%?Demo?for?paper?“Saliency?Detection?via?Graph-based?Manifold?Ranking“?
%?by?Chuan?Yang?Lihe?Zhang?Huchuan?Lu?Ming-Hsuan?Yang?and?Xiang?Ruan
%?To?appear?in?Proceedings?of?IEEE?Conference?on?Computer?Vision?and?Pattern?Recognition?（CVPR?2013）?Portland?June?2013.


addpath（‘./others/‘）;
%%------------------------set?parameters---------------------%%
theta=10;?%?control?the?edge?weight?
alpha=0.99;%?control?the?balance?of?two?items?in?manifold?ranking?cost?function
spnumber=200;%?superpixel?number
imgRoot=‘./test/‘;%?test?image?path
saldir=‘./saliencymap/‘;%?the?output?path?of?the?saliency?map
supdir=‘./superpixels/‘;%?the?superpixel?label?file?path
foredir=‘./foreground/‘;%the?foreground?map
mkdir（supdir）;
mkdir（saldir）;
mkdir（foredir）;
imnames=dir（[imgRoot?‘*‘?‘jpg‘]）;

for?ii=1:length（imnames）???
????disp（ii）;
????imname=[imgRoot?imnames（ii）.name];?
????[input_imw]=removeframe（imname）;%?run?a?pre-processing?to?remove?the?image?frame?
????[mnk]?=?size（input_im）;

%%----------------------generate?superpixels--------------------%%
????imname=[imname（1:end-4）?‘.bmp‘];%?the?slic?software?support?only?the?‘.bmp‘?image
????comm=[‘SLICSuperpixelSegmentation‘?‘?‘?imname?‘?‘?int2str（20）?‘?‘?int2str（spnumber）?‘?‘?supdir];
????system（comm）;????
????spname=[supdir?imnames（ii）.name（1:end-4）??‘.dat‘];
????superpixels=ReadDAT（[mn]spname）;?%?superpixel?label?matrix
????spnum=max（superpixels（:））;%?the?actual?superpixel?number

%%----------------------design?the?graph?model--------------------------%%
%?compute?the?feature?（mean?color?in?lab?color?space）?
%?for?each?node?（superpixels）
????input_vals=reshape（input_im?m*n?k）;
????rgb_vals=zeros（spnum13）;
????inds=cell（spnum1）;
????for?i=1:spnum
????????inds{i}=find（superpixels==i）;
????????rgb_vals（i1:）=mean（input_vals（inds{i}:）1）;
????end??
????lab_vals?=?colorspace（‘Lab<-‘?rgb_vals）;?
????seg_vals=reshape（lab_valsspnum3）;%?feature?for?each?superpixel
?
?%?get?edges
????adjloop=AdjcProcloop（superpixelsspnum）;
????edges=[];
????for?i=1:spnum
????????indext=[];
????????ind=find（adjloop（i:）==1）;
????????for?j=1:length（ind）
????????????indj=find（adjloop（ind（j）:）==1）;
????????????indext=[indextindj];
????????end
????????indext=[indextind];
????????indext=indext（（indext>i））;
????????indext=unique（indext）;
????????if（~isempty（indext））
????????????ed=ones（length（indext）2）;
????????????ed（:2）=i*ed（:2）;
????????????ed（:1）=indext;
????????????edges=[edges;ed];
????????end
????end

%?compute?affinity?matrix
????weights?=?makeweights（edgesseg_valstheta）;
????W?=?adjacency（edgesweightsspnum）;

%?learn?the?optimal?affinity?matrix?（eq.?3?in?paper）
????dd?=?sum（W）;?D?=?sparse（1:spnum1:spnumdd）;?clear?dd;
????optAff?=（D-alpha*W）\eye（spnum）;?
????mz=diag（ones（spnum1））;
????mz=~mz;
????optAff=optAff.*mz;
??
%%-----------------------------stage?1--------------------------%%
%?compute?the?saliency?value?for?each?superpix

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-27?19:17??cvprcode\
?????文件????????5599??2018-04-24?22:34??cvprcode\demo.m
?????文件????????5679??2018-04-24?22:31??cvprcode\demo1.m
?????文件????????5768??2018-04-24?22:34??cvprcode\demo2.m
?????目錄???????????0??2018-04-27?19:17??cvprcode\foreground\
?????文件????????1822??2018-04-24?22:45??cvprcode\foreground\11987_foreground.png
?????文件????????1851??2018-04-24?22:46??cvprcode\foreground\11987_foreground1.png
?????文件????????1851??2018-04-24?22:46??cvprcode\foreground\11987_foreground2.png
?????文件????????1363??2018-04-24?22:45??cvprcode\foreground\148226_foreground.png
?????文件????????1320??2018-04-24?22:46??cvprcode\foreground\148226_foreground1.png
?????文件????????1488??2018-04-24?22:46??cvprcode\foreground\148226_foreground2.png
?????文件????????1373??2018-04-24?22:45??cvprcode\foreground\149193_foreground.png
?????文件????????1220??2018-04-24?22:46??cvprcode\foreground\149193_foreground1.png
?????文件????????1110??2018-04-24?22:46??cvprcode\foreground\149193_foreground2.png
?????文件????????1938??2018-04-24?22:45??cvprcode\foreground\149563_foreground.png
?????文件????????1590??2018-04-24?22:46??cvprcode\foreground\149563_foreground1.png
?????文件????????1590??2018-04-24?22:46??cvprcode\foreground\149563_foreground2.png
?????文件????????1462??2018-04-24?22:45??cvprcode\foreground\150127_foreground.png
?????文件????????1302??2018-04-24?22:46??cvprcode\foreground\150127_foreground1.png
?????文件????????1302??2018-04-24?22:46??cvprcode\foreground\150127_foreground2.png
?????文件????????1715??2018-04-24?22:45??cvprcode\foreground\15359_foreground.png
?????文件????????1613??2018-04-24?22:46??cvprcode\foreground\15359_foreground1.png
?????文件????????1613??2018-04-24?22:46??cvprcode\foreground\15359_foreground2.png
?????文件????????1893??2018-04-24?22:45??cvprcode\foreground\159048_foreground.png
?????文件????????1801??2018-04-24?22:46??cvprcode\foreground\159048_foreground1.png
?????文件????????1517??2018-04-24?22:46??cvprcode\foreground\159048_foreground2.png
?????文件????????1914??2018-04-24?22:45??cvprcode\foreground\162962_foreground.png
?????文件????????2310??2018-04-24?22:46??cvprcode\foreground\162962_foreground1.png
?????文件????????2056??2018-04-24?22:46??cvprcode\foreground\162962_foreground2.png
?????文件????????1873??2018-04-24?22:45??cvprcode\foreground\168405_foreground.png
?????文件????????1908??2018-04-24?22:46??cvprcode\foreground\168405_foreground1.png
............此處省略428個文件信息