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1. Re: Find the exact difference between 2 layers
c.pfaffenbichler Feb 15, 2011 11:09 PM (in response to Joergen Geerds)It might be that as photographic images they have such a large amount of practically imperceptible differences (noise) that they actually share no truly identical pixels.
But I guess the Blending Mode Difference might still turn up something in one or more of the channels that could be tweaked – could you post clippings or lores versions of the two images?
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2. Re: Find the exact difference between 2 layers
PECourtejoie Feb 15, 2011 11:54 PM (in response to Joergen Geerds)Hello!
I would superpose the images, set the top one to the Subtract blending mode. Maybe use levels to push the whites to the left, then create a channel out of it.




