这是个基于MATLAB的对图像边缘进行编码的代码，可以直接运行下，不过要自己修改参数-This is a MATLAB-based encoding of the image edge of the code can be run directly under, but to modify its own parameters

设计了GUI界面极具交互性，对ORL人脸图像进行降维以及QR二维码编码、解码。-Designed highly interactive GUI interface on the ORL face image dimension reduction and two-dimensional QR code encoding and decoding