Single-viewpoint, catadioptric cone mirror omnidirectional imaging theory and analysis
JOSA A, Vol. 23, Issue 12, pp. 2997-3015 (2006)
http://dx.doi.org/10.1364/JOSAA.23.002997
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Abstract
A family of catadioptric imaging systems has been developed that can achieve omnidirectional viewing with a single planar imager while still being able to recover perspective images, provided that they satisfy the single-viewpoint (SVP) constraint. It has been shown that the only mirror shapes that can have SVP when paired with a sole focusing planar imager camera are the surfaces of revolution of conic section curves. However, the special case of such a surface, the cone-shaped mirror itself, has not been deemed a viable SVP mirror shape. We present a comprehensive imaging theory of the cone mirror in its SVP configuration. We show that the SVP, cone mirror catadioptric system not only is practical but also has unique advantages for certain applications. The detailed theory explains why and how a practical SVP cone configuration can be set up, the merits and weaknesses of such systems, and how one can remedy the weaknesses to create a workable imaging system. We also derive the tolerance formula for estimating effects of alignment errors. A prototype has been constructed, and experimental results validate our theory.
© 2006 Optical Society of America
OCIS Codes
(100.0100) Image processing : Image processing
(110.0110) Imaging systems : Imaging systems
(150.0150) Machine vision : Machine vision
(220.0220) Optical design and fabrication : Optical design and fabrication
ToC Category:
Imaging Systems
History
Original Manuscript: August 26, 2005
Revised Manuscript: February 23, 2006
Manuscript Accepted: May 26, 2006
Citation
Shih-Schön Lin and Ruzena Bajcsy, "Single-viewpoint, catadioptric cone mirror omnidirectional imaging theory and analysis," J. Opt. Soc. Am. A 23, 2997-3015 (2006)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-23-12-2997
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