A novel low-cost and small-size human tracking system with pyroelectric infrared sensor mesh network |
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| Affiliation: | 1. Basic Research Department, Children''s Cancer Hospital Egypt 57357, Cairo, Egypt;2. Biotechnology Program, School of Sciences and Engineering, The American University in Cairo, New Cairo, Egypt;3. Center for Cell and Gene Therapy, Baylor College of Medicine and Houston Methodist Hospital, Houston, Texas, USA;4. Texas Children''s Cancer Center, Baylor College of Medicine, Houston, Texas, USA |
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| Abstract: | This paper presents a low-cost and small-size human tracking system based on pyroelectric infrared (PIR) sensor mesh network. A wireless pyroelectric sensor network is developed using PIRs and PIR cone optics. The layout of PIRs and sensor nodes are well investigated and the real detection range of PIR is analyzed. A simple and effective PIR signal processing method is designed to get the event signal, and an innovative location method based on detecting angle bisectors of PIRs and data fusion is proposed. An improved Kalman filter and a particle filter are used for human tracking respectively. Simulation and Experimental results have shown that the human tracking system can effectively recognize, locate and track a human target with promising accuracy. |
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| Keywords: | Wireless sensor network Pyroelectric infrared sensor Human location Human tracking |
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