ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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9
Issue
vol 60 / SEPTEMBER, 2017
Article
UDC 004.925.3

CONSTRUCTION OF SAH BVH TREES FOR RAY TRACING WITH THE USE OF GRAPHIC PROCESSORS

D. K. Bogolepov
Lobachevsky State University, Department of Computer Software, Nizhni Novgorod; Post-Graduate Student


D. P. Sopin
Lobachevsky State University, Department of Computer Software, Nizhni Novgorod; Assistant


D. Y. Ulyanov
Alekseev State Technical University, Department of Computer Software, Nizhni Novgorod; Student


V. E. Turlapov
Lobachevsky State University, Department of Computer Software, Nizhni Novgorod;; Professor


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Abstract. A real-time algorithm of SAH BVH trees construction on graphic processors is developed. The algorithm allows for increase the visualization effectiveness for an order of magnitude as compared with analogues.
Keywords: ray tracing, accelerating structure, SAH, BVH, dynamic scenes, graphic processor, OpenCL