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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 25 — Dec. 3, 2012
  • pp: 27691–27696

Calibration of a trinocular system formed with wide angle lens cameras

Carlos Ricolfe-Viala, Antonio-Jose Sanchez-Salmeron, and Angel Valera  »View Author Affiliations


Optics Express, Vol. 20, Issue 25, pp. 27691-27696 (2012)
http://dx.doi.org/10.1364/OE.20.027691


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Abstract

To obtain 3D information of large areas, wide angle lens cameras are used to reduce the number of cameras as much as possible. However, since images are high distorted, errors in point correspondences increase and 3D information could be erroneous. To increase the number of data from images and to improve the 3D information, trinocular sensors are used. In this paper a calibration method for a trinocular sensor formed with wide angle lens cameras is proposed. First pixels locations in the images are corrected using a set of constraints which define the image formation in a trinocular system. When pixels location are corrected, lens distortion and trifocal tensor is computed.

© 2012 OSA

OCIS Codes
(150.0155) Machine vision : Machine vision optics
(150.1135) Machine vision : Algorithms
(150.1488) Machine vision : Calibration

ToC Category:
Machine Vision

History
Original Manuscript: July 27, 2012
Manuscript Accepted: August 22, 2012
Published: November 29, 2012

Citation
Carlos Ricolfe-Viala, Antonio-Jose Sanchez-Salmeron, and Angel Valera, "Calibration of a trinocular system formed with wide angle lens cameras," Opt. Express 20, 27691-27696 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-25-27691


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