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Proceedings Paper

Microgeometry capture and RGB albedo estimation by photometric stereo without demosaicing
Author(s): Yvain Quéau; Mathieu Pizenberg; Jean-Denis Durou; Daniel Cremers
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Paper Abstract

We present a photometric stereo-based system for retrieving the RGB albedo and the fine-scale details of an opaque surface. In order to limit specularities, the system uses a controllable diffuse illumination, which is calibrated using a dedicated procedure. In addition, we rather handle RAW, non-demosaiced RGB images, which both avoids uncontrolled operations on the sensor data and simplifies the estimation of the albedo in each color channel and of the normals. We finally show on real-world examples the potential of photometric stereo for the 3D-reconstruction of very thin structures from a wide variety of surfaces.

Paper Details

Date Published: 14 May 2017
PDF: 7 pages
Proc. SPIE 10338, Thirteenth International Conference on Quality Control by Artificial Vision 2017, 103380O (14 May 2017); doi: 10.1117/12.2266080
Show Author Affiliations
Yvain Quéau, Technische Univ. München (Germany)
Mathieu Pizenberg, Univ. de Toulouse, IRIT, CNRS (France)
Jean-Denis Durou, Univ. de Toulouse, IRIT, CNRS (France)
Daniel Cremers, Technische Univ. München (Germany)

Published in SPIE Proceedings Vol. 10338:
Thirteenth International Conference on Quality Control by Artificial Vision 2017
Hajime Nagahara; Kazunori Umeda; Atsushi Yamashita, Editor(s)

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