clear;clc?
close?all
?%%?add?RDH?path?
addpath（genpath（‘D:\matlab\IOjpeg\新建文件夾\JPEGread‘））;

job=jpeg_read（‘test8.jpg‘）;
??Y=job.coef_arrays{1};
????U=job.coef_arrays{2};
??????V=job.coef_arrays{3};
?
?????try
????????jobj.optimize_coding?=?1;
????????jpeg_write（job‘goad.jpg‘）;
????catch
????????error（‘ERROR?（problem?with?saving?the?stego?image）‘）;
?????end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-04-11?20:25??新建文件夾\
?????目錄???????????0??2015-04-11?20:21??新建文件夾\JPEGread\
?????文件???????14635??2010-05-18?12:05??新建文件夾\JPEGread\jpeg_read.c
?????文件???????17765??2005-06-01?12:46??新建文件夾\JPEGread\jpeg_read.mexa64
?????文件???????14781??2006-09-28?01:28??新建文件夾\JPEGread\jpeg_read.mexglx
?????文件???????65536??2007-02-14?11:31??新建文件夾\JPEGread\jpeg_read.mexw32
?????文件???????52736??2011-12-12?17:11??新建文件夾\JPEGread\jpeg_read.mexw64
?????文件???????13079??2010-05-18?12:04??新建文件夾\JPEGread\jpeg_write.c
?????文件???????17263??2006-09-28?01:28??新建文件夾\JPEGread\jpeg_write.mexa64
?????文件???????14721??2006-09-28?01:28??新建文件夾\JPEGread\jpeg_write.mexglx
?????文件???????57344??2006-09-28?01:28??新建文件夾\JPEGread\jpeg_write.mexw32
?????文件???????54784??2011-12-12?18:52??新建文件夾\JPEGread\jpeg_write.mexw64
?????文件?????1529044??2015-04-11?20:25??新建文件夾\goad.jpg
?????文件?????????384??2015-04-11?20:25??新建文件夾\readio.m
?????文件?????1541298??2014-10-26?18:59??新建文件夾\test8.jpg