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Segmentation of Rough Surfaces Using a polarization Imaging System 

Patrick Terrier 1 Vincent Devlaminck 1 Jean-Michel Charbois 1
1 LAGIS-SI
LAGIS - Laboratoire d'Automatique, Génie Informatique et Signal
Abstract : A polarimetric vision system yielding a roughness-segmentation-based image is described. As a general principle, the bidirectional reflectance distribution function (BRDF) of a surface is assumed to be related to its local irregularities, i.e., its roughness. This BRDF is seen as the sum of a specular and a diffuse component. In this paper we propose to introduce polarization measurements in order to estimate this roughness parameter without requiring any assumption for the model of the diffuse component, nor is diffuse-specular separation required. Moreover, with the proposed method, the refractive indices of the observed objects are estimated at each pixel. Examples are given for quality control applications.
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Submitted on : Friday, March 9, 2012 - 6:33:18 PM
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Patrick Terrier, Vincent Devlaminck, Jean-Michel Charbois. Segmentation of Rough Surfaces Using a polarization Imaging System . Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 2008, 25 (2), pp.423- 430. ⟨hal-00648855⟩

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