3 June 2011 YURAGI: analysis for detecting heart-rate by mat-type sensor in bed
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Abstract
This paper discusses a data analysis by YURAGI for a heart rate non-constraining monitoring system Three signals are employed: primary signal is obtained by a mat-type sensor, which is placed between a bed and subject, the second one is obtained by an ultrasonic vibration senor attached to bed frame, and third one is Gaussian noise. We compare the results from the synthesized data of the first and second signals with those of first signal and the noise. We employ weighted sum as the synthesized method. We consider Gaussian noise as YURAGI. The extraction algorithm was developed based on fuzzy logic. The comparison was done on 10 healthy volunteers and we evaluated the accuracy for various weight ratio. Here, we must concern the accuracy because the tiny accuracy difference causes large difference in the autonomic nerve system assessment. As the result, the results obtained from both synthesized signals were superior to that from mat-type sensor signal only. Thus, YURAGI analysis is useful to for detecting heart rate by mat-type sensor.
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Yutaka Hata, Yutaka Hata, Kiyotaka Ho, Kiyotaka Ho, Kei Kuramoto, Kei Kuramoto, Syoji Kobashi, Syoji Kobashi, Naoki Tsuchiya, Naoki Tsuchiya, Hiroshi Nakajima, Hiroshi Nakajima, } "YURAGI: analysis for detecting heart-rate by mat-type sensor in bed", Proc. SPIE 8058, Independent Component Analyses, Wavelets, Neural Networks, Biosystems, and Nanoengineering IX, 80580Y (3 June 2011); doi: 10.1117/12.883339; https://doi.org/10.1117/12.883339
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