function?outImg?=?contrastStretch（?origImg?value?）
%UNtitleD2?Summary?of?this?function?goes?here
%???Detailed?explanation?goes?here
origImg?=?double（origImg）;
if?value?>=?0
????outImg?=?255*（origImg?-?value）/（255-2*value）;
else
????outImg?=?（（255?+?2?*?value）/255）*origImg?-?value;
end

outImg（outImg?outImg（outImg?>255）?=?255;
outImg?=?uint8（outImg）;

end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????227362??2012-11-27?16:36??mask?code\MASK勻光結果.jpg
?????文件??????224860??2012-11-27?16:36??mask?code\Wallis勻光結果.jpg
?????文件?????????385??2012-11-27?16:36??mask?code\contrastStretch.m
?????文件????????1523??2012-11-27?16:36??mask?code\dodging.m
?????文件????????1552??2012-11-27?16:36??mask?code\lowfilt.m
?????文件?????????318??2012-11-27?16:36??mask?code\matchRange.m
?????文件??????484273??2012-11-27?16:36??mask?code\original.jpg
?????目錄???????????0??2012-11-29?09:34??mask?code\