Automatic focal length estimation as an eigenvalue problem

Abstract

This paper focuses on automatic focal length estimation. In several vision applications one can assume that the utilized cameras are semi-calibrated, which means that all the intrinsic camera parameters but the focal length (aspect ratio, principal point, and skew) are known. In this case the camera calibration procedure reduces to the computation of the… (More)
DOI: 10.1016/j.patrec.2013.03.007

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