Stereograms: Decoding an image from a pattern [closed]

Warning

This answer will not attempt to solve this programatically … Instead it focuses on letting Matlab do the eye crossing* for you however you still need to decide how far* to cross them…

* this terminology sounds wrong but I’m just going to go with it

Method

Simply shifting the image and subtracting it from the original should give reasonable results, choosing the shift however is the tricky part, but once you know it something as simple as imData-circshift(imData,[shiftY,shiftX,0]) should give a good image…

Here is a crude but simple GUI wrapper for the line of code above… (just run the function with an image file name as an argument)

It doesn’t give great results for the given image but it works better on some of these

Example

Initial Image

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