function?y?=?isrgb（x）
%ISRGB?Return?true?for?RGB?image.
%???FLAG?=?ISRGB（A）?returns?1?if?A?is?an?RGB?truecolor?image?and
%???0?otherwise.
%
%???ISRGB?uses?these?criteria?to?determine?if?A?is?an?RGB?image:
%
%???-?If?A?is?of?class?double?all?values?must?be?in?the?range
%?????[01]?and?A?must?be?M-by-N-by-3.
%
%???-?If?A?is?of?class?uint8?or?uint16?A?must?be?M-by-N-by-3.
%
%???Note?that?a?four-dimensional?array?that?contains?multiple?RGB
%???images?returns?0?not?1.
%
%???Class?Support
%???-------------
%???A?can?be?of?class?uint8?uint16?or?double.?If?A?is?of?
%???class?logical?it?is?considered?not?to?be?RGB.
%
%???See?also?ISBW?ISGRAY?ISIND.

%???Copyright?1993-2003?The?MathWorks?Inc.??
%???$Revision:?1.15.4.2?$??$Date:?2003/08/23?05:52:55?$

wid?=?sprintf（‘Images:%s:obsoleteFunction‘mfilename）;
str1=?sprintf（‘%s?is?obsolete?and?may?be?removed?in?the?future.‘mfilename）;
str2?=?‘See?product?release?notes?for?more?information.‘;
warning（wid‘%s\n%s‘s

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

?????文件????????801??2002-11-12?18:37??watermark_LSB\fig11.gif

?????文件?????147630??2002-11-12?18:37??watermark_LSB\fig13s.gif

?????文件??????14622??2002-11-18?09:33??watermark_LSB\key.bmp

?????文件??????66614??2002-11-20?09:46??watermark_LSB\lena.bmp

?????文件??????71115??2002-11-02?16:05??watermark_LSB\lena3.gif

?????文件???????1865??2011-05-11?16:26??watermark_LSB\lsb_embed.asv

?????文件???????1908??2011-05-11?17:09??watermark_LSB\lsb_embed.m

?????文件????????958??2002-11-13?14:06??watermark_LSB\lsb_recover.m

?????文件??????66614??2011-05-11?17:04??watermark_LSB\lsb_watermarked.bmp

?????文件????????300??2011-05-11?16:51??watermark_LSB\PSNR.asv

?????文件????????855??2011-05-11?17:03??watermark_LSB\PSNR.m

?????文件??????11416??2003-06-25?13:15??watermark_LSB\test.jpg

????..A.SH.?????36864??2010-05-10?16:56??watermark_LSB\Thumbs.db

?????文件??????42240??2001-03-25?15:47??watermark_LSB\_key.bmp

?????目錄??????????0??2011-05-11?16:51??watermark_LSB

?????文件???????1476??2015-08-17?15:29??watermark_LSB\isrgb.m

-----------?---------??----------?-----??----

???????????????465278????????????????????16