Fast, effective BVH updates for animated scenes

@inproceedings{Kopta2012FastEB,
  title={Fast, effective BVH updates for animated scenes},
  author={Daniel Kopta and Thiago Ize and Josef B. Spjut and Erik Brunvand and Al Davis and Andrew E. Kensler},
  booktitle={I3D},
  year={2012}
}
Bounding volume hierarchies (BVHs) are a popular acceleration structure choice for animated scenes rendered with ray tracing. This is due to the relative simplicity of refitting bounding volumes around moving geometry. However, the quality of such a refitted tree can degrade rapidly if objects in the scene deform or rearrange significantly as the animation progresses, resulting in dramatic increases in rendering times and a commensurate reduction in the frame rate. The BVH could be rebuilt on… CONTINUE READING

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