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International Journal of Thermophysics

, Volume 33, Issue 10–11, pp 2237–2241 | Cite as

Human and Nonhuman Recognition Using Pyroelectric Infrared Detector

  • Weiguo Gong
  • Ke Wen
  • Lifang He
  • Lihua Cheng
  • Yong Li
Article

Abstract

The auto regressive (AR) model of time series is utilized in this paper to recognize a human and nonhuman from pyroelectric infrared (PIR) signals. Through the wavelet transform, the signals are reconstructed by removing the noise from the original signals. The coefficients of the AR model are selected as the features for human and nonhuman recognition and calculated by the Burg algorithm. The classification experiments of a human and nonhuman are performed with a support vector machine. The recognition results for different PIR signals using the proposed AR-based features show high performance with an optimal recognition rate, which is up to 94.6 % and higher than that of the traditional time domain feature and transform domain method, such as the wavelet entropy and wavelet entropy of the double-density dual-tree complex wavelet transform.

Keywords

Autoregressive model Human and nonhuman recognition Pyroelectric infrared detector Support vector machine 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Weiguo Gong
    • 1
  • Ke Wen
    • 1
  • Lifang He
    • 1
  • Lihua Cheng
    • 1
  • Yong Li
    • 1
  1. 1.Lab of Optoelectronic Technology and System of Ministry of EducationChongqing UniversityChongqingChina

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