Gloss measurements - PowerPoint PPT Presentation

Measuring BRDFs

Measuring BRDFs. Why bother modeling BRDFs? Why not directly measure BRDFs?. True knowledge of surface properties Accurate models for graphics. Measure, measure, measure: BRDF, BTF, Light Fields. Thanks to Steve Marschner, Shree Nayar, Ravi Ramamoorthi,

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BRDF Measurement

BRDF Measurement. Source  src  src. Detector  det  det. Definition of BRDF. Key point: BRDF is a differential quantity, so limit must exist. Source  src  src. Detector  det  det. Definition of BRDF. First attempt:. Source  src  src. Detector  det  det.

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