Please use this identifier to cite or link to this item: https://doi.org/10.1109/TPAMI.2003.1159949
Title: When is the shape of a scene unique given its light-field: A fundamental theorem of 3D vision?
Authors: Baker, S.
Sim, T. 
Kanade, T.
Keywords: 3D shape reconstruction
Light-fields
Shape-from-silhouette
Stereo
The plenoptic function
Uniqueness
Issue Date: 2003
Source: Baker, S., Sim, T., Kanade, T. (2003). When is the shape of a scene unique given its light-field: A fundamental theorem of 3D vision?. IEEE Transactions on Pattern Analysis and Machine Intelligence 25 (1) : 100-109. ScholarBank@NUS Repository. https://doi.org/10.1109/TPAMI.2003.1159949
Abstract: The complete set of measurements that could ever be used by a passive 3D vision 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 the shape is inherently ambiguous. In particular, we show that stereo computed from the light-field is ambiguous if and only if the scene is radiating light of a constant intensity (and color, etc.) over an extended region.
Source Title: IEEE Transactions on Pattern Analysis and Machine Intelligence
URI: http://scholarbank.nus.edu.sg/handle/10635/38900
ISSN: 01628828
DOI: 10.1109/TPAMI.2003.1159949
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