what's wrong with this picture

when looking at this picture some people see a scary man and other people see a woman laughing
with a half closed eyes you will see the difference. or try with one open eye and close and open it fast to see the difference

https://ibb.co/mWTSSw

Detail.

With half closed eyes you lose “resolution” (information), your vision gets a bit blurry and your brain relies on the larger areas of brightness difference rather than including/registering the more subtle grayscale values you see when your eyes are fully open. Pattern recognition and interpolation do the rest…

Nothing wrong. It’s a mix, here the woman smiling in the background:


You use a filter like Wavelet Decompose filter for GIMP:
https://www.google.com/search?q=gimp+wavelet+decompose

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