Computing the coefficients of lens distortion models using planar surfaces

Ruben E. Garcia; Pablo Vera; Joaquin Salas

doi:10.1117/1.JEI.26.6.063024

11 December 2017 Computing the coefficients of lens distortion models using planar surfaces

Ruben E. Garcia, Pablo Vera, Joaquin Salas

Author Affiliations +

Journal of Electronic Imaging, Vol. 26, Issue 6, 063024 (December 2017). https://doi.org/10.1117/1.JEI.26.6.063024

Abstract

Although there is a wide variety of lens distortion models, computing their parameters remains an open problem. To this end, we introduce a criterion that uses the null space of a matrix that arises from the estimation of the homography. We provide experimental results obtained from laboratory images of calibration patterns, apply our method to images taken in natural settings, study the effect of feature location, and compare it with other approaches. The results suggest that the method works best for cases where the full set of intrinsic or extrinsic camera parameters are not needed, the camera is no longer available, or the optical parameters change over the image sequence.

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Ruben E. Garcia, Pablo Vera, and Joaquin Salas "Computing the coefficients of lens distortion models using planar surfaces," Journal of Electronic Imaging 26(6), 063024 (11 December 2017). https://doi.org/10.1117/1.JEI.26.6.063024

Received: 27 June 2017; Accepted: 14 November 2017; Published: 11 December 2017

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