Estimation of a 3D spectral reflection model for color image rendering

Norihiro Tanaka; Shoji Tominaga

doi:10.1117/12.464637

6 June 2002 Estimation of a 3D spectral reflection model for color image rendering

Norihiro Tanaka, Shoji Tominaga

Proceedings Volume 4421, 9th Congress of the International Colour Association; (2002) https://doi.org/10.1117/12.464637
Event: 9th Congress of the International Color Association, 2001, Rochester, NY, United States

Abstract

This paper describes a method for estimating a reflection model from a color image of an object taken by a multi-band CCD camera. The Torrance-Sparrow model is used for modeling light reflection on an object surface. We propose algorithms for estimating model parameters from a single image by the multi-band CCD camera. To estimate the surface roughness, we propose the use of the brightness image and the reflectance map in the neighborhood of a highlight peak point. An algorithm is presented for finding a particular solution of the surface orientation. The feasibility of the method is demonstrated in an experiment using a painted object. The estimation accuracy of the whole model is confirmed based on computer graphics images.

Citation Download Citation

Norihiro Tanaka and Shoji Tominaga "Estimation of a 3D spectral reflection model for color image rendering", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); https://doi.org/10.1117/12.464637

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