Multi-Modal Target Tracking Using Heterogeneous Sensor Networks
Manish Kushwaha,Isaac Amundson,Peter Volgyesi,Parvez Ahammad,Gyula Simon,Xenofon Koutsoukos,Akos Ledeczi,S. Shankar Sastry +7 more
- 17 Nov 2008
- pp 1-8
TL;DR: The paper describes a target tracking system running on a heterogeneous sensor network (HSN) that fuses audio direction of arrival data from mote class devices and object detection measurements from embedded PCs equipped with cameras.
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Abstract: The paper describes a target tracking system running on a heterogeneous sensor network (HSN) and presents results gathered from a realistic deployment. The system fuses audio direction of arrival data from mote class devices and object detection measurements from embedded PCs equipped with cameras. The acoustic sensor nodes perform beamforming and measure the energy as a function of the angle. The camera nodes detect moving objects and estimate their angle. The sensor detections are sent to a centralized sensor fusion node via a combination of two wireless networks. The novelty of our system is the unique combination of target tracking methods customized for the application at hand and their implementation on an actual HSN platform.
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Citations
Effective target tracking mechanism in a self-organizing wireless sensor network
Ahmed M. Khedr,Walid Osamy +1 more
TL;DR: A cooperative approach to detect and monitor the path of a moving object using a minimum subset of nodes while maintaining coverage and network connectivity is proposed and tested extensively in a simulation environment and compared with other existing methods.
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A Study on Threads Detection and Tracking Systems for Military Applications using WSNs
TL;DR: A critical analysis is found in this paper, in order to guide the developer to design and implement a WSN-based tracking system for military applications.
Radio interferometric angle of arrival estimation
Isaac Amundson,Janos Sallai,Xenofon Koutsoukos,Akos Ledeczi +3 more
- 17 Feb 2010
TL;DR: This paper describes a radio interferometric technique for determining bearings from an anchor node to any number of target nodes at unknown positions, which can estimate node bearings with an accuracy of approximately 3° in 0.5 sec.
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Acoustic source localization and discrimination in urban environments
Manish Kushwaha,Xenofon Koutsoukos,Peter Volgyesi,Akos Ledeczi +3 more
- 06 Jul 2009
TL;DR: This paper presents a feature-based localization and discrimination approach for multiple acoustic sources using wireless sensor networks that fuses beamform and power spectral density data from each sensor.
Configurable hardware-based radio interferometric node localization
Sandor Szilvasi,Janos Sallai,Isaac Amundson,Peter Volgyesi,Akos Ledeczi +4 more
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References
Learning patterns of activity using real-time tracking
Chris Stauffer,W.E.L. Grimson +1 more
TL;DR: This paper focuses on motion tracking and shows how one can use observed motion to learn patterns of activity in a site and create a hierarchical binary-tree classification of the representations within a sequence.
Fine-grained network time synchronization using reference broadcasts
Jeremy Elson,Lewis Girod,Deborah Estrin +2 more
- 09 Dec 2002
TL;DR: Reference Broadcast Synchronization (RBS) as discussed by the authors is a scheme in which nodes send reference beacons to their neighbors using physical-layer broadcasts, and receivers use their arrival time as a point of reference for comparing their clocks.
The flooding time synchronization protocol
Miklós Maróti,Branislav Kusy,Gyula Simon,Akos Ledeczi +3 more
- 03 Nov 2004
TL;DR: The FTSP achieves its robustness by utilizing periodic flooding of synchronization messages, and implicit dynamic topology update and comprehensive error compensation including clock skew estimation, which is markedly better than that of the existing RBS and TPSN algorithms.
Timing-sync protocol for sensor networks
Saurabh Ganeriwal,Ram L. Kumar,Mani Srivastava +2 more
- 05 Nov 2003
TL;DR: It is argued that TPSN roughly gives a 2x better performance as compared to Reference Broadcast Synchronization (RBS) and verify this by implementing RBS on motes and use simulations to verify its accuracy over large-scale networks.