captcha break based on opencv2, tesseract-ocr and some machine learning algorithm.
I am studying tensorflow at present, the following breaks of captcha will base on tensorflow python api.
The simplest captcha breaking.
CAPTCHA from http://download.csdn.net/
CAPTCHA from http://submail.cn/sms
CAPTCHA from http://login.weibo.cn/login/
the sometimes CAPTCHA from http://login.weibo.cn/login/
CAPTCHA of http://passport.jikexueyuan.com/sso/verify
MIT