中文说明：matlab图像边缘边缘检测：包括小波多尺度边缘检测主程序、求纵向细节v和横行细节h的合成及模极大值、对矩阵取自适应阈值等
English Description：
MATLAB image edge detection: including the main program of wavelet multi-scale edge detection, the synthesis and modulus maximum of vertical detail V and horizontal detail h, the adaptive threshold of matrix, etc