NDLI: Statistical algorithm for detection and screening sleep apnea

Content Provider	IEEE Xplore Digital Library
Author	Falie, D. David, L. Ichim, M.
Copyright Year	2009
Description	Author affiliation: University of Agronomic science and Veterinary Medicine of Bucharest, Romania (David, L.; Ichim, M.) \|\| University Politehnica of Bucharest, Romania (Falie, D.)
Abstract	A non-invasive method for detection and screening obstructive sleep apnea (OSA) using a TOF camera. The camera is mounted to record the subject's thorax and abdomen from above; two signals describing the movement of the thorax and abdomen, respectively, are obtained by averaging the range values in two fixed regions of interest. Normally, these two signals are in phase, but during an OSA event, they are out of phase. The algorithm detects when the signals are out of phase, and so it is possible to detect an OSA event. When the subject turns in such a way that only an overall respiration signal can be measured, it may be possible to detect OSA events according to unusually low respiration amplitude. This algorithm is used in a new non-invasive method for monitoring the sleep and the recording of sleep apnea events, and the statistics of these events give an indication about the sleep quality.
Starting Page	1
Ending Page	4
File Size	852387
Page Count	4
File Format	PDF
ISBN	9781424437856
DOI	10.1109/ISSCS.2009.5206206
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-09
Publisher Place	Romania
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Event detection Cameras Amplitude modulation Frequency Sleep apnea Thorax Optical modulation Phase detection Signal detection Abdomen
Content Type	Text
Resource Type	Article

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