External calibration of multi-camera system based on efficient pair-wise estimation

Authors:
Chunhui Cui;Wenxian Yang;King Ngi Ngan
Affiliations:
Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong;Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong;Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong
Venue:
PSIVT'07 Proceedings of the 2nd Pacific Rim conference on Advances in image and video technology
Year:
2007

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Abstract

In this paper, we present an external calibration technique for typical multi-camera system. The technique is very handy in practice using a simple planar pattern. Based on homography, an efficient pair-wise estimation method is proposed to recover the rigid rotation and translation between neighboring cameras. By registering all these partial calibrated structures, complete calibration of the multi-camera system is accomplished. Experiments with both simulated and real data show that accurate and stable calibration results can be achieved by the proposed method.