28 December 2001 Development of goniophotometric imaging system for recording reflectance spectra of 3D objects
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Abstract
In recent years, it is required to develop a system for 3D capture of archives in museums and galleries. In visualizing of 3D object, it is important to reproduce both color and glossiness accurately. Our final goal is to construct digital archival systems in museum and internet or virtual museum via World Wide Web. To achieve our goal, we have developed gonio-photometric imaging system by using high accurate multi-spectral camera and 3D digitizer. In this paper, gonio-photometric imaging method is introduced for recording 3D object. 5-bands images of the object are taken under 7 different illuminants angles. The 5-band image sequences are then analyzed on the basis of both dichromatic reflection model and Phong model to extract gonio-photometric property of the object. The images of the 3D object under illuminants with arbitrary spectral radiant distribution, illuminating angles, and visual points are rendered by using OpenGL with the 3D shape and gonio-photometric property.
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Kazutaka Tonsho, Kazutaka Tonsho, Y Akao, Y Akao, Norimichi Tsumura, Norimichi Tsumura, Yoichi Miyake, Yoichi Miyake, } "Development of goniophotometric imaging system for recording reflectance spectra of 3D objects", Proc. SPIE 4663, Color Imaging: Device-Independent Color, Color Hardcopy, and Applications VII, (28 December 2001); doi: 10.1117/12.453008; https://doi.org/10.1117/12.453008
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