灰度图像压缩:
代码:
I=imread('F:4.jpg'); % I=imresize(I,[256 256]); I=double(I); [U,S,V]=svd(I); for k=1:100 Ik=U(:,1:k)*S(1:k,1:k)*V(:,1:k)'; % Ik=im2uint8(Ik); figure;imshow(Ik); end
运行结果: