24 November 2009 Camera calibration method with a coplanar target and three-dimensional reconstruction
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Abstract
This essay proposes a method for camera calibration. This method calibrates camera's all intrinsic parameters and extrinsic parameters step-by-step under the condition of considering the first order radial distortion. Compared with Tsai's two-stage method, this method only needs to use a coplanar target and can calibrate the image center and the scale factor. It also introduces a new distortion model and then can completely calibrate camera linearly, avoiding the trouble and the instability of non-linear optimization. It's simpler. Then, this essay introduces a computing model of three-dimensional reconstruction of the two cameras' system, and proves that this calibration method has high accuracy after the three-dimensional reconstruction.
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Kai Nie, Wenyao Liu, Jinjiang Wang, "Camera calibration method with a coplanar target and three-dimensional reconstruction", Proc. SPIE 7513, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Process Technology, 75132W (24 November 2009); doi: 10.1117/12.839693; https://doi.org/10.1117/12.839693
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