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Ninth IEEE International Conference on Computer Vision (ICCV'03) - Volume 1
Shape and Motion under Varying Illumination: Unifying Structure from Motion, Photometric Stereo, and Multi-view Stereo
Nice, France
October 13-October 16
ISBN: 0-7695-1950-4
Li Zhang, University of Washington, Seattle, WA
Brian Curless, University of Washington, Seattle, WA
Aaron Hertzmann, University of Toronto, Toronto, ON
Steven M. Seitz, University of Washington, Seattle, WA
This paper presents an algorithm for computing optical flow, shape, motion, lighting, and albedo from an image sequence of a rigidly-moving Lambertian object under distant illumination. The problem is formulated in a manner that subsumes structure from motion, multi-view stereo, and photometric stereo as special cases. The algorithm utilizes both spatial and temporal intensity variation as cues: the former constrains flow and the latter constrains surface orientation; combining both cues enables dense reconstruction of both textured and texture-less surfaces. The algorithm works by iteratively estimating affine camera parameters, illumination, shape, and albedo in an alternating fashion. Results are demonstrated on videos of hand-held objects moving in front of a fixed light and camera.
Citation:
Li Zhang, Brian Curless, Aaron Hertzmann, Steven M. Seitz, "Shape and Motion under Varying Illumination: Unifying Structure from Motion, Photometric Stereo, and Multi-view Stereo," iccv, vol. 1, pp.618, Ninth IEEE International Conference on Computer Vision (ICCV'03) - Volume 1, 2003
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