Estimating Surface Normals from Spherical Stokes Reflectance Fields

Giuseppe Claudio Guarnera¹, Pieter Peers², Paul Debevec¹, and Abhijeet Ghosh¹

¹USC Institute for Creative Technologies, Playa Vista, CA, USA

²The College of William & Mary, Williamsburg, VA, USA

Abstract. In this paper we introduce a novel technique for estimating surface normals from the four Stokes polarization parameters of specularly reflected light under a single spherical incident lighting condition that is either unpolarized or circularly polarized. We illustrate the practicality of our technique by estimating surface normals under uncontrolled outdoor illumination from just four observations from a fixed viewpoint.

LNCS 7584, p. 340 ff.

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