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      • Department of Electrical and Electronics Engineering
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      Falling person detection using multi-sensor signal processing

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      Author
      Töreyin, Behçet Uğur
      Soyer, Emin Birey
      Onaran, İbrahim
      Çetin, A. Enis
      Date
      2007
      Source Title
      Proceedings of the 15th Signal Processing and Communications Applications, IEEE 2007
      Print ISSN
      2165-0608
      Publisher
      IEEE
      Language
      Turkish
      Type
      Conference Paper
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      Abstract
      Falls are one of the most important problems for frail and elderly people living independently. Early detection of falls is vital to provide a safe and active lifestyle for elderly. In this paper, signals produced by sound and passive infrared (PIR) sensors are simultaneously analyzed to detect suddenly falling elderly people. A typical room in a supportive home can be equipped with sound and PIR sensors. Hidden Markov models are trained for regular and unusual activities of an elderly person and a pet for each sensor signal. Decisions of HMMs can be fused together to reach a final decision.
      Keywords
      Signal processing
      Senior citizens
      Acoustic sensors
      Infrared sensors
      Infrared detectors
      Permalink
      http://hdl.handle.net/11693/26956
      Published Version (Please cite this version)
      http://doi.org/10.1109/SIU.2007.4298709
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      • Department of Electrical and Electronics Engineering 3524
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