CN103795871A - Standby method and system - Google Patents
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- CN103795871A CN103795871A CN201410029832.6A CN201410029832A CN103795871A CN 103795871 A CN103795871 A CN 103795871A CN 201410029832 A CN201410029832 A CN 201410029832A CN 103795871 A CN103795871 A CN 103795871A
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- 238000001514 detection method Methods 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 210000001061 forehead Anatomy 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention belongs to the field of mobile terminals, and provides a standby method and system. The standby method comprises the steps that whether an obstacle exists in front of a screen or not is detected through a range sensor, a camera is started to acquire images of the obstacle if the obstacle exists, whether parts of a human face are recognized in the images of the obstacle or not is judged, and if the parts of the human face are not recognized in the images of the obstacle, the camera and a screen backlight are closed to enter a standby state. According to the standby method and system, the screen can turn black automatically when a user does not watch the screen, electric quantity can be saved, and standby time can be effectively prolonged. Furthermore, due to the fact that the camera is started to acquire the images of the obstacle only when the range sensor detects the existence of the obstacle in front of the screen, the time for starting the camera can be reduced to the maximum extent, and power consumption can be lowered.
Description
Technical Field
The invention belongs to the field of mobile terminals, and particularly relates to a standby method and a standby system.
Background
At present, in order to save limited electric quantity, mobile terminals have the functions of automatically turning off a screen and further waiting for use. The basic principle is as follows: and in the set time, if no key press or touch screen event occurs, the screen is turned off for standby, otherwise, the timer is restarted from the key press or touch screen event.
However, most of the time, the mobile terminal is in a pocket or a bag. At this time, the mobile terminal is likely to have an accidental key press or touch screen event. This causes the screen to be not turned off for a long time, and the standby is not possible, resulting in increased power consumption and waste of electric power.
For example: after a user sets dynamic wallpaper, the user does not force to press a power key, the dynamic wallpaper is put into a pocket, and often an external key or a touch screen event happens intentionally, so that the screen cannot be turned off for a long time. In this case, the power consumption of the mobile terminal is basically about 350mA, and the battery capacity is generally about 1500mAh, so that the mobile terminal is not powered for more than 4 hours.
In addition, many games do not allow for the screen to be turned off while running or while the video is playing. In this case, the user may lose power when he or she forgets to turn off the mobile terminal or quits the game or video due to other things.
Disclosure of Invention
The invention aims to provide a standby method and a standby system, which can automatically turn off a screen to save electric quantity when a user does not watch the screen within preset time.
In a first aspect, the present invention provides a method for standby, the method comprising:
detecting whether an obstacle exists in front of a screen through a distance sensor;
if the obstacle exists, starting a camera to acquire an image of the obstacle;
judging whether a part of a human face is recognized in an image of the obstacle;
if the part of the face is not recognized in the image of the obstacle, closing the camera;
and closing the terminal screen and entering a standby state.
In a second aspect, the present invention provides a system for standby, the system comprising:
the detection module is used for detecting whether an obstacle exists in front of the screen through the distance sensor;
the acquisition module is used for starting the camera to acquire an image of the obstacle if the obstacle exists;
the first judgment module is used for judging whether a part of a human face is recognized in the image of the obstacle;
the camera closing module is used for closing the camera if the part of the face is not recognized in the image of the barrier;
and the screen closing module is used for closing the terminal screen and entering a standby state.
In the invention, whether an obstacle exists in front of a screen is detected through a distance sensor, and if so, a camera is started to acquire an image of the obstacle; and judging whether the part of the face is recognized in the image of the barrier, if not, closing the camera, closing the terminal screen and entering a standby state. Therefore, the screen can be automatically turned off when the user does not watch the screen, the electric quantity can be saved, and the standby time can be effectively prolonged. And only when the distance sensor detects that the obstacle exists in front of the screen, the camera is started to acquire the image of the obstacle, so that the time for starting the camera can be reduced to the maximum extent, and the power consumption is reduced.
Drawings
Fig. 1 is a flowchart of a standby method according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a standby system according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The first embodiment is as follows:
referring to fig. 1, a standby method according to an embodiment of the present invention includes the following steps:
s101, detecting whether an obstacle exists in front of a screen through a distance sensor, if so, executing S102, and if not, executing S105;
in the first embodiment of the present invention, S101 may specifically be: and detecting whether an obstacle exists in front of the screen or not through the distance sensor every preset time.
In the first embodiment of the present invention, S101 may specifically include the following steps:
detecting whether a terminal screen is opened or not;
if the fact that the terminal screen is opened is detected, whether an obstacle exists in front of the screen or not is detected through the distance sensor every preset time.
In the first embodiment of the present invention, before S101, the method may further include the following steps:
judging whether to start an automatic screen backlight closing function; if so, S101 is performed.
S102, starting a camera to obtain an image of the obstacle;
s103, judging whether a face part is recognized in the image of the obstacle, if so, executing S106, and returning to S101; if not, executing S104;
in the first embodiment of the present invention, the best part of the face is eyes, and certainly, the part may be mouth, nose, forehead, etc.
S104, turning off the camera and the screen backlight, and entering a standby state;
s105, turning off the screen backlight and entering a standby state;
and S106, closing the camera.
Examples are as follows:
the mobile terminal of the King has started the function of automatically closing the screen backlight, even if the mobile terminal is in a pocket or a bag and runs a game which does not allow the screen to be turned off, the screen can not be normally on, the electric quantity is greatly saved, and the standby time is prolonged.
When the plumes are watching the movie by the mobile terminal, the plumes are interrupted by other emergencies and leave. Forget to terminate the playing of the movie because of emergency. However, the mobile terminal of the plum will detect once every 15 minutes, and if someone is watching the screen, the mobile terminal will be forced to enter the standby state.
In the first embodiment of the invention, whether an obstacle exists in front of the screen is detected through the distance sensor, and if so, the camera is started to acquire an image of the obstacle; and judging whether the part of the face is recognized in the image of the barrier, if not, closing the camera, closing the terminal screen and entering a standby state. Therefore, the screen can be automatically turned off when the user does not watch the screen, the electric quantity can be saved, and the standby time can be effectively prolonged. And only when the distance sensor detects that the obstacle exists in front of the screen, the camera is started to acquire the image of the obstacle, so that the time for starting the camera can be reduced to the maximum extent, and the power consumption is reduced.
Example two:
referring to fig. 2, a standby system according to a second embodiment of the present invention includes: a detection module 11, an acquisition module 12, a first judgment module 13 and a shutdown module 14, wherein,
the detection module 11 is used for detecting whether an obstacle exists in front of the screen through a distance sensor;
the acquisition module 12 is configured to, if an obstacle exists, start a camera to acquire an image of the obstacle;
a first judging module 13, configured to judge whether a part of a human face is recognized in an image of an obstacle;
and the closing module 14 is used for closing the camera and the screen backlight and entering a standby state if the part of the human face is not recognized in the image of the obstacle.
In the second embodiment of the present invention, the best part of the face is the eye, and may be the mouth, nose, forehead, etc.
In the second embodiment of the present invention, the detection module 11 may be specifically configured to detect whether an obstacle exists in front of the screen through the distance sensor every preset time period;
or,
the detection module 11 may specifically include:
the screen detection module is used for detecting whether a terminal screen is opened or not;
and the barrier detection module is used for detecting whether a barrier exists in front of the screen or not through the distance sensor every preset time if the opening of the terminal screen is detected.
In the second embodiment of the present invention, the system may further include:
the second judgment module is used for judging whether the automatic screen backlight closing function is started or not; if yes, the detection module detects whether an obstacle exists in front of the screen through the distance sensor.
In the second embodiment of the present invention, the system may further include a screen turning-off module, configured to turn off the screen backlight and enter a standby state when the detection module detects that no obstacle exists in front of the screen through the distance sensor.
In the second embodiment of the present invention, the system may further include a camera turning-off module, configured to turn off the camera when the first determining module determines that the face portion is recognized in the image of the obstacle, and then the detecting module detects whether there is an obstacle in front of the screen through the distance sensor.
In the second embodiment of the invention, whether an obstacle exists in front of the screen is detected through the distance sensor, and if so, the camera is started to acquire an image of the obstacle; and judging whether the part of the face is recognized in the image of the barrier, if not, closing the camera, closing the terminal screen and entering a standby state. Therefore, the screen can be automatically turned off when the user does not watch the screen, the electric quantity can be saved, and the standby time can be effectively prolonged. And only when the distance sensor detects that the obstacle exists in front of the screen, the camera is started to acquire the image of the obstacle, so that the time for starting the camera can be reduced to the maximum extent, and the power consumption is reduced.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program, and the program may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method of standby, the method comprising:
detecting whether an obstacle exists in front of a screen through a distance sensor;
if the obstacle exists, starting a camera to acquire an image of the obstacle;
judging whether a part of a human face is recognized in an image of the obstacle;
and if the part of the human face is not recognized in the image of the obstacle, closing the camera and the screen backlight and entering a standby state.
2. The method according to claim 1, wherein the detecting whether the obstacle exists in front of the screen by the distance sensor is specifically:
detecting whether an obstacle exists in front of a screen or not through a distance sensor every preset time;
or,
whether the obstacle exists in front of the screen or not through the distance sensor specifically comprises the following steps:
detecting whether a terminal screen is opened or not;
if the fact that the terminal screen is opened is detected, whether an obstacle exists in front of the screen or not is detected through the distance sensor every preset time.
3. The method of claim 1 or 2, wherein before detecting whether an obstacle is present in front of the screen by the distance sensor, the method further comprises:
judging whether to start an automatic screen backlight closing function; if yes, the step of detecting whether an obstacle exists in front of the screen through the distance sensor is executed.
4. The method as claimed in claim 1 or 2, wherein in the step of detecting whether there is an obstacle in front of the screen by the distance sensor, if there is no obstacle, the screen backlight is turned off, and a standby state is entered.
5. The method as claimed in claim 1 or 2, wherein in the step of determining whether the portion of the face is recognized in the image of the obstacle, if the portion of the face is recognized in the image of the obstacle, the camera is turned off, and then the step of detecting whether there is an obstacle in front of the screen by the distance sensor is returned.
6. A system for standby, the system comprising:
the detection module is used for detecting whether an obstacle exists in front of the screen through the distance sensor;
the acquisition module is used for starting the camera to acquire an image of the obstacle if the obstacle exists;
the first judgment module is used for judging whether a part of a human face is recognized in the image of the obstacle;
and the closing module is used for closing the camera and the screen backlight and entering a standby state if the part of the face is not recognized in the image of the obstacle.
7. The system of claim 6, wherein the detection module is specifically configured to detect whether an obstacle exists in front of the screen through the distance sensor every preset time period;
or,
the detection module specifically comprises:
the screen detection module is used for detecting whether a terminal screen is opened or not;
and the barrier detection module is used for detecting whether a barrier exists in front of the screen or not through the distance sensor every preset time if the opening of the terminal screen is detected.
8. The system of claim 6 or 7, wherein the system further comprises:
the second judgment module is used for judging whether the automatic screen backlight closing function is started or not; if yes, the detection module detects whether an obstacle exists in front of the screen through the distance sensor.
9. The system of claim 6 or 7, further comprising a screen turning-off module for turning off a screen backlight to enter a standby state when the detection module detects that there is no obstacle in front of the screen through the distance sensor.
10. The system according to claim 6 or 7, further comprising a camera turning-off module for turning off the camera when the first judging module judges that the portion of the face is recognized in the image of the obstacle, and then detecting whether there is an obstacle in front of the screen by the detecting module through the distance sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410029832.6A CN103795871A (en) | 2014-01-22 | 2014-01-22 | Standby method and system |
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| CN201410029832.6A CN103795871A (en) | 2014-01-22 | 2014-01-22 | Standby method and system |
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Cited By (28)
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| CN104202483A (en) * | 2014-08-20 | 2014-12-10 | 厦门美图移动科技有限公司 | Display screen switch controller of mobile terminal |
| CN104298347A (en) * | 2014-08-22 | 2015-01-21 | 联发科技（新加坡）私人有限公司 | Method and device for controlling screen of electronic display device and display system |
| CN104460985A (en) * | 2014-10-23 | 2015-03-25 | 上海天奕达电子科技有限公司 | Automatic backlighting continuation method, system and terminal based on face recognition |
| CN105282346A (en) * | 2015-11-11 | 2016-01-27 | 北京金山安全软件有限公司 | Screen power saving method and device and mobile terminal |
| CN105653033A (en) * | 2015-12-29 | 2016-06-08 | 广东欧珀移动通信有限公司 | Method and device for controlling screen bright and black of terminal |
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| WO2016131285A1 (en) * | 2015-07-21 | 2016-08-25 | 中兴通讯股份有限公司 | Method and apparatus for automatic adjustment of screen backlight |
| CN106231419A (en) * | 2016-08-30 | 2016-12-14 | 北京小米移动软件有限公司 | Operation performs method and device |
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| CN107219914A (en) * | 2017-05-31 | 2017-09-29 | 广东小天才科技有限公司 | Method and device for saving electric quantity |
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| CN107526424B (en) * | 2016-06-21 | 2021-05-04 | 中兴通讯股份有限公司 | Terminal energy saving method and device |
| CN107526424A (en) * | 2016-06-21 | 2017-12-29 | 中兴通讯股份有限公司 | A kind of terminal power-economizing method and its device |
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| CN106686257A (en) * | 2017-03-10 | 2017-05-17 | 广东欧珀移动通信有限公司 | Control method and device of mobile terminal and mobile terminal |
| CN107219914A (en) * | 2017-05-31 | 2017-09-29 | 广东小天才科技有限公司 | Method and device for saving electric quantity |
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| CN107317992A (en) * | 2017-07-19 | 2017-11-03 | 苏州三星电子电脑有限公司 | video communication control device and control method |
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| CN107864269A (en) * | 2017-10-09 | 2018-03-30 | 惠州Tcl移动通信有限公司 | Automatic activation and standby method, terminal and computer-readable recording medium |
| CN109955257A (en) * | 2017-12-22 | 2019-07-02 | 深圳市优必选科技有限公司 | Robot awakening method and device, terminal equipment and storage medium |
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| CN111371945B (en) * | 2018-12-25 | 2021-05-18 | Tcl科技集团股份有限公司 | Network switching method based on face recognition, mobile terminal and storage medium |
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| CN111077994A (en) * | 2019-06-09 | 2020-04-28 | 广东小天才科技有限公司 | Control method of display screen in click-to-read scene and click-to-read machine equipment |
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| CN112363611B (en) * | 2020-11-27 | 2023-11-10 | Oppo（重庆）智能科技有限公司 | Power consumption adjustment method and device, electronic equipment and readable storage medium |
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Application publication date: 20140514 |