CUDA/GLSL)
Added macro SIFTGPU_NO_DEVIL to allow droping DevIL depencency
Fixed minor bug in makefile
Removed reference to MAX_PATH in SiftGPU.h. It is dangerrous..since they can be redefined.
0.5.360
Added demo MultiThreadSIFT to demonstrate using Multi-GPU with Multi-Threading.
Improved CUDA performance on frequent image size changes
Skipped unacessary gradient/dog computation when using keypoint list on a same image
Added x64 projects to VisualStudio solution
Provided three different ways to limit the number of feautres -tc1 -tc2 -tc3
(to keep either the highest levels or the lowest levels)
Fixed a bug with -tc introduced in V360Beta (2/26/10)
Fixed a bug in CUDA-implementation when the first several octaves are skipped (2/28/10)
Let RunSIFT return 0 when errors are found in CUDA (previously ignored)
Added option -display to select GPU according to Display
Modified option -cuda [device_index] to select GPU device.
Added Wrapper ServerSiftGPU to allow run multiple SiftGPU on multiple GPUs
Added option -tc to set a soft limit for the number of returned features.
Changed OpenGL context creation. The core library no longer requires GLUT.
Removed calles to std in file ProgramCU.cu to avoid possible compiling errors.
Reorganized the file structure of the code package.
Fixed some linux makefile issue and linux compilation issue.
Fixed linux name mangling problem for dynamic library loading.
0.5.345
New Linux makefile. CG, CUDA and sse parameters can now be changed easily in makefile.
CG-based SiftGPU is now disabled by default to reduce dependencies.
Made more parameters changable after initizlization (check manual for details)
Changed the way of handling out-of-boundary user-specified keypoints.
Changed the timing function from clock to gettimeofday for Linux (Thanks to Pilet)
Fixed a bug in saving binary format(Thanks to Dekker)
Fixed linux makefile for CUDA-SIFTGPU (Thanks to Planna)
Fixed a conversion bug for 64-bit system introduced in V340 (Thanks to Plana and Wang)
0.5.340
Added (-glsl -pack -m -s) to default setting. (You can change back to CG by -cg)
Updated libraries (CG 2.1, GLEW 1.5, DEVIL 1.77)
Used SSE to speed up descriptor normalization
Improved speed of the OpenGL-based SiftMatchGPU. (1.5x)
Added GLSL and CUDA implementation of SiftMatchGPU
Added the packed glsl implementation. It might be slightly faster than cg.
Added a CUDA-based SiftGPU implementation(use -cuda to turn it on)
Cleaned up the GLSL code to follow the GLSL standard more strictly.
Tested many of the GLSL shaders in GPU ShaderAnalyzer 1.5.
Added option -fastmath to specify -fastmath to cg compiler(yet no big difference).
Increased the threshold to fix the bug in guided matching when F is NULL
Fixed a bug in orientation for -m2p (missing a ";" in shader code)
Changed interface to handle all OpenGL pixel data (Previous only float and unsigned char).
Kept only the fastest verion of descriptor generation code, and dropped others.
0.5.320
Fixed a bug (Wrong texture size may be assigned when image size changes)
Fixed a bug (Descriptor storage size may be not updated when image size changes)
0.5.319
Fixed a bug (Setkeypoint before specifying image was not working in previous versoins)
0.5.318
Changed interface to process keypoints WITHOUT known orientations
Added interface to specifiy float image data
Overloaded new operator of SiftGPU and SiftMatchGPU to fix a possible heap corruption on deallocation
0.5.317
Fixed a bug in processing user-specified keypoints
Updated the .def file for the released package
0.5.316
Fixed a bug of insufficient buffer allocation in very rare cases. (Thanks to Zheng)
Added guided SIFT putative matching using homography or/and fundamental matrix
Added function to change the feature number limitation for sift matching
0.5.315
Added a cg-based sift matching implementation (Thanks to Zach)(see SimpleSIFT.cpp for example).
Added optional output of the extremum type (maximum or minimum) of feature
Added function to compute descriptors for user-specified keypoints
Included xcode project and makefile(Thanks to Perfanov and Wittenhagen)
0.5.313
Finished the GLSL implementation of SIFT (use -glsl to turn it on).
Fixed a bug of crashing after many iterations on newer graphic card like GTX 280. (Thanks to Zheng)
0.5.312
Fixed a bug introduced in V311(One texture size not updated for image size chaning with -pack)
Fixed a bug introduced in V311(feature readback function is empty for -pack). (Thanks to Palomo)
0.5.311
Fixed a bug in descriptor computation (it may cause error in descriptors of 10% of features)
Implemented a packed SIFT implementation (use -pack to use it. 3x pyramid construction speed)
Used GPU/CPU mixed list generation (2X compared with old method)
Used only CPU for multi-orientation list generation (much faster than GPU)
Changed parameter to avoid using dyamic array indexing by default.
Implemented a new descriptor computation method(30% faster than the old one
Evaluated the speed on GTX 280. (obtained 1.5x the speed of 8800 GTX)
Dropped many unreferenced functions and also some old shaders.
Changed some definition for better compiliation on Mac (Thanks to Wittenhagen)
Changed SaveSIFT function to keep a little bit less fractional digits
Combined the horizontal gradient and vertical gradient visualization to one.
0.5.302
Updated cg, glew and glut libraries
Added speed evaluation code
Added some debug code to write out floating point tiff images
Refactorized code a little bit, now it is having much less warnings
0.5.293
Changed gaussian weighting factor in orientation computation, now closer to Lowe's
Minor bug fix on texture reallocation for too many features
Added new feature to automatically down-sample images that are larger than user-defined size.
0.5.288
Added comparision with Lowe's SIFT on box.pgm(check /doc/evaluation for results)
Fixed two bugs related to feature scale
Fixed a bug related to up-sampling
Added a missing dog threshold test after subpixel localization.
Added new parameter for fixing the feature orientations
Added export function to check how SiftGPU is supported by current OpenGL context
Changed some default parameter ( now it downloades result, and use verbose level 2 by default)
0.5.280
Added an example of dyanmic loading of siftgpu library
Fixed a serious bug of GetFeatureVector (orientation and scale are misordered previously)
Fixed a bug in def file
Fixed a bug in calling RunSIFT with pixel data.
Fixed some GLSL shader bugs
0.5.276
Removed file "gs_types.h" and put the export definition in "siftgpu.h"
Added high resolution timing for windows by using funciton timeGetTime
Fixed some problems on arbfp1. Now it can run a limited demo again.
Added parameter for changing the maximum allowed feature number of a level
0.5.267
Corrected a neglected stricmp to _stricmp for linux compiliation
Fixed a bug in function ResizePyramid which happens when image size changes in some way
Added key input function to change verbose level for GUI mode
0.5.265
Added display of fps information in console for sequential processing
Added an optional step that converts RGB to Luminance before uploading to GPU
Added a parameter "-p WxH" to specify the size for initializing the pyramids
0.5.261
Added a new feature for using existing memories for processing smaller images
Added new functions to let user control the allocation pyramid momory
Fixed a bug with sub-pixel localization
0.5.256
Added linux makefile
Added a new feature for allocating seperate processing memories for multiple images.
0.5.250
New keypoint detection code capable of sub-pixel/sub-scale localization
Changed code for easy Linux porting. Thank Martin Schneider for his help on this
Changed some default values of the parameters.
Improved SIFT visualization.
0.5.236
Fixed an important bug in orientation computation
Successfully tested on many image matching experiments
Changed the command line -m to default 2 orientations
0.5.232
Fixed a sift output bug
Fixed a NaN bug in descriptor generation
Fixed a bug that some images are flipped
0.5.224
Fixed a memory leak bug on FBO
Added one more demo for processing 640*480 image sequence
Smalled change to interface, so that image data can be specified like OpenGL textures
0.5.220
Added more examples to manual.
Added more comments about the siftgpu interface
Added one more input interface
Fixed bug of crash on image size change
0.5.208
First release