Wavelet based flickering flame detector using differential PIR sensors

  title={Wavelet based flickering flame detector using differential PIR sensors},
  author={Fatih Erden and Behcet Ugur Toreyin and Emin Birey Soyer and I. Inac and Osman Gunay and Kivanc Kose and A. Enis Çetin},
A Pyro-electric Infrared (PIR) sensor based flame detection system is proposed using a Markovian decision algorithm. A differential PIR sensor is only sensitive to sudden temperature variations within its viewing range and it produces a time-varying signal. The wavelet transform of the PIR sensor signal is used for feature extraction from sensor signal and wavelet parameters are fed to a set of Markov models corresponding to the flame flicker process of an uncontrolled fire, ordinary activity… CONTINUE READING
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