Title:	BIDIRECTIONAL RAY TRACING WITH CAUSTIC PHOTON AND INDIRECT IMPHOTON MAPS
Author(s):	Andrey Zhdanov, Dmitry Zhdanov and Vladimir Galaktionov
ISBN:	978-989-8704-21-4
Editors:	Yingcai Xiao, Ajith P. Abraham and Jörg Roth
Year:	2020
Edition:	Single
Keywords:	Rendering, Ray Tracing, Photon Maps, Imphoton Maps, Caustic Illumination
Type:	Short
First Page:	212
Last Page:	216
Language:	English
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Paper Abstract:	The current article presents methods aimed at the acceleration of realistic images synthesis by bidirectional ray tracing, which is based on the simultaneous use of photon maps for caustics illumination and imphoton (visibility) maps for indirect illumination. The usage of two separate maps allows to reduce the size of the maps and as result to increase the processing speed while keeping the image quality.
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