阿里
1.印刷文字识别-身份证识别 https://market.aliyun.com/products/57124001/cmapi010401.html?spm=a2c4g.11186623.2.7.VojbRu
2.Oss图片-服务端签名后直传 https://help.aliyun.com/document_detail/31926.html?spm=a2c4g.11186623.6.634.YFPHhX
百度
1.身份证识别 http://ai.baidu.com/docs#/OCR-PHP-SDK/ce76bfd7