CCD camera calibration using the finite element method

Derek D. Lichti; Michael A. Chapman

doi:10.1117/12.220911

13 September 1995 CCD camera calibration using the finite element method

Derek D. Lichti, Michael A. Chapman

Proceedings Volume 2598, Videometrics IV; (1995) https://doi.org/10.1117/12.220911
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

Image point displacements due to systematic errors in the image formation process are typically modeled in analytical photogrammetry with polynomial expressions. An alternative to this approach is the concept that the displacement of an image point is equivalent to a proportional change in the camera focal length for that particular location. The finite element method (FEM) of self-calibration, as developed by R.A.H. Munjy can be used to model focal length changes due to inherent systematic errors. This paper presents the results of an investigation into the use of the FEM for charge-coupled device (CCD) camera calibration. Two CCD cameras were calibrated using both the polynomial approach and the FEM in order to determine the adequacy of this alternative model.

Citation Download Citation

Derek D. Lichti and Michael A. Chapman "CCD camera calibration using the finite element method", Proc. SPIE 2598, Videometrics IV, (13 September 1995); https://doi.org/10.1117/12.220911

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