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Preventing Drowning Accidents Using Thermal Cameras

  • Soren Bonderup
  • Jonas OlssonEmail author
  • Morten Bonderup
  • Thomas B. Moeslund
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10073)

Abstract

Every year approximately 372 000 people die from unintentional drowning, causing it to be a top-3 cause to unintentional injury [1]. In Denmark 25% of drownings happen at harbor areas [2]. To address this problem thermal cameras have been placed strategically at a harbor. Using computer vision techniques an automatic surveillance system for predicting and detecting drowning accidents has been implemented. First a person detector has been implemented using simple human characteristics. The person is tracked using a Kalman Filter. Using the tracker as a prior, a fall prediction is determined. A fall detector is implemented using a virtual trip-wire in combination with an optical flow algorithm making the system able to detect 100% of all falls and only yielding a 0.08 false positive rate hourly. The entire system has been developed using 155 h of real life thermal video, hereof 56 h are manually annotated.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Soren Bonderup
    • 1
  • Jonas Olsson
    • 1
    Email author
  • Morten Bonderup
    • 1
  • Thomas B. Moeslund
    • 1
  1. 1.University of AalborgAalborgDenmark

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