KEM 2009 DOI: 10.4028/www.scientific.net/kem.407-408.723 View full text
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Tadanori Sugino, Yumi Satozono, Yasuo Yamane

Abstract: Gloss evaluation of a metal surface is important for the quality as the product. In general, gloss of a metal surface is influenced by specular reflection of light on the surface. Therefore to evaluate the specular reflection is almost the same as the evaluation of the gloss. We propose the method to evaluate the specular reflection using patterned area illumination. In the specular reflection, the angle of incidence is equal to the angle of reflection. Consequently when lights (rays) of the area illumination …

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