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破解极验点击验证码

国家企业信用信息公示系统中的验证码是按语序点击汉字，如下图所示：

验证码

即，如果依次点击：‘无’，‘意’，‘中’，‘发’，‘现’，就会通过验证。

本项目的破解思路主要分为以下步骤：

  1. 使用目标探测网络YOLOV2进行汉字定位
  2. 设计算法进行汉字切割
  3. 使用darknet的分类器进行汉字识别
  4. 设计算法进行汉字纠错与语序识别

说明：该项目对于破解5个字及5个字以下的验证码效果不错，本人测试了400张图片正确率达到了0.85。

这里提供一个提升破解速度和准确率的思路：在以后破解gsxt网站的时候，可以将识别正确的词语加入到字典库中，这样随着时间的推移，正确率和速度都会越来越高。

免责声明

该项目仅用于学术交流，不得任何商业使用！

如果该项目对您有帮助，记得点一个star哦！！

详细文档请见个人博客

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