search

dee1024 / pytorch-captcha-recognition

基于CNN训练的一套 "端到端" 的验证码识别模型，使用深度学习+训练数据+大量计算力，纯数字识别率高达 99.99%，数字+字母识别率 96%
Apache License 2.0
1.08k stars 314 forks source link

loss 在降低，但是Test Accuracy of the model =0.00000% #13

Open charliex2 opened 5 years ago

charliex2 commented 5 years ago

pytorch-captcha-recognition git:(master) ✗ python captcha_train.py init net ('epoch:', 0, 'step:', 0, 'loss:', 0.7110539674758911) ('epoch:', 1, 'step:', 0, 'loss:', 0.20382478833198547) ('epoch:', 2, 'step:', 0, 'loss:', 0.2277430146932602) ('epoch:', 3, 'step:', 0, 'loss:', 0.2373160570859909) ('epoch:', 4, 'step:', 0, 'loss:', 0.22053484618663788) ('epoch:', 5, 'step:', 0, 'loss:', 0.21534274518489838) ('epoch:', 6, 'step:', 0, 'loss:', 0.19580186903476715) ('epoch:', 7, 'step:', 0, 'loss:', 0.1724429875612259) ('epoch:', 8, 'step:', 0, 'loss:', 0.15848731994628906) ('epoch:', 9, 'step:', 0, 'loss:', 0.1449590027332306) ('epoch:', 10, 'step:', 0, 'loss:', 0.14423207938671112) ('epoch:', 11, 'step:', 0, 'loss:', 0.1371624767780304) ('epoch:', 12, 'step:', 0, 'loss:', 0.12939313054084778) ('epoch:', 13, 'step:', 0, 'loss:', 0.12587422132492065) ('epoch:', 14, 'step:', 0, 'loss:', 0.12168151885271072) ('epoch:', 15, 'step:', 0, 'loss:', 0.12061356008052826) ('epoch:', 16, 'step:', 0, 'loss:', 0.11823482811450958) ('epoch:', 17, 'step:', 0, 'loss:', 0.11660336703062057) ('epoch:', 18, 'step:', 0, 'loss:', 0.11383380740880966) ('epoch:', 19, 'step:', 0, 'loss:', 0.11137279868125916) ('epoch:', 20, 'step:', 0, 'loss:', 0.10716967284679413) ('epoch:', 21, 'step:', 0, 'loss:', 0.10241743177175522) ('epoch:', 22, 'step:', 0, 'loss:', 0.10174597799777985) ('epoch:', 23, 'step:', 0, 'loss:', 0.09972652792930603) ('epoch:', 24, 'step:', 0, 'loss:', 0.09792148321866989) ('epoch:', 25, 'step:', 0, 'loss:', 0.09143608063459396) ('epoch:', 26, 'step:', 0, 'loss:', 0.09200140088796616) ('epoch:', 27, 'step:', 0, 'loss:', 0.09041691571474075) ('epoch:', 28, 'step:', 0, 'loss:', 0.08658407628536224) ('epoch:', 29, 'step:', 0, 'loss:', 0.08212457597255707) save last model ➜ pytorch-captcha-recognition git:(master) ✗ python captcha_test.py load cnn net. Test Accuracy of the model on the 3 test images: 0.000000 %

Wang-Xiaodong1899 commented 5 years ago

你要训练epoch至少15次看看

MortonWang commented 5 years ago

-ShadowShadowWong

你好，遇到了与@charliex2 相同的问题

在batch=512的情况下，学习率从0.001到0.1，训练epoch<=100，结果是，best_val_acc=18%, best_test_acc=1% 请教模型的搭建以及超参数的设置

-Morton

jian1299 commented 5 years ago

我也遇到了相同的问题 在batch=512的情况下，学习率从0.001，训练epoch 65，损失函数0.0102 结果best_val_acc=8%, best_test_acc=7% 请教模型的搭建以及超参数的设置

图片：160 x 80 训练集：10w 验证集：1000 测试集：2000