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Volume: 4 | Article ID: art00125
Spectral Reflection Modeling for Image Rendering of Water Paint Surfaces
  DOI :  10.2352/CGIV.2008.4.1.art00125  Published OnlineJanuary 2008

This paper describes a method for measurement and analysis of surface reflection properties of water paints under a variety of conditions. First, a gonio-spectro photometer is used for measuring the radiance factor of a painting surface at different incidence and viewing angles. Then, we analyze the reflection properties of water paint. A 3D light reflection model is derived based on the Torrance-Sparrow model and the Oren-Nayar model. An algorithm is presented for determining the model parameters including specular coefficient, diffuse roughness, specular roughness, refractive index from the observed spectral reflectance data. Finally, we show the validity of the proposed model in experiments and render color images of water-painted objects by using the estimated parameters.

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Shogo Nishi, Shoji Tominaga, "Spectral Reflection Modeling for Image Rendering of Water Paint Surfacesin Proc. IS&T CGIV 2008/MCS'08 4th European Conf. on Colour in Graphics, Imaging, and Vision 10th Int'l Symp. on Multispectral Colour Science,  2008,  pp 581 - 584,

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