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Kopta, Daniel M.; Kensler, Andrew Erin; Spjut, Josef Bo; Brunvand, Erik L.; Davis, Al | Fast, effective BVH updates for dynamic ray-traced scenes using tree rotations | Bounding volume hierarchies are a popular choice for ray tracing animated scenes 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 ... | Ray tracing; Acceleration structures; Bounding volume hierarchies; Tree rotations; Dynamic scenes; Parallel update | 2011 |