NDLI: Robust auto-calibration of a PTZ camera with non-overlapping FOV

Content Provider	IEEE Xplore Digital Library
Author	Ashraf, N. Foroosh, H.
Copyright Year	2008
Description	Author affiliation: Comput. Imaging Lab., Univ. of Central Florida, Orlando, FL (Ashraf, N.; Foroosh, H.)
Abstract	We consider the problem of auto-calibration of cameras, which are fixed in location but are free to rotate while changing their internal parameters by zooming. Our method is based on line correspondences between two views, which may have non-overlapping field of view. Camera calibration from images having non-overlapping field of view is the basic motivation behind this research. The key observation is that the planes formed by the optic center and the line correspondences are really the same plane. We use this fact together with the orthonormality constraint of the rotation matrix to estimate the unknown camera parameters. We show experimental results on synthetic and real data, and analyze the accuracy and stability of our method.
Starting Page	1
Ending Page	4
File Size	441814
Page Count	4
File Format	PDF
ISBN	9781424421749
ISSN	10514651
DOI	10.1109/ICPR.2008.4761570
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robustness Cameras Calibration Optical distortion Layout Distortion measurement Optical imaging Data analysis Stability analysis Object detection
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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