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BSDF acquisition and analysis of paper


This thesis details the acquisition and analysis of Bidirectional Scattering Distribution Function (BSDF) measurements for paper. Although paper is typically perceived to be a simple, diffuse material, it is instead very complex and consists of multiple properties. The BSDF measurements reveal that paper is a rough material that showcases specular reflection, retroreflection, and subsurface scattering, and these features can vary for different sides of the same sheet of paper. While these characteristics make paper one of the most interesting materials available, its structure has never been thoroughly investigated in appearance modeling research, nor has detailed BSDF data been supplied for it in existing measurement databases. This thesis provides in- depth documentation of various BSDF measurements for paper and supplies this data through the UCSD BSDF Database, which is publicly available for others to access and benefit from. These measurements also supplement a larger project involving the derivation of the Paper BSDF, a physically-based appearance model for paper-like materials, thus showing how this data is applicable for realistic image synthesis

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