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1 August 1991 Color quantization aspects in stereopsis
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Proceedings Volume 1457, Stereoscopic Displays and Applications II; (1991)
Event: Electronic Imaging '91, 1991, San Jose, CA, United States
A report on the effects of quantizing stereo pairs computed for stereopsis is presented. Two methods for quantization of color images -- the octree method, which is elegant and fast, and the MaxMin method, which was designed for pseudo-random dithering -- are compared. Their application to stereo pairs, which have been computed using true color (24 bit), can cause anomalies in the resulting stereo image such as loss of depth, contradictory features leading to binocular rivalry, image discontinuities, and loss of definition. Techniques for image sampling to decrease processing time and color lookup table construction to minimize the anomalies are also discussed. A solution for quantizing stereo animations is suggested.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Prashant D. Hebbar and David F. McAllister "Color quantization aspects in stereopsis", Proc. SPIE 1457, Stereoscopic Displays and Applications II, (1 August 1991);

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