2016
DOI: 10.3414/me15-01-0140
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Unconstrained Sleep Stage Estimation Based on Respiratory Dynamics and Body Movement

Abstract: The developed system and methods can be applied to a home sleep monitoring system.

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Cited by 15 publications
(7 citation statements)
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“…26 reported an accuracy of 81% using a Doppler radar system to capture cardiorespiratory activity; and Hwang et al . 27 reported a Cohen’s κ of 0.48 and an accuracy of 70.9% using body movement and respiratory dynamics.…”
Section: Introductionmentioning
confidence: 99%
“…26 reported an accuracy of 81% using a Doppler radar system to capture cardiorespiratory activity; and Hwang et al . 27 reported a Cohen’s κ of 0.48 and an accuracy of 70.9% using body movement and respiratory dynamics.…”
Section: Introductionmentioning
confidence: 99%
“…These devices measure some biological signals which changes with sleep stage change such as Electrocardiogram (ECG) and respiratory movement. For example, Hwang and et al developed a mattress-type sensor and estimated sleep stage by measuring body movement and respiration signals with an accuracy close to 79.0% [6]. Kagawa et al estimated sleep stage using body movement and respiratory interval measured by a multiple radar sensor and their average estimation accuracy was 71.9% [7].…”
Section: Introductionmentioning
confidence: 99%
“…Compared to PSG results, the method classified the four sleep stages with an average accuracy of 70.9% and kappa of 0.48, which are comparable to those of ambulatory PSG devices. No significant differences were observed in the detection performances between the 12 normal and 13 OSA subject groups [26].…”
Section: Sleep Stage Estimation With Respiratory Signalsmentioning
confidence: 77%
“…These films are also appropriate for unobtrusively detecting mechanical loads caused by movements in bed. Thin PVDF film sensors located just under the bed cover sheet were used for sleep detection [26]. Based on body movement recordings, these sensors estimated sleep with 92.9% sensitivity, 62.0% specificity, and 89.2% accuracy for subjects whose sleep efficiency is higher than 80%.…”
Section: Environmental Devicesmentioning
confidence: 99%
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