function?[I_SSDI_NCCIdata]=template_matching（TIIdataIn）
%?TEMPLATE_MATCHING?is?a?cpu?efficient?function?which?calculates?matching?
%?score?images?between?template?and?an?（color）?2D?or?3D?image.
%?It?calculates:
%?-?The?sum?of?squared?difference?（SSD?Block?Matching）?robust?template
%???matching.
%?-?The?normalized?cross?correlation?（NCC）?independent?of?illumination
%???only?dependent?on?texture
%?The?user?can?combine?the?two?images?to?get?template?matching?which
%?works?robust?with?his?application.?
%?Both?measures?are?implemented?using?FFT?based?correlation.
%
%???[I_SSDI_NCCIdata]=template_matching（TIIdata）
%
%?inputs
%???T?:?Image?Template?can?be?grayscale?or?color?2D?or?3D.
%???I?:?Color?image?can?be?grayscale?or?color?2D?or?3D.
%??（optional）
%???Idata?:?Storage?of?temporary?variables?from?the?image?I?to?allow?
%???????????faster?search?for?multiple?templates?in?the?same?image.
%
%?outputs
%???I_SSD:?The?sum?of?squared?difference?2D/3D?image.?The?SSD?sign?is
%??????????reversed?and?normalized?to?range?[0?1]?
%???I_NCC:?The?normalized?cross?correlation?2D/3D?image.?The?values
%??????????range?between?0?and?1
%???Idata?:?Storage?of?temporary?variables?from?the?image?I?to?allow?
%???????????faster?search?for?multiple?templates?in?the?same?image.
%
%?Example?2D
%???%?Find?maximum?response
%????I?=?im2double（imread（‘lena.jpg‘））;
%???%?Template?of?Eye?Lena
%????T=I（124:140124:140:）;
%???%?Calculate?SSD?and?NCC?between?Template?and?Image
%????[I_SSDI_NCC]=template_matching（TI）;
%???%?Find?maximum?correspondence?in?I_SDD?image
%????[xy]=find（I_SSD==max（I_SSD（:）））;
%???%?Show?result
%????figure?
%????subplot（221）?imshow（I）;?hold?on;?plot（yx‘r*‘）;?title（‘Result‘）
%????subplot（222）?imshow（T）;?title（‘The?eye?template‘）;
%????subplot（223）?imshow（I_SSD）;?title（‘SSD?Matching‘）;
%????subplot（224）?imshow（I_NCC）;?title（‘Normalized-CC‘）;
%
%?Example?3D
%???%?Make?some?random?data
%????I=rand（506050）;
%???%?Get?a?small?volume?as?template
%????T=I（20:3020:3020:30）;
%???%?Calculate?SDD?between?template?and?image
%????I_SSD=template_matching（TI）;
%???%?Find?maximum?correspondence
%????[xyz]=ind2sub（size（I_SSD）find（I_SSD==max（I_SSD（:））））;
%????disp（x）;
%????disp（y）;
%????disp（z）;
%
%?Function?is?written?by?D.Kroon?University?of?Twente?（February?2011）

if（nargin<3）?IdataIn=[];?end

%?Convert?images?to?double
T=double（T）;?I=double（I）;
if（size（T3）==3）?
????%?Color?Image?detected
????[I_SSDI_NCCIdata]=template_matching_color（TIIdataIn）;
else
????%?Grayscale?image?or?3D?volume
????[I_SSDI_NCCIdata]=template_matching_gray（TIIdataIn）;
end

function?[I_SSDI_NCCIdata]=template_matching_color（TIIdataIn）
if（isempty（IdataIn））?IdataIn.r=[];??IdataIn.g=[];?IdataIn.b=[];??end
%?Splite?color?image?and?do?template?matching?on?RG?and?B?image
[I_SSD_RI_NCC_RIdata.r]=template_matching_gray（T（::1）I（::1）IdataIn.r）;
[I_SSD_GI_NCC_GIdata.g]=t

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????10757??2011-02-22?16:07??lena.jpg
?????文件????????1335??2011-02-22?11:05??license.txt
?????文件????????5910??2011-02-22?16:48??template_matching.m