Measurement of three-dimensional mirror parameters by polarization imaging applied to catadioptric camera calibration

Olivier Morel; Ralph Seulin; David Fofi

doi:10.1117/1.2958290

1 July 2008 Measurement of three-dimensional mirror parameters by polarization imaging applied to catadioptric camera calibration

Olivier Morel, Ralph Seulin, David Fofi

Author Affiliations +

Journal of Electronic Imaging, Vol. 17, Issue 3, 031105 (July 2008). https://doi.org/10.1117/1.2958290

Abstract

We present a new efficient method for calibration of catadioptric sensors. The method is based on an accurate measurement of the three-dimensional parameters of the mirror through polarization imaging. While inserting a rotating polarizer between the camera and the mirror, the system is automatically calibrated without any calibration patterns. Moreover, this method permits most of the constraints related to the calibration of catadioptric systems to be relaxed. We show that, contrary to our system, the traditional methods of calibration are very sensitive to misalignment of the camera axis and the symmetry axis of the mirror. From the measurement of three-dimensional parameters, we apply the generic calibration concept to calibrate the catadioptric sensor. We also show the influence of the disturbed measurement of the parameters on the reconstruction of a synthetic scene. Finally, experiments prove the validity of the method with some preliminary results on three-dimensional reconstruction.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Olivier Morel, Ralph Seulin, and David Fofi "Measurement of three-dimensional mirror parameters by polarization imaging applied to catadioptric camera calibration," Journal of Electronic Imaging 17(3), 031105 (1 July 2008). https://doi.org/10.1117/1.2958290

Published: 1 July 2008

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