该代码是图像边缘检测中获得链码的代码,img代表输入图像,Array用来存储链码,x0y0是初始点的坐标,xy用来存储最终点的坐标,Ratio用来计算链码的曲率,代码中有注释相信大家可以看得懂,最近正在写关于相位编码的代码，如果有研究这方面东东的朋友可以多交流-The code is the image edge detection to obtain the chain code of the code, img representative of the input image, Array

Applying auto-correlation after the discrete wavelet transformation based on TEO.Mainly used in the speech processing and end point detection