Accelerating ray-tracing using proxy polygons

Residential College	false
Status	已發表Published
	Accelerating ray-tracing using proxy polygons
	Huang P.-J.1; Wang W.-C.1; Yang G.1; Wu E.-H.1
	2007-02-01
Source Publication	Jisuanji Xuebao/Chinese Journal of Computers
ISSN	02544164
Volume	30 Issue:2 Pages:262-271
Abstract	This paper presents a novel scheme for accelerating ray tracing. By the scheme, several large rectangular proxy polygons are generated in a scene, and a field is constructed for each point on the proxy polygons to keep track of the facets intersected by the rays that arrive at that point from different directions. In the ray-tracing stage, the nearest proxy polygon in the path of a ray is rather easy to find, due to the regularity feature and the small number of proxy polygons constructed. By simply querying the stored data on the proxy polygon, the target facet of the ray is immediately picked out from numerous scene primitives. Compared with existing techniques, besides primary rays and shadow rays, the proposed approach accelerates the calculation of secondary rays by reflection and refraction. The method also facilitates the GPU implementation, and enables the handling of dynamic scenes efficiently.
Keyword	Dynamic scene Graphics Processing Units (GPU) Pre-computation Proxy Ray tracing
URL	View the original
Language	英語English
Fulltext Access	View Full-Text via Scopus
Document Type	Journal article
Collection	University of Macau
Affiliation	1.Institute of Software Chinese Academy of Sciences 2.Universidade de Macau 3.Beijing Forestry University 4.University of Chinese Academy of Sciences
Recommended Citation GB/T 7714	Huang P.-J.,Wang W.-C.,Yang G.,et al. Accelerating ray-tracing using proxy polygons[J]. Jisuanji Xuebao/Chinese Journal of Computers, 2007, 30(2), 262-271.
APA	Huang P.-J.., Wang W.-C.., Yang G.., & Wu E.-H. (2007). Accelerating ray-tracing using proxy polygons. Jisuanji Xuebao/Chinese Journal of Computers, 30(2), 262-271.
MLA	Huang P.-J.,et al."Accelerating ray-tracing using proxy polygons".Jisuanji Xuebao/Chinese Journal of Computers 30.2(2007):262-271.

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