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Proceedings Paper

Theoretical error analysis with camera parameter calibration
Author(s): Takashi Fujimoto; Yoshihiko Nomura; Dili Zhang
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Paper Abstract

The camera calibration for the intrinsic parameters such as the principal point and the principal distance is one of the most important techniques for the 3-D measurement applications based on the cameras' 2D images: the principal point is the intersection of optical axis of camera and image plane, and the principal distance is the distance between the center of lens and principal point. Though the techniques of camera parameter calibration have been intensively investigated by many researchers, the calibration errors were just examined through limited experiments and simulations and no more. Taking up the two-fiducial-plane camera calibration technique, this paper examined the calibration errors theoretically for various conditions such as the fiducial-plane translation, and the principal distances where the extraction errors of image coordinates of the fiducial points were considered as the source of the errors. The estimation error of F and P are theoretically formulized with the analytical equations, and the effectiveness of the formulas is confirmed by comparing the values by the theory with those by the simulations.

Paper Details

Date Published: 25 October 2004
PDF: 9 pages
Proc. SPIE 5603, Machine Vision and its Optomechatronic Applications, (25 October 2004); doi: 10.1117/12.570574
Show Author Affiliations
Takashi Fujimoto, Mie Univ. (Japan)
Suzuka Fuji Xerox Co., Ltd. (Japan)
Yoshihiko Nomura, Mie Univ. (Japan)
Dili Zhang, Agfa Monotype Corp. (United States)

Published in SPIE Proceedings Vol. 5603:
Machine Vision and its Optomechatronic Applications
Shun'ichi Kaneko; Hyungsuck Cho; George K. Knopf; Rainer Tutsch, Editor(s)

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