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- W18042967 abstract "In this paper we propose using planar and spherical Bernstein polynomials over triangular domain for radiative transfer computations. In the planar domain, we propose using piecewise Bernstein basis functions and symmetric Gaussian quadrature formulas over triangular elements for high quality radiosity solution. In the spherical domain, we propose using piecewise Bernstein basis functions over a geodesic triangulation to represent the radiance function. The representation is intrinsic to the unit sphere, and may be efficiently stored, evaluated, and subdivided by the de Casteljau algorithm. The computation of other fundamental radiometric quantities such as vector irradiance and reflected radiance may be reduced to the integration of the piecewise Bernstein basis functions on the unit sphere. The key result of our work is a simple geometric integration algorithm based on adaptive domain subdivision for the Bernstein-Bezier polynomials over a geodesic triangle on the unit sphere. Comments University of Pennsylvania Department of Computer and Information Science Technical Report No. MSCIS-96-01. This technical report is available at ScholarlyCommons: http://repository.upenn.edu/cis_reports/223 Bernst ein Polynomials for Radiative Transfer Computations Min-Zhi Shao Norman I. Badler University of Pennsylvania School of Engineering and Applied Science Computer and Information Science Department Philadelphia, PA 19104-6389 Bernstein Polynomials for Radiative Transfer Computations Min-Zhi Shao and Norman I. Badler Department of Computer and Information Science University of Pennsylvania January 1996 Technical Report MS-CIS-96-01" @default.
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- W18042967 date "1996-01-01" @default.
- W18042967 modified "2023-09-26" @default.
- W18042967 title "Bernstein Polynomials for Radiative Transfer Computations" @default.
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