Method for calibrating cameras with large lens distortion

De Xu; Youfu Li; Min Tan

doi:10.1117/1.2188393

1 April 2006 Method for calibrating cameras with large lens distortion

De Xu, Youfu Li, Min Tan

Author Affiliations +

Optical Engineering, 45(4), 043602 (2006). https://doi.org/10.1117/1.2188393

Abstract

A new calibration method is proposed for calibrating cameras with large lens distortion, using a planar grid pattern. The distortions are adjusted with an iterative algorithm. When the points on each curve in the image of the grid pattern are fitted with a linear equation in the image space, the distortion correction factors are determined. The camera's optical center is obtained through a Hough transform. Then, a group of linear equations and a cubic equation are established in the corrected image space. The remaining parameters of the camera are then deduced. Only one view of a planar grid pattern is needed for this method. The experimental results verify the effectiveness of the proposed method.

Citation Download Citation

De Xu, De Xu, Youfu Li, Youfu Li, Min Tan, Min Tan, } "Method for calibrating cameras with large lens distortion," Optical Engineering 45(4), 043602 (1 April 2006). https://doi.org/10.1117/1.2188393 . Submission:

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