%?average?=?avgHist（imagesmask）
%?
%?Averages?the?histograms?across?a?set?of?grayscale?images
%
%?INPUT:
%?（1）?images:?a?cell?（1xN?or?Nx1）?that?contains?N?source?image?matrices
%??????Example?1:?
%???????images?=?cell（31）;?
%???????images{1}?=?pic1;?
%???????images{2}?=?pic2;
%???????images{3}?=?pic3;
%??????Example?2:?
%???????[imagesN]?=?readImages（pathnameimformat）;
%?（2）?mask:?optional;?can?be?a?single?matrix?（of?the?same?size?as?the?
%?????pictures）?or?a?cell?of?N?matrices;?mask?contains?ones?where?the
%?????histograms?are?obtained?（e.g.?foreground）?and?zeros?elsewhere??
%
%?OUTPUT:
%?（1）?average:?average?histogram?（vector）

%?------------------------------------------------------------------------
%?SHINE?toolbox?May?2010
%?（c）?Verena?Willenbockel?Javid?Sadr?Daniel?Fiset?Greg?O.?Horne
%?Frederic?Gosselin?James?W.?Tanaka
%?------------------------------------------------------------------------
%?Permission?to?use?copy?or?modify?this?software?and?its?documentation
%?for?educational?and?research?purposes?only?and?without?fee?is?hereby
%?granted?provided?that?this?copyright?notice?and?the?original?authors‘
%?names?appear?on?all?copies?and?supporting?documentation.?This?program
%?shall?not?be?used?rewritten?or?adapted?as?the?basis?of?a?commercial
%?software?or?hardware?product?without?first?obtaining?permission?of?the
%?authors.?The?authors?make?no?representations?about?the?suitability?of
%?this?software?for?any?purpose.?It?is?provided?“as?is“?without?express
%?or?implied?warranty.
%
%?Please?refer?to?the?following?paper:
%?Willenbockel?V.?Sadr?J.?Fiset?D.?Horne?G.?O.?Gosselin?F.
%?Tanaka?J.?W.?（2010）.?Controlling?low-level?image?properties:?The
%?SHINE?toolbox.?Behavior?Research?Methods?42?671-684.
%
%?Kindly?report?any?suggestions?or?corrections?to?verena.vw@gmail.com
%?------------------------------------------------------------------------

function?average?=?avgHist（imagesmask）

if?iscell（images）==?0
????error（‘The?input?must?be?a?cell?of?image?matrices.‘）
elseif?min（size（images）>1）
????error（‘The?input?cell?must?be?of?size?1?x?numim?or?numim?x?1.‘）
end

if?nargin?>?1
????if?iscell（mask）?==?0
????????m?=?mask;
????elseif?max（size（mask））~=max（size（images））?||?min（size（mask））~=min（size（images））
????????error（‘The?size?of?the?input?cells?must?be?equal.‘）
????end
end

numim?=?max（size（images））;
pixels?=?0;
for?im?=?1:numim
????if?ndims（images{im}）?==?3
????????images{im}?=?rgb2gray（images{im}）;
????end
????im1?=?images{im};
????if?nargin?>?1
????????if?iscell（mask）?==?1
????????????m?=?mask{im};
????????end
????????if?sum（size（m）~=size（im1））?>?0
????????????error（‘The?size?of?the?mask?must?equal?the?size?of?the?image.‘）
????????elseif?numel（m（m==1））==0
????????????error（‘The?mask（s）?must?contain?some?ones.‘）
????????end
????????counts?=?imhist（im1（m==1））;
????else
????????counts?=?imhist（im1）;
????end
????pixels?=?pixels+counts;
end
a

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-11-30?13:54??SHINEtoolbox\
?????文件????????3033??2010-11-26?11:17??SHINEtoolbox\avgHist.m
?????文件????????1602??2010-11-26?11:17??SHINEtoolbox\getRMSE.m
?????文件????????1886??2010-11-26?11:17??SHINEtoolbox\hist2list.m
?????文件????????4480??2010-11-26?11:18??SHINEtoolbox\histMatch.m
?????文件????????3677??2010-11-26?11:18??SHINEtoolbox\imstats.m
?????文件????????5137??2010-11-26?11:18??SHINEtoolbox\lumMatch.m
?????文件????????2607??2010-11-26?11:18??SHINEtoolbox\match.m
?????文件????????2460??2010-11-26?11:19??SHINEtoolbox\readImages.m
?????文件????????2973??2010-11-26?11:19??SHINEtoolbox\rescale.m
?????文件????????2700??2010-11-29?15:22??SHINEtoolbox\separate.m
?????文件????????3846??2010-11-30?13:25??SHINEtoolbox\sfMatch.m
?????文件????????2300??2010-11-30?11:59??SHINEtoolbox\sfPlot.m
?????文件???????14411??2010-11-26?11:19??SHINEtoolbox\SHINE.m
?????文件????????3258??2010-11-26?11:20??SHINEtoolbox\specMatch.m
?????文件????????1911??2010-11-29?16:11??SHINEtoolbox\spectrumPlot.m
?????文件????????5726??2010-11-26?11:11??SHINEtoolbox\ssim_index.m
?????文件????????2006??2010-11-26?11:11??SHINEtoolbox\ssim_sens.m
?????文件????????3111??2010-11-26?11:21??SHINEtoolbox\tarhist.m
?????目錄???????????0??2010-11-30?13:54??SHINEtoolbox\SHINE_TEMPLATE\
?????目錄???????????0??2010-11-30?13:54??SHINEtoolbox\SHINE_OUTPUT\
?????目錄???????????0??2010-11-30?13:54??SHINEtoolbox\SHINE_INPUT\
?????文件???????78436??2010-11-26?11:11??SHINEtoolbox\SHINE_INPUT\scene1.tif
?????文件???????78972??2010-11-26?11:11??SHINEtoolbox\SHINE_INPUT\scene2.tif
?????目錄???????????0??2010-11-30?13:54??SHINEtoolbox\SHINE_INPUT\More?sample?images\
?????文件???????74192??2010-11-26?11:11??SHINEtoolbox\SHINE_INPUT\More?sample?images\Car41.tif
?????文件???????73960??2010-11-26?11:11??SHINEtoolbox\SHINE_INPUT\More?sample?images\chair20.tif
?????文件???????73984??2010-11-26?11:11??SHINEtoolbox\SHINE_INPUT\More?sample?images\face14a.tif