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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 9 — Sep. 1, 2001
  • pp: 2072–2078

Blind removal of lens distortion

Hany Farid and Alin C. Popescu  »View Author Affiliations


JOSA A, Vol. 18, Issue 9, pp. 2072-2078 (2001)
http://dx.doi.org/10.1364/JOSAA.18.002072


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Abstract

Virtually all imaging devices introduce some amount of geometric lens distortion. A technique is presented for blindly removing these distortions in the absence of any calibration information or explicit knowledge of the imaging device. The basic approach exploits the fact that lens distortion introduces specific higher-order correlations in the frequency domain. These correlations can be detected by using tools from polyspectral analysis. The amount of distortion is then estimated by minimizing these correlations.

© 2001 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing

Citation
Hany Farid and Alin C. Popescu, "Blind removal of lens distortion," J. Opt. Soc. Am. A 18, 2072-2078 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-9-2072


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