Example-based
Photometric Stereo
Aaron Hertzmann
University of Toronto

Shiny things

Problem definition
Estimate 3D shape by varying illumination, fixed camera
Operating conditions
any opaque material
distant camera, lighting
reference object available
single material (will relax later...)
no shadows, interreflections, transparency

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Virtual views

Velvet

Virtual Views

Brushed Fur

Virtual Views

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Linear combinations of materials

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Virtual views

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