METHOD AND DEVICE FOR DETERMINING SLEEPING PATTERN, AND COMPUTER READABLE STORAGE MEDIUM RECORDING THE METHOD
First Claim
1. A method of determining a sleeping pattern, the method comprising:
- measuring a first bio-signal from a user in an unrestrictive manner;
extracting a second bio-signal including a motion signal and a respiration signal, based on the first bio-signal;
determining an apnea measurement reference signal including a respiration measurement signal and a motion measurement signal, based on the second bio-signal;
generating a first evaluation signal based on the apnea measurement reference signal and a first time interval, and generating a plurality of second evaluation signals by dividing the first evaluation signal by a second time interval, that is smaller than the first time interval;
calculating standard deviation information based on the second evaluation signals; and
determining a sleeping pattern for the second time interval corresponding to the second evaluation signals, based on the standard deviation information, the sleeping pattern comprising at least one of a motion estimation section, an apnea estimation section, and a normal respiration estimation section.
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Accused Products
Abstract
A method and apparatus for measuring a first bio-signal from a user in an unrestrictive manner are provided. The method includes extracting a second bio-signal including a motion signal and a respiration signal, based on the first bio-signal; determining an apnea measurement reference signal including a respiration measurement signal and a motion measurement signal, based on the second bio-signal; dividing the apnea measurement reference signal by a first time interval to generate a first evaluation signal, and dividing the first evaluation signal by a second time interval, that is smaller than the first time interval, to generate second evaluation signals; calculating standard deviation information based on the second evaluation signals; and determining a sleeping pattern for the second time intervals corresponding to the second evaluation signals, based on the standard deviation information.
13 Citations
25 Claims
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1. A method of determining a sleeping pattern, the method comprising:
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measuring a first bio-signal from a user in an unrestrictive manner; extracting a second bio-signal including a motion signal and a respiration signal, based on the first bio-signal; determining an apnea measurement reference signal including a respiration measurement signal and a motion measurement signal, based on the second bio-signal; generating a first evaluation signal based on the apnea measurement reference signal and a first time interval, and generating a plurality of second evaluation signals by dividing the first evaluation signal by a second time interval, that is smaller than the first time interval; calculating standard deviation information based on the second evaluation signals; and determining a sleeping pattern for the second time interval corresponding to the second evaluation signals, based on the standard deviation information, the sleeping pattern comprising at least one of a motion estimation section, an apnea estimation section, and a normal respiration estimation section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A device for determining a sleeping pattern, the device comprising:
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a signal measuring sensor configured to measure a first bio-signal from a user in an unrestrictive manner; a bio-signal extractor configured to extract a second bio-signal including a motion signal and a respiration signal, based on the first bio-signal; a reference signal determiner configured to determine an apnea measurement reference signal including a respiration measurement signal and a motion measurement signal, based on the second bio-signal; an evaluation signal generator configured to generate a first evaluation signal based on the apnea measurement reference and a first time interval, and generate a plurality of second evaluation signals by dividing the first evaluation signal by a second time interval, that is smaller than the first time interval; a standard deviation information calculator configured to calculate standard deviation information based on the second evaluation signals; and a sleeping pattern determiner configured to determine a sleeping pattern for the second time interval corresponding to the second evaluation signals, based on the standard deviation information, the sleeping pattern comprising at least one of a motion estimation section, an apnea estimation section, and a normal respiration estimation section. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An apparatus for determining sleep apnea occurring in a user, the apparatus comprising:
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a signal measuring sensor configured to detect bio-signals from a user while the user sleeps, and comprising a polyvinylidene difluoride (PVDF)-based sensor including piezoelectric characteristics; and a controller configured to determine sleep apnea occurring in the user based on the bio-signals detected by the signal measuring sensor. - View Dependent Claims (24, 25)
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Specification