我特别困在这种情况下(上面的例子是从MATLAB的帮助)我怎样写一个图像文件
I = imread('liftingbody.png');
S = qtdecomp(I,.27);
blocks = repmat(uint8(0),size(S));
for dim = [512 256 128 64 32 16 8 4 2 1];
numblocks = length(find(S==dim));
if (numblocks > 0)
values = repmat(uint8(1),[dim dim numblocks]);
values(2:dim,2:dim,:) = 0;
blocks = qtsetblk(blocks,S,dim,values);
end
end
blocks(end,1:end) = 1;
blocks(1:end,end) = 1;
imshow(I), figure, imshow(blocks,[])
如果我尝试使用写即块图像imwrite(blocks)
然后整个图像显示为黑色。这发生在任何输入图像上。但是我想要精确地写出imshow在这里显示的输出。谁能帮忙?