29 May 2007 Measurement of the three-dimensional mirror parameters by polarization imaging applied to catadioptric camera calibration
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Proceedings Volume 6356, Eighth International Conference on Quality Control by Artificial Vision; 635608 (2007) https://doi.org/10.1117/12.736711
Event: Eighth International Conference on Quality Control by Artificial Vision, 2007, Le Creusot, France
Abstract
A new efficient method of calibration for catadioptric sensors is presented in this paper. It is based on an accurate measurement of the three-dimensional parameters of the mirror by means of polarization imaging. While inserting a rotating polarizer between the camera and the mirror, the system is automatically calibrated without and calibration patterns. Moreover it permits to relax most of the constraints related to the calibration of the catadioptric systems. 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. The influence of the disturbed measurement of the parameters on the reconstruction of a synthetic scene is also presented. Finally, experiments prove the validity of the method with some preliminary results on three-dimensional reconstruction.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Olivier Morel, Olivier Morel, Ralph Seulin, Ralph Seulin, David Fofi, David Fofi, } "Measurement of the three-dimensional mirror parameters by polarization imaging applied to catadioptric camera calibration", Proc. SPIE 6356, Eighth International Conference on Quality Control by Artificial Vision, 635608 (29 May 2007); doi: 10.1117/12.736711; https://doi.org/10.1117/12.736711
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