function?[?ret?]?=?ChangeBrightness（?img??delta）
[n?m?~]?=?size（img）;
for?i?=?1:n
????for?j?=?1:m
????????tmp?=?min（img（ij:））;
????????if?tmp?>?delta
????????????tmp?=?delta;
????????end
????????for?k?=?1:3
????????????img（ijk）?=?img（ijk）?-?tmp;
????????end
????end
end
ret?=?img;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????311??2016-05-16?23:36??ChangeBrightness.m
?????文件?????????191??2016-05-14?11:43??FFT.m
?????文件?????????139??2016-05-14?12:28??iFFT.m
?????文件?????????988??2016-05-17?21:55??main.m
?????文件????????4150??2016-05-16?21:44??Reinhard.m
?????目錄???????????0??2016-05-17?22:00??原圖\
?????文件???????28381??2016-05-14?10:42??原圖\1.jpg
?????文件???????12160??2016-05-14?10:43??原圖\2.jpg
?????文件???????31851??2016-05-14?10:43??原圖\3.jpg
?????文件???????19157??2016-05-14?10:43??原圖\4.jpg
?????文件???????14746??2016-05-14?10:43??原圖\5.jpg
?????文件?????1070973??2016-05-17?22:04??報告.pdf
?????目錄???????????0??2016-05-17?17:35??結果\
?????文件??????222935??2016-05-16?23:47??結果\1+3.png
?????文件??????213855??2016-05-16?23:48??結果\1+5.png
?????文件??????200439??2016-05-16?23:51??結果\2+1.png
?????文件??????213020??2016-05-16?23:53??結果\2+3.png
?????文件??????184722??2016-05-16?23:55??結果\2+5.png
?????文件??????215840??2016-05-16?23:56??結果\3+1.png
?????文件??????218747??2016-05-16?23:58??結果\3+4.png
?????文件??????214603??2016-05-17?00:00??結果\3+5.png
?????文件??????215231??2016-05-17?00:03??結果\4+3.png
?????文件??????152557??2016-05-17?17:35??結果\4+5.png
?????文件??????211625??2016-05-17?00:04??結果\5+1.png