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.
A characterization of inherent stereo ambiguities
Proceedings Eighth IEEE International Conference on Computer Vision. ICCV 2001 ; 1 ; 428-435 vol.1
2001-01-01
817226 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
A Characterization of Inherent Stereo Ambiguities
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