function?imDst?=?boxfilter（imSrc?r）??
??
%???BOXFILTER???O（1）?time?box?filtering?using?cumulative?sum??
%??
%???-?Definition?imDst（x?y）=sum（sum（imSrc（x-r:x+ry-r:y+r）））;??
%???-?Running?time?independent?of?r;???
%???-?Equivalent?to?the?function:?colfilt（imSrc?[2*r+1?2*r+1]?‘sliding‘?@sum）;??
%???-?But?much?faster.??
??
[hei?wid]?=?size（imSrc）;??
imDst?=?zeros（size（imSrc））;??
??
%cumulative?sum?over?Y?axis??
imCum?=?cumsum（imSrc?1）;??
%difference?over?Y?axis??
imDst（1:r+1?:）?=?imCum（1+r:2*r+1?:）;??
imDst（r+2:hei-r?:）?=?imCum（2*r+2:hei?:）?-?imCum（1:hei-2*r-1?:）;??
imDst（hei-r+1:hei?:）?=?repmat（imCum（hei?:）?[r?1]）?-?imCum（hei-2*r:hei-r-1?:）;??
??
%cumulative?sum?over?X?axis??
imCum?=?cumsum（imDst?2）;??
%difference?over?X?axis??
imDst（:?1:r+1）?=?imCum（

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-03-27?22:55??圖像去霧\
?????文件?????????978??2019-03-19?17:24??圖像去霧\boxfilter.m
?????文件????????1240??2019-03-19?17:45??圖像去霧\gradient_guidedfilter.m
?????文件?????????798??2019-03-19?17:53??圖像去霧\Idark.m
?????目錄???????????0??2019-03-27?22:55??圖像去霧\input\
?????文件???????54881??2019-03-19?09:43??圖像去霧\input\1.jpg
?????文件???????52676??2019-03-19?10:22??圖像去霧\input\2.jpg
?????文件???????44874??2019-03-19?16:43??圖像去霧\input\3.jpg
?????文件??????109106??2019-03-19?17:01??圖像去霧\input\4.jpg
?????文件???????93232??2019-03-19?19:31??圖像去霧\input\5.jpg
?????文件???????50327??2019-03-27?21:34??圖像去霧\input\bg.jpg
?????文件???????74324??2019-03-20?20:01??圖像去霧\ME.fig
?????文件????????8759??2019-03-27?22:43??圖像去霧\ME.m
?????文件???????75876??2019-03-21?10:20??圖像去霧\menu_2.fig
?????文件???????10074??2019-03-27?21:35??圖像去霧\menu_2.m
?????文件???????44784??2019-03-27?21:38??圖像去霧\menu_3.fig
?????文件????????8353??2019-03-27?21:38??圖像去霧\menu_3.m
?????文件???????41718??2019-03-27?21:38??圖像去霧\menu_4.fig
?????文件????????6304??2019-03-27?21:38??圖像去霧\menu_4.m
?????文件????????1845??2017-09-19?20:36??圖像去霧\minfilt2.m
?????目錄???????????0??2019-03-27?22:55??圖像去霧\result\
?????目錄???????????0??2019-03-27?22:55??圖像去霧\result\images1\
?????文件???????52897??2019-03-27?22:44??圖像去霧\result\images1\Jdark.jpg
?????文件???????24404??2019-03-19?18:33??圖像去霧\result\images1\lena1.jpg
?????文件??????118925??2019-03-19?18:34??圖像去霧\result\images1\lena2.jpg
?????文件??????129991??2019-03-27?22:44??圖像去霧\result\images1\result.jpg
?????文件???????25960??2019-03-27?22:44??圖像去霧\result\images1\result2.jpg
?????目錄???????????0??2019-03-27?22:55??圖像去霧\result\images2\
?????文件???????37942??2019-03-27?22:44??圖像去霧\result\images2\lena1.jpg
?????文件???????37942??2019-03-27?22:45??圖像去霧\result\images2\lena2.jpg
?????目錄???????????0??2019-03-27?22:55??圖像去霧\result\images3\
............此處省略5個文件信息