智能分析接口（支持车牌识别，人脸识别等智能类型），提供demo和源码，供参考！-Intelligence Interface (support plate recognition, face recognition and other intelligent type), to provide a demo and source code, for reference!

opencv - face recognition. The code is free and can be used for any purpose including commercial purposes

CV全自动图形图片验证码识别软件全自动图形图片验证码识别工具-CV automatic graphic image verification code recognition softwareAutomatic graphic image verification code identification tools