CN110680338A - User activity monitoring and judging method and device - Google Patents

User activity monitoring and judging method and device Download PDF

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Publication number
CN110680338A
CN110680338A CN201911115693.8A CN201911115693A CN110680338A CN 110680338 A CN110680338 A CN 110680338A CN 201911115693 A CN201911115693 A CN 201911115693A CN 110680338 A CN110680338 A CN 110680338A
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user
control board
main control
swing
wrist
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吴远斌
邬重阳
陈玩珠
梁君泽
张柏涛
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Guangzhou Jiaojiao Culture Communication Co Ltd
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Guangzhou Jiaojiao Culture Communication Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1118—Determining activity level
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/681—Wristwatch-type devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0219—Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Biophysics (AREA)
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  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Physiology (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
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  • Gyroscopes (AREA)

Abstract

The invention relates to the technical field of liveness monitoring, and discloses a user liveness monitoring and judging method and a device thereof, wherein a bracelet worn by a user is provided, a gyroscope and a main control board are arranged in the bracelet, the main control board is electrically connected with the gyroscope, and the main control board is communicated with a control platform; in a set time period, the gyroscope acquires the swing data of the wrist of the user, the main control board processes the swing data acquired by the gyroscope to form monitoring data, and the monitoring data is transmitted to the control platform; the control platform judges the activity of the user in the set time period according to the activity arrangement of the user in the set time period and by combining the monitoring data, and is convenient for monitoring the activity of the user in the set time period.

Description

User activity monitoring and judging method and device
Technical Field
The invention relates to the technical field of monitoring of liveness, in particular to a method and a device for monitoring and judging user liveness.
Background
For teachers and parents, the learning situation of children is the most concerned; in the learning stage of children, the teacher is most contacted with children, and parents can only know about the learning conditions of the children through the teacher, but the method can only know about the general conditions of the children, and cannot clearly know about the specific learning conditions of the children in class.
Disclosure of Invention
The invention provides a method for monitoring and judging the activity of a user aiming at the defects pointed out by the background technology, which is convenient for monitoring the activity of the user.
The invention is realized in such a way, the user activity monitoring and judging method comprises the steps of providing a bracelet worn on the hand of a user, wherein a gyroscope and a main control board are arranged in the bracelet, the main control board is electrically connected with the gyroscope, and the main control board is communicated with a control platform; in a set time period, the gyroscope acquires the swing data of the wrist of the user, the main control board processes the swing data acquired by the gyroscope to form monitoring data, and the monitoring data is transmitted to the control platform; and the control platform judges the activity of the user in the set time period according to the activity arrangement of the user in the set time period and by combining the monitoring data.
Further, according to the swing amplitude of the wrist of the user, the main control board processes and classifies the swing data into action amplitude grades, and the monitoring data form multi-level action amplitude grades.
Further, the main control board divides the monitoring data into at least five action amplitude levels.
Further, the five action amplitude levels of the monitoring data are as follows: a first stage: the swing amplitude of the wrist of the user is 0-10 degrees; and a second stage: the swing amplitude of the wrist of the user is 11-66 degrees; and a third stage: the swing amplitude of the wrist of the user is 67-124 degrees; fourth stage: the wrist swinging amplitude of the user is 125-179 degrees; and a fifth stage: the user's wrist swing amplitude is greater than 180 °.
Further, according to the difference of activity required by the user activity, the control platform grades the content of activity arrangement of the user in the set time; and the control platform performs grade matching or comparison on the monitoring data and the activity arrangement, and judges the activity of the user in a set time period.
Further, the gyroscope collects the wrist swing data of the user for N times within 1 second, wherein N is more than 2; the main control board processes the swing data collected by the gyroscope in the following steps:
s1: the main control board respectively calculates the difference values of the swing angles of the user wrist in the X direction, the Y direction and the Z direction:
ΔXi＝Xi-Xi-1；ΔYi＝Yi-Yi-1；ΔZi＝Zi-Zi-1；
wherein Xi、Xi-1、Yi、Yi-1、Zi、Zi-1The swing angles, DeltaX, of the user's wrist in the X, Y and Z directionsi、ΔYi、ΔZiThe difference values of two adjacent swing angles of the wrist of the user in the X direction, the Y direction and the Z direction are respectively.
S2: summing the differences of the swing angles of the user wrist in the X direction, the Y direction and the Z direction, wherein the formula is as follows:
Figure BDA0002273969580000021
wherein, the delta X, the delta Y and the delta Z are the sum of the difference values of the swing angles of the user wrist in the X direction, the Y direction and the Z direction respectively;
s3: adding the sum of the differences of the user wrist in the X direction, the Y direction and the Z direction, wherein the formula is as follows:
V＝ΔX+ΔY+ΔZ；
v is the sum of the difference sums of the user's wrist in the X direction, the Y direction and the Z direction.
Furthermore, the main control board is provided with a memory, and the main control board processes the swing data acquired by the gyroscope every second to form a one-time action amplitude grade; the master control board stores the number of occurrences of each action amplitude level in the memory for at least 1 minute.
Further, the device comprises a bracelet worn on the upper hand of the user and a control platform; the bracelet is internally provided with a gyroscope and a main control board, the main control board is electrically connected with the gyroscope, and the main control board is communicated with a control platform; the gyroscope acquires swing data of a wrist of a user, the main control board processes the swing data acquired by the gyroscope to form monitoring data, and the monitoring data is transmitted to the control platform; and the control platform judges the activity of the user in the set time period according to the activity arrangement of the user in the set time period and by combining the monitoring data.
Further, according to the swing amplitude of the wrist of the user, the main control board processes and classifies the swing data into action amplitude classes.
Furthermore, the main control board is provided with a memory, and the main control board processes the swing data acquired by the gyroscope every second to form a one-time action amplitude grade; the master control board stores the number of occurrences of each action amplitude level in the memory for at least 1 minute.
Compared with the prior art, the user activity monitoring and judging method provided by the invention has the advantages that the swing data of the user are collected and recorded through the gyroscope within the set time, the swing data collected by the gyroscope are subjected to data processing through the main control board to form monitoring data, and the monitoring data are transmitted to the control platform; therefore, the control platform can arrange the activities of the user according to the activities within the set time and combine the monitoring data, thereby realizing the judgment of the activity of the user within the set time.
Drawings
Fig. 1 is a schematic flowchart of a method for monitoring and determining user activity according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an apparatus for monitoring and determining user activity according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
Referring to fig. 1-2, preferred embodiments of the present invention are provided.
The embodiment provides a method for monitoring and judging user activity, which realizes the monitoring and judging of user activity through a user activity monitoring and judging device, wherein the device is provided with a gyroscope 112, a main control board 110 and a memory 113, and the main control board 110 is respectively electrically connected with the gyroscope 112 and the memory 113; the user activity monitoring and judging method realizes the judgment through a gyroscope 112, a main control board 110 and a memory 113 in the device.
Before the judgment, a time period needing to be monitored can be set, in the set time, the gyroscope 112 acquires the swing data of the wrist of the user in the set time, the main control board 110 processes the swing data acquired by the gyroscope 112 to form monitoring data, the main control board 110 is communicated with the control platform 111 to transmit the monitoring data to the control platform 111, and the control platform 111 can be a mobile phone, a computer or other intelligent equipment, so that the user can conveniently check the monitoring data; for teachers and parents, the activity liveness of the children in the period of time is obtained through the monitoring data, the teachers and the parents can know the period of time in which the children are active and the period of time is quiet through the monitoring data, and the state of the children in class can be known through the schedule of the children in the set time.
The main control board 110 processes the wobble data as follows:
s1, calculating the difference of the swing angle of the user' S wrist by the main control board 110, and calculating from the x direction, the y direction and the z direction, respectively, the formula is as follows:
ΔXi＝Xi-Xi-1；ΔYi＝Yi-Yi-1；ΔZi＝Zi-Zi-1；
wherein Xi、Xi-1、Yi、Yi-1、Zi、Zi-1Angle values in X, y and z directions, DeltaXi、ΔYi、ΔZiThe angular difference of two adjacent action amplitudes in the x direction, the y direction and the z direction is respectively.
S2: the angular differences in the 3 directions are then summed, and the gyroscope 112 collects the user's wrist swing data N times per second, where N is greater than 2, and the formula is as follows:
Figure BDA0002273969580000051
wherein, the delta X, the delta Y and the delta Z are respectively the sum of the angle differences of each action amplitude in the X direction, the Y direction and the Z direction;
in the present embodiment, sampling is performed at a sampling frequency of 50HZ, that is, 1s can obtain 50 sets of directional data, that is, N is 50, and the operation amplitude level calculation is performed every second.
S3: the degree differences for the 3 directions are then added, as follows:
v ═ Δ X + Δ Y + Δ Z; v is the sum of the angular differences in the three directions.
S4: finally, judging the angle amplitude grade according to the value of V; the angle amplitude grades are at least divided into 5 grades, and the first grade is 0-10 degrees; the second level is 11 to 66 °; the third stage is 67 ° to 124 °; the fourth stage is 125-179 degrees; the fifth level is greater than 180 °, and the main control board 110 stores the number of times of occurrence of each angle amplitude level every four minutes until the set time is reached after the level is good.
In the provided user activity monitoring and judging method, the swing data of the user are collected and recorded through the gyroscope 112 within the set time, the swing data collected by the gyroscope 112 are subjected to data processing through the main control board 110 to form monitoring data, and the monitoring data are transmitted to the control platform 111; therefore, the control platform 111 can arrange the activities of the user according to the activities within the set time, and then combine the monitoring data, so as to realize the judgment of the activity of the user within the set time, and facilitate the monitoring of the activity within the set time of the user.
The device is internally provided with Bluetooth equipment, parents can perform data interaction with a mobile phone through Bluetooth, check data, or perform data interaction through WeChat public numbers, and can also perform data interaction through Near Field Communication (NFC).
Because the main control board 110 calculates the action amplitude through the angle, the monitoring data processed by the main control board 110 is more accurate, even some small actions of children with bad habits can be seen through the data, and parents or teachers can correct some bad habits of children conveniently.
The device in this embodiment sets up in the bracelet, and the user of being convenient for wears, monitors often, and convenient and practical still has the USB interface on the bracelet, can charge through the USB interface.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The user activity monitoring and judging method is characterized by providing a bracelet worn on the hand of a user, wherein a gyroscope and a main control board are arranged in the bracelet, the main control board is electrically connected with the gyroscope, and the main control board is communicated with a control platform; in a set time period, the gyroscope acquires the swing data of the wrist of the user, the main control board processes the swing data acquired by the gyroscope to form monitoring data, and the monitoring data is transmitted to the control platform; and the control platform judges the activity of the user in the set time period according to the activity arrangement of the user in the set time period and by combining the monitoring data.
2. The user activity monitoring and determining method as claimed in claim 1, wherein the main control board processes and classifies the swing data into action amplitude classes according to a swing amplitude of a user's wrist, and the monitoring data is formed with multi-level action amplitude classes.
3. The method as claimed in claim 2, wherein the main control board divides the monitored data into at least five action amplitude levels.
4. The method as claimed in claim 3, wherein the five action amplitude levels of the monitored data are as follows: a first stage: the swing amplitude of the wrist of the user is 0-10 degrees; and a second stage: the swing amplitude of the wrist of the user is 11-66 degrees; and a third stage: the swing amplitude of the wrist of the user is 67-124 degrees; fourth stage: the wrist swinging amplitude of the user is 125-179 degrees; and a fifth stage: the user's wrist swing amplitude is greater than 180 °.
5. The method for monitoring and determining the activity of the user as claimed in any one of claims 2 to 4, wherein the control platform grades the content of the activity schedule of the user in the set time according to the difference of the activity required by the user activity; and the control platform performs grade matching or comparison on the monitoring data and the activity arrangement, and judges the activity of the user in a set time period.
6. The user activity monitoring and determination method according to any one of claims 1 to 4, wherein the gyroscope collects the user's wrist swing data N times in 1 second, where N is greater than 2; the main control board processes the swing data collected by the gyroscope in the following steps:
s1: the main control board respectively calculates the difference values of the swing angles of the user wrist in the X direction, the Y direction and the Z direction:
ΔXi＝Xi-Xi-1；ΔYi＝Yi-Yi-1；ΔZi＝Zi-Zi-1；
wherein Xi、Xi-1、Yi、Yi-1、Zi、Zi-1The swing angles, DeltaX, of the user's wrist in the X, Y and Z directionsi、ΔYi、ΔZiThe difference values of two adjacent swing angles of the wrist of the user in the X direction, the Y direction and the Z direction are respectively.
S2: summing the differences of the swing angles of the user wrist in the X direction, the Y direction and the Z direction, wherein the formula is as follows:
Figure FDA0002273969570000021
wherein, the delta X, the delta Y and the delta Z are the sum of the difference values of the swing angles of the user wrist in the X direction, the Y direction and the Z direction respectively;
s3: adding the sum of the differences of the user wrist in the X direction, the Y direction and the Z direction, wherein the formula is as follows:
V＝ΔX+ΔY+ΔZ；
v is the sum of the difference sums of the user's wrist in the X direction, the Y direction and the Z direction.
7. The method for monitoring and determining the activity of the user according to any one of claims 1 to 4, wherein the main control board is provided with a memory, and the main control board processes the swing data collected by the gyroscope every second to form an action amplitude level; the master control board stores the number of occurrences of each action amplitude level in the memory for at least 1 minute.
8. The user activity monitoring and judging device is characterized by comprising a bracelet worn on the upper hand of a user and a control platform; the bracelet is internally provided with a gyroscope and a main control board, the main control board is electrically connected with the gyroscope, and the main control board is communicated with a control platform; the gyroscope acquires swing data of a wrist of a user, the main control board processes the swing data acquired by the gyroscope to form monitoring data, and the monitoring data is transmitted to the control platform; and the control platform judges the activity of the user in the set time period according to the activity arrangement of the user in the set time period and by combining the monitoring data.
9. The user activity monitoring and determining device of claim 8, wherein the main control board processes and classifies the swing data into action amplitude classes according to the swing amplitude of the user's wrist.
10. The apparatus for monitoring and determining the activity of a user according to claim 8, wherein the main control board has a memory, and the main control board processes the swing data collected by the gyroscope every second to form a motion amplitude level; the master control board stores the number of occurrences of each action amplitude level in the memory for at least 1 minute.
CN201911115693.8A 2019-11-14 2019-11-14 User activity monitoring and judging method and device Pending CN110680338A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104055518A (en) * 2014-07-08 2014-09-24 广州柏颐信息科技有限公司 Fall detection wrist watch and fall detection method
CN104127187A (en) * 2014-08-05 2014-11-05 戴厚德 Wearable system and method for cardinal symptom quantitative detection of Parkinson patients
CN105380595A (en) * 2014-08-27 2016-03-09 精工爱普生株式会社 Activity status information computation system
CN105559751A (en) * 2015-12-14 2016-05-11 安徽华米信息科技有限公司 Method, device and wearable device for monitoring states of light activities
CN105848565A (en) * 2013-10-14 2016-08-10 耐克创新有限合伙公司 Calculating pace and energy expenditure from athletic movement attributes
CN106061383A (en) * 2013-09-19 2016-10-26 多萨威（澳大利亚）私人有限公司 Method and apparatus for monitoring quality of a dynamic activity of a body
CN106419926A (en) * 2016-03-07 2017-02-22 徐晋 Children attentiondeficit hyper-activity disorder behavior monitoring and reminding correction system
US20190246981A1 (en) * 2016-11-23 2019-08-15 Shenzhen University Limb movement gesture judgment method and device
CN110338804A (en) * 2019-07-02 2019-10-18 中山大学 Human body liveness appraisal procedure based on action recognition

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106061383A (en) * 2013-09-19 2016-10-26 多萨威（澳大利亚）私人有限公司 Method and apparatus for monitoring quality of a dynamic activity of a body
CN105848565A (en) * 2013-10-14 2016-08-10 耐克创新有限合伙公司 Calculating pace and energy expenditure from athletic movement attributes
CN104055518A (en) * 2014-07-08 2014-09-24 广州柏颐信息科技有限公司 Fall detection wrist watch and fall detection method
CN104127187A (en) * 2014-08-05 2014-11-05 戴厚德 Wearable system and method for cardinal symptom quantitative detection of Parkinson patients
CN105380595A (en) * 2014-08-27 2016-03-09 精工爱普生株式会社 Activity status information computation system
CN105559751A (en) * 2015-12-14 2016-05-11 安徽华米信息科技有限公司 Method, device and wearable device for monitoring states of light activities
CN106419926A (en) * 2016-03-07 2017-02-22 徐晋 Children attentiondeficit hyper-activity disorder behavior monitoring and reminding correction system
US20190246981A1 (en) * 2016-11-23 2019-08-15 Shenzhen University Limb movement gesture judgment method and device
CN110338804A (en) * 2019-07-02 2019-10-18 中山大学 Human body liveness appraisal procedure based on action recognition

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