.png Images correlation

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Farjana Yeasmin
Farjana Yeasmin 2014-12-5
回答： Image Analyst 2014-12-5
I am asked to do the correlation with two png images, but i can not do it using corr2() function, any can help me ,, with the code plz ?

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回答（1 个）

Image Analyst
Image Analyst 2014-12-5
Radiometric, or spatial? If radiometric, try psnr() - a common alternative for comparing images, for example a compressed/decompressed image with an original, never-compressed version. If spatial, try xcorr2() or normxcorr2().

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