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Flame detection using PIR sensors

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4 Author(s)
B. Ugur Toreyin ; Elektrik ve Elektronik Mühendisli¿i Bölümü Bilkent Üniversitesi, Turkey ; E. Birey Soyer ; Onay Urfalioglu ; A. Enis Cetin

In this paper, a flame detection system based on a pyroelectric (or passive) infrared (PIR) sensor is described. The flame detection system can be used for fire detection in large rooms. The flame flicker process of an uncontrolled fire and ordinary activity of human beings are modeled using a set of hidden Markov models (HMM), which are trained using the wavelet transform of the PIR sensor signal. Whenever there is an activity within the viewing range of the PIR sensor system, the sensor signal is analyzed in the wavelet domain and the wavelet signals are fed to a set of HMMs. A fire or no fire decision is reached according to the HMM producing the highest probability.

Published in:

2008 IEEE 16th Signal Processing, Communication and Applications Conference

Date of Conference:

20-22 April 2008