Time Scales in Video Surveillance

Abstract

Events in surveillance video occur over many time scales, but common approaches to background subtraction and video representation are implicitly based on a single temporal scale. In this work, we derive a set of causal filters which define a temporal scale-space representation for the activity at each pixel. This scale-space can be maintained and… (More)
DOI: 10.1109/TCSVT.2008.928215

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