README.md

ocr-captchas

A pratice of OCR model for recognition Captchas by Tensorflow.Keras

Data

Example Dataset is from Kaggle's CAPTCHA Images.

Link

Usage

• Prepare your data and name the folder captcha_images

  • notice that the label of captchas should be the filename of image just like example data

• Train and save the model

python ocr_captcha.py

• Inference with single image named test.png

python predict_example.py

Result

Learning curve

model

CRNN + CTC loss