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相同尺寸不同字符长度如何训练识别 #108

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njshiyanhz opened this issue Dec 6, 2022 · 0 comments

njshiyanhz commented Dec 6, 2022

验证码总共3种类型，字母数字、计算题和中文；

三种类型的字符长度不同，但验证码宽高相同；

如果分别训练，那会生成3种模型文件，部署识别时，不能准确选择模型文件，导致识别错误；

训练时，Loss Function选择的是CrossEntropy，指定label num，针对三种类型分别训练；

如果选择CTC，好像会忽略label num，但是发现需要的样本数量比CrossEntropy多很多；

请问这种多类型的验证码需要如何训练和部署？

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