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Implementation of a Respiration Measurement System Based on a Nonrestraint Approach

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2014, 19(11), pp.33-41
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Seokhyang Cho 1 Cho Seung Ho 2

1평택대학교
2강남대학교

Accredited

ABSTRACT

In this paper, we implemented a system to measure respiration rate with nonrestraint sensorscomfortable for people to do their everyday life. The proposed system consists of a pad covered with aPiezoelectric sensor, a respiration measuring device able to send the signal data after amplifying andfiltering the source signals to the viewer, a viewer providing sensor data visualization and implementingthe respiration measuring algorithm. The algorithm is based on a breathing cycle with the local peak pointsextracted from threshold on sensor data. Respiration measurements on 3 subjects were performed bychanging moving averages and thresholds. The proposed system showed less than 5% error rate when proper moving averages are N=50 ∼ 60 and a range of thresholds is 800 ∼ 1300. The system willcontribute to preventing suffocation during sleep for infants and the elderly living alone.

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