Some illumination models for industrial applications of photometric stereo

Yvain Quéau; Jean-Denis Durou

doi:10.1117/12.2182921

30 April 2015 Some illumination models for industrial applications of photometric stereo

Yvain Quéau, Jean-Denis Durou

Author Affiliations +

Proceedings Volume 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015; 95341C (2015) https://doi.org/10.1117/12.2182921
Event: The International Conference on Quality Control by Artificial Vision 2015, 2015, Le Creusot, France

Abstract

Among the possible sources of error in 3D-reconstruction using the photometric stereo technique, lighting modeling is often neglected, though it can create a dramatic large-scale bias. In this paper, after recalling the physical definition of a primary Lambertian source (isotropic lightings), we show how to derive a lighting model for several real-world scenarios, including directional lightings, nearby sources and extended planar illuminants. Finally, we show how to calibrate general spatially-varying lightings within a plane, in the case where explicitly modeling the lightings would be tedious.

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Yvain Quéau and Jean-Denis Durou "Some illumination models for industrial applications of photometric stereo", Proc. SPIE 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015, 95341C (30 April 2015); https://doi.org/10.1117/12.2182921

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