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A characterization of inherent stereo ambiguities

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3 Author(s)
Baker, S. ; Robotics Inst., Carnegie Mellon Univ., Pittsburgh, PA, USA ; Sim, T. ; Kanade, T.

The complete set of measurements that could ever be used by a stereo algorithm is the plenoptic function or light-field. We give a concise characterization of when the light-field of a Lambertian scene uniquely determines its shape, and, conversely, when stereo is inherently ambiguous. We show that stereo computed from the complete light-field is ambiguous if and only if the scene is radiating light of a constant intensity (and color) over an extended region

Published in:
Computer Vision, 2001. ICCV 2001. Proceedings. Eighth IEEE International Conference on  (Volume:1 )

Date of Conference: 2001

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