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Authors: Ashutosh Morde ; Mourad Bouzit and Lawrence Rabiner

Affiliation: CAIP, Rutgers University, United States

Keyword(s): Camera Calibration, Image of Absolute Conic, Vanishing Line, Concentric Circles.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Image Formation and Preprocessing ; Image Formation, Acquisition Devices and Sensors ; Multi-View Geometry

Abstract: Camera calibration is an important step in 3D reconstruction of scenes. Many natural and man made objects are circular and form good candidates as calibration objects. We present a linear calibration algorithm to estimate the intrinsic camera parameters using at least three images of concentric circles of unknown radii. Novel methods to determine the projected center of concentric circles of unknown radii using the projective invariant, cross ratio, and calculating the vanishing line of the circle are proposed. The circular calibration pattern can be easily and accurately created. The calibration algorithm does not require any measurements of the scene or the homography between the images. Once the camera is fully calibrated the focal length of zooming cameras can be estimated from a single image. The algorithm was tested with real and synthetic images with different noise levels.

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Paper citation in several formats:
Morde, A.; Bouzit, M. and Rabiner, L. (2006). A NOVEL APPROACH TO PLANAR CAMERA CALIBRATION. In Proceedings of the First International Conference on Computer Vision Theory and Applications (VISIGRAPP 2006) - Volume 1: VISAPP; ISBN 972-8865-40-6; ISSN 2184-4321, SciTePress, pages 87-92. DOI: 10.5220/0001362500870092

@conference{visapp06,
author={Ashutosh Morde. and Mourad Bouzit. and Lawrence Rabiner.},
title={A NOVEL APPROACH TO PLANAR CAMERA CALIBRATION},
booktitle={Proceedings of the First International Conference on Computer Vision Theory and Applications (VISIGRAPP 2006) - Volume 1: VISAPP},
year={2006},
pages={87-92},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001362500870092},
isbn={972-8865-40-6},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the First International Conference on Computer Vision Theory and Applications (VISIGRAPP 2006) - Volume 1: VISAPP
TI - A NOVEL APPROACH TO PLANAR CAMERA CALIBRATION
SN - 972-8865-40-6
IS - 2184-4321
AU - Morde, A.
AU - Bouzit, M.
AU - Rabiner, L.
PY - 2006
SP - 87
EP - 92
DO - 10.5220/0001362500870092
PB - SciTePress

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