经典COX水印算法
经典COX水印算法,matlab实现
rgb_image = imread('H:\gg\源代码\lena.bmp');
ycbcr_image = rgb2ycbcr(rgb_image);
y = ycbcr_image(:,:,1); % extract luminance component
dct_image = dct2(y); % Compute the DCT of Y plane
%dlmwrite('orig_y_img.txt', ycbcr_image(:,:,1));
%dlmwrite('inv_orig_img.txt', y);
%dlmwrite('orig_dct.txt', dct_image);
%dlmwrite('orig_img.txt', ycbcr_image);
文件下载
资源详情
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评论信息
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udailiu :程序中含有大量绝对路径，写法不够规整，修改麻烦。不想用了2015-03-18 -
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superex :可以实现DCT变换数字水印2013-03-28
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