CN112817378A - Wrist-lifting screen-lighting method of intelligent watch and intelligent watch - Google Patents
Wrist-lifting screen-lighting method of intelligent watch and intelligent watch Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/163—Wearable computers, e.g. on a belt
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/02—Detectors of external physical values, e.g. temperature
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
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- 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
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- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
Abstract
The invention discloses a wrist-lifting screen-brightening method of an intelligent watch, which comprises the steps of receiving initial wrist-lifting parameter customization request information from a user, and acquiring initial wrist-lifting parameters corresponding to wrist-lifting actions prestored in the intelligent watch; acquiring triaxial acceleration data corresponding to each wrist lifting action, and calculating acceleration variation, maximum acceleration, minimum acceleration and average acceleration in each axial direction corresponding to each time in the triaxial acceleration data acquired each time; selecting the minimum value in the acceleration variation, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration in each axial direction as calibration wrist lifting parameters corresponding to the user; and acquiring real-time triaxial acceleration of a user, and executing screen-on operation if the current triaxial acceleration is within the calibration wrist-lifting parameter range. The method and the device calibrate the wrist-lifting bright screen judgment parameters of the intelligent watch so as to be more suitable for each user.
Description
Technical Field
The invention relates to the technical field of intelligent watch screen lightening control, in particular to a wrist lifting screen lightening method of an intelligent watch and the intelligent watch.
Background
The smart watch is widely applied to the life of people, and because the smart watch is small in size and small in size of a battery pack, energy consumption of people is required to be reduced as much as possible in the using process. For the smart watch with the display screen, when people need to watch time, heart rate data or other functional data, the user needs to click the screen with a hand or press a key of the smart watch with the hand, and when the user does not wear the other hand of the watch, the user cannot simply light the screen. Therefore, there is a need for a way to illuminate the screen without the assistance of the other hand to meet the user's needs. In the prior art, a method for brightening the screen of the watch generally adopts the detection of the turning angle of the watch to judge whether a user has the action of lifting the wrist to lighten the screen, but the judgment method is not accurate, dynamic errors exist due to different motion states of each person, the phenomenon that the screen is not lightened after being turned for many times and the screen is lightened after being slightly moved exists occasionally, and the existing method for brightening the screen by lifting the wrist has the problems of instability and insensitivity. And meanwhile, the wrist-lifting bright screen judgment scheme is not completely adapted to the wrist-lifting actions of each person.
Disclosure of Invention
In view of this, the present invention provides a wrist-lifting and screen-lighting method for a smart watch and the smart watch, which calibrate a wrist-lifting and screen-lighting judgment parameter of the smart watch so as to be more suitable for each user.
In order to achieve the purpose, the invention provides a wrist-lifting screen-lighting method of an intelligent watch, which comprises the following steps:
s1, receiving a request from a user for customizing an initial wrist-lifting parameter, and acquiring an initial wrist-lifting parameter corresponding to a wrist-lifting action prestored in the smart watch according to the request, wherein the initial wrist-lifting parameter comprises a total acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration;
s2, detecting at least three wrist-lifting actions of the user, acquiring triaxial acceleration data corresponding to each wrist-lifting action in n sampling periods, and calculating total variation, maximum acceleration, minimum acceleration, average acceleration of each axial direction and acceleration variation in adjacent sampling periods during each wrist-lifting action according to the triaxial acceleration data;
s3, selecting a minimum value from the total acceleration variation of each axial direction as a total acceleration variation threshold calibrated in the corresponding axial direction, selecting a minimum value from the acceleration variation of each axial direction as an acceleration variation threshold calibrated in the corresponding axial direction, selecting a maximum value from the maximum acceleration as a maximum acceleration threshold calibrated in the corresponding axial direction, selecting a minimum value from the minimum acceleration as a minimum acceleration threshold calibrated in the corresponding axial direction, selecting a minimum value from the average acceleration as an average acceleration threshold calibrated in the corresponding axial direction, and taking the total acceleration variation threshold calibrated in each axial direction, the acceleration variation threshold calibrated, the maximum acceleration threshold calibrated, the minimum acceleration threshold calibrated and the average acceleration threshold calibrated as calibrated wrist lifting parameters of the user;
and S4, acquiring the real-time triaxial acceleration of the user, and if the real-time triaxial acceleration is within the range of the calibrated wrist-lifting parameter, executing a screen-lighting operation.
Preferably, the step S1 includes:
the method comprises the steps that a calibration page is arranged on a display interface of the intelligent watch, and an input instruction button used for indicating a user to input an initial wrist-lifting parameter customization request is arranged on the calibration page and used for prompting the user to execute a wrist-lifting action.
Preferably, the step S1 includes setting a calibration button on the smart watch, and receiving initial wrist-lift parameter customization request information from the user when the calibration button is pressed.
Preferably, the step S2 includes:
when first initial wrist-lifting parameter customization request information of a user is received, acquiring a group of triaxial acceleration data of the smart watch in a preset sampling period, and acquiring n groups of triaxial acceleration data;
and carrying out mean filtering processing on the acquired n groups of triaxial acceleration data to obtain n groups of filtered triaxial acceleration data.
Preferably, the step S2 includes: the sampling period is set to 40ms and n is set to 16.
Preferably, the step S2 includes:
respectively calculating the acceleration variation in each axial direction in adjacent sampling periods, and calculating the total acceleration variation in each axial direction in n sampling periods;
selecting the maximum acceleration and the minimum acceleration in each axial direction from the n groups of triaxial acceleration data;
respectively calculating the average acceleration in each axial direction according to the n groups of triaxial acceleration data;
if the acceleration variation in each axial direction is greater than the initial threshold of the acceleration variation in the corresponding axial direction, the total acceleration variation in each axial direction is greater than the initial threshold of the total acceleration variation in the corresponding axial direction, the maximum acceleration in each axial direction is greater than the initial threshold of the maximum acceleration in the corresponding axial direction, the minimum acceleration in each axial direction is greater than the initial threshold of the minimum acceleration in the corresponding axial direction, and the average acceleration in each axial direction is greater than the initial threshold of the average acceleration in the corresponding axial direction, determining that the action is a wrist lifting action, and storing the acceleration variation in each axial direction, the total acceleration variation, the maximum acceleration, the minimum acceleration and the average acceleration corresponding to the wrist lifting action.
Preferably, the step S2 further includes: if the wrist-lifting action is judged to be not the action of wrist lifting, a prompt message is output to prompt the user to re-execute the initial wrist-lifting parameter customization request.
Preferably, the step S3 includes:
selecting the minimum value in the acceleration variation quantity in the x-axis direction, the minimum value in the acceleration total variation quantity, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration from the stored acceleration variation quantity, acceleration total variation quantity, maximum acceleration, minimum acceleration and average acceleration in each axial direction corresponding to each wrist lifting action, sequentially recording the selected minimum value, minimum value and minimum value in the average acceleration as a calibrated acceleration variation quantity threshold value, a calibrated acceleration total variation quantity threshold value, a calibrated maximum acceleration threshold value, a calibrated minimum acceleration threshold value and a calibrated average acceleration threshold value in the x-axis direction, and taking the selected minimum value, minimum value and average acceleration threshold value as a calibrated wrist lifting threshold value in the;
selecting the minimum value in the acceleration variation, the minimum value in the total acceleration variation, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration in the y-axis direction, sequentially recording the minimum value in the acceleration variation, the total acceleration variation, the maximum acceleration and the average acceleration as a calibrated acceleration variation threshold value, a calibrated acceleration total variation threshold value, a calibrated maximum acceleration threshold value, a calibrated minimum acceleration threshold value and a calibrated average acceleration threshold value in the y-axis direction, and taking the minimum value in the acceleration variation, the minimum value in the acceleration total variation, the calibrated maximum acceleration threshold value;
selecting a minimum value in the acceleration variation, a minimum value in the total acceleration variation, a minimum value in the maximum acceleration, a minimum value in the minimum acceleration and a minimum value in the average acceleration in the z-axis direction, sequentially recording the minimum value in the acceleration variation, the total acceleration variation, the maximum acceleration threshold, the minimum acceleration threshold and the average acceleration threshold as calibrated wrist lifting threshold in the z-axis direction;
and constructing the calibration wrist lifting threshold value in the x-axis direction, the calibration wrist lifting threshold value in the y-axis direction and the calibration wrist lifting threshold value in the z-axis direction as calibration wrist lifting parameters corresponding to the user.
Preferably, the step S4 includes:
acquiring current acceleration variation, current total acceleration variation, current maximum acceleration, current minimum acceleration and current average acceleration of each axial direction in real-time triaxial acceleration;
and if the current acceleration variation of each axial direction is larger than the calibrated acceleration variation threshold of the corresponding axial direction, the current acceleration total variation of each axial direction is larger than the calibrated acceleration total variation threshold of the corresponding axial direction, the maximum acceleration of each axial direction is larger than the calibrated maximum acceleration threshold of the corresponding axial direction, the minimum acceleration of each axial direction is larger than the calibrated minimum acceleration threshold of the corresponding axial direction, and the average acceleration of each axial direction is larger than the calibrated average acceleration threshold of the corresponding axial direction, determining the wrist lifting action and executing the screen lightening operation.
To achieve the above object, the present invention provides a smart watch including:
the wrist-lifting parameter calibration triggering unit is used for receiving a request for customizing initial wrist-lifting parameters from a user and acquiring initial wrist-lifting parameters corresponding to wrist-lifting actions prestored in the intelligent watch according to the request, wherein the initial wrist-lifting parameters comprise a total acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration;
the wrist-lifting parameter measuring unit is used for detecting at least three wrist-lifting actions of the user, acquiring triaxial acceleration data corresponding to each wrist-lifting action in the n sampling periods, and calculating total acceleration variation, maximum acceleration, minimum acceleration, average acceleration and acceleration variation in adjacent sampling periods of each axial acceleration during each wrist-lifting action according to the triaxial acceleration data;
a calibration wrist-lifting parameter setting unit, which selects the minimum value in the total variation of the acceleration in each axial direction as the threshold value of the total variation of the acceleration calibrated in the corresponding axial direction, selecting the minimum value in the acceleration variation of each axial direction as the acceleration variation threshold calibrated in the corresponding axial direction, selecting the minimum value in the maximum acceleration as the maximum acceleration threshold calibrated in the corresponding axial direction, selecting the minimum value in the minimum acceleration as the minimum acceleration threshold calibrated in the corresponding axial direction, selecting the minimum value in the average acceleration as the average acceleration threshold calibrated in the corresponding axial direction, taking the calibrated total acceleration variation threshold, the calibrated maximum acceleration threshold, the calibrated minimum acceleration threshold and the calibrated average acceleration threshold in each axial direction as calibrated wrist-lifting parameters of the user;
and the wrist-lifting bright screen execution unit is used for acquiring the real-time triaxial acceleration of the user and executing bright screen operation if the real-time triaxial acceleration is within the range of the calibrated wrist-lifting parameters.
Compared with the prior art, the invention provides a wrist-lifting screen-lighting method of an intelligent watch and the intelligent watch, and the method has the following beneficial effects: according to the method, the default wrist-lifting bright-screen judgment parameter in the intelligent watch is calibrated, so that the calibrated wrist-lifting bright-screen judgment parameter can be more suitable for each user, each user has a unique wrist-lifting bright-screen parameter, and the bright-screen function more fitting the wrist-lifting action of the user is realized; the judgment error of the wrist-lifting bright screen is reduced, and the judgment of the wrist-lifting bright screen can be more accurately carried out.
Drawings
Fig. 1 is a flowchart of a method of a wrist-lifting screen-brightening method of a smart watch according to an embodiment of the present invention.
Fig. 2 is a system diagram of a smart watch according to an embodiment of the invention.
Detailed Description
The present invention will be described in detail with reference to the specific embodiments shown in the drawings, which are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the specific embodiments are included in the scope of the present invention.
In an embodiment of the present invention shown in fig. 1, the present invention provides a wrist-lifting screen-brightening method for a smart watch, including:
s1, receiving a request from a user for customizing an initial wrist-lifting parameter, and acquiring an initial wrist-lifting parameter corresponding to a wrist-lifting action prestored in the smart watch according to the request, wherein the initial wrist-lifting parameter comprises a total acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration;
s2, detecting at least three wrist-lifting actions of the user, acquiring triaxial acceleration data corresponding to each wrist-lifting action in n sampling periods, and calculating total variation, maximum acceleration, minimum acceleration, average acceleration of each axial direction and acceleration variation in adjacent sampling periods during each wrist-lifting action according to the triaxial acceleration data;
s3, selecting a minimum value from the total acceleration variation of each axial direction as a total acceleration variation threshold calibrated in the corresponding axial direction, selecting a minimum value from the acceleration variation of each axial direction as an acceleration variation threshold calibrated in the corresponding axial direction, selecting a minimum value from the maximum acceleration as a maximum acceleration threshold calibrated in the corresponding axial direction, selecting a minimum value from the minimum acceleration as a minimum acceleration threshold calibrated in the corresponding axial direction, selecting a minimum value from the average acceleration as an average acceleration threshold calibrated in the corresponding axial direction, and taking the total acceleration variation threshold calibrated in each axial direction, the acceleration variation threshold calibrated, the maximum acceleration threshold calibrated, the minimum acceleration threshold calibrated and the average acceleration threshold calibrated as calibrated wrist lifting parameters of the user;
and S4, acquiring the real-time triaxial acceleration of the user, and if the real-time triaxial acceleration is within the range of the calibrated wrist-lifting parameter, executing a screen-lighting operation.
In the prior art, whether the smart watch executes the bright screen operation or not is determined through the wrist-lifting parameters of the user, the problems that the wrist-lifting bright screen is unstable and insensitive exist, and the control of the bright screen of the smart watch is not accurate enough are solved.
Default initial wrist-lifting parameters are set in the smart watch, and the initial wrist-lifting parameters comprise an acceleration total variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration in n sampling periods. The threshold range of the initial wrist-lifting parameter is large, so that the initial wrist-lifting parameter cannot be suitable for each user, misjudgment can be caused, and the initial wrist-lifting parameter needs to be corrected. The three-axis acceleration corresponds to xyz three-axis acceleration, the initial wrist-lift parameter specifically refers to an acceleration total variation initial threshold, an acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold and an average acceleration initial threshold in the x-axis direction, an acceleration total variation initial threshold, an acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold and an average acceleration initial threshold in the y-axis direction, and an acceleration total variation initial threshold, an acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold and an average acceleration initial threshold in the z-axis direction.
When the user uses the smart watch for the first time, the smart watch prompts the user to calibrate the initial wrist lifting parameter so as to better accord with the judgment of the wrist lifting action of the user. And receiving a request for customizing the initial wrist lifting parameters from a user, and acquiring the initial wrist lifting parameters corresponding to the wrist lifting actions prestored in the smart watch according to the request. The calibration function may be performed through a user interface of the smart watch. Specifically, a calibration page is arranged on a display interface of the smart watch, an input instruction button used for indicating a user to input initial wrist-lifting parameter customization request information is arranged on the calibration page and used for prompting the user to execute a wrist-lifting action, and when the user inputs an instruction at the input button, the smart watch obtains the initial wrist-lifting parameter customization request information from the user. Also can carry out the calibration function through the intelligent wrist-watch APP customer end of installation, set up a calibration page at the APP customer end of intelligent wrist-watch, carry out at least cubic at this calibration page suggestion user and lift the wrist action. In another embodiment of the present invention, a calibration button is disposed on the smart watch, and when the calibration button is pressed, an initial wrist-lift parameter customization request message from a user is received.
And detecting the wrist-lifting action of the user for at least three times, acquiring triaxial acceleration data corresponding to each wrist-lifting action in the n sampling periods, and calculating the total acceleration variation, the maximum acceleration, the minimum acceleration, the average acceleration in each axial direction and the acceleration variation in the adjacent sampling period during each wrist-lifting action according to the triaxial acceleration data. In the parameter calibration process, each time a user performs a wrist lifting action, whether the wrist lifting action is performed is judged through the initial wrist lifting parameters. The first wrist raising operation will be specifically described as an example. When first initial wrist-lifting parameter customization request information of a user is received, collecting triaxial acceleration data of a group of smart watches in a preset sampling period, and collecting n groups of triaxial acceleration data. For example, the sampling period is set to 40ms, each set of three-axis acceleration data includes acceleration data in an x-axis direction, acceleration data in a y-axis direction, and acceleration data in a z-axis direction, and 16 sets of three-axis acceleration data are acquired. Acceleration data in the directions of the x axis, the y axis and the z axis are collected through a three-axis acceleration sensor in the intelligent watch. And filtering the acquired n groups of triaxial acceleration data, performing linear filtering on the n groups of triaxial acceleration data in a mean filtering mode, and removing abnormal data to obtain the filtered n groups of triaxial acceleration data. And calculating and processing the n groups of filtered triaxial acceleration data. The acceleration variation in each axial direction in adjacent sampling periods is calculated, and the total acceleration variation in each axial direction in n sampling periods is calculated, for example, in the above embodiment, the acceleration variation in the x-axis direction, the acceleration variation in the y-axis direction, and the acceleration variation in the z-axis direction are calculated in adjacent time intervals of 40ms, and the total acceleration variation in each axial direction in 16 × 40ms — 640ms is calculated. The maximum acceleration and the minimum acceleration in each axial direction are selected from the n sets of three-axis acceleration data, the maximum acceleration in the x-axis direction, the maximum acceleration in the y-axis direction, and the maximum acceleration in the z-axis direction are selected from the 16 sets of acceleration data, and the minimum acceleration in the x-axis direction, the minimum acceleration in the y-axis direction, and the minimum acceleration in the z-axis direction are selected. And respectively calculating the average acceleration in each axial direction according to the n groups of triaxial acceleration data, namely calculating the average acceleration in the x-axis direction, the average acceleration in the y-axis direction and the average acceleration in the z-axis direction. If the acceleration variation in each axial direction is greater than the initial threshold of the acceleration variation in the corresponding axial direction, the total acceleration variation in each axial direction is greater than the initial threshold of the total acceleration variation in the corresponding axial direction, the maximum acceleration in each axial direction is greater than the initial threshold of the maximum acceleration in the corresponding axial direction, the minimum acceleration in each axial direction is greater than the initial threshold of the minimum acceleration in the corresponding axial direction, and the average acceleration in each axial direction is greater than the initial threshold of the average acceleration in the corresponding axial direction, determining that the action is a wrist lifting action, and storing the acceleration variation in each axial direction, the total acceleration variation, the maximum acceleration, the minimum acceleration and the average acceleration corresponding to the wrist lifting action. If the wrist-lifting action is judged to be not the action of wrist lifting, a prompt message is output to prompt the user to re-execute the initial wrist-lifting parameter customization request. Based on the same method, after receiving the second initial wrist lifting parameter customization request information of the user and judging that the wrist lifting action is the second time, the acceleration variation total, the maximum acceleration, the minimum acceleration and the average acceleration in each axial direction corresponding to the second wrist lifting action are obtained. Similarly, the acceleration variation total, the maximum acceleration, the minimum acceleration and the average acceleration in each axial direction corresponding to the third wrist raising motion are obtained.
Selecting the minimum value in the acceleration variation quantity in the x-axis direction, the minimum value in the acceleration total variation quantity, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration from the stored acceleration variation quantity, acceleration total variation quantity, maximum acceleration, minimum acceleration and average acceleration in each axial direction corresponding to each wrist lifting action, sequentially recording the selected minimum value, minimum value and minimum value in the average acceleration as a calibrated acceleration variation quantity threshold value, a calibrated acceleration total variation quantity threshold value, a calibrated maximum acceleration threshold value, a calibrated minimum acceleration threshold value and a calibrated average acceleration threshold value in the x-axis direction, and taking the selected minimum value, minimum value and average acceleration threshold value as a calibrated wrist lifting threshold value in the; selecting the minimum value in the acceleration variation, the minimum value in the total acceleration variation, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration in the y-axis direction, sequentially recording the minimum value in the acceleration variation, the total acceleration variation, the maximum acceleration and the average acceleration as a calibrated acceleration variation threshold value, a calibrated acceleration total variation threshold value, a calibrated maximum acceleration threshold value, a calibrated minimum acceleration threshold value and a calibrated average acceleration threshold value in the y-axis direction, and taking the minimum value in the acceleration variation, the minimum value in the acceleration total variation, the calibrated maximum acceleration threshold value; selecting the minimum value in the acceleration variation, the minimum value in the total acceleration variation, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration in the z-axis direction, sequentially recording the minimum value in the minimum acceleration, the minimum acceleration and the average acceleration as a calibrated acceleration variation threshold value in the z-axis direction, a calibrated acceleration total variation threshold value, a calibrated maximum acceleration threshold value, a calibrated minimum acceleration threshold value and a calibrated average acceleration threshold value, and using the calibrated acceleration variation threshold value in the z-axis direction, the calibrated wrist lifting threshold value in the y-axis direction and the calibrated wrist lifting threshold value in the z-axis direction as calibrated wrist lifting parameters corresponding to the user. And taking the calibrated wrist-lifting parameter as a judgment basis for the wrist-lifting action of the user. Through this embodiment, each user can obtain the wrist parameter of lifting that itself corresponds on the smart watch, more can be applicable to each user, provides the unique wrist parameter of lifting of each user.
And acquiring real-time triaxial acceleration data of the user, and executing screen-on operation if the real-time triaxial acceleration is within the range of the calibrated wrist-lifting parameter. Acquiring current triaxial acceleration data of a user through a triaxial acceleration sensor, and acquiring current acceleration variation, current total acceleration variation, current maximum acceleration, current minimum acceleration and current average acceleration of each axial direction in real-time triaxial acceleration based on the same method; and if the current acceleration variation of each axial direction is larger than the calibrated acceleration variation threshold of the corresponding axial direction, the current acceleration total variation of each axial direction is larger than the calibrated acceleration total variation threshold of the corresponding axial direction, the maximum acceleration of each axial direction is larger than the calibrated maximum acceleration threshold of the corresponding axial direction, the minimum acceleration of each axial direction is larger than the calibrated minimum acceleration threshold of the corresponding axial direction, and the average acceleration of each axial direction is larger than the calibrated average acceleration threshold of the corresponding axial direction, determining the wrist lifting action and executing the screen lightening operation.
As shown in fig. 2, the present invention provides a smart watch including:
the wrist-lifting parameter calibration triggering unit 20 receives a request from a user for customizing an initial wrist-lifting parameter, and acquires an initial wrist-lifting parameter corresponding to a pre-stored wrist-lifting action in the smart watch according to the request, wherein the initial wrist-lifting parameter includes a total acceleration change initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration change initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration;
the wrist-raising parameter measuring unit 21 is used for detecting at least three wrist-raising actions of the user, acquiring triaxial acceleration data corresponding to each wrist-raising action in the n sampling periods, and calculating total acceleration variation, maximum acceleration, minimum acceleration, average acceleration and acceleration variation in adjacent sampling periods in each axial direction during each wrist-raising action according to the triaxial acceleration data;
the calibration wrist-lifting parameter setting unit 22 selects the minimum value in the total variation of the acceleration in each axial direction as the threshold value of the total variation of the acceleration calibrated in the corresponding axial direction, selecting the minimum value in the acceleration variation of each axial direction as the acceleration variation threshold calibrated in the corresponding axial direction, selecting the minimum value in the maximum acceleration as the maximum acceleration threshold calibrated in the corresponding axial direction, selecting the minimum value in the minimum acceleration as the minimum acceleration threshold calibrated in the corresponding axial direction, selecting the minimum value in the average acceleration as the average acceleration threshold calibrated in the corresponding axial direction, taking the calibrated total acceleration variation threshold, the calibrated maximum acceleration threshold, the calibrated minimum acceleration threshold and the calibrated average acceleration threshold in each axial direction as calibrated wrist-lifting parameters of the user;
and the wrist-lifting bright screen execution unit 23 is used for acquiring the real-time three-axis acceleration of the user, and executing bright screen operation if the real-time three-axis acceleration is within the range of the calibrated wrist-lifting parameter.
The wrist-lifting parameter calibration triggering unit receives a request for customizing initial wrist-lifting parameters from a user, and acquires the initial wrist-lifting parameters corresponding to the wrist-lifting actions prestored in the smart watch according to the request. Default initial wrist-lifting parameters are set in the smart watch, and the initial wrist-lifting parameters comprise an acceleration total variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration in n sampling periods. In a specific embodiment of the present invention, a calibration button is disposed on the smart watch, and when the calibration button is pressed, initial wrist-lift parameter customization request information from a user is received.
The wrist-lifting parameter measuring unit receives a request for customizing initial wrist-lifting parameters from a user, and obtains the initial wrist-lifting parameters corresponding to the wrist-lifting actions prestored in the smart watch according to the request, wherein the initial wrist-lifting parameters comprise a total acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration. In the parameter calibration process, each time a user performs a wrist lifting action, whether the wrist lifting action is performed is judged through the initial wrist lifting parameters.
The calibration wrist-lifting parameter setting unit selects the minimum value in the total variation of the acceleration in each axial direction as the threshold value of the total variation of the acceleration calibrated in the corresponding axial direction, selecting the minimum value in the acceleration variation of each axial direction as the acceleration variation threshold value calibrated in the corresponding axial direction, selecting the minimum value in the maximum acceleration of each axial direction as the maximum acceleration threshold value calibrated in the corresponding axial direction, selecting the minimum value in the minimum acceleration as the minimum acceleration threshold value calibrated in the corresponding axial direction, selecting the minimum value in the average acceleration as the average acceleration threshold value calibrated in the corresponding axial direction, and taking the calibrated total acceleration variation threshold, the calibrated maximum acceleration threshold, the calibrated minimum acceleration threshold and the calibrated average acceleration threshold in each axial direction as calibrated wrist-lifting parameters of the user.
The wrist-lifting bright-screen execution unit acquires current triaxial acceleration data of a user through a triaxial acceleration sensor, based on the same method, the bright-screen execution module acquires current acceleration variation in each axial direction, current total acceleration variation, current maximum acceleration, current minimum acceleration and current average acceleration in real-time triaxial acceleration, if the current acceleration variation in each axial direction is greater than a calibrated acceleration variation threshold in the corresponding axial direction, the current total acceleration variation in each axial direction is greater than a calibrated acceleration total variation threshold in the corresponding axial direction, the maximum acceleration in each axial direction is greater than a calibrated maximum acceleration threshold in the corresponding axial direction, the minimum acceleration in each axial direction is greater than a calibrated minimum acceleration threshold in the corresponding axial direction, and the average acceleration in each axial direction is greater than a calibrated average acceleration threshold in the corresponding axial direction, judging the wrist lifting action, and executing the screen lightening operation.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (10)
1. A wrist-lifting screen-brightening method of a smart watch is characterized by comprising the following steps:
s1, receiving a request from a user for customizing an initial wrist-lifting parameter, and acquiring an initial wrist-lifting parameter corresponding to a wrist-lifting action prestored in the smart watch according to the request, wherein the initial wrist-lifting parameter comprises a total acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration;
s2, detecting at least three wrist-lifting actions of the user, acquiring triaxial acceleration data corresponding to each wrist-lifting action in n sampling periods, and calculating total variation, maximum acceleration, minimum acceleration, average acceleration of each axial direction and acceleration variation in adjacent sampling periods during each wrist-lifting action according to the triaxial acceleration data;
s3, selecting a minimum value from the total acceleration variation of each axial direction as a total acceleration variation threshold calibrated in the corresponding axial direction, selecting a minimum value from the maximum acceleration as a maximum acceleration threshold calibrated in the corresponding axial direction, selecting a minimum value from the minimum acceleration as a minimum acceleration threshold calibrated in the corresponding axial direction, selecting a minimum value from the average acceleration as an average acceleration threshold calibrated in the corresponding axial direction, and taking the total acceleration variation threshold calibrated in each axial direction, the corrected acceleration variation threshold, the corrected maximum acceleration threshold, the corrected minimum acceleration threshold and the corrected average acceleration threshold as the calibrated wrist lifting parameter of the user;
and S4, acquiring the real-time triaxial acceleration of the user, and if the real-time triaxial acceleration is within the range of the calibrated wrist-lifting parameter, executing a screen-lighting operation.
2. The method for brightening the wrist-lifting screen of a smart watch according to claim 1, wherein said step S1 includes:
the method comprises the steps that a calibration page is arranged on a display interface of the intelligent watch, and an input instruction button used for indicating a user to input an initial wrist-lifting parameter customization request is arranged on the calibration page and used for prompting the user to execute a wrist-lifting action.
3. The method for brightening the wrist-lifting screen of a smart watch according to claim 1, wherein said step S1 includes:
and setting a calibration button on the intelligent watch, and receiving initial wrist-lifting parameter customization request information from a user when the calibration button is pressed.
4. The method for brightening the wrist-lifting screen of a smart watch according to claim 1, wherein said step S2 includes:
when first initial wrist-lifting parameter customization request information of a user is received, acquiring a group of triaxial acceleration data of the smart watch in the sampling period, and acquiring n groups of triaxial acceleration data;
and carrying out mean filtering processing on the acquired n groups of triaxial acceleration data to obtain n groups of filtered triaxial acceleration data.
5. The method for brightening the wrist-lifting screen of a smart watch according to claim 4, wherein said step S2 further comprises: the sampling period is set to 40ms and n is set to 16.
6. The method for brightening the wrist-lifting screen of a smart watch according to claim 4, wherein said step S2 includes:
respectively calculating the acceleration variation in each axial direction in adjacent sampling periods, and calculating the total acceleration variation in each axial direction in n sampling periods;
selecting the maximum acceleration and the minimum acceleration in each axial direction from the n groups of triaxial acceleration data;
respectively calculating the average acceleration in each axial direction according to the n groups of triaxial acceleration data;
if the acceleration variation in each axial direction is greater than the initial threshold of the acceleration variation in the corresponding axial direction, the total acceleration variation in each axial direction is greater than the initial threshold of the total acceleration variation in the corresponding axial direction, the maximum acceleration in each axial direction is greater than the initial threshold of the maximum acceleration in the corresponding axial direction, the minimum acceleration in each axial direction is greater than the initial threshold of the minimum acceleration in the corresponding axial direction, and the average acceleration in each axial direction is greater than the initial threshold of the average acceleration in the corresponding axial direction, determining that the action is a wrist lifting action, and storing the acceleration variation in each axial direction, the total acceleration variation, the maximum acceleration, the minimum acceleration and the average acceleration corresponding to the wrist lifting action.
7. The method for brightening the wrist-lifting screen of a smart watch according to claim 6, wherein said step S2 further comprises:
if the wrist-lifting action is judged to be not the action of wrist lifting, a prompt message is output to prompt the user to re-execute the initial wrist-lifting parameter customization request.
8. The method for brightening the wrist-lifting screen of a smart watch according to claim 6, wherein said step S3 includes:
selecting the minimum value in the acceleration variation quantity in the x-axis direction, the minimum value in the acceleration total variation quantity, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration from the stored acceleration variation quantity, acceleration total variation quantity, maximum acceleration, minimum acceleration and average acceleration in each axial direction corresponding to each wrist lifting action, sequentially recording the selected minimum value, minimum value and minimum value in the average acceleration as a calibrated acceleration variation quantity threshold value, a calibrated acceleration total variation quantity threshold value, a calibrated maximum acceleration threshold value, a calibrated minimum acceleration threshold value and a calibrated average acceleration threshold value in the x-axis direction, and taking the selected minimum value, minimum value and average acceleration threshold value as a calibrated wrist lifting threshold value in the;
selecting the minimum value in the acceleration variation, the minimum value in the total acceleration variation, the minimum value in the maximum acceleration, the minimum value in the minimum acceleration and the minimum value in the average acceleration in the y-axis direction, sequentially recording the minimum value in the acceleration variation, the total acceleration variation, the maximum acceleration and the average acceleration as a calibrated acceleration variation threshold value, a calibrated acceleration total variation threshold value, a calibrated maximum acceleration threshold value, a calibrated minimum acceleration threshold value and a calibrated average acceleration threshold value in the y-axis direction, and taking the minimum value in the acceleration variation, the minimum value in the acceleration total variation, the calibrated maximum acceleration threshold value;
selecting a minimum value in the acceleration variation, a minimum value in the total acceleration variation, a minimum value in the maximum acceleration, a minimum value in the minimum acceleration and a minimum value in the average acceleration in the z-axis direction, sequentially recording the minimum value in the acceleration variation, the total acceleration variation, the maximum acceleration threshold, the minimum acceleration threshold and the average acceleration threshold as calibrated wrist lifting threshold in the z-axis direction;
and constructing the calibration wrist lifting threshold value in the x-axis direction, the calibration wrist lifting threshold value in the y-axis direction and the calibration wrist lifting threshold value in the z-axis direction as calibration wrist lifting parameters corresponding to the user.
9. The method for brightening the wrist-lifting screen of a smart watch according to claim 8, wherein said step S4 includes:
acquiring current acceleration variation, current total acceleration variation, current maximum acceleration, current minimum acceleration and current average acceleration of each axial direction in real-time triaxial acceleration;
and if the current acceleration variation of each axial direction is larger than the calibrated acceleration variation threshold of the corresponding axial direction, the current acceleration total variation of each axial direction is larger than the calibrated acceleration total variation threshold of the corresponding axial direction, the maximum acceleration of each axial direction is larger than the calibrated maximum acceleration threshold of the corresponding axial direction, the minimum acceleration of each axial direction is larger than the calibrated minimum acceleration threshold of the corresponding axial direction, and the average acceleration of each axial direction is larger than the calibrated average acceleration threshold of the corresponding axial direction, determining the wrist lifting action and executing the screen lightening operation.
10. A smart watch, comprising:
the wrist-lifting parameter calibration triggering unit is used for receiving a request for customizing initial wrist-lifting parameters from a user and acquiring initial wrist-lifting parameters corresponding to wrist-lifting actions prestored in the intelligent watch according to the request, wherein the initial wrist-lifting parameters comprise a total acceleration variation initial threshold, a maximum acceleration initial threshold, a minimum acceleration initial threshold, an average acceleration initial threshold and an acceleration variation initial threshold in adjacent sampling periods in each axial direction of triaxial acceleration;
the wrist-lifting parameter measuring unit is used for detecting at least three wrist-lifting actions of the user, acquiring triaxial acceleration data corresponding to each wrist-lifting action in the n sampling periods, and calculating total acceleration variation, maximum acceleration, minimum acceleration, average acceleration and acceleration variation in adjacent sampling periods of each axial acceleration during each wrist-lifting action according to the triaxial acceleration data;
a calibration wrist-lifting parameter setting unit, which selects the minimum value in the total variation of the acceleration in each axial direction as the threshold value of the total variation of the acceleration calibrated in the corresponding axial direction, selecting the minimum value in the acceleration variation of each axial direction as the acceleration variation threshold calibrated in the corresponding axial direction, selecting the minimum value in the maximum acceleration as the maximum acceleration threshold calibrated in the corresponding axial direction, selecting the minimum value in the minimum acceleration as the minimum acceleration threshold calibrated in the corresponding axial direction, selecting the minimum value in the average acceleration as the average acceleration threshold calibrated in the corresponding axial direction, taking the calibrated total acceleration variation threshold, the calibrated maximum acceleration threshold, the calibrated minimum acceleration threshold and the calibrated average acceleration threshold in each axial direction as calibrated wrist-lifting parameters of the user;
and the wrist-lifting bright screen execution unit is used for acquiring real-time three-axis acceleration data of the user, and executing bright screen operation if the real-time three-axis acceleration is within the range of the calibrated wrist-lifting parameters.
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