Single lens stereo with a plenoptic camera
Adelson, E.H.
Wang, J.Y.A.
Media Lab., MIT, Cambridge, MA;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Feb 1992
Volume: 14,
Issue: 2
On page(s): 99-106
ISSN: 0162-8828
References Cited: 19
CODEN: ITPIDJ
INSPEC Accession Number: 4139379
Digital Object Identifier: 10.1109/34.121783
Current Version Published: 2002-08-06
Abstract
Ordinary cameras gather light across the area of their lens
aperture, and the light striking a given subregion of the aperture is
structured somewhat differently than the light striking an adjacent
subregion. By analyzing this optical structure, one can infer the depths
of the objects in the scene, i.e. one can achieve single lens stereo.
The authors describe a camera for performing this analysis. It
incorporates a single main lens along with a lenticular array placed at
the sensor plane. The resulting plenoptic camera provides information
about how the scene would look when viewed from a continuum of possible
viewpoints bounded by the main lens aperture. Deriving depth information
is simpler than in a binocular stereo system because the correspondence
problem is minimized. The camera extracts information about both
horizontal and vertical parallax, which improves the reliability of the
depth estimates
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