A Camera Calibration Method Based on Free Points

Jing Lei Zhang; Kai Bo Fan; Yan Jiao Wang

doi:10.4028/www.scientific.net/AMM.130-134.1885

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134A Camera Calibration Method Based on Free Points

A Camera Calibration Method Based on Free Points

Abstract:

A new accurate calibrating technique for intrinsic parameters and extrinsic parameters of CCD camera is described. The camera model is derived by the pinhole projection theory. Then other parameters of the model are resolved under the radial alignment constraints and orthogonal constraints. In order to get a fine initial guess for the nonlinear searching solution, the least square method is introduced, and finally uses radial alignment constraint method to get the results. The experimental results show that the mean absolute differences in x direction and y direction are 0.0070 and 0.1430 separately while the standard deviation are 0.5006 and 1.2046 separately.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

1885-1888

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.1885

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Online since:

October 2011

Authors:

Jing Lei Zhang, Kai Bo Fan, Yan Jiao Wang

Keywords:

Camera Calibration, Parameter Calibration, Perspective Model

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