Voxel Occlusion Testing: A Shadow Determination Accelerator for Ray Tracing
Andrew Woo, John Amanatides
Graphics Interface '90, May 1990, pp. 213--220.
Abstract: A shadow determination accelerator for ray tracing is presented. It is built on top of the uniform voxel traversal grid structure. The accelerator proves to be rather efficient, requires little additional memory and the worst case scenario per shadow determination just reduces down to traditional voxel traversal. It can also be extended to model linear, area lights, as well as atmospheric shadows.
Keyword(s): grid, intersection culling, occlusion, penumbra, ray tracing, shadows, umbra, voxel traversal
@inproceedings{Woo:1990:VOT,
author = {Andrew Woo and John Amanatides},
title = {Voxel Occlusion Testing: A Shadow Determination Accelerator for Ray Tracing},
booktitle = {Graphics Interface '90},
pages = {213--220},
month = may,
year = {1990},
}
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