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Fabricating Microgeometry for Custom Surface Reflectance

Weyrich, T; Peers, P; Matusik, W; Rusinkiewicz, S; (2009) Fabricating Microgeometry for Custom Surface Reflectance. ACM Transactions on Graphics (Proc. SIGGRAPH 2009) , 28 (3) , Article 32. 10.1145/1576246.1531338.

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Abstract

We propose a system for manufacturing physical surfaces that, in aggregate, exhibit a desired surface appearance. Our system begins with a user specification of a BRDF, or simply a highlight shape, and infers the required distribution of surface slopes. We sample this distribution, optimize for a maximally-continuous and valley-minimizing height field, and finally mill the surface using a computer-controlled machine tool. We demonstrate a variety of surfaces, ranging from reproductions of measured BRDFs to materials with unconventional highlights.

Type:Article
Title:Fabricating Microgeometry for Custom Surface Reflectance
DOI:10.1145/1576246.1531338
Keywords:Surface Appearance, BRDF, Microfacets, Fabrication
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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