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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 9 — May. 1, 2013
  • pp: 1392–1394

Correction method for fisheye image based on the virtual small-field camera

Fuyu Huang, Xueju Shen, Qun Wang, Bing Zhou, Wengang Hu, Hongbin Shen, and Li Li  »View Author Affiliations


Optics Letters, Vol. 38, Issue 9, pp. 1392-1394 (2013)
http://dx.doi.org/10.1364/OL.38.001392


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Abstract

A distortion correction method for a fisheye image is proposed based on the virtual small-field (SF) camera. The correction experiment is carried out, and a comparison is made between the proposed method and the conventional global correction method. From the experimental results, the corrected image by this method satisfies the law of perspective projection, and the image looks as if it was captured by an SF camera with the optical axis pointing at the corrected center. This method eliminates the phenomena of center compression, edge stretch, and field loss, and the image character is more obvious, which benefits the afterward target detection and information extraction.

© 2013 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(150.0155) Machine vision : Machine vision optics
(150.1488) Machine vision : Calibration
(100.3008) Image processing : Image recognition, algorithms and filters

ToC Category:
Image Processing

History
Original Manuscript: January 31, 2013
Revised Manuscript: March 22, 2013
Manuscript Accepted: March 22, 2013
Published: April 22, 2013

Citation
Fuyu Huang, Xueju Shen, Qun Wang, Bing Zhou, Wengang Hu, Hongbin Shen, and Li Li, "Correction method for fisheye image based on the virtual small-field camera," Opt. Lett. 38, 1392-1394 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-9-1392

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