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Optical Engineering • Open Access

Surface normal estimation of black specular objects from multiview polarization images
Author(s): Daisuke Miyazaki; Takuya Shigetomi; Masashi Baba; Ryo Furukawa; Shinsaku Hiura; Naoki Asada

Paper Abstract

Polarization is a phenomenon that cannot be observed by the human eye, but it provides rich information regarding scenes. The proposed method estimates the surface normal of black specular objects through polarization analysis of reflected light. A unique surface normal cannot be determined from a polarization image observed from a single viewpoint; thus, we observe the object from multiple viewpoints. To analyze the polarization state of the reflected light at the corresponding points when observed from multiple viewpoints, the abstract shape is predetermined using a space carving technique. Unlike a conventional photometric stereo or multiview stereo, which cannot estimate the shape of a black specular object, the proposed method estimates the surface normal and three-dimensional coordinates of black specular objects via polarization analysis and space carving.

Paper Details

Date Published: 30 September 2016
PDF: 17 pages
Opt. Eng. 56(4) 041303 doi: 10.1117/1.OE.56.4.041303
Published in: Optical Engineering Volume 56, Issue 4
Show Author Affiliations
Daisuke Miyazaki, Hiroshima City Univ. (Japan)
Takuya Shigetomi, Hiroshima City Univ. (Japan)
Masashi Baba, Hiroshima City Univ. (Japan)
Ryo Furukawa, Hiroshima City Univ. (Japan)
Shinsaku Hiura, Hiroshima City Univ. (Japan)
Naoki Asada, Hiroshima City Univ. (Japan)

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