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Miloslav Ciz 2025-05-08 20:41:37 +02:00
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autostereogram.md
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@ -8,7 +8,7 @@ TODO
## Random Dot Autostereograms
The "random dot" technique gives rise to an especially [interesting](interesting.md) type of autostereogram -- one whose creation can easily be automatized with a program and which lets us embed any depth image (or *[heightmap](heightmap.md)*) into an image that consists of some repeating base pattern. And yes, it can even be animated! The pattern image may in theory be anything, even a photo, but it should have great variety, high frequencies and big contrast to work properly, so the typical pattern is just randomly generated color dots. This pattern is then horizontally deformed according to the embedded depth image. A disadvantage is, of course, that we can only embed the depth image, we cannot give it any texture.
The "random dot" technique gives rise to an especially [interesting](interesting.md) type of autostereogram -- one whose creation can easily be automated with a program and which lets us embed any depth image (or *[heightmap](heightmap.md)*) into an image that consists of some repeating base pattern. And yes, it can even be animated! The pattern image may in theory be anything, even a photo, but it should have great variety, high frequencies and big contrast to work properly, so the typical pattern is just randomly generated color dots. This pattern is then horizontally deformed according to the embedded depth image. A disadvantage is, of course, that we can only embed the depth image, we cannot give it any texture.
TODO: more detail