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Visibility in three-dimensional cluttered scenes |
JOSA A, Vol. 29, Issue 9, pp. 1794-1807 (2012)
http://dx.doi.org/10.1364/JOSAA.29.001794
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Abstract
Three-dimensional (3D) cluttered scenes consist of a large number of small surfaces distributed randomly in a 3D view volume. The canonical example is the foliage of a tree or bush. 3D cluttered scenes are challenging for vision tasks such as object recognition and depth perception because most surfaces or objects are only partly visible. This paper examines the probabilities of surface visibility in 3D cluttered scenes. We model how the probabilities of visible gaps, depth discontinuities, and binocular and half-occluded points depend on scene parameters such as the size and density of the surfaces that make up the clutter, as well as on depth and inverse depth. Inverse depth is of particular interest since both binocular disparity and motion parallax depend directly on it. The probability models are verified using data from synthetic 3D cluttered scenes, which are generated using computer graphics.
© 2012 Optical Society of America
OCIS Codes
(150.6910) Machine vision : Three-dimensional sensing
(330.1400) Vision, color, and visual optics : Vision - binocular and stereopsis
ToC Category:
Vision, Color, and Visual Optics
History
Original Manuscript: January 3, 2012
Revised Manuscript: May 11, 2012
Manuscript Accepted: June 29, 2012
Published: August 8, 2012
Virtual Issues
Vol. 7, Iss. 11 Virtual Journal for Biomedical Optics
Citation
Michael S. Langer and Fahim Mannan, "Visibility in three-dimensional cluttered scenes," J. Opt. Soc. Am. A 29, 1794-1807 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-9-1794
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