Salient event-detection in video surveillance scenarios

  • Authors:
  • Kenneth Ellingsen

  • Affiliations:
  • Gjøvik University College, Gjøvik, Norway

  • Venue:
  • AREA '08 Proceedings of the 1st ACM workshop on Analysis and retrieval of events/actions and workflows in video streams
  • Year:
  • 2008

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Abstract

Surveillance video data is accumulating at a staggering rate, making its manual handling impossible. Therefore, automatic tools for analysis and processing of such data are highly needed. In most video surveillance scenarios the most interesting parts of the recorded data are those where an unusual event takes place. The rest of the data, which is actually representing the greatest part, relates to usual or normal activities that are of no real value to the security task and thus its viewing, storage and processing are pure waste of resources. Therefore, automatically finding the exact spot in a surveillance video sequence where an interesting event occurred is of great importance financially and to take timely actions. In this project we investigate the detection of remarkable events in video surveillance scenarios. We look into how to distinguish events in surveillance scenarios, and further what is a remarkable event. We specifically focus our attention on the event of object dropping in public places such as airports and train stations. We try to answer some of the following questions: Is it possible to create a system for modeling salient events in surveillance scenarios? How does one determine what stands out as a remarkable event? How to distinguish between less remarkable events and more remarkable event taking place?