tesseract识别图片中文字

http://blog.sina.com.cn/s/blog_905f3dd60102xyih.html

https://blog.csdn.net/qq_40147863/article/details/82289463

https://www.cnblogs.com/haoliansheng/p/9792272.html

https://blog.csdn.net/m0_37215794/article/details/81944027

https://www.xfyun.cn/services/textRecg

https://www.xfyun.cn/doc/words/textRecg/API.html#接口返回参数