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1999 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'99) - Volume 1
Calibration of an Outdoor Active Camera System
Fort Collins, Colorado
June 23-June 25
ISBN: 0-7695-0149-4
Robert T. Collins, Carnegie Mellon University
Yanghai Tsin, Carnegie Mellon University
A parametric camera model and calibration procedures are developed for an outdoor active camera system with pan, tilt and zoom control. Unlike traditional methods, active camera motion plays a key role in the calibration process, and no special laboratory setups are required. Intrinsic parameters are estimated automatically by fitting parametric models to the optic flow induced by rotating and zooming. No knowledge of 3D scene structure is needed. Extrinsic parameters are calculated by actively rotating the camera to sight a sparse set of surveyed landmarks over a virtual hemispherical field of view, yielding a well-conditioned pose estimation problem.
Index Terms:
Camera Calibration, Active Vision, Pose Estimation, Pan/Tilt/Zoom
Citation:
Robert T. Collins, Yanghai Tsin, "Calibration of an Outdoor Active Camera System," cvpr, vol. 1, pp.1528, 1999 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'99) - Volume 1, 1999
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