Euclidean structure from confocal conics: Theory and application to camera calibration

Authors:
Jun-Sik Kim;Pierre Gurdjos;In So Kweon
Affiliations:
Robotics Institute, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213, USA;IRIT-ENSEEIHT, 2 rue Charles Camichel BP 7122 31071 Toulouse Cedex 7, France;Dept. of EECS, KAIST, Kusong-Dong 373-1, Yuseong-Gu, Daejeon, South Korea
Venue:
Computer Vision and Image Understanding
Year:
2010

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Abstract

We propose confocal conics as a new planar pattern for camera calibration with poses. We show that confocal conics encode the metric information which can be easily extracted with their generalized eigenvalues. The proposed method is tested with synthetic and real data, and shows comparable performances with conventional algorithms, while it still has all virtues of curved features.