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Proceedings Paper

Simulation of the BSDF measurement capabilities for various materials with GCMS-4 gonio-spectrophotometer
Author(s): Dmitry D. Zhdanov; Igor S. Potemin; Vadim G. Sokolov; Alexey A. Garbul; Alexey G. Voloboy; Vladimir A. Galaktionov
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Paper Abstract

Physically accurate lighting simulation requires precise account of the optical properties (BSDF) which are usually measured using gonio-spectrophotometer. In this paper, the authors analyzed the accuracy of BSDF shape measured for later use of measurements in special software for photorealistic visualization and virtual prototyping. Visual and numerical analysis were done. In the first case we look at the sample image rendered under specified lighting conditions, replacing its properties on measurement results and visually estimate the similarity (or difference). In the second case we compare the results of simulation of spatial or angular radiance distribution with results of corresponding radiometric measurements.

Paper Details

Date Published: 31 October 2016
PDF: 10 pages
Proc. SPIE 10021, Optical Design and Testing VII, 1002116 (31 October 2016); doi: 10.1117/12.2245739
Show Author Affiliations
Dmitry D. Zhdanov, ITMO Univ. (Russian Federation)
Igor S. Potemin, ITMO Univ. (Russian Federation)
Vadim G. Sokolov, M. V. Keldysh Institute of Applied Mathematics (Russian Federation)
Alexey A. Garbul, S.I. Vavilov State Optical Institute (Russian Federation)
Alexey G. Voloboy, M. V. Keldysh Institute of Applied Mathematics (Russian Federation)
Vladimir A. Galaktionov, M. V. Keldysh Institute of Applied Mathematics (Russian Federation)

Published in SPIE Proceedings Vol. 10021:
Optical Design and Testing VII
Yongtian Wang; Tina E. Kidger; Kimio Tatsuno, Editor(s)

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