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Zoekresultaten

Zoekopdracht: faculteit: "FNWI" en publicatiejaar: "2010"

AuteursM.J. Metternich, M. Worring, A.W.M. Smeulders
TitelColor based tracing in real-life surveillance data
Boek/bron titelTransactions on Data Hiding and Multimedia Security V
Auteur/EditorY.Q. Shi
UitgeverSpringer
PlaatsBerlin
Jaar2010
Pagina's18-33
ISBN9783642142970
FaculteitFaculteit der Natuurwetenschappen, Wiskunde en Informatica
Instituut/afd.FNWI: Informatics Institute (II)
SamenvattingFor post incident investigation a complete reconstruction of an event is needed based on surveillance footage of the crime scene and surrounding areas. Reconstruction of the whereabouts of the people in the incident requires the ability to follow persons within a camera’s field-of-view (tracking) and between different cameras (tracing). In constrained situations a combination of shape and color information is shown to be best at discriminating between persons. In this paper we focus on person tracing between uncalibrated cameras with non-overlapping field-of-view. In these situations standard image matching techniques perform badly due to large, uncontrolled variations in viewpoint, light source, background and shading. We show that in these unconstrained real-life situations, tracing results are very dependent on the appearance of the subject.
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