CN114190920A - Method and device for identifying user age by wearable device - Google Patents
Method and device for identifying user age by wearable device Download PDFInfo
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Abstract
The invention discloses a method and a device for identifying the age of a user by wearable equipment, wherein the method comprises the following steps: data, the data of gyroscope and the data of ground magnetic sensor of wearing equipment collection acceleration sensor, according to acceleration sensor's data and the data of gyroscope, confirm the orbit of wearing equipment's space operation, according to ground magnetic sensor's data and wearing equipment's orbit of space operation, determine the length of user's forearm, according to the length of user's forearm, determine user's age. Through the combination of the data of acceleration sensor, the data of gyroscope and the data of geomagnetic sensor, detect out the user of using wearing equipment's different ages to the realization is the user recommendation information of different ages, has improved user experience.
Description
Technical Field
The embodiment of the invention relates to the technical field of intelligent equipment, in particular to a method and a device for identifying the age of a user by wearable equipment.
Background
In recent years, wearable devices have become popular, i.e. wearable devices that are worn directly on the body or are a portable device integrated into the clothing or accessories of the user. Wearable equipment is not only a hardware equipment, realizes powerful function through software support and data interaction, high in the clouds interaction more, and wearable equipment will bring very big transition to our life, perception.
At present, in the application of some wearable devices, the wearable device can only identify the user who has already set, and the user of different age groups can not be identified automatically. Therefore, a solution that a wearable device can identify users of different age groups is needed.
Disclosure of Invention
The embodiment of the invention provides a method and a device for identifying the age of a user by wearable equipment, which can automatically realize users of different ages and improve the experience of the user.
In a first aspect, a method for identifying the age of a user by a wearable device provided by an embodiment of the present invention includes:
the wearable equipment acquires data of an acceleration sensor, data of a gyroscope and data of a geomagnetic sensor;
the wearable device determines a space running track of the wearable device according to the data of the acceleration sensor and the data of the gyroscope;
the wearable equipment determines the length of the forearm of the user according to the data of the geomagnetic sensor and the track of the space operation of the wearable equipment;
and the wearable equipment determines the age of the user according to the length of the forearm of the user.
Optionally, the determining, by the wearable device, a trajectory of spatial operation of the wearable device according to the data of the acceleration sensor and the data of the gyroscope includes:
the wearable device carries out noise reduction processing on the data of the acceleration sensor;
the wearable device determines the rotation angle of the wearable device according to the data of the gyroscope;
and the wearable equipment determines the space running track of the wearable equipment according to the data of the acceleration sensor subjected to noise reduction and the rotation angle of the wearable equipment.
Optionally, the determining, by the wearable device, a trajectory of the spatial operation of the wearable device according to the data of the acceleration sensor after the noise reduction processing and the rotation angle of the wearable device includes:
and the wearable equipment carries out double integral processing on the product of the acceleration value of the single shaft in the data of the acceleration sensor and the rotation angle of the wearable equipment to obtain the space running track of the wearable equipment.
Optionally, the wearable device determines the length of the forearm of the user according to the data of the geomagnetic sensor and the track of the space operation of the wearable device, including:
the wearable equipment determines the overturning angle of the user swing arm relative to the ground according to the data of the geomagnetic sensor;
and the wearable equipment obtains the length of the forearm of the user through a trigonometric function according to the overturning angle relative to the ground when the user swings the arm and the space running track of the wearable equipment.
Optionally, the determining, by the wearable device, the age of the user according to the length of the forearm of the user includes:
the wearable device determines the height value of the user according to the length of the forearm of the user and a preset human body proportion;
and the wearable device determines the age of the user through the height value of the user.
In a second aspect, an embodiment of the present invention provides an apparatus for identifying an age of a user by a wearable device, including:
the acquisition unit is used for acquiring data of the acceleration sensor, data of the gyroscope and data of the geomagnetic sensor;
the processing unit is used for determining a space running track of the wearable device according to the data of the acceleration sensor and the data of the gyroscope; determining the length of the forearm of the user according to the data of the geomagnetic sensor and the space running track of the wearable device; and determining the age of the user according to the length of the forearm of the user.
Optionally, the processing unit is specifically configured to:
carrying out noise reduction processing on the data of the acceleration sensor;
determining the rotation angle of the wearable device according to the data of the gyroscope;
and determining a space running track of the wearable equipment according to the data of the acceleration sensor subjected to noise reduction and the rotation angle of the wearable equipment.
Optionally, the processing unit is specifically configured to:
and performing double integral processing on the product of the single-axis acceleration value in the data of the acceleration sensor and the rotation angle of the wearable device to obtain the space running track of the wearable device.
Optionally, the processing unit is specifically configured to:
determining the turnover angle of the user swing arm relative to the ground according to the data of the geomagnetic sensor;
and obtaining the length of the forearm of the user through a trigonometric function according to the overturning angle relative to the ground when the user swings the arm and the space running track of the wearable device.
Optionally, the processing unit is specifically configured to:
determining the height value of the user according to the length of the forearm of the user and a preset human body proportion;
and determining the age of the user according to the height value of the user.
In a third aspect, an embodiment of the present invention further provides a computing device, including:
a memory for storing program instructions;
and the processor is used for calling the program instructions stored in the memory and executing the method for identifying the age of the user by the wearable device according to the obtained program.
In a fourth aspect, the embodiment of the present invention also provides a computer-readable non-volatile storage medium, which includes computer-readable instructions, and when the computer reads and executes the computer-readable instructions, the computer is caused to execute the method for identifying the age of the user by using the wearable device.
In the embodiment of the invention, the wearable device acquires data of an acceleration sensor, data of a gyroscope and data of a geomagnetic sensor, determines a spatial running track of the wearable device according to the data of the acceleration sensor and the data of the gyroscope, determines the length of the forearm of a user according to the data of the geomagnetic sensor and the spatial running track of the wearable device, and determines the age of the user according to the length of the forearm of the user. Through the combination of the data of acceleration sensor, the data of gyroscope and the data of geomagnetic sensor, detect out the user of using wearing equipment's different ages to the realization is the user recommendation information of different ages, has improved user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a method for identifying the age of a user by a wearable device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a trajectory of a space operation according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a calculation of arm length according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an apparatus for identifying a user age of a wearable device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First, a wearable device to which an embodiment of the present invention is applied will be described with reference to a structure shown in fig. 1. In the embodiment of the present invention, the wearable device 100 may include, but is not limited to, a Radio Frequency (RF) circuit 110, a memory 120, an input unit 130, a WiFi module 170, a display unit 140, a sensor 150, an audio circuit 160, a processor 180, and a motor 190.
Wherein those skilled in the art will appreciate that the wearable device 100 configuration shown in fig. 1 is merely exemplary and not limiting, the wearable device 100 may also include more or fewer components than shown, or combine certain components, or a different arrangement of components.
The RF circuit 110 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, for processing downlink information of a base station after receiving the downlink information; in addition, the uplink data of the wearable device 100 is sent to the base station. Typically, the RF circuitry includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 110 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication ("GSM"), General Packet Radio Service ("GPRS"), Code Division Multiple Access ("CDMA"), Wideband Code Division Multiple Access ("WCDMA"), Long Term Evolution ("LTE"), email, Short message Service ("SMS"), and the like.
The memory 120 may be used to store software programs and modules, and the processor 180 executes various functional applications and data processing of the wearable device 100 by operating the software programs and modules stored in the memory 120. The memory 120 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the wearable device 100, and the like. Further, the memory 120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The input unit 130 may be used to receive input numeric or character information and generate key signals related to user settings and function control of the wearable device 100. Specifically, the input unit 130 may include a touch panel 131, an image pickup device 132, and other input devices 133. The image capturing device 132 can photograph the image to be captured, so as to transmit the image to the processor 150 for processing, and finally, present the image to the user through the display panel 141. The touch panel 131, also referred to as a touch screen, may collect touch operations of a user on or near the touch panel 131 (e.g., operations of the user on or near the touch panel 131 using any suitable object or accessory such as a finger or a stylus pen), and drive the corresponding connection device according to a preset program. Alternatively, the touch panel 131 may include two parts, i.e., a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 180, and can receive and execute commands sent by the processor 180. In addition, the touch panel 131 may be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The input unit 130 may include other input devices 132 in addition to the touch panel 131 and the image pickup device 132. In particular, other input devices 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a joystick, and the like.
Among them, the display unit 140 may be used to display information input by the user or information provided to the user and various menus of the wearable device 100. The Display unit 140 may include a Display panel 141, and optionally, the Display panel 141 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch panel 131 can cover the display panel 141, and when the touch panel 131 detects a touch operation on or near the touch panel 131, the touch operation is transmitted to the processor 180 to determine the type of the touch event, and then the processor 180 provides a corresponding visual output on the display panel 141 according to the type of the touch event.
The visual output external display panel 141 that can be recognized by human eyes can be used as a display device in the embodiment of the present invention to display text information or image information. Although in fig. 1, the touch panel 131 and the display panel 141 are two separate components to implement the input and output functions of the wearable device 100, in some embodiments, the touch panel 131 and the display panel 141 may be integrated to implement the input and output functions of the wearable device 100.
In addition, the wearable device 100 may also include at least one sensor 150, such as a posture sensor, a distance sensor, a light sensor, and other sensors.
Specifically, the attitude sensor may also be referred to as a motion sensor, and as one of the motion sensors, an angular velocity sensor (also referred to as a gyroscope) may be cited, which is configured to measure a rotational angular velocity of the wearable device 100 in a state of motion when the wearable device 100 is deflected or tilted, so that the gyroscope can accurately analyze and determine an actual motion of a user using the wearable device 100, and perform a corresponding operation on the wearable device 100. For example: the motion sensing and the shake (the shake of the wearable device 100 achieves some functions) and the inertial navigation can be achieved according to the motion state of the object when no signal is available in a Global Positioning System (GPS for short), such as in a tunnel.
The sensor may be an optical sensor, which is mainly used to collect information such as wavelength and intensity of various light rays of light and adjust the backlight intensity of the display panel 141.
In addition, in the embodiment of the present invention, as the sensor 150, other sensors such as a barometer, a hygrometer, a thermometer, and an infrared sensor may be further configured, which are not described herein again.
The light sensor may also include a proximity sensor that may turn off the display panel 141 and/or backlight when the wearable device 100 is moved to the ear.
WiFi belongs to short distance wireless transmission technology, and the wearable device 100 can help the user send and receive e-mail, browse web pages, access streaming media, etc. through the WiFi module 170, which provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 170, it is understood that it does not belong to the essential constitution of the wearable device 100, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 180 is a control center of the wearable device 100, connects various parts of the whole wearable device 100 by using various interfaces and lines, and performs various functions of the wearable device 100 and processes data by running or executing software programs and/or modules stored in the memory 120 and calling data stored in the memory 120, thereby performing overall monitoring of the wearable device 100. Alternatively, processor 180 may include one or more processing units; preferably, the processor 180 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications.
It will be appreciated that the modem processor described above may not be integrated into the processor 180.
The wearable device 100 may further include at least one motor 190, and since the wearable device 100 is a power consuming device, the motor 190 may be a small motor, and at the same time, a plurality of motors may be configured for the wearable device 100 according to the amount of power that the motors can provide.
The wearable device 100 also includes a power source (not shown) for powering the various components.
Preferably, the power source may be logically connected to the processor 180 through a power management system, so as to implement functions of managing charging, discharging, and power consumption management through the power management system. Although not shown, the wearable device 100 may further include a bluetooth module or the like, which is not described herein.
It should be noted that the structure shown in fig. 1 is only an example, and the embodiment of the present invention is not limited thereto.
Fig. 2 exemplarily shows a process of identifying the age of a user by a wearable device according to an embodiment of the present invention, where the process may be executed by an apparatus for identifying the age of a user by a wearable device, and the apparatus may be a wearable device or may be located in a wearable device.
As shown in fig. 2, the process specifically includes:
In the embodiment of the invention, the wearable device can acquire data of an acceleration sensor, data of a gyroscope and data of a geomagnetic sensor, wherein the acceleration sensor can calculate the acceleration of the swing arm when the user uses the wearable device. The acceleration sensor may use a three-axis acceleration sensor. A gyroscope is an angular motion detection device that uses the moment of momentum sensitive housing of a high speed solid of revolution about one or two axes orthogonal to the axis of rotation with respect to the inertial space, and can be used to detect the angle of rotation of an object. The data of the geomagnetic sensor can be used for calculating the angle of the swing arm relative to the ground.
Specifically, firstly, the wearable device performs noise reduction processing on data of the acceleration sensor, and determines the rotation angle of the wearable device according to the data of the gyroscope. And then the wearable device determines the space running track of the wearable device according to the data of the acceleration sensor subjected to noise reduction processing and the rotation angle of the wearable device.
When the noise reduction is carried out, a band-pass filter of 0.2 hz-20 hz can be adopted, so that a waveform which is relatively consistent with the speed of the swing arm is obtained, and the noise reduction effect is improved.
When the trajectory of the space operation of the wearable device is calculated, the product of the acceleration value of the single axis in the data of the acceleration sensor and the rotation angle of the wearable device can be subjected to double integral processing to obtain the trajectory of the space operation of the wearable device.
In the swing arm process, the arc length of the wearing equipment in space operation can be approximate to a straight line, which is equivalent to the bottom edge of an isosceles triangle. As shown in fig. 3, the length in the black frame in fig. 3 is the arc length of the swing arm, that is, the trajectory of the spatial movement of the wearable device.
After the track of the space operation that obtains wearing equipment, wearing equipment can confirm the flip angle on relative ground when the user swing arm according to earth magnetism sensor's data. Then, the length of the forearm of the user is obtained through a trigonometric function according to the overturning angle relative to the ground when the user swings the arm and the space running track of the wearable device.
As shown in fig. 4, after the flip angle of the swing arm with respect to the ground is calculated from the data of the geomagnetic sensor, the length of the forearm of the user can be obtained by a trigonometric function. The calculation model can be approximate to an isosceles triangle, the length of the small arm is the waist of the isosceles triangle, and the bottom edge is the track of the space running of the swing arm which is approximate to a straight line and is also the track of the space running of the wearable equipment.
After the wearable device obtains the length of the forearm of the user, the height value of the user can be determined according to the length of the forearm of the user and the preset human body proportion. Wherein the human body proportion can be set according to experience. Further, the user's age or development information can be estimated from the height value of the user. And further different information can be recommended for users of different ages.
The embodiment shows that the wearable device collects data of the acceleration sensor, data of the gyroscope and data of the geomagnetic sensor, the track of the space operation of the wearable device is determined according to the data of the acceleration sensor and the data of the gyroscope, the length of the forearm of the user is determined according to the data of the geomagnetic sensor and the track of the space operation of the wearable device, and the age of the user is determined according to the length of the forearm of the user. Through the combination of the data of acceleration sensor, the data of gyroscope and the data of geomagnetic sensor, detect out the user of using wearing equipment's different ages to the realization is the user recommendation information of different ages, has improved user experience.
Based on the same technical concept, fig. 5 exemplarily shows a structure of an apparatus for identifying a user age by a wearable device according to an embodiment of the present invention, and the apparatus can perform a process for identifying a user age by the wearable device.
As shown in fig. 5, the apparatus may include:
the acquisition unit 501 is configured to acquire data of an acceleration sensor, data of a gyroscope, and data of a geomagnetic sensor;
a processing unit 502, configured to determine a trajectory of spatial operation of the wearable device according to the data of the acceleration sensor and the data of the gyroscope; determining the length of the forearm of the user according to the data of the geomagnetic sensor and the space running track of the wearable device; and determining the age of the user according to the length of the forearm of the user.
Optionally, the processing unit 502 is specifically configured to:
carrying out noise reduction processing on the data of the acceleration sensor;
determining the rotation angle of the wearable device according to the data of the gyroscope;
and determining a space running track of the wearable equipment according to the data of the acceleration sensor subjected to noise reduction and the rotation angle of the wearable equipment.
Optionally, the processing unit 502 is specifically configured to:
and performing double integral processing on the product of the single-axis acceleration value in the data of the acceleration sensor and the rotation angle of the wearable device to obtain the space running track of the wearable device.
Optionally, the processing unit 502 is specifically configured to:
determining the turnover angle of the user swing arm relative to the ground according to the data of the geomagnetic sensor;
and obtaining the length of the forearm of the user through a trigonometric function according to the overturning angle relative to the ground when the user swings the arm and the space running track of the wearable device.
Optionally, the processing unit 502 is specifically configured to:
determining the height value of the user according to the length of the forearm of the user and a preset human body proportion;
and determining the age of the user according to the height value of the user.
Based on the same technical concept, an embodiment of the present invention further provides a computing device, including:
a memory for storing program instructions;
and the processor is used for calling the program instructions stored in the memory and executing the method for identifying the age of the user by the wearable device according to the obtained program.
Based on the same technical concept, the embodiment of the invention also provides a computer-readable non-volatile storage medium, which comprises computer-readable instructions, and when the computer reads and executes the computer-readable instructions, the computer is enabled to execute the method for identifying the age of the user by the wearable device.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method of a wearable device for identifying a user's age, comprising:
the wearable equipment acquires data of an acceleration sensor, data of a gyroscope and data of a geomagnetic sensor;
the wearable device determines a space running track of the wearable device according to the data of the acceleration sensor and the data of the gyroscope;
the wearable equipment determines the length of the forearm of the user according to the data of the geomagnetic sensor and the track of the space operation of the wearable equipment;
and the wearable equipment determines the age of the user according to the length of the forearm of the user.
2. The method of claim 1, wherein the wearable device determining a trajectory of spatial travel of the wearable device from the data of the acceleration sensor and the data of the gyroscope comprises:
the wearable device carries out noise reduction processing on the data of the acceleration sensor;
the wearable device determines the rotation angle of the wearable device according to the data of the gyroscope;
and the wearable equipment determines the space running track of the wearable equipment according to the data of the acceleration sensor subjected to noise reduction and the rotation angle of the wearable equipment.
3. The method of claim 2, wherein the wearable device determines a trajectory of spatial operation of the wearable device according to the data of the acceleration sensor after the noise reduction processing and the rotation angle of the wearable device, and the method comprises:
and the wearable equipment carries out double integral processing on the product of the acceleration value of the single shaft in the data of the acceleration sensor and the rotation angle of the wearable equipment to obtain the space running track of the wearable equipment.
4. The method of claim 1, wherein the wearable device determining the length of the user's forearm from the data of the geomagnetic sensor and the trajectory of the wearable device's spatial movement comprises:
the wearable equipment determines the overturning angle of the user swing arm relative to the ground according to the data of the geomagnetic sensor;
and the wearable equipment obtains the length of the forearm of the user through a trigonometric function according to the overturning angle relative to the ground when the user swings the arm and the space running track of the wearable equipment.
5. The method of any of claims 1 to 4, wherein the wearable device determining the age of the user based on the length of the user's forearm, comprises:
the wearable device determines the height value of the user according to the length of the forearm of the user and a preset human body proportion;
and the wearable device determines the age of the user through the height value of the user.
6. An apparatus for identifying age of a user by a wearable device, comprising:
the acquisition unit is used for acquiring data of the acceleration sensor, data of the gyroscope and data of the geomagnetic sensor;
the processing unit is used for determining a space running track of the wearable device according to the data of the acceleration sensor and the data of the gyroscope; determining the length of the forearm of the user according to the data of the geomagnetic sensor and the space running track of the wearable device; and determining the age of the user according to the length of the forearm of the user.
7. The apparatus as claimed in claim 6, wherein said processing unit is specifically configured to:
carrying out noise reduction processing on the data of the acceleration sensor;
determining the rotation angle of the wearable device according to the data of the gyroscope;
and determining a space running track of the wearable equipment according to the data of the acceleration sensor subjected to noise reduction and the rotation angle of the wearable equipment.
8. The apparatus as claimed in claim 7, wherein said processing unit is specifically configured to:
and performing double integral processing on the product of the single-axis acceleration value in the data of the acceleration sensor and the rotation angle of the wearable device to obtain the space running track of the wearable device.
9. A computing device, comprising:
a memory for storing program instructions;
a processor for calling program instructions stored in said memory to execute the method of any one of claims 1 to 5 in accordance with the obtained program.
10. A computer-readable non-transitory storage medium including computer-readable instructions which, when read and executed by a computer, cause the computer to perform the method of any one of claims 1 to 5.
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