Counting and tracking vehicles using acoustic vector sensors

Józef Kotus; Andrzej Czyżewski

doi:10.1121/1.5068061

Counting and tracking vehicles using acoustic vector sensors

Abstract

A method is presented for counting vehicles and for determining their movement direction by means of acoustic vector sensor application. The assumptions of the method employing spatial distribution of sound intensity determined with the help of an integrated 3D intensity probe are discussed. The intensity probe developed by the authors was used for the experiments. The mode of operation of the algorithm is presented in conjunction with noise characteristics produced by moving vehicles. The optimization of the algorithm is based on measurements of intensity of sound emitted by the vehicle under controlled conditions. A test setup was built for this purpose with the use of measuring devices installed along a road with varying traffic flow. Reference data on the number of vehicles and traffic directions were prepared employing a recorded video and a reference traffic analyzer operating in lidar technology. It is shown that the developed acoustic method may contribute to an increase of effectiveness of commonly used vehicle counting systems employing inductive loops or Doppler radars.

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Category:

Articles

Type:

artykuł w czasopiśmie wyróżnionym w JCR

Published in:

Journal of the Acoustical Society of America no. 144, edition 3, pages 1830 - 1830,
ISSN: 0001-4966

Language:

English

Publication year:

2018

Bibliographic description:

Kotus J., Czyżewski A.: Counting and tracking vehicles using acoustic vector sensors// Journal of the Acoustical Society of America. -Vol. 144, iss. 3 (2018), s.1830-1830

DOI: