输入为JPG格式图像，通过小波模极大值提取图像边缘，共分3级进行提取，输出包括原图像边缘检测结果和不同级别小波边缘图像。-JPG format input image, the wavelet modulus maxima extracted image edge extraction is divided into three, the output includes the original image edge detection results and the different lev