matlab_watermark

  数字水印参考代码，分别用checksum，lsb，patchwork等方式嵌入水印，并且附带计算信噪比和消除水印的代码(Digital watermark reference code checksum lsb in patchwork way embedded watermark and accompanying calculated signal-to-noise ratio and eliminate the watermark code)

checksum实验
............\checksum_embed.m,1893,2011-04-20
............\checksum_recover.m,1698,2011-04-21


............\psnr.m,618,2011-04-20

lsb实验


.......\lsb_embed.m,1732,2011-04-07
.......\lsb_recover.m,1801,2011-04-21
.......\psnr.m,893,2011-04-07
nec实验

.......\nec.m,4629,2011-04-07
.......\psnr.m,893,2011-04-07
patchwork实验

.............\patchwork_embed.m,1263,2011-04-07
.............\patchwork_recover.m,3770,2011-04-21
.............\psnr.m,893,2011-04-07
基本图像处理实验
................\blkproc1.m,510,2011-04-21
................\brighten1.m,120,2011-04-21
................\dct1.m,84,2011-04-21

................\filter21.m,249,2011-04-21
................\histeq1.m,68,2011-04-21
................\imadjust1.m,82,2011-04-19
................\image1.m,121,2011-04-21
................\imcomplement1.m,100,2011-04-19
................\imcrop1.m,86,2011-04-21
................\imhist1.m,31,2011-04-19
................\imnoise1.m,80,2011-04-21
................\imread1.m,78,2011-04-19
................\imresize1.m,68,2011-04-19
................\imresize2.m,73,2011-04-19
................\imrotate1.m,132,2011-04-19
................\imwrite1.m,57,2011-04-19


................\rgb2gray1.m,65,2011-04-19
................\truesize1.m,52,2011-04-21
应用Matlab实现数字水印.pptx,5512725,2011-04-28