img?=?double（imread（‘lena.png‘））;
mskflg?=?0;?%?if?you?want?to?produce?the?mask?put?one?for?mskflg

level?=?[5102040];
for?i=1:size（level2）;
?noise?=?img?+?randn（size（img））?*?level（i）;
?tic;
?[nlevel?th]?=?NoiseLevel（noise）;
?t=toc;
?fprintf（‘True:?%5.2f??R:%5.2f?G:%5.2f?B:%5.2f\n‘?level（i）?nlevel（1）?nlevel（2）?nlevel（3）?）;
?fprintf（‘Calculation?time:?%5.2f?[sec]\n\n‘?t?）;
?
?if（?mskflg?）
???msk?=?WeakTextureMask（?noise?th?）;
???imwrite（uint8（msk*255）?sprintf（‘msk%02d.png‘?level（i）））;
?end
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????528??2015-02-03?01:13??demo.m
?????文件??????137234??2015-02-03?01:13??lena.png
?????文件????????4130??2015-02-03?01:13??NoiseLevel.m
?????文件????????2404??2015-02-03?01:13??README.txt
?????文件????????1885??2015-02-03?01:13??WeakTextureMask.m
?????文件????????1315??2015-02-03?01:13??license.txt