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Camera Localization in Distributed Networks Using Trajectory Estimation
Author
Source
Journal of Electrical and Computer Engineering
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-10-10
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Engineering Sciences and Information Technology
Information Technology and Computer Science
Abstract EN
This paper presents an algorithm for camera localization using trajectory estimation (CLUTE) in a distributed network of nonoverlapping cameras.
The algorithm recovers the extrinsic calibration parameters, namely, the relative position and orientation of the camera network on a common ground plane coordinate system.
We first model the observed trajectories in each camera's field of view using Kalman filtering, then we use this information to estimate the missing trajectory information in the unobserved areas by fusing the results of a forward and backward linear regression estimation from adjacent cameras.
These estimated trajectories are then filtered and used to recover the relative position and orientation of the cameras by analyzing the estimated and observed exit and entry points of an object in each camera's field of view.
The final configuration of the network is established by considering one camera as a reference and by adjusting the remaining cameras with respect to this reference.
We demonstrate the algorithm on both simulated and real data and compare the results with state-of-the-art approaches.
The experimental results show that the proposed algorithm is more robust to noisy and missing data and in case of camera failure.
American Psychological Association (APA)
Anjum, Nadeem. 2011. Camera Localization in Distributed Networks Using Trajectory Estimation. Journal of Electrical and Computer Engineering،Vol. 2011, no. 2011, pp.1-13.
https://search.emarefa.net/detail/BIM-484411
Modern Language Association (MLA)
Anjum, Nadeem. Camera Localization in Distributed Networks Using Trajectory Estimation. Journal of Electrical and Computer Engineering No. 2011 (2011), pp.1-13.
https://search.emarefa.net/detail/BIM-484411
American Medical Association (AMA)
Anjum, Nadeem. Camera Localization in Distributed Networks Using Trajectory Estimation. Journal of Electrical and Computer Engineering. 2011. Vol. 2011, no. 2011, pp.1-13.
https://search.emarefa.net/detail/BIM-484411
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-484411