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DFM
To Sia☺giah: How to detect and analyze photoshopped im
Mon Jan 9, 2017 10:48am
2602:30a:2c0c:99d0:ddcd:d14f:633e:3ec4

First download an image editor. I prefer the all-free Paint Dot Net available here: http://www.dotpdn.com/downloads/pdn.html

Resize the images to identical widths. Test by superposition, repeating until they fit EXACTLY.

"Invert colors" for one of the images. Superpose them, with the inverted image on the top and both layers set to 50% opacity.

Now, if the images are identical, you will have a uniformly gray rectangle.

Any deviations from absolute identity will appear clearly, and I DO mean clearly.

DFM

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