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Spectral Reflection Modeling for Image Rendering of Water Paint Surfaces

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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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Document Type: Research Article

Publication date: January 1, 2008

More about this publication?
  • Started in 2002 and merged with the Color and Imaging Conference (CIC) in 2014, CGIV covered a wide range of topics related to colour and visual information, including color science, computational color, color in computer graphics, color reproduction, volor vision/psychophysics, color image quality, color image processing, and multispectral color science. Drawing papers from researchers, scientists, and engineers worldwide, DGIV offered attendees a unique experience to share with colleagues in industry and academic, and on national and international standards committees. Held every year in Europe, DGIV papers were more academic in their focus and had high student participation rates.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual papers for details.

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