Falling person detection using multisensor signal processing

Authors:
B. Ugur Toreyin;E. Birey Soyer;Ibrahim Onaran;A. Enis Cetin
Affiliations:
Department of Electrical and Electronics Engineering, Faculty of Engineering, Bilkent University, Bilkent, Ankara, Turkey;Department of Electrical and Electronics Engineering, Faculty of Engineering, Bilkent University, Bilkent, Ankara, Turkey;Department of Electrical and Electronics Engineering, Faculty of Engineering, Bilkent University, Bilkent, Ankara, Turkey;Department of Electrical and Electronics Engineering, Faculty of Engineering, Bilkent University, Bilkent, Ankara, Turkey
Venue:
EURASIP Journal on Advances in Signal Processing
Year:
2008

Citing 3
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Abstract

Falls are 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. Sound, passive infrared (PIR), and vibration sensors can be placed in a supportive home environment to provide information about daily activities of an elderly person. In this paper, signals produced by sound, PIR, and vibration sensors are simultaneously analyzed to detect falls. Hidden Markov models (HMM) are trained for regular and unusual activities of an elderly person and a pet for each sensor signal. Decisions of HMMs are fused together to reach a final decision.