基于matlab的简单人脸识别，这里通过对人脸图像打上网格，对区域块图像做二值分析，通过像素比例来做处理。进而得到人脸区域。-A simple matlab based face recognition, the face image of a grid, the two value image through the analysis of the regional block, the proportion of pixels to process. To get the face regi