Sedentary period detection utilizing a wearable electronic device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08B-021/04
A61B-005/00
A61B-005/0205
G06F-019/00
A61B-005/021
A61B-005/024
A61B-005/11
A61B-005/22
G01C-022/00
A61B-005/053
출원번호
US-0078981
(2016-03-23)
등록번호
US-9728059
(2017-08-08)
발명자
/ 주소
Arnold, Jacob Antony
Russell, Allison Maya
Wasson, II, Zachariah Lord
Yuen, Shelten Gee Jao
출원인 / 주소
Fitbit, Inc.
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
3인용 특허 :
178
초록▼
Systems and methods for determining a sedentary state of a user are described. Sensor data is collected and analyzed to calculate metabolic equivalent of task (MET) measures for a plurality of moments of interest. Based on the MET measures and a time period for which the MET measures exceed a thresh
Systems and methods for determining a sedentary state of a user are described. Sensor data is collected and analyzed to calculate metabolic equivalent of task (MET) measures for a plurality of moments of interest. Based on the MET measures and a time period for which the MET measures exceed a threshold value, it is determined whether the user is in a sedentary state. If the user is in the sedentary state, the user is provided a notification to encourage the user to perform a non-sedentary activity.
대표청구항▼
1. A method comprising: receiving by a server samples of sensor information obtained from a wearable electronic device for a plurality of moments of interest, the sensor information being generated when a user associated with the wearable electronic device performs one or more activities, the sample
1. A method comprising: receiving by a server samples of sensor information obtained from a wearable electronic device for a plurality of moments of interest, the sensor information being generated when a user associated with the wearable electronic device performs one or more activities, the samples being metabolic equivalent of task measures that are normalized;classifying by a processor of the server the samples for each of the moments of interest into at least one of a sedentary status and a non-sedentary status, based on comparing the samples for each of the moments of interest to a predetermined threshold;detecting by the processor a time period for which a number of consecutive ones of the samples indicate the sedentary status;determining by the processor whether the time period is greater than a threshold time period;identifying by the processor that the user is in a sedentary state upon determining that the time period is greater than the threshold time period, wherein the wearable electronic device is configured to generate an electronic notification in response to the processor identifying that the user is in the sedentary state;receiving by the processor i) data regarding a user response to the electronic notification and ii) a time of day at which the electronic notification was generated;determining by the processor that the data regarding the user response is indicative of the electronic notification failing to modify the sedentary status; andsending instructions to the wearable device to not generate subsequent electronic notifications within a window of time corresponding to the time of day at which the electronic notification was generated in response to determining that the data regarding the user response is indicative of the electronic notification failing to modify the sedentary status. 2. The method of claim 1, further comprising: sending from the server via a computer network to the wearable electronic device the electronic notification for presentation of the electronic notification on the wearable electronic device, wherein the electronic notification includes a message recommending the user to end the sedentary state, wherein the sending of the electronic notification is performed at another time of the day. 3. The method of claim 1, further comprising: determining that a value of one of the samples for one of the moments of interest is less than the predetermined threshold; andclassifying the one of the samples as having the sedentary status responsive to determining that the value is less than the predetermined threshold. 4. The method of claim 1, wherein each of the samples is classified as having the sedentary status, or the non-sedentary status, or an asleep status. 5. The method of claim 1, wherein each of the samples is classified as having the sedentary status, or the non-sedentary status, or a status indicating that the user is not wearing the wearable electronic device. 6. The method of claim 1, further comprising: detecting by the processor a time period for which a number of consecutive ones of the samples indicate the non-sedentary status;determining by the processor that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is greater than a predetermined time period; andidentifying by the processor that the user is in a non-sedentary state upon determining that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is greater than the pre-determined time period. 7. The method of claim 6, further comprising: determining by the processor that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is contiguous with the time period for which the number of consecutive ones of the samples indicate the sedentary status;identifying by the processor that the user has transitioned from the sedentary state to the non-sedentary state upon determining that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is contiguous with the time period for which the number of consecutive ones of the samples indicate the sedentary status; andsending from the server via a computer network to the wearable electronic device an electronic notification including a motivation message for display via the wearable electronic device upon identifying that the user has transitioned into the non-sedentary state. 8. The method of claim 1, wherein the metabolic equivalent of task measures are measures of energy expenditure, wherein each of the metabolic equivalent of task measures is non-zero. 9. The method of claim 1, further comprising: determining that a value of one of the samples for one of the moments of interest is greater than the predetermined threshold; andclassifying the one of the samples as having the non-sedentary status responsive to determining that the value is greater than the predetermined threshold. 10. The method of claim 1, further comprising: determining that a value of one of the samples for one of the moments of interest is greater than a second predetermined threshold higher than the predetermined threshold; andclassifying the one of the samples as having the non-sedentary status responsive to determining that the value is greater than the second predetermined threshold. 11. The method of claim 1, further comprising: determining that a value of a specific one of the samples for a specific moment of interest is greater than the predetermined threshold and less than a second predetermined threshold, the second predetermined threshold being higher than the predetermined threshold;determining that a value of one of the samples for a preceding moment of interest preceding the specific moment of interest corresponds to the sedentary status;determining that a value of one of the samples for a subsequent moment of interest subsequent to the specific moment of interest corresponds to the sedentary status; andclassifying the specific one of the samples as having the sedentary status. 12. The method of claim 1, further comprising: determining that values of samples for a group of consecutive moments of interest are each greater than the predetermined threshold and less than a second predetermined threshold, the second predetermined threshold being higher than the predetermined threshold;determining that a value of one of the samples for a preceding moment of interest preceding the group of consecutive moments of interest corresponds to the sedentary status;determining that a value of one of the samples for a subsequent moment of interest subsequent to the group of consecutive moments of interest corresponds to the sedentary status; andclassifying each of the samples for the group of consecutive moments of interest as having the sedentary status. 13. The method of claim 12, further comprising: prior to the classifying each of the samples for the group of consecutive moments of interest as having the sedentary status, determining that a size of the group of consecutive moments of interest is less than a size threshold. 14. The method of claim 1, wherein the moments of interest occur at regular time intervals. 15. A method comprising: receiving by a server samples of sensor information obtained from a wearable electronic device for a plurality of moments of interest, the sensor information being generated when a user associated with the wearable electronic device performs one or more activities, the samples being metabolic equivalent of task measures that are normalized;classifying by a processor of the server a continuous set of one or more of the samples for a corresponding set of the moments of interest into a sedentary status, based on determining that: a value of each of the samples in the set is between a first threshold value and a second threshold value,the set of the moments of interest is immediately preceded by a first moment of interest for which a status of the user is classified as sedentary,the set of the moments of interest is immediately followed by a second moment of interest for which the status of the user is classified as sedentary, andthe number of the one or more samples is less than a threshold number of samples;detecting by the processor a time period for which a number of consecutive ones of the samples indicate the sedentary status;determining by the processor whether the time period is greater than a threshold time period; andidentifying by the processor that the user is in a sedentary state upon determining that the time period is greater than the threshold time period. 16. A system comprising: a communication device configured to receive samples of sensor information obtained from a wearable electronic device for a plurality of moments of interest, the sensor information being generated when a user associated with the wearable electronic device performs one or more activities, the samples being metabolic equivalent of task measures that are normalized; anda processor coupled to the communication device, the processor configured to classify the samples for each of the moments of interest into at least one of a sedentary status and a non-sedentary status, based on comparing the samples for each of the moments of interest to a predetermined threshold,the processor configured to detect a time period for which a number of consecutive ones of the samples indicate the sedentary status;the processor configured to determine whether the time period is greater than a threshold time period;the processor configured to identify that the user is in a sedentary state upon determining that the time period is greater than the threshold time period, wherein the wearable electronic device is configured to generate an electronic notification in response to the processor identifying that the user is in the sedentary state,the processor configured to receive i) data regarding a user response to the electronic notification and ii) a time of day at which the electronic notification was generated;the processor configured to determine that the data regarding the user response is indicative of the electronic notification failing to modify the sedentary status; andthe processor configured to send instructions to the wearable device via the communication device to not generate subsequent electronic notifications within a window of time corresponding to the time of day at which the electronic notification was generated in response to determining that the data regarding the user response is indicative of the electronic notification failing to modify the sedentary status. 17. The system of claim 16, wherein the communication device is configured to send via a computer network to the wearable electronic device the electronic notification for presentation of the electronic notification on the wearable electronic device, wherein the electronic notification includes a message recommending the user to end the sedentary state, wherein the communication device is configured to send the electronic notification at another time of the day. 18. The system of claim 16, wherein the processor is further configured to determine that a value of one of the samples for one of the moments of interest is less than the predetermined threshold, wherein the processor is further configured to classify the one of the samples as having the sedentary status responsive to determining that the value is less than the predetermined threshold. 19. The system of claim 16, wherein each of the samples is classified as having the sedentary status, the non-sedentary status, or an asleep status. 20. The system of claim 16, wherein each of the samples is classified as having the sedentary status, the non-sedentary status, or a status indicating that the user is not wearing the wearable electronic device. 21. The system of claim 16, wherein the processor is configured to: detect a time period for which a number of consecutive ones of the samples indicate the non-sedentary status;determine that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is greater than a pre-determined time period; andidentify that the user is in a non-sedentary state upon determining that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is greater than the pre-determined time period. 22. The system of claim 16, wherein the processor is configured to determine that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is contiguous with the time period for which the number of consecutive ones of the samples indicate the sedentary status, wherein the processor is further configured to identify that the user has transitioned from the sedentary state to the non-sedentary state upon determining that the time period for which the number of consecutive ones of the samples indicate the non-sedentary status is contiguous with the time period for which the number of consecutive ones of the samples indicate the sedentary status,wherein the communication device is configured to send via a computer network to the wearable electronic device an electronic notification including a motivation message for display via the wearable electronic device upon determining that the user has transitioned into the non-sedentary state. 23. The system of claim 16, wherein the metabolic equivalent of task measures are measures of energy expenditure, wherein each of the metabolic equivalent of task measures is non-zero. 24. The system of claim 16, wherein the processor is configured to: determine that a value of one of the samples for one of the moments of interest is greater than the predetermined threshold; andclassify the one of the samples as having the non-sedentary status responsive to determining that the value is greater than the predetermined threshold. 25. The system of claim 16, wherein the processor is configured to: determine that a value of one of the samples for one of the moments of interest is greater than a second predetermined threshold higher than the predetermined threshold; andclassify the one of the samples as having the non-sedentary status responsive to determining that the value is greater than the second predetermined threshold. 26. The system of claim 16, wherein the processor is configured to: determine that a value of a specific one of the samples for a specific moment of interest is greater than the predetermined threshold and less than a second predetermined threshold, the second predetermined threshold being higher than the predetermined threshold;determine that a value of one of the samples for a preceding moment of interest preceding the specific moment of interest corresponds to the sedentary status;determine that a value of one of the samples for a subsequent moment of interest subsequent to the specific moment of interest corresponds to the sedentary status; andclassify the specific one of the samples as having the sedentary status. 27. The system of claim 16, wherein the processor is configured to: determine that values of samples for a group of consecutive moments of interest are each greater than the predetermined threshold and less than a second predetermined threshold, the second predetermined threshold being higher than the predetermined threshold;determine that a value of one of the samples for a preceding moment of interest preceding the group of consecutive moments of interest corresponds to the sedentary status;determine that a value of one of the samples for a subsequent moment of interest subsequent to the group of consecutive moments of interest corresponds to the sedentary status; andclassify each of the samples for the group of consecutive moments of interest as having the sedentary status. 28. The system of claim 27, wherein the processor is configured to: determine that a size of the group of consecutive moments of interest is less than a size threshold prior to the classifying each of the samples for the group of consecutive moments of interest as having the sedentary status. 29. The system of claim 16, wherein the moments of interest occur at regular time intervals. 30. A system comprising: a communication device configured to receive samples of sensor information obtained from a wearable electronic device for a plurality of moments of interest, the sensor information being generated when a user associated with the wearable electronic device performs one or more activities, the samples being metabolic equivalent of task measures that are normalized;a processor coupled to the communication device, the processor configured to classify continuous set of one or more of the samples for a corresponding set of the moments of interest into a sedentary status, based on a determination that: a value of each of the samples in the set is between a first threshold value and a second threshold value,the set of the moments of interest is immediately preceded by a first moment of interest for which a status of the user is classified as sedentary,the set of the moments of interest is immediately followed by a second moment of interest for which the status of the user is classified as sedentary, andthe number of the one or more samples is less than a threshold number of samples,the processor configured to detect a time period for which a number of consecutive ones of the samples indicate the sedentary status,the processor configured to determine whether the time period is greater than a threshold time period, andthe processor configured to identify that the user is in a sedentary state upon determining that the time period is greater than the threshold time period.
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