Abstract
Camera calibration is the process of finding the true parameters of a camera. In this article, we study the application of improved particle swarm optimization (PSO) algorithm in camera calibration. Then proposes a new algorithm CPSO, combining PSO with chaos optimization algorithm, to optimize camera’s intrinsic parameters based on absolute conics. Finally we carry out experiments to test its performance. Re-projection errors show that the method used in this paper is flexible and feasible, and the re-projection error is small enough to meet the accuracy demand of welding guidance.
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Acknowledgments
This work is supported by the National Natural Science Foundation of China under the Grant No. 61374071, No. 51275301 and Shanghai Sciences & Technology Committee under Grant No. 11111100302.
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Ni, WF., Wei, SC., Lin, T., Chen, SB. (2015). A Self-calibration Algorithm with Chaos Particle Swarm Optimization for Autonomous Visual Guidance of Welding Robot. In: Tarn, TJ., Chen, SB., Chen, XQ. (eds) Robotic Welding, Intelligence and Automation. RWIA 2014. Advances in Intelligent Systems and Computing, vol 363. Springer, Cham. https://doi.org/10.1007/978-3-319-18997-0_16
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DOI: https://doi.org/10.1007/978-3-319-18997-0_16
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