14 May 2017 Estimation of extrinsic parameters of multiple fish-eye cameras using calibration markers
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Proceedings Volume 10338, Thirteenth International Conference on Quality Control by Artificial Vision 2017; 103380B (2017) https://doi.org/10.1117/12.2266999
Event: The International Conference on Quality Control by Artificial Vision 2017, 2017, Tokyo, Japan
Abstract
This paper introduces a simultaneous estimation method of the extrinsic parameters of multiple fish-eye cameras using simple calibration markers. Precise extrinsic parameters of cameras mounted on a car are important, for example, to provide a seamless overhead view image to the driver. Calibration markers are set in the area that are observable from adjacent two cameras. Extrinsic parameters of each camera are estimated individually and then combined and refined using a geometric constraint. Cube markers are chosen as the calibration markers. The method is evaluated by simulation and experiments using a real car. It is shown that extrinsic parameters are obtained by the proposed method and suggested that the errors of intrinsic parameters affect the estimation of extrinsic parameters.
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Hiroya Okamoto, Hiroya Okamoto, Yuki Tanaka, Yuki Tanaka, Akihiko Hishigi, Akihiko Hishigi, Abdelaziz Khiat, Abdelaziz Khiat, Noriko Shimomura, Noriko Shimomura, Gakuto Masuyama, Gakuto Masuyama, Kazunori Umeda, Kazunori Umeda, } "Estimation of extrinsic parameters of multiple fish-eye cameras using calibration markers", Proc. SPIE 10338, Thirteenth International Conference on Quality Control by Artificial Vision 2017, 103380B (14 May 2017); doi: 10.1117/12.2266999; https://doi.org/10.1117/12.2266999
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