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PAMI
2007

Camera Calibration from Images of Spheres

8 years 11 months ago
Camera Calibration from Images of Spheres
This paper introduces a novel approach for solving the problem of camera calibration from spheres. By exploiting the relationship between the dual images of spheres and the dual image of the absolute conic (IAC), it is shown that the common pole and polar w.r.t. the conic images of 2 spheres are also the pole and polar w.r.t the IAC. This provides 2 constraints for estimating the IAC and hence allows a camera to be calibrated from an image of at least 3 spheres. Experimental results show the feasibility of the proposed approach.
Hui Zhang, Kwan-Yee Kenneth Wong, Guoqiang Zhang
Added 27 Dec 2010
Updated 27 Dec 2010
Type Journal
Year 2007
Where PAMI
Authors Hui Zhang, Kwan-Yee Kenneth Wong, Guoqiang Zhang
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