matlab图像自相关互相关Word文件下载.doc
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,'
bmp'
);
%Inputimage1(referenceimage)
I1=I1(:
:
1);
figure
(1)%displayinginputimage1
colormap(gray(255));
image(I1)
axisoff
FI1=fft2(I1);
max1=max(FI1);
max2=max(max1);
scale=1.0/max2;
FI1=FI1.*scale;
I2=imread('
%Inputimage2(imagetoberecognized)
I2=I2(:
figure
(2)%displayinginputimage2
image(I2)
FI2=fft2(I2);
max1=max(FI2);
FI2=FI2.*scale;
FPR=FI1.*conj(FI2);
%calculatingcorrelation
PR=ifft2(FPR);
PR=fftshift(PR);
max1=max(PR);
PR=PR.*scale;
figure(3)%displayofcorrelationinspatialdomain
image(abs(256*PR));
%图像的互相关
triangle.bmp'
A=zeros(138,133);
A=I2(1:
138,1:
133);
A=A(:
image(A)
FI2=fft2(A);