The role of rendering in the competence project in measurement science for optical reflection and scattering

(22.) James T. Kajiya. The rendering equation, in Computer Graphics, Annual Conference Series, ACM SIGGRAPH (1986) pp. 143-150.

(23.) A. J. Walker, An efficient method for generating discrete random variables with general distributions, ACM Trans. Math. Software 3, 253-256 (1977).

(24.) M. E. McKnight, M. Nadal E. Marx, T. V. Vorburger, and M. A. Galler, Measurements and predictions of light scattering by clear epoxy coatings, Appl. Opt., 40(13), 2159-2168 (2001).

(25.) F. Y. Hunt, E. Marx, G. W. Meyer, T. V. Vorburger, P. A. Walker, and H. B. Westlund, A first step towards photorealistic rendering of coated surfaces and computer based standards of appearance, J. W. Martin and D. R. Bauer, eds., Service Life Methodology and Metrology, Oxford University Press (2001).

(26.) ASTM D 523-89, Standard Test Method for Specular Gloss, Volume 06.01 of Annual Book of ASTM Standards (1999). See Ref. (30).

(27.) ASTM E 430-97, Standard Test Methods for measurement of Gloss of High-Gloss Surfaces by Goniophotometry. Volume 06.01 of Annual Book of ASTM Standards (1999). See Ref. (30).

(28.) Harold B. Westlund and Gary W. Meyer Applying appearance standards to light reflection models, in Computer Graphics, Annual Conference Series, ACM SIGGRAPH (2001).

(29.) Allan B. J. Rodrigues. Color and appearance measurement of metallic and pearlescent finishes, ASTM Standardization News 23(10), 68-72 (1995).

(30.) Annual Book of ASTM Standards, Volume 06.01, American Society for Testing and Materials, Philadelphia, PA (1999).

About the authors: Harold B. Westlund is a graphics research programmer at Radical Entertainment in Vancouver, Canada. His main interest is developing and incorporating advanced lighting algorithms in real time computer games. Gary W Meyer is an Associate Professor in the Department of Computer Science and Engineering at the University of Minnesota. His research interests include the synthesis of color in computer graphic pictures, perceptual issues related to synthetic image generation, and color reproduction and color selection for the human computer interface. Fern Y. Hunt is a mathematician in the Mathematical and Computational Sciences Division of the Information Technology Laboratory. She is interested in the applications of probability modeling and Monte Carlo methods to material science. The National Institute of Standards and Technology is an agency of the Technology Administration, U.S. Department of Commerce.

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