This function interprets imageData as a height-map and converts it to a random dot stereogram. A random dot stereogram is an image that can be perceived as 3-dimensional by viewing it in the proper way. For more information on random dot sterograms, see http://en.wikipedia.org/wiki/Autostereogram
The algorithm used is abSIRD, published in 2004 by Lewey Geselowitz. It is a fast, in-place algorithm that is exquisitely simple to implement.
Daniel Armyr (2021). abSIRD for Matlab (https://www.mathworks.com/matlabcentral/fileexchange/27649-absird-for-matlab), MATLAB Central File Exchange. Retrieved .
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