Correspondence-free multi camera calibration by observing a simple reference plane

Authors:
Satoshi Kawabata;Yoshihiro Kawai
Affiliations:
National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan;National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
Venue:
ACCV'10 Proceedings of the 10th Asian conference on Computer vision - Volume Part III
Year:
2010

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Abstract

In the present paper, we propose a multi camera calibration method that estimates both the intrinsic and extrinsic parameters of each camera. Assuming a reference plane has an infinitely repeated pattern, finding corresponding points between cameras is regarded as being equivalent to the estimation of discrete 2-D transformation on the observed reference plane. This means that the proposed method does not require any overlap of the observed region, and bundle adjustment can be performed in the sense of point-to-point correspondence. Our experiment demonstrates that the proposed method is practically admissible and sufficiently useful for building a simple shape measurement system using multiple cameras.