Index Random Dot Stereograms Textured Stereograms 1 - 2 - 3 Animated Stereogram


Textured Stereograms - 1

Once I had calculated the corresponding points for a random dot stereogram, it was a small step to tie these points to a textured image. Initially, I generated the points from left to right as the basic algorithm says. This gave images like this:


(Click on image to view depth map)

As you can see, the texture starts off pretty much unchanged on the right side. As the stereogram progresses from left to right, however, the cumulative depth displacements make the texture pretty warped. To minimize this warping, I changed the order in which I generated the corresponding points. Instead, I started in the middle of the image and worked to the right side. Then I went from the middle to the left, sampling the depths and projecting to points into the already generated right hand side to find the correct color. This method forces the texture to be unwarped in the center, and the cumulative displacements can only be half as much before, as you can see on the following image:



The depth information conveyed by both stereograms is exactly the same, but the bottom one looks better when being viewied as 2d.


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