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Map-based Multi-Object Dynamic Scene Description and Atypical Event Detection

Meysel, Frederik (2010) Map-based Multi-Object Dynamic Scene Description and Atypical Event Detection. DLR-Forschungsbericht. DLR-FB 2009-18. Dissertation. Deutsches Zentrum für Luft- und Raumfahrt (DLR) e.V.. 238 S.

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The thesis is about the automatic detection of atypical changes and events in dynamic multi-object scenes. Examples for such scenes are streets, parks, train stations, public places, airports, sports fields, highways, shopping malls etc. The actors or objects traveling through such scenes are pedestrians, bicycles, cars, boats, airplanes, sportsmen or customers. Information on the observable states of the actors or objects is made available by sensors. Based on object state vectors, a new approach is proposed for a map-based representation of the scene dynamics. Two methods are introduced, map-based change detection (MBCD) for the detection of overall scene changes and map-based trajectory analysis (MBTA) for the evaluation of individual object trajectories. Both methods work with real-life multi-object scenes without signatures or training. They were implemented with three different scenes and each scene was annotated by ten human participants in a separate experiment. The evaluation of the results shows the strengths and limits of the new approach and suggestions are made where to continue with further work.

Item URL in elib:https://elib.dlr.de/66806/
Document Type:Monograph (DLR-Forschungsbericht, Dissertation)
Title:Map-based Multi-Object Dynamic Scene Description and Atypical Event Detection
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Refereed publication:Yes
Open Access:No
Number of Pages:238
Keywords:atypical scene detection, surveillance, change detection, abnormal events, threat detection
Institution:Deutsches Zentrum für Luft- und Raumfahrt (DLR) e.V.
Department:Institute of Flight Guidance
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:V SM - Sicherung der Mobilität (old)
DLR - Research area:Transport
DLR - Program:V SM - Sicherung der Mobilität
DLR - Research theme (Project):V - Terrestrische Verkehrsdatenerfassung (old)
Location: Braunschweig
Institutes and Institutions:Institute of Transportation Systems
Institute of Flight Guidance > Pilot Assistance
Deposited By: Meysel, Dr Frederik
Deposited On:14 Dec 2010 15:22
Last Modified:05 Feb 2014 13:40

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