%將水印圖像做DCT變換嵌入到彩色圖像中
clc;clear;
wtype?=?‘dct2‘;
iwtype?=?‘idct2‘;
trueimage=imread（‘F:\My?code\man.jpg‘）;
alpha=.1;??????????%嵌入因子
dim_i=size（trueimage）;
rm=dim_i（1）;cm=dim_i（2）;
%設嵌入公式v‘=v（1+aXk）中的a=0.1
%顯示原始圖片
subplot（231）;
imshow（trueimage）;title（‘original?image‘）;
%
%水印圖片
watermark=imread（‘F:\My?code\W.bmp‘）;
subplot（232）;
imshow（watermark）;title（‘watermark?image‘）;
watermark?=?rgb2gray（watermark）;
%對水印圖片做DCT變換
watermark_dct=blkproc（watermark[88]wtype）;
waterseria=watermark_dct（:）;??%列向量
%
%提取綠色分量
image1=imread（‘man.jpg‘）;
image=image1（::2）;
subplot（233）;
imshow（image）;
title（‘載體圖像‘）;
[rc]=size（image1）;
%對綠色分量進行DCT變換
dct_image=blkproc（image[88]wtype）;
%
%對綠色分量頻譜嵌入水印頻譜
dct_image1=dct_image;
k=1;
for?i=1:rm/8
????for?j=1:cm/8
????????x=

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2042??2016-05-18?16:40??blindwatermark\1\blindwatermark.m

?????文件???????1734??2012-06-27?08:53??blindwatermark\1\multiple_watermark.m

?????文件???????3306??2012-06-27?09:57??blindwatermark\1\my_dct_watermark.m

?????文件????????662??2012-06-27?09:14??blindwatermark\1\my_dct_watermark_detect.m

?????文件???????1307??2012-06-25?16:23??blindwatermark\1\watermarking.m

?????文件????????594??2005-04-22?15:55??blindwatermark\2\blink_watermark.m

?????文件???????1193??2016-05-18?21:23??blindwatermark\2\blink_watermark_embedded.m

?????文件???????1268??2016-05-18?21:27??blindwatermark\2\compression_extract_watermark.m

?????文件????????533??2016-05-18?20:50??blindwatermark\2\CQ.m

?????文件????????157??2005-03-20?21:46??blindwatermark\2\filter0.m

?????文件???????2138??2016-05-18?23:22??blindwatermark\2\multi_resolution_embedded.m

?????文件???????2316??2016-05-18?22:56??blindwatermark\2\multi_resolution_extraction.m

?????文件????????514??2016-05-18?20:49??blindwatermark\2\PSNR.m

?????文件?????????26??2007-05-28?13:24??blindwatermark\2\read.txt

?????文件???????1258??2005-03-20?21:39??blindwatermark\2\壓縮處理后抽取水印程序.m

?????文件????????988??2005-03-20?21:41??blindwatermark\2\多分辨率嵌入水印程序.m

?????文件???????1256??2005-03-20?21:42??blindwatermark\2\多分辨率提取水印程序.m

?????文件????????427??2005-03-20?21:37??blindwatermark\2\峰值信噪比函數程序.m

?????文件????????424??2005-03-20?21:36??blindwatermark\2\歸一化互相關系數函數程序.m

?????文件????????157??2005-03-20?21:46??blindwatermark\2\濾波程序.m

?????文件???????1145??2001-08-14?20:08??blindwatermark\2\盲水印嵌入算法.m

?????文件????????594??2005-04-22?15:55??blindwatermark\2\盲水印檢測算法.m

?????文件???????1407??2001-11-27?22:33??blindwatermark\Diffusion\anidifstep.m

?????文件???????1323??2003-07-10?15:27??blindwatermark\Diffusion\aosiso.m

?????文件???????1111??2003-09-19?10:51??blindwatermark\Diffusion\aosiso1.m

?????文件??????11283??2002-04-11?23:16??blindwatermark\Diffusion\cedif.m

?????文件???????6036??2003-08-11?09:15??blindwatermark\Diffusion\cedifdemo.m

?????文件???????1642??2001-11-27?13:52??blindwatermark\Diffusion\colormapc.m

?????文件???????2872??2004-03-26?09:01??blindwatermark\Diffusion\contents.m

?????文件???????1502??2001-12-25?22:36??blindwatermark\Diffusion\conv2br.m

............此處省略60個文件信息