MATLAB: Multidimensional scaling, Euclidean distance

Image Processing Toolboxmultidimensional scaling

hi, if i have an image how can i calculate the euclidean distance matrix for the image, it's the second step for multidimensional scaling algorithm.

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Use bwdist().

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MATLAB: Image classification using fourier transform

If you want the max, call max():

fftMagnitude = abs(fftshift(fftA));
maxValue = max(fftMagnitude(:));

Doing that will not find two images that match though. Unless they match exactly, i.e. it's the very same image.

For what it's worth, I've attached assorted fft demo programs, though they aren't doing image matching like you want. You might use immse() or psnr() or something like that if you want to find matching images. Though that won't do CBIR if that's what you're after.

MATLAB: How to find euclidean distance

pix_1 = [p11,p12];
pix_2 = [p21,p22];
distance = sqrt( (p21-p11)^2 + (p22-p12)^2 );

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MATLAB: Image classification using fourier transform

MATLAB: How to find euclidean distance

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