The Effects of Micro Surface-Morphology on Bidirectional Reflection Distribution Function(BRDF) of Commercially Pure Titanium Sheets(Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)

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概要

• 論文の詳細を見る

• Bidirectional reflection distribution functions(BRDFs) of commercially pure titanium sheets with three different kinds of surface morphology were measured. Those experimental BRDFs were analyzed by using Phong's reflection model. Topographic measurements of the specimens' surfaces were performed with using a stylus-method. An explicit microfacet model based on topographic data was proposed. With using the explicit microfacet model and geometrical optics the calculated BRDFs were obtained and then compared with the experimental BRDFs. Both of them were in a good agreement. Through this comparison physical meanings of Phong's reflection model were discussed. We concluded that with using the explicit microfacet model it will be possible to calculate the BRDF of the materials' surface in arbitrary illumination conditions and that this modeling will be useful to develop new aesthetic surface appearance in material industries, computer graphics, architectural design and surface science.

• 社団法人電子情報通信学会の論文
• 2001-12-01

著者

• Ishii Mitsuo

  Titanium Div. Nippon Steel Corporation

関連論文

• The Effects of Micro Surface-Morphology on Bidirectional Reflection Distribution Function(BRDF) of Commercially Pure Titanium Sheets(Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)

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