matlab置乱图像复原function b=modifyImage(flower) a=imread('D:/Backup/我的文档/MATLAB/flower.jpg'); T=1; b=a;figure;imshow(b);while T<13 for x=1:size(a,1) for y=1:size(a,2) x1=mod(x+y,size(a,1)); y1=mod(x+2*y,size(a,2)); temp(x1+1,y1+1)=a(x,y); end end a=temp; T=T+1; end figure;imshow(a);怎么还原啊
