2DPCA用于人脸、步态等图像识别，可先按照行列比例将不规整图像归一化处理，然后进行训练，并且识别，全部中文注释和提示，便于学习和参考。-2DPCA human face, gait, such as image recognition, in accordance with the ranks of the ratio can not structured to deal with the normalized image, and then training, and recognition

验证码识别用特征码提取工具，可以从屏幕截取特征码或从文件夹图片中批量截取特征码，其思路让验证码识别变得更有条理和简单-Identification with the signature verification code extraction tool, screen capture from the signature image from a folder or volume intercept signature, the idea to verify the code more stru

结构光光条提取的混合图像处理方法,图像处理，二值化-Structured light bar extraction Composite image processing

实时 2D + 3D 面部动作和表情识别，国外的文章，2010的-This paper presents a completely automated facial action and facial expression recognition system using 2D+3D images recorded in real-time by a structured light sensor.