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A Characterization of Inherent Stereo Ambiguities
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@MISC{_acharacterization,
author = {},
title = {A Characterization of Inherent Stereo Ambiguities},
year = {}
}
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Abstract
The complete set of measurements that could ever be used by a stereo algorithm is the plenoptic function or lightfield. We give a concise characterization of when the lightfield 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. 1.
