Camera calibration with a motorized zoom lens

Yong-Sheng Chen*, Sheng Wen Shih, Yi Ping Hung, Chiou Shann Fuh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

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, adoptively, over the ranges of the zoom 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.

Original languageEnglish
Pages (from-to)495-498
Number of pages4
JournalProceedings - International Conference on Pattern Recognition
Volume15
Issue number4
DOIs
StatePublished - 1 Dec 2000

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