Fast and reliable collision culling using graphics hardware

IEEE Transactions on Visualization and Computer Graphics
Naga K GovindarajuDinesh Manocha

Abstract

We present a reliable culling algorithm that enables fast and accurate collision detection between triangulated models in a complex environment. Our algorithm performs fast visibility queries on the GPUs for eliminating a subset of primitives that are not in close proximity. In order to overcome the accuracy problems caused by the limited viewport resolution, we compute the Minkowski sum of each primitive with a sphere and perform reliable 2.5D overlap tests between the primitives. We are able to achieve more effective collision culling as compared to prior object-space culling algorithms. We integrate our culling algorithm with CULLIDE [1] and use it to perform reliable GPU-based collision queries at interactive rates on all types of models, including nonmanifold geometry, deformable models, and breaking objects.

References

Feb 6, 2004·Theriogenology·Swamynathan Rajanarayanan, Govindaraju Archunan
Oct 16, 2004·American Journal of Physiology. Heart and Circulatory Physiology·Vasanthi GovindarajuMichael E Ward

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Citations

Aug 21, 2007·Computer Methods and Programs in Biomedicine·Kai XieY M Zhu
Aug 18, 2010·IEEE Transactions on Visualization and Computer Graphics·Charlie C L Wang
Aug 1, 2007·Physics in Medicine and Biology·Fang Xu, Klaus Mueller

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