NDLI: Observation of Vehicle Axles Through Pass-by Noise: A Strategy of Microphone Array Design

Content Provider	IEEE Xplore Digital Library
Author	Marmaroli, P. Carmona, M. Odobez, J.-M. Falourd, X. Lissek, H.
Copyright Year	2000
Abstract	This paper focuses on road traffic monitoring using sounds and proposes, more specifically, a microphone array design methodology for observing vehicle trajectory from acoustic-based correlation functions. In a former work, authors have shown that combining generalized cross correlation (GCC) functions and a particle filter onto the audio signals simultaneously acquired by two sensors placed near the road allows the joint estimation of the speed and the wheelbase length of road vehicles as they pass by. This is mainly due to the broadband nature of the tire/road noise, which makes their spatial dissociation possible by means of an appropriate GCC processor. At the time, nothing has been said about the best distance to chose between the sensors. A methodology is proposed here to find this optimum, which is expected to improve the observation quality and, thus, the tracking performance. Theoretical developments of this paper are partially assessed with preliminary experiments.
Sponsorship	IEEE Intelligent Transportation Systems Society
Starting Page	1654
Ending Page	1664
Page Count	11
File Size	1221624
File Format	PDF
ISSN	15249050
Volume Number	14
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Road vehicles Acoustic signal processing Particle filters Vehicle detection Microphone arrays Direction-of-arrival estimation vehicle detection direction-of-arrival estimation microphone arrays particle filters road vehicles
Content Type	Text
Resource Type	Article
Subject	Automotive Engineering Mechanical Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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