Image-based bidirectional reflectance distribution function measurement
- 1 June 2000
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 39 (16) , 2592-2600
- https://doi.org/10.1364/ao.39.002592
Abstract
We present a new image-based process for measuring a surface’s bidirectional reflectance rapidly, completely, and accurately. Requiring only two cameras, a light source, and a test sample of known shape, our method generates densely spaced samples covering a large domain of illumination and reflection directions. We verified our measurements both by tests of internal consistency and by comparison against measurements made with a gonioreflectometer. The resulting data show accuracy rivaling that of custom-built dedicated instruments.Keywords
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