CN108803896B - Method, device, terminal and storage medium for controlling screen - Google Patents
Method, device, terminal and storage medium for controlling screen Download PDFInfo
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- CN108803896B CN108803896B CN201810525708.7A CN201810525708A CN108803896B CN 108803896 B CN108803896 B CN 108803896B CN 201810525708 A CN201810525708 A CN 201810525708A CN 108803896 B CN108803896 B CN 108803896B
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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
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
Abstract
The embodiment of the application discloses a method, a device, a terminal and a storage medium for controlling a screen, which belong to the technical field of computers, and can enable the terminal to detect whether a rotation angle generated by the terminal from a first moment to a second moment is larger than a rotation angle threshold value or not, if the rotation angle is larger than the rotation angle threshold value, detect whether the screen is in a declination state or not, light the screen when the screen is in the declination state, start to detect whether the terminal meets a preset condition within a target time period at the moment of lighting the screen, and extinguish the screen when the terminal meets the preset condition within the target time period after lighting. It can be seen that the screen can be lightened when the rotation angle of the terminal in the specified time period is greater than the threshold value, and then the screen is extinguished when the terminal meets the preset condition, so that the effect of preventing the terminal from continuously consuming power after mistakenly lightening the screen is achieved under the condition that the terminal is ensured to quickly lighten the screen.
Description
Technical Field
The embodiment of the application relates to the technical field of computers, in particular to a method, a device, a terminal and a storage medium for controlling a screen.
Background
In the screen control method of the mobile terminal, since the screen consumes much power when lit, the terminal usually lights the screen when the user needs to use the screen, and lights the screen when the user does not need to use the screen.
In the related art, the terminal may be a smart watch worn on the wrist of the user. When the user needs to view the time in the watch or unread messages, the user will lift the wrist. When the terminal detects that the posture of the intelligent watch changes, the screen is lightened and the current time or unread message is displayed.
When the terminal detects that the posture of the intelligent watch changes, the screen is automatically lightened and the current time or unread information is continuously displayed. Therefore, the terminal will continue to light the screen and consume power when the user does not need to view the current time displayed by the terminal or unread information but lifts his wrist.
Disclosure of Invention
The embodiment of the application provides a method, a device, a terminal and a storage medium for controlling a screen, and can solve the problem that when a user does not need to check the current time displayed by the terminal or unread information but lifts a wrist, the terminal continuously lights the screen and consumes electric energy. The technical scheme is as follows:
according to a first aspect of the present application, there is provided a method for controlling a screen, which is applied to a terminal, the method including:
detecting whether a rotation angle is larger than a rotation angle threshold value, wherein the rotation angle is an angle difference value generated from a first moment to a second moment of the terminal, and the first moment is earlier than the second moment;
if the rotation angle is larger than the rotation angle threshold, detecting whether the screen is in a declination state, wherein the declination state is used for indicating that the front of the screen has a projection with an area larger than zero on a horizontal plane;
if the screen of the terminal is in the declination state, lightening the screen;
detecting whether the terminal meets a preset condition in a target time period after the screen is lightened or not from a third moment, wherein the preset condition is used for indicating that the screen is in an unused state, and the third moment is the moment when the screen is lightened;
and if the terminal meets the preset condition within the target time period after the terminal is lightened, turning off the screen.
According to a second aspect of the present application, there is provided an apparatus for controlling a screen, which is applied to a terminal, the apparatus including:
the terminal comprises an angle detection module, a rotation angle detection module and a rotation angle judging module, wherein the angle detection module is used for detecting whether a rotation angle is larger than a rotation angle threshold value or not, the rotation angle is an angle difference value generated from a first moment to a second moment by the terminal, and the first moment is earlier than the second moment;
a declination detection module, configured to detect whether the screen is in a declination state when the rotation angle is greater than the rotation angle threshold, where the declination state is used to indicate that a projection with an area greater than zero is provided on a horizontal plane on a front side of the screen of the terminal;
the screen lighting module is used for lighting the screen when the screen of the terminal is in the declination state;
the usage detection module is used for detecting whether the terminal meets a preset condition in a target time period after the screen is lightened from a third moment, wherein the preset condition is used for indicating that the screen is in an unused state, and the third moment is the moment when the screen is lightened;
and the screen extinguishing module is used for extinguishing the screen when the terminal meets the preset condition in the target time period after being lightened.
According to a third aspect of the present application, there is provided a terminal comprising a processor and a memory, the memory having stored therein at least one instruction, the instruction being loaded and executed by the processor to implement the method of controlling a screen according to the first aspect.
According to a fourth aspect of the present application, there is provided a computer-readable storage medium having stored therein at least one instruction, which is loaded and executed by a processor to implement the method of controlling a screen according to the first aspect.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
in the implementation process of the embodiment, the terminal can detect whether a rotation angle generated from a first moment to a second moment is larger than a rotation angle threshold, if the rotation angle is larger than the rotation angle threshold, whether the screen is in a declination state is detected, when the screen is in the declination state, the screen is lighted, whether the terminal meets a preset condition in a target time period is detected at the moment when the screen is lighted, and when the screen meets the preset condition in the lighted target time period, the screen is extinguished. It can be seen that, this embodiment can light the screen when the turned angle of terminal at appointed time quantum is greater than the threshold value, extinguishes the screen when the screen satisfies the preset condition afterwards, has played the circumstances of guaranteeing that the terminal lights the screen fast, prevents that the terminal from continuously power consumptive effect behind the screen of lighting by mistake.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 terminal in a default posture according to an embodiment of the present application;
FIG. 2 is a schematic view of a rotation angle provided by an embodiment of the present application;
FIG. 3 is a flow chart of a method of controlling a screen provided by an exemplary embodiment of the present application;
FIG. 4 is a flowchart of a method for controlling a screen provided by another exemplary embodiment of the present application;
FIG. 5 is a block diagram of an apparatus for controlling a screen provided in an exemplary embodiment of the present application;
fig. 6 is a block diagram of a terminal according to an exemplary embodiment of the present application;
fig. 7 is a block diagram of a terminal 700 according to an exemplary embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In order that the aspects shown in the embodiments of the present application can be easily understood, several terms appearing in the embodiments of the present application will be explained below.
Rotation angle: is the difference in the angle of the terminal about the target axis from the first time to the second time. Alternatively, the target axis may be any straight line except the normal of the screen when the terminal is in the default posture.
Optionally, the target axis may also be an x-axis or a y-axis in a spatial coordinate system in which the terminal is in the default posture. It should be noted that the spatial coordinate system may be a standard three-axis coordinate system. The terminal is in a default posture which can comprise a vertical screen state or a horizontal screen state, and the terminal can comprise a rectangular frame which is formed by connecting two first frames and two second frames, wherein the first frames are not shorter than the second frames. I.e. the first border can be understood as the long side in a rectangular border and the second border can be understood as the short side in a rectangular border.
Optionally, the portrait screen state is used to indicate a pose of the first frame perpendicular to the horizontal plane. The landscape state is used for indicating the posture of the second frame perpendicular to the horizontal plane. In one possible implementation, the x-axis is parallel to the horizontal plane and points in a horizontal right direction, the y-axis is perpendicular to the horizontal plane and points in a vertical upward direction, and the z-axis points outside the screen perpendicular to the screen. When the terminal determines the three-axis coordinate system in the default posture, the coordinate system will not change.
For example, please refer to fig. 1, which illustrates a schematic diagram of a terminal in a default posture according to an embodiment of the present application. In fig. 1, the first frame 111 and the first frame 112 of the terminal, and the second frame 113 and the second frame 114 are sequentially connected end to form an outer frame of the terminal. The terminal is perpendicular to the horizontal plane. The positive direction of the X-axis 121 is horizontally to the right, the positive direction of the Y-axis 122 is vertically upward, and the positive direction of the Z-axis 123 is vertically outward of the screen front.
Alternatively, the angle of rotation may comprise both a positive number indicating a positive rotation of the terminal about the target axis and a negative number indicating a negative rotation of the terminal about the target axis.
Rotation angle threshold: is the angular difference that the terminal makes from a first time to a second time, where the first time is earlier than the second time. Optionally, the first time is 0.6 seconds earlier than the second time.
Alternatively, the rotation angle threshold may be a predetermined value, such as any one of 30 °, 45 ° or 60 °. For example, the terminal is rotated about the x-axis by 30 ° from the first time to the second time. Please refer to fig. 2, which is a schematic view of a rotation angle provided in the present application. The terminal is in the attitude 21 at a first moment and in the attitude 22 at a second moment, and the rotation angle 23 is the angle between the attitude 21 and the attitude 22.
Optionally, the rotation angle threshold may also be a real-time adjustment value of the terminal. In one implementation, the terminal obtains the rotation angle threshold by inputting the angle adjustment parameter into the angle determination module. The angle determination model may be a machine learning model obtained by training in advance according to the positive sample set and the negative sample set. It should be noted that the positive sample set may be a set composed of sample angle values corresponding to the terminal in the use state, and the negative sample set may be a set composed of sample angle values corresponding to the terminal in the non-use state.
For example, in one possible implementation, the terminal first obtains at least one of geographic location, time, user account, weather and health data in the environment, while obtaining a sample angle generated by the terminal between the first time and the second time. When the sample angle is obtained, a dialog window for user operation can be displayed in a user interface of the terminal, and a user can indicate whether a screen of the terminal meets the requirement of an angle threshold value currently or not by clicking. The user determines that the sample angle meeting the angle threshold requirement is a positive sample, and the user determines that the sample angle not meeting the angle threshold requirement is a negative sample.
Alternatively, the rotation angle threshold will be provided by the angle determination model with different values depending on the angle adjustment parameter. For example, in the afternoon office, the user lies on the seat with a rotation angle value of 22 °. At home at night, the user is lying in bed and the rotation angle threshold will be 43 °. On weekends in rainy weather, the health data indicates that the user's heartbeat is steady and slow, and the angle determination model provides a rotation angle threshold of 46 °. The embodiment of the application does not specifically limit the angle adjustment parameters.
A declination state: the front of the screen of the finger terminal has a projection with an area greater than zero in a horizontal plane. In one possible implementation manner, the declination state may be a state in which a projection of the terminal on the z-axis is negative in a three-axis coordinate system.
Reclining chair mode: is a mode for indicating that the terminal is in a down-tilted state and is lighted when being used. The mode may be a function mode preset in the terminal. Alternatively, the user may manually control the mode to be turned on and off through an associated operation interface. The deck chair mode can be opened through the deck chair mode opening operation, the deck chair mode opening operation can be touch operation aiming at a terminal touch screen, and can also be voice control operation.
Illustratively, the method for controlling the screen, which is shown in the embodiment of the present application, may be applied to a terminal, where the terminal is provided with a display screen. The terminal may include a mobile phone, a tablet computer, smart glasses, a smart watch, a digital camera, an MP4 player terminal, an MP5 player terminal, a learning machine, a point-to-read machine, an electronic book, an electronic dictionary, a vehicle-mounted terminal, a Virtual Reality (VR) player terminal, an Augmented Reality (AR) player terminal, or the like.
Alternatively, a motion sensor may be provided in the terminal, and the motion sensor may include a gyroscope, a G-sensor (gravity acceleration sensor), an accelerometer, or the like.
Optionally, the terminal may include a front-facing camera, which may be an optical camera or an infrared camera, and is configured to collect an image of a space region directly facing the screen of the terminal.
Please refer to fig. 3, which is a flowchart illustrating a method for controlling a screen according to an exemplary embodiment of the present application. The method of controlling the screen can be applied to the terminal shown above. In fig. 3, a method of controlling a screen includes:
In this embodiment, the terminal may detect an angle difference generated from the first time to the second time, and after obtaining the angle difference, the terminal may compare the angle difference (i.e., the rotation angle) with a rotation angle threshold.
In one possible implementation, the terminal measures the attitude of the terminal at the first time and the second time, respectively. And if the terminal is in the three-axis coordinate system, obtaining projection values of the terminal on three coordinate axes. According to the scheme, one shaft can be taken as a rotating shaft, and the terminal posture rotates to generate a rotating angle. For example, if the terminal is at 90 ° to the y-axis at a first instant, and the terminal is at 150 ° to the axis at a second instant, the rotation angle is 60 °.
Optionally, the terminal may provide an auto-highlight function. When the user starts the automatic screen-lighting function, the terminal provides an automatic screen-lighting scheme including a recliner mode, a private mode conference mode and the like.
Alternatively, the terminal may separately provide a switch interface for the recliner mode for the user to turn the recliner mode on or off.
Alternatively, the terminal may acquire the rotation angle through a sensor such as a gyroscope or an acceleration sensor.
In step 320, if the rotation angle is greater than the rotation angle threshold, it is detected whether the screen is in a declination state, and the declination state is used to indicate that the front of the screen has a projection with an area greater than zero on the horizontal plane.
In the embodiment of the application, the terminal compares the rotation angle with the rotation angle threshold after acquiring the rotation angle, and when the rotation angle threshold is larger than the rotation angle threshold, the terminal performs the next detection to detect whether the terminal is in a declination state.
In step 330, if the screen of the terminal is in a declined state, the screen is lighted.
In the embodiment of the application, the terminal lights the screen when the screen is in a declined state. Since the terminal determines that the rotation angle needs to acquire the related angle values at the first time and the second time, a time from the first time to the second time needs to elapse before the screen is lit. When the terminal determines that the terminal is in a declining state, the screen is immediately lightened so that a user can unlock the terminal or view related information in the terminal.
And 340, starting from a third moment, detecting whether the terminal meets a preset condition in a target time period after the screen is lightened, wherein the preset condition is used for indicating that the screen is in an unused state, and the third moment is the moment when the screen is lightened.
In the embodiment of the application, the terminal detects whether the screen meets the preset condition within the target time period after the screen is lighted, starting at the moment (third moment) when the screen is lighted. The preset condition refers to that the screen is in an unused state. The purpose of this detection step is to determine whether the screen of the terminal is being used by the user, thereby avoiding the screen front of the terminal being mistakenly illuminated by the user for a long time, resulting in the waste of electric energy when the user does not use the screen.
And 350, if the terminal meets a preset condition in the lighted target time period, turning off the screen.
In the embodiment of the application, the terminal meets the preset condition in the target time period after being lighted, which indicates that the screen is in a state of not being used, and at this time, the terminal extinguishes the screen.
In summary, the method for controlling a screen according to this embodiment can enable the terminal to detect whether a rotation angle generated from a first time to a second time is greater than a rotation angle threshold, detect whether the screen is in a down tilt state if the rotation angle is greater than the rotation angle threshold, light the screen when the screen is in the down tilt state, start detecting whether the terminal meets a preset condition within a target time period at a time after lighting the screen, and extinguish the screen when the terminal meets the preset condition within the target time period after lighting the terminal. It can be seen that, this embodiment can light the screen when the turned angle of terminal at appointed time quantum is greater than the threshold value, extinguishes the screen when the screen satisfies the preset condition afterwards, has played the circumstances of guaranteeing that the terminal lights the screen fast, prevents that the terminal from continuously power consumptive effect behind the screen of lighting by mistake.
Based on the previous embodiment, the terminal can also provide another method for controlling the screen, please refer to the following embodiment.
Please refer to fig. 4, which is a flowchart illustrating a method for controlling a screen according to another exemplary embodiment of the present application. The method of controlling the screen can be applied to the terminal shown above. In fig. 4, the method of controlling a screen includes:
In an embodiment of the application, the terminal is capable of receiving a recliner mode opening operation in a user interface. For example, the terminal may set a shortcut button in the notification bar. The touch operation for the shortcut button may be regarded as a recliner mode opening operation.
Optionally, the recliner mode opening operation is for instructing the terminal to enter a recliner mode, which is a mode for instructing the terminal to light up when in a down-tilted state and being used.
In the embodiment of the application, the terminal can control the operating system of the terminal to enter the recliner mode. Alternatively, in one possible implementation, the terminal may separately turn on a system service for performing the recliner mode, controlling the illumination and closing of the screen. Optionally, several processes may be included in the system service, and each process may be responsible for obtaining a specified angle value, determining the magnitude of two numerical values, or turning on or off a screen.
For example, the terminal starts a deck chair mode system service, the deck chair mode system service includes a data acquisition process, a detection and judgment process and a screen opening and closing process, the data acquisition process is used for acquiring a rotation angle and a rotation angle threshold, the detection and judgment process is used for determining a size relation between the rotation angle and the rotation angle threshold, detecting whether a screen is in a declination state and detecting whether the terminal meets a preset condition in a target time period after being lighted, and the screen opening and closing process is used for lighting or extinguishing the screen according to a result determined by the detection and judgment process.
In step 403, it is detected whether the rotation angle is greater than the rotation angle threshold.
In the embodiment of the present application, the execution process of step 403 is the same as the execution process of step 310, and is not described herein again.
In step 404, if the rotation angle is greater than the rotation angle threshold, it is detected whether the screen is in a declination state.
In the embodiment of the present application, the execution process of step 404 is the same as the execution process of step 320, and details are not described here.
In the embodiment of the present application, the execution process of step 405 is the same as the execution process of step 330, and details are not described here.
It should be noted that, after the terminal performs the completion step 405, the terminal may perform the step 406 and the step 407, or may perform the step 408, the step 409 and subsequent steps. It should be noted that step 406, step 407, step 408 and step 409 can be used in combination to determine whether the terminal satisfies the preset condition.
In a possible implementation manner, when the preset condition includes both a static state and no human face is included in front of the screen, the terminal can extinguish the screen when detecting that the terminal is in the static state and no human face is included in front of the screen.
In another possible implementation, the terminal is capable of blanking the screen when it detects that it is in a stationary state and that the eyes in the face included in front of the screen are in a closed state.
And step 406, starting from the third moment, detecting whether the terminal is in a static state in the target time period after the terminal is lightened.
In this embodiment, the terminal may continuously detect whether the terminal is in a stationary state for a target time period after the screen is lit from the third time. Alternatively, the stationary state is used to indicate a state in which the difference between two immediately preceding and succeeding motion parameters of the designated motion sensor is smaller than the difference threshold. For example, when the difference threshold is 0.02g (g represents the acceleration of the free-fall body), the 28 th detection value of the gyroscope of the terminal in the target time period is 0.955g, the 29 th detection value is 0.967g, the difference between the two immediately preceding and succeeding gravitational acceleration values is 0.012g, which is smaller than the difference threshold of 0.02g, and it can be understood that the time period from the 28 th detection value to the 29 th detection value of the terminal is in a stationary state.
Optionally, the terminal may also implement the function of step 206 by performing step (1) and step (2).
(1) And respectively monitoring whether the n motion data difference values are smaller than a difference threshold value from the third moment, wherein the n motion data difference values are absolute values of the difference values of n pairs of adjacent collected same motion data in a target time period.
In this embodiment, the terminal can monitor whether the n motion data differences are smaller than the difference threshold value from the third time. Next, taking the data shown in table one as an example, the process of the terminal monitoring the n motion data differences will be described.
Watch 1
| Sequence of events | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Numerical value (g) | 0.954 | 0.962 | 0.969 | 0.965 | 0.961 | 0.955 | 0.963 |
In table one, the terminal detects gravity acceleration values 7 times in a total of 7 times in the target time period from the third time, and at this time, there are 6 motion data difference values in total, for details, see table two.
Watch two
| Sequence of events | 1 | 2 | 3 | 4 | 5 | 6 |
| Difference (g) | 0.008 | 0.007 | 0.004 | 0.004 | 0.006 | 0.008 |
It can be seen that in this scenario, the terminal obtains 6 motion data differences. When the difference threshold is 0.02g, each of the motion data differences is less than the difference threshold, respectively.
It should be noted that the data listed in the above table i and table ii may be data measured by a gyroscope or a G-sensor on one axis.
Alternatively, the embodiment of the present application may require that each of the motion data differences is smaller than the difference threshold respectively on three axes.
(2) And if each motion difference value in the n motion data difference values is smaller than the difference threshold value, determining that the screen is in a static state in the lighted target time period.
In this embodiment, the terminal will determine that the screen is in a stationary state within the target time period after being lit when each of the n motion data difference values is respectively smaller than the difference threshold.
In this embodiment, the terminal will extinguish the screen when the screen is in a stationary state within the target time period.
And step 408, acquiring a target image through the front camera at the fourth moment.
In this embodiment, the terminal acquires the target image through the front camera at the fourth time. Wherein the fourth time is not earlier than the third time and earlier than the end time of the target time period.
In one possible implementation, the fourth time may be the same time as the third time.
In another possible implementation, the fourth time may be one or several specified times later than the third time. For example, if the terminal sets 5 fourth moments in the target time period, the terminal acquires 5 target images at the 5 fourth moments respectively.
Optionally, the method is applied to a terminal with an optical camera and an infrared camera at the same time. The embodiment can also enable the terminal to determine which camera to use to acquire the target image according to the ambient light intensity. If the brightness of the ambient light intensity is enough and is larger than the preset light intensity, the terminal can adopt an optical camera. If the ambient light intensity is insufficient and less than the preset light intensity, the terminal can adopt an infrared camera.
In this embodiment, the terminal may detect whether the target image includes a human face after acquiring the target image. Optionally, the terminal has a face recognition function, and can recognize whether the target image includes a face.
When the target image is one piece, when the face does not exist in the target image, the target image is considered to contain no face.
When the target image is at least two images, the terminal confirms that the target image does not contain the human face when the at least two images do not contain the human face.
In this embodiment, after the terminal performs the step 409, the terminal may perform the step 410, or may perform the steps 411 and 412.
In step 410, if the target image does not contain the face, the screen is turned off.
In step 411, if the target image includes a face, it is detected whether eyes in the face are closed.
In this embodiment, since the application scenario of the present solution is that the user usually lies on a seat or a bed, the user may fall asleep while using the terminal. In this case, it is not possible to strictly judge whether the user is still using the screen of the terminal by merely detecting whether the user's face is facing the screen of the terminal. Therefore, the embodiment can also detect whether the eyes in the human face are closed or not under the condition that the target image contains the human face.
In step 412, if the eyes in the face are closed, the screen is extinguished.
In this embodiment, if the eyes in the face are closed, it is more likely that the user has fallen asleep, or that the user does not need to watch the screen. In this case, the terminal extinguishes the screen.
In summary, the method for controlling the screen provided in this embodiment can also control the terminal to enter the recliner mode by receiving the recliner mode start operation, thereby realizing controllability of the recliner mode switch.
Optionally, the embodiment may further be configured to light the screen when the terminal is in a tilted state, detect whether the terminal is in a stationary state within a target time period after the screen is lit, and extinguish the screen when the terminal is in the stationary state. Therefore, the terminal can be ensured to quickly light the screen when the user wants to use the screen, and the terminal can confirm that the user is not holding the terminal when the terminal is static, so that the screen is extinguished, the electric energy of the terminal is saved, and the content in the terminal can be prevented from leaking.
Optionally, the embodiment can also light the screen when the terminal is in a declination state, acquire the target image through the front camera, detect whether the target image contains a human face, and extinguish the screen when the target image does not contain the human face, so that the effect of extinguishing the screen when a user does not face the screen is realized, the electric energy of the terminal is saved, and the content in the terminal can be prevented from leaking.
Optionally, the screen can be lightened when the terminal is in a declination state, the target image is collected through the front camera, whether the target image contains the face or not is detected, the screen is extinguished when the target image contains the face and eyes in the face are closed, the screen is automatically extinguished when a user is in a rest state, and electric energy of the terminal is saved.
The following are embodiments of the apparatus of the present application that may be used to perform embodiments of the method of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, reference is made to the embodiments of the method of the present application.
Please refer to fig. 5, which is a block diagram illustrating an apparatus for controlling a screen according to an exemplary embodiment of the present application. The means for controlling the screen may be implemented as all or part of the terminal by software, hardware or a combination of both. The device includes:
an angle detection module 510, configured to detect whether a rotation angle is greater than a rotation angle threshold, where the rotation angle is an angle difference generated by the terminal from a first time to a second time, and the first time is earlier than the second time;
a declination detection module 520, configured to detect whether the screen is in a declination state when the rotation angle is greater than the rotation angle threshold, where the declination state is used to indicate that the front of the screen of the terminal has a projection with an area greater than zero on a horizontal plane;
a screen lighting module 530, configured to light a screen of the terminal when the screen is in the tilted state;
a usage detecting module 540, configured to detect, from a third time, whether the terminal meets a preset condition within a target time period after the screen is lit, where the preset condition is used to indicate that the screen is in an unused state, and the third time is a time when the screen is lit;
and a screen turning-off module 550, configured to turn off the screen when the terminal meets the preset condition within the target time period after being turned on.
In an alternative embodiment, the preset conditions that need to be obtained when the device operates include: the terminal is in a static state and at least one of human faces does not exist right in front of the terminal.
In an alternative embodiment, the detecting module 540 is configured to detect whether the terminal is in the static state within a target time period after being turned on, starting from the third time; a screen blanking module 550, configured to blank the screen when the screen is in the static state within the target time period.
In an optional embodiment, the detecting module 540 is configured to monitor, from the third time, whether n motion data difference values are smaller than a difference threshold, where the n motion data difference values are absolute values of difference values of n pairs of adjacent front and back collected same motion data in the target time period; and if each motion difference value in the n motion data difference values is smaller than the difference threshold value, determining that the screen is in the static state in the target time period after the screen is lightened.
In an optional embodiment, the detection module 540 is configured to acquire the target image through the front-facing camera at a fourth time, where the fourth time is not earlier than the third time and is earlier than an end time of the target time period; detecting whether the target image contains a human face; and a screen turning-off module 550, configured to turn off the screen when the target image does not include the face, where the terminal is configured with a front-facing camera.
In an optional embodiment, the apparatus further includes an eye closing and screen extinguishing module, configured to detect whether eyes in the face are closed when the face is included in the target image; and when the eyes in the human face are closed, extinguishing the screen.
In an optional embodiment, the apparatus further comprises a threshold determination module, configured to input an angle adjustment parameter into an angle determination model, and obtain the rotation angle threshold; the angle determination model is a machine learning model obtained by training according to a positive sample set and a negative sample set in advance, the positive sample set is a set formed by corresponding sample angle values when the terminal is in a use state, and the negative sample set is a set formed by corresponding sample angle values when the terminal is in a non-use state; wherein the angle adjustment parameters include: at least one of geographic location, time, user account, weather, and wellness data.
In an optional embodiment, the apparatus further comprises a recliner mode opening module for receiving a recliner mode opening operation for instructing the terminal to enter a recliner mode, the recliner mode being a mode for instructing the terminal to be lit when in the declined state and being used; controlling the terminal to enter the recliner mode; the angle detection module 510 is instructed to detect whether the rotation angle is greater than the rotation angle threshold.
Referring to fig. 6, which is a block diagram of a terminal according to an exemplary embodiment of the present application, as shown in fig. 6, the terminal includes a processor 610 and a memory 620, where the memory 620 stores at least one instruction, and the instruction is loaded and executed by the processor 610 to implement the method for controlling a screen according to the above embodiments.
Please refer to fig. 7, which is a block diagram illustrating a terminal 700 according to an exemplary embodiment of the present application. The terminal 700 may be: a smart phone, a tablet computer, an MP3 player (Moving Picture Experts Group Audio Layer III, motion video Experts compression standard Audio Layer 3), an MP4 player (Moving Picture Experts Group Audio Layer IV, motion video Experts compression standard Audio Layer 4), a notebook computer, or a desktop computer. Terminal 700 may also be referred to by other names such as user equipment, portable terminal, laptop terminal, desktop terminal, and so on.
In general, terminal 700 includes: a processor 701 and a memory 702.
The processor 701 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so on. The processor 701 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 701 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 701 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content required to be displayed on the display screen. In some embodiments, the processor 701 may further include an AI (Artificial Intelligence) processor for processing computing operations related to machine learning.
In some embodiments, the terminal 700 may further optionally include: a peripheral interface 703 and at least one peripheral. The processor 701, the memory 702, and the peripheral interface 703 may be connected by buses or signal lines. Various peripheral devices may be connected to peripheral interface 703 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of radio frequency circuitry 704, touch screen display 705, camera 706, audio circuitry 707, positioning components 708, and power source 709.
The peripheral interface 703 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 701 and the memory 702. In some embodiments, processor 701, memory 702, and peripheral interface 703 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 701, the memory 702, and the peripheral interface 703 may be implemented on a separate chip or circuit board, which is not limited in this embodiment.
The Radio Frequency circuit 704 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 704 communicates with communication networks and other communication devices via electromagnetic signals. The rf circuit 704 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 704 includes: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 704 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: the world wide web, metropolitan area networks, intranets, generations of mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the radio frequency circuit 704 may also include NFC (Near Field Communication) related circuits, which are not limited in this application.
The display screen 705 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 705 is a touch display screen, the display screen 705 also has the ability to capture touch signals on or over the surface of the display screen 705. The touch signal may be input to the processor 701 as a control signal for processing. At this point, the display 705 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display 705 may be one, providing the front panel of the terminal 700; in other embodiments, the display 705 can be at least two, respectively disposed on different surfaces of the terminal 700 or in a folded design; in still other embodiments, the display 705 may be a flexible display disposed on a curved surface or on a folded surface of the terminal 700. Even more, the display 705 may be arranged in a non-rectangular irregular pattern, i.e. a shaped screen. The Display 705 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), or the like.
The camera assembly 706 is used to capture images or video. Optionally, camera assembly 706 includes a front camera and a rear camera. Generally, a front camera is disposed at a front panel of the terminal, and a rear camera is disposed at a rear surface of the terminal. In some embodiments, the number of the rear cameras is at least two, and each rear camera is any one of a main camera, a depth-of-field camera, a wide-angle camera and a telephoto camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, and the main camera and the wide-angle camera are fused to realize panoramic shooting and VR (Virtual Reality) shooting functions or other fusion shooting functions. In some embodiments, camera assembly 706 may also include a flash. The flash lamp can be a monochrome temperature flash lamp or a bicolor temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp, and can be used for light compensation at different color temperatures.
The audio circuitry 707 may include a microphone and a speaker. The microphone is used for collecting sound waves of a user and the environment, converting the sound waves into electric signals, and inputting the electric signals to the processor 701 for processing or inputting the electric signals to the radio frequency circuit 704 to realize voice communication. For the purpose of stereo sound collection or noise reduction, a plurality of microphones may be provided at different portions of the terminal 700. The microphone may also be an array microphone or an omni-directional pick-up microphone. The speaker is used to convert electrical signals from the processor 701 or the radio frequency circuit 704 into sound waves. The loudspeaker can be a traditional film loudspeaker or a piezoelectric ceramic loudspeaker. When the speaker is a piezoelectric ceramic speaker, the speaker can be used for purposes such as converting an electric signal into a sound wave audible to a human being, or converting an electric signal into a sound wave inaudible to a human being to measure a distance. In some embodiments, the audio circuitry 707 may also include a headphone jack.
The positioning component 708 is used to locate the current geographic Location of the terminal 700 for navigation or LBS (Location Based Service). The Positioning component 708 can be a Positioning component based on the Global Positioning System (GPS) in the united states, the beidou System in china, or the galileo System in russia.
In some embodiments, terminal 700 also includes one or more sensors 710. The one or more sensors 710 include, but are not limited to: acceleration sensor 711, gyro sensor 712, pressure sensor 713, fingerprint sensor 714, optical sensor 715, and proximity sensor 716.
The acceleration sensor 711 can detect the magnitude of acceleration in three coordinate axes of a coordinate system established with the terminal 700. For example, the acceleration sensor 711 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 701 may control the touch screen 705 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 711. The acceleration sensor 711 may also be used for acquisition of motion data of a game or a user.
The gyro sensor 712 may detect a body direction and a rotation angle of the terminal 700, and the gyro sensor 712 may cooperate with the acceleration sensor 711 to acquire a 3D motion of the terminal 700 by the user. From the data collected by the gyro sensor 712, the processor 701 may implement the following functions: motion sensing (such as changing the UI according to a user's tilting operation), image stabilization at the time of photographing, game control, and inertial navigation.
Pressure sensors 713 may be disposed on a side bezel of terminal 700 and/or an underlying layer of touch display 705. When the pressure sensor 713 is disposed on a side frame of the terminal 700, a user's grip signal on the terminal 700 may be detected, and the processor 701 performs right-left hand recognition or shortcut operation according to the grip signal collected by the pressure sensor 713. When the pressure sensor 713 is disposed at a lower layer of the touch display 705, the processor 701 controls the operability control on the UI interface according to the pressure operation of the user on the touch display 705. The operability control comprises at least one of a button control, a scroll bar control, an icon control and a menu control.
The fingerprint sensor 714 is used for collecting a fingerprint of a user, and the processor 701 identifies the identity of the user according to the fingerprint collected by the fingerprint sensor 714, or the fingerprint sensor 714 identifies the identity of the user according to the collected fingerprint. When the user identity is identified as a trusted identity, the processor 701 authorizes the user to perform relevant sensitive operations, including unlocking a screen, viewing encrypted information, downloading software, paying, changing settings, and the like. The fingerprint sensor 714 may be disposed on the front, back, or side of the terminal 700. When a physical button or a vendor Logo is provided on the terminal 700, the fingerprint sensor 714 may be integrated with the physical button or the vendor Logo.
The optical sensor 715 is used to collect the ambient light intensity. In one embodiment, the processor 701 may control the display brightness of the touch display 705 based on the ambient light intensity collected by the optical sensor 715. Specifically, when the ambient light intensity is high, the display brightness of the touch display screen 705 is increased; when the ambient light intensity is low, the display brightness of the touch display 705 is turned down. In another embodiment, processor 701 may also dynamically adjust the shooting parameters of camera assembly 706 based on the ambient light intensity collected by optical sensor 715.
A proximity sensor 716, also referred to as a distance sensor, is typically disposed on a front panel of the terminal 700. The proximity sensor 716 is used to collect the distance between the user and the front surface of the terminal 700. In one embodiment, when the proximity sensor 716 detects that the distance between the user and the front surface of the terminal 700 gradually decreases, the processor 701 controls the touch display 705 to switch from the bright screen state to the dark screen state; when the proximity sensor 716 detects that the distance between the user and the front surface of the terminal 700 gradually becomes larger, the processor 701 controls the touch display 705 to switch from the breath screen state to the bright screen state.
Those skilled in the art will appreciate that the configuration shown in fig. 7 is not intended to be limiting with respect to terminal 700, and that terminal 700 may include more or fewer components than those shown, or may combine certain components, or may employ a different arrangement of components.
The embodiment of the present application further provides a computer-readable medium, which stores at least one instruction, and the at least one instruction is loaded and executed by the processor to implement the method for controlling a screen according to the above embodiments.
The embodiment of the present application further provides a computer program product, where at least one instruction is stored, and the at least one instruction is loaded and executed by the processor to implement the method for controlling a screen according to the above embodiments.
It should be noted that: in the method for controlling a screen according to the above embodiment, only the division of the functional modules is illustrated, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete all or part of the above described functions. In addition, the device for controlling the screen and the method embodiment for controlling the screen provided by the above embodiments belong to the same concept, and specific implementation processes thereof are detailed in the method embodiment and are not described herein again.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A method for controlling a screen, which is applied to a terminal, the method comprising:
inputting the angle adjustment parameters into an angle determination model to obtain a real-time adjusted rotation angle threshold; the angle determination model is a machine learning model obtained by training according to a positive sample set and a negative sample set in advance, the positive sample set is a set formed by corresponding sample angle values when the terminal is in a use state, and the negative sample set is a set formed by corresponding sample angle values when the terminal is in a non-use state; wherein the angle adjustment parameters include: at least one of geographic location, time, user account, weather and wellness data;
detecting whether a rotation angle is larger than the rotation angle threshold value, wherein the rotation angle is an angle difference value generated from a first moment to a second moment of the terminal, and the first moment is earlier than the second moment;
if the rotation angle is larger than the rotation angle threshold, detecting whether the screen is in a declination state, wherein the declination state is used for indicating that the front of the screen has a projection with an area larger than zero on a horizontal plane;
if the screen of the terminal is in the declination state, lightening the screen;
detecting whether the terminal meets a preset condition in a target time period after the screen is lightened or not from a third moment, wherein the preset condition is used for indicating that the screen is in an unused state, and the third moment is the moment when the screen is lightened;
and if the terminal meets the preset condition within the target time period after the terminal is lightened, turning off the screen.
2. The method according to claim 1, wherein the preset condition comprises: the terminal is in a static state and at least one of human faces does not exist right in front of the terminal.
3. The method according to claim 2, wherein when the preset condition includes that the terminal is in a static state, the detecting whether the preset condition is met within a target time period after the screen is lighted from a third moment comprises:
starting from the third moment, detecting whether the terminal is in the static state within a target time period after being lightened;
if the terminal meets the preset condition within the target time period after being lightened, the screen is extinguished, and the method comprises the following steps:
and if the terminal is in the static state in the target time period, the screen is extinguished.
4. The method of claim 3, wherein the detecting whether the terminal is in the stationary state for a target time period after being turned on from the third time comprises:
respectively monitoring whether n motion data difference values are smaller than a difference threshold value from the third moment, wherein the n motion data difference values are absolute values of difference values of n pairs of same motion data collected adjacently before and after in the target time period;
and if each motion difference value in the n motion data difference values is smaller than the difference threshold value, determining that the terminal is in the static state in the target time period after being lightened.
5. The method according to claim 2, wherein the terminal is configured with a front camera, and when the preset condition includes that no human face exists right in front of the terminal, the detecting whether the terminal meets the preset condition within a target time period after the screen is lighted from a third moment comprises:
at a fourth moment, acquiring a target image through the front camera, wherein the fourth moment is not earlier than the third moment and is earlier than the end moment of the target time period;
detecting whether the target image contains a human face;
if the terminal meets the preset condition within the target time period after being lightened, the screen is extinguished, and the method comprises the following steps:
and if the target image does not contain the face, turning off the screen.
6. The method of claim 5, further comprising:
if the target image contains a face, detecting whether eyes in the face are closed;
and if the eyes in the face are closed, the screen is extinguished.
7. The method of any of claims 1 to 6, further comprising:
receiving a recliner mode opening operation for instructing the terminal to enter a recliner mode, the recliner mode being a mode for instructing the terminal to be lit up when in the declined state and being used;
controlling the terminal to enter the recliner mode;
and executing the step of detecting whether the rotation angle is larger than the rotation angle threshold value.
8. An apparatus for controlling a screen, applied to a terminal, the apparatus comprising:
the threshold value determining module is used for inputting the angle adjusting parameters into the angle determining model to obtain a real-time adjusted rotating angle threshold value; the angle determination model is a machine learning model obtained by training according to a positive sample set and a negative sample set in advance, the positive sample set is a set formed by corresponding sample angle values when the terminal is in a use state, and the negative sample set is a set formed by corresponding sample angle values when the terminal is in a non-use state; wherein the angle adjustment parameters include: at least one of geographic location, time, user account, weather and wellness data;
the angle detection module is used for detecting whether a rotation angle is larger than the rotation angle threshold value or not, wherein the rotation angle is an angle difference value generated by the terminal from a first moment to a second moment, and the first moment is earlier than the second moment;
a declination detection module, configured to detect whether the screen is in a declination state when the rotation angle is greater than the rotation angle threshold, where the declination state is used to indicate that a projection with an area greater than zero is provided on a horizontal plane on a front side of the screen of the terminal;
the screen lighting module is used for lighting the screen when the screen of the terminal is in the declination state;
the usage detection module is used for detecting whether the terminal meets a preset condition in a target time period after the screen is lightened from a third moment, wherein the preset condition is used for indicating that the screen is in an unused state, and the third moment is the moment when the screen is lightened;
and the screen extinguishing module is used for extinguishing the screen when the terminal meets the preset condition in the target time period after being lightened.
9. A terminal, characterized in that it comprises a processor and a memory, said memory having stored therein at least one instruction, which is loaded and executed by said processor to implement a method of controlling a screen according to any one of claims 1 to 7.
10. A computer-readable storage medium having stored therein at least one instruction, which is loaded and executed by a processor, to implement a method of controlling a screen according to any one of claims 1 to 7.
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| CN111651114A (en) * | 2020-05-27 | 2020-09-11 | 北京小米移动软件有限公司 | Screen control method and device and storage medium |
| CN114077302A (en) * | 2020-08-21 | 2022-02-22 | 华为技术有限公司 | Intelligent glasses and interaction method and interaction device thereof |
| CN114531947A (en) * | 2020-08-31 | 2022-05-24 | 华为技术有限公司 | Electronic device and response operation method of electronic device |
| CN112416060A (en) * | 2020-11-19 | 2021-02-26 | 捷开通讯(深圳)有限公司 | Screen state control method and device, storage medium and mobile terminal |
| CN115731590A (en) * | 2021-08-30 | 2023-03-03 | 中兴通讯股份有限公司 | Control method, device, equipment and storage medium |
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