Pytorch: Captcha recognition using convolutional RNNs
Captcha Images can be found here [Link]
Number of Images - 1040
Unique characters in Captcha - 19
Shared parameters:
batch size: 8
Image dimensions (HxW): 75x300
Num Conv Layers: 2
num GRU layers: 1 (Bi-directional)
initial learning rate: 3e-4
learning rate scheduler: ReduceLROnPlateau
epochs: 200
Dataset-split: 10% for Validation
| Loss | |
|---|---|
| Training set | 0.06 |
| Evaluation set | 0.20 |
####Accuracy on Eval Set: 76.92%
