Using low cost infrared detectors to monitor movement of pedestrians: initial findings.

Kerridge, Jon, Armitage, Alistair, Binnie, David, Lei, Lucy and Sumpter, Neil (2005) Using low cost infrared detectors to monitor movement of pedestrians: initial findings. Transportation Research Record, 1878 (1). pp. 11-18. ISSN 0361 1981

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Monitoring the movement of pedestrians in everyday environments is difficult, especially if accurate data are required. Typically, data pertaining to the origins and destinations of pedestrians as they move around a space can be obtained only by either locating many observers in the area that is under surveillance or analyzing closed-circuit television footage. The former is error prone and perturbs the space being analyzed; the latter is expensive in regard to the technology and time required. Technical advances in low-cost infrared detectors provide an opportunity to observe pedestrian spaces unobtrusively and determine individual pedestrian trajectories automatically. The underpinning detector technology is described, and the way arrays of such detectors can be used to monitor larger spaces is shown. An outline of the algorithm used to create complete trajectories as pedestrians move between detectors is presented. A series of experiments is described: pedestrians were asked to move in a set of defined patterns in a controlled environment. Initial results from these experiments are discussed. It was found that at Fruin Levels of Service A to C, 93% of pedestrian trajectories could be tracked; that count dropped to 79% at Level of Service D.

Item Type: Article
Print ISSN: 0361 1981
Uncontrolled Keywords: Algorithms; Experiments; Infrared detectors; Level of service; Monitoring; Pedestrian movement; Pedestrian trajectories; Road safety; Computing;
University Divisions/Research Centres: Faculty of Engineering, Computing and Creative Industries > School of Computing
Dewey Decimal Subjects: 600 Technology > 620 Engineering > 621 Electronic & mechanical engineering
000 Computer science, information & general works > 000 Computer science, knowledge & systems > 005 Computer programming, programs & data
300 Social sciences > 380 Commerce, communications & transportation > 388 Transportation; ground transportation
Library of Congress Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
H Social Sciences > HE Transportation and Communications
Q Science > QA Mathematics > QA76 Computer software
Item ID: 1810
Depositing User: RAE Import
Date Deposited: 16 May 2008 13:54
Last Modified: 18 Apr 2013 13:09

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