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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3012–3022

Comparing two new camera calibration methods with traditional pinhole calibrations

Psang D. Lin and Chi K. Sung  »View Author Affiliations

Optics Express, Vol. 15, Issue 6, pp. 3012-3022 (2007)

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Two novel camera calibration methods are compared with traditional pinhole calibration: one new method uses an analytic geometrical version of Snell’s law (denoted as the Snell model); the other uses 6×6 matrix-based paraxial ray-tracing (referred to as the paraxial model). Pinhole model uses a perspective projection approximation to give a single lumped result for the multiple optical elements in a camera system. It is mathematically simple, but suffers from accuracy limitations since it does not consider the lens system. The Snell model is mathematically the most complex but potentially has the highest levels of accuracy for the widest range of conditions. The paraxial model has the merit of offering analytical equations for calibration.

© 2007 Optical Society of America

OCIS Codes
(040.1490) Detectors : Cameras
(080.0080) Geometric optics : Geometric optics

Original Manuscript: January 19, 2007
Revised Manuscript: February 27, 2007
Manuscript Accepted: March 1, 2007
Published: March 19, 2007

Psang D. Lin and Chi K. Sung, "Comparing two new camera calibration methods with traditional pinhole calibrations," Opt. Express 15, 3012-3022 (2007)

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