normalized correlation between 2 images

3 次查看(过去 30 天)
hi.How can implement normalized correlation (nc) between the original watermark image and the extracted watermark .I want a function code. Please help me.

回答(1 个)

Image Analyst
Image Analyst 2015-10-31
There is a function called normxcorr2(). Try that. Not sure what you expect to see though. Anyway, I've attached a demo for the more usual case - template matching/pattern recognition.

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