wilbertharriman/captcha2text

Tensorflow 2 Captcha Reader

Download dataset here

Data preprocessing

• Training set: 100000 labeled captchas.
• Validation set: 20000 labeled captchas.
• Testing set: 20000 unlabeled captchas.
• All captchas are resized to 50 x 100.

Encoder

Convolutional Neural Network encodes captcha images into simpler representation.

Decoder

Output from attention layer is fed into GRU cells followed by FC layers to convert encoded captchas into strings.

captcha2text's Issues

downloading the dataset

hi, thanks for your for work .
I cant use your dataset, I get the error of permission : "You may need to change the permission to 'Anyone with the link', or have had many accesses "
can you help me, please.