Monday, March 29, 2010

Decoding a Magic Eye image

Magic Eye images contain two images (one for each eye) that create an illusion of 3dimensionality. They are coverd with a pattern that helps you overlapping them by squinting. Is there a way to recover the original hidden image (a greyscale image where white comes towards you and black goes away from you)? I've tried Ps's Difference Mode, here are the results:

http://www.pixentral.com/show.php?picture=1RwVXelUAyoMyTb2DFKSZtcJ9Jqi1



The hidden image on the left is a flat shape (Normal view on top, Difference blending mode applied to a copy of the layer and then moved horizontally until the shape appears). The one on the right is a 3d shape and you can go from front to back through the shape by moving the top layer from left to right (or right to left). I would like to have a patternless image instead, that features all ''layers'' (not Ps Layers) of the 3d body as brightness levels (height map) similar to this:

http://linuxgazette.net/104/misc/kapil/base.png

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