資源簡介
引導(dǎo)圖像濾波器 Matlab實(shí)現(xiàn) 直接運(yùn)行就可以出圖。我用的是matlan7.已經(jīng)驗(yàn)證過。絕對能用!
Matlab demo code for Guided Image Filtering 引導(dǎo)濾波器 Guided Image Filtering 需要兩幅圖像, 原圖和引導(dǎo)圖

代碼片段和文件信息
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?Y?axis
imDst(:?1:r+1)?=?imCum(:?1+r:2*r+1);
imDst(:?r+2:wid-r)?=?imCum(:?2*r+2:wid)?-?imCum(:?1:wid-2*r-1);
imDst(:?wid-r+1:wid)?=?repmat(imCum(:?wid)?[1?r])?-?imCum(:?wid-2*r:wid-r-1);
end
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-11-02?14:06??引導(dǎo)濾波器\
?????文件?????????931??2010-07-08?19:30??引導(dǎo)濾波器\boxfilter.m
?????文件?????????452??2010-07-08?20:22??引導(dǎo)濾波器\example_enhancement.m
?????文件?????????285??2010-07-08?19:46??引導(dǎo)濾波器\example_smoothing.m
?????文件?????????957??2010-07-08?21:57??引導(dǎo)濾波器\guidedfilter.m
?????文件????????2461??2010-07-08?22:11??引導(dǎo)濾波器\guidedfilter_color.m
?????目錄???????????0??2010-11-02?14:06??引導(dǎo)濾波器\img_enhancement\
?????文件????????5632??2010-11-02?14:06??引導(dǎo)濾波器\img_enhancement\Thumbs.db
?????文件?????2880056??2010-03-05?16:09??引導(dǎo)濾波器\img_enhancement\tulips.bmp
?????目錄???????????0??2010-11-02?14:14??引導(dǎo)濾波器\img_smoothing\
?????文件???????77256??2010-02-27?16:16??引導(dǎo)濾波器\img_smoothing\cat.bmp
?????文件????????6656??2010-11-02?14:14??引導(dǎo)濾波器\img_smoothing\Thumbs.db
?????文件?????????354??2010-11-02?14:14??引導(dǎo)濾波器\程序說明.txt
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