如图,使用matlab编程实现小波变换对一幅图像进行处理,从而得出4个座标...答:A = imread('image.bmp');B = A(:,:,1);[lowf,highfH,highfV,highfD,C,S] = wavelet2D(double(B),'morlet',2);function[lowf,highH,highV,highD,C,S] = wavelet2D(signal,wavelet,level)[C,S]=wavedec2(signal,level,wavelet);lowf = appcoef2(C,S,wavelet,level);highH=...