Respiratory Rate Monitoring Using Infrared Sensors
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Date
2016
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Institute of Electrical and Electronics Engineers Inc.
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Abstract
Respiratory rate is an essential parameter in many practical applications such as patient and elderly people monitoring. In this paper, a novel contact-free system is introduced to detect the human breathing activity. The system, which consists of two pyro-electric infrared (PIR) sensors, is capable of estimating the respiratory rate and detecting the sleep apnea. Sensors' signals corresponding to the thoracic movements of a human being are sampled using a microprocessor and analyzed on a general-purpose computer. Sampled signals are processed using empirical mode decomposition (EMD) and a new average magnitude difference function (AMDF) is used to detect the periodicity and the period of the processed signals. The resulting period, by using the fact that breathing is almost a periodic activity, is monitored as the respiratory rate. The new AMDF provides a way to fuse the data from the multiple sensors and generate a more reliable estimation of the respiratory rate. © 2015 Chamber of Electrical Engineers of Turkey.
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3
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ELECO 2015 - 9th International Conference on Electrical and Electronics Engineering -- 9th International Conference on Electrical and Electronics Engineering, ELECO 2015 -- 26 November 2015 through 28 November 2015 -- Bursa -- 119202
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Start Page
1136
End Page
1140