Dynamic Scenes Management for Animation with Ray-Tracing Rendering

Moisan, B.; Jessel, Jean-Pierre; Duthen, Yves; Caubet, René

doi:10.1007/978-4-431-66890-9_15

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Temporal Coherence Between Scenes1

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1992

1993

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Cited by 5 publications

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“…In some cases, this treatment is too time-consuming in front of the rendering time. A solution is presented in [13] to incrementally modify, between frames, the accelerating data structure used in a regular space subdivision on a parallel architecture of 36 transputers.…”

Section: Temporal Coherence Between Scenesmentioning

confidence: 99%

A 4D Ray Tracing

Duthen

Caubet

1993

Computer Graphics Forum

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We are going to present a survey of techniques using temporal coherence in between frames to render animation sequences with ray tracing. A new method using temporal coherence in the ray space (lightpath of rays) is proposed. The goal of this technique is to factorize intersection and illumination calculations over the frames of the sequence. An optical event springing out many times in the sequence is computed once. The method is based upon 4D intersection calculations between temporal rays and moving objects. At the end of this paper, we present measurements showing the number of rays we need not calculate with our solution. These results come from simulating the algorithm behavior through a graphic and statistic ray analyser tool.

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Section: Temporal Coherence Between Scenesmentioning

confidence: 99%