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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 17 — Jun. 10, 2010
  • pp: 3338–3347

Accuracy of fish-eye lens models

Ciarán Hughes, Patrick Denny, Edward Jones, and Martin Glavin  »View Author Affiliations


Applied Optics, Vol. 49, Issue 17, pp. 3338-3347 (2010)
http://dx.doi.org/10.1364/AO.49.003338


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Abstract

The majority of computer vision applications assumes that the camera adheres to the pinhole camera model. However, most optical systems will introduce undesirable effects. By far, the most evident of these effects is radial lensing, which is particularly noticeable in fish-eye camera systems, where the effect is relatively extreme. Several authors have developed models of fish-eye lenses that can be used to describe the fish-eye displacement. Our aim is to evaluate the accuracy of several of these models. Thus, we present a method by which the lens curve of a fish-eye camera can be extracted using well-founded assumptions and perspective methods. Several of the models from the literature are examined against this empirically derived curve.

© 2010 Optical Society of America

OCIS Codes
(100.2980) Image processing : Image enhancement
(110.6980) Imaging systems : Transforms
(150.1488) Machine vision : Calibration
(100.4994) Image processing : Pattern recognition, image transforms

ToC Category:
Image Processing

History
Original Manuscript: March 2, 2010
Revised Manuscript: May 11, 2010
Manuscript Accepted: May 14, 2010
Published: June 7, 2010

Citation
Ciarán Hughes, Patrick Denny, Edward Jones, and Martin Glavin, "Accuracy of fish-eye lens models," Appl. Opt. 49, 3338-3347 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-17-3338

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