Camera Calibration with a Motorized Zoom Lens
Resource
International Conference on Pattern Recognition, 2000
Journal
Proceedings 15th International Conference on Pattern Recognition ICPR-2000
Pages
495-498
Date Issued
2000
Date
2000
Author(s)
Abstract
This paper presents a simple and efficient method of calibrating the intrinsic camera parameters for all the lens settings of a motorized zoom lens. We fix the aperture setting and perform the camera calibration, adaptively, over the ranges of the room and focus settings. Bilinear interpolation is used to provide the values of the intrinsic camera parameters for those lens settings where no observations are taken. Our experiments show that the proposed method can provide accurate intrinsic camera parameters for all the lens settings, even though camera calibration is performed only for a small number of sampled lens settings. A calibration object suitable for zoom lens calibration is also presented.
Type
conference paper
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