CN103414834B - A kind of screen power-saving method, device and mobile terminal - Google Patents
A kind of screen power-saving method, device and mobile terminal Download PDFInfo
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- CN103414834B CN103414834B CN201310319800.5A CN201310319800A CN103414834B CN 103414834 B CN103414834 B CN 103414834B CN 201310319800 A CN201310319800 A CN 201310319800A CN 103414834 B CN103414834 B CN 103414834B
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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 present invention is applicable to technical field of mobile terminals, provides a kind of screen power-saving method, device and mobile terminal, comprising: when the screen of mobile terminal is in bright screen state, gather the image of the environment residing for described mobile terminal; Obtain the brightness value of each pixel in described image, and determine the ambient brightness of described mobile terminal according to the brightness value of each pixel; The screen intensity of described mobile terminal is adjusted according to the ambient brightness of described mobile terminal.In embodiments of the present invention, avoid when ambient light is brighter or ambient light is darker, user does not see the situation of the content of screen display, solves mobile terminal screen brightness adjustment approach complex operation, consumes user time, reduce electric energy, cause unnecessary electric quantity consumption and the problem of screen reduction in useful life, save user time, improve electric energy, decrease economize on electricity electric quantity consumption, and improve screen useful life.
Description
Technical field
The invention belongs to technical field of mobile terminals, particularly relate to a kind of screen power-saving method, device and mobile terminal.
Background technology
Along with the arrival of mobile terminal intellectualization times, the configuration of mobile terminal from strength to strength, function is more and more complete, meanwhile, due to the restriction of size of mobile terminals and the bottleneck of battery technology, the electricity of mobile terminal is extremely limited, and the screen display of mobile terminal consumes too much electricity, and the screen power consumption of part mobile terminal even reaches more than 50% of total electricity.Usually the brightness of mobile terminal is regulated, the electricity expended with the screen display reducing mobile terminal.
But, due to existing mobile terminal screen brightness adjustment approach complex operation, consume user time, reduce electric energy, cause unnecessary electric quantity consumption and screen reduction in useful life.Such as, the brightness of mobile terminal screen is fixing, when ambient light is brighter or when ambient light is darker, does not see the content of screen display, and each user needs manually to regulate brightness, to change screen intensity, adapts to different environment for use, complex operation.In addition, also have in prior art and realize this function by increasing light sensor in the terminal, but transducer inherently expends larger electricity, and increase the cost that light sensor also adds additional mobile terminal.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of screen power-saving method, be intended to solve due to existing mobile terminal screen brightness adjustment approach complex operation, consume user time, reduce electric energy, cause unnecessary electric quantity consumption and the problem of screen reduction in useful life.
The embodiment of the present invention is achieved in that a kind of screen power-saving method, comprising:
When the screen of mobile terminal is in bright screen state, gather the image of the environment residing for described mobile terminal;
Obtain the brightness value of each pixel in described image, and determine the ambient brightness of described mobile terminal according to the brightness value of each pixel;
The screen intensity of described mobile terminal is adjusted according to the ambient brightness of described mobile terminal.
Another object of the embodiment of the present invention is to provide a kind of screen battery saving arrangement, comprising:
First acquiring unit, for when the screen of mobile terminal is in bright screen state, gathers the image of the environment residing for described mobile terminal;
Second acquisition unit, for obtaining the brightness value that in described image, each pixel is each, and determines the ambient brightness of described mobile terminal according to the brightness value of each pixel;
Adjustment unit, for adjusting the screen intensity of described mobile terminal according to the ambient brightness of described mobile terminal.
Another object of the embodiment of the present invention is to provide a kind of mobile terminal, comprises above-mentioned screen battery saving arrangement.
In embodiments of the present invention, by obtaining the brightness value of each pixel in described image, and the ambient brightness of described mobile terminal is determined according to the brightness value of each pixel, the screen intensity of described mobile terminal is adjusted according to the ambient brightness of described mobile terminal, thus avoid when ambient light is brighter or ambient light is darker, user does not see the situation of the content of screen display, when ambient light is brighter, automatically screen intensity is lightened, when ambient light is darker, automatically screen intensity is dimmed, thus solve mobile terminal screen brightness adjustment approach complex operation, consume user time, reduce electric energy, cause unnecessary electric quantity consumption and the problem of screen reduction in useful life, save user time, improve electric energy, decrease economize on electricity electric quantity consumption, and improve screen useful life.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the screen power-saving method that the embodiment of the present invention provides;
Fig. 2 is the screen power-saving method step S103 specific implementation flow chart that the embodiment of the present invention provides;
Fig. 3 is the Query List preferably structured flowchart that the embodiment of the present invention provides;
Fig. 4 is preferably realization flow figure in the practical application that provides of the embodiment of the present invention;
Fig. 5 is the structured flowchart of the screen battery saving arrangement that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, by obtaining the brightness value of each pixel in described image, and the ambient brightness of described mobile terminal is determined according to the brightness value of each pixel, the screen intensity of described mobile terminal is adjusted according to the ambient brightness of described mobile terminal, thus avoid when ambient light is brighter or ambient light is darker, user does not see the situation of the content of screen display, when ambient light is brighter, automatically screen intensity is lightened, when ambient light is darker, automatically screen intensity is dimmed, thus solve mobile terminal screen brightness adjustment approach complex operation, consume user time, reduce electric energy, cause unnecessary electric quantity consumption and the problem of screen reduction in useful life, save user time, improve electric energy, decrease economize on electricity electric quantity consumption, and improve screen useful life.
embodiment 1
Fig. 1 shows the realization flow of a kind of screen power-saving method that the embodiment of the present invention provides, and details are as follows:
In step S101, when the screen of mobile terminal is in bright screen state, gather the image of the environment residing for described mobile terminal;
In the present embodiment, when the screen of mobile terminal is in bright screen state, obtain the image comprising mobile terminal environment for use, particularly, screen is in bright screen state as trigger condition, when by monitoring the process of system application, to judge whether the screen of mobile terminal is in bright screen state, when listening to capacitive touch screen and being lit, represent that screen is in bright screen state, namely obtain the image comprising mobile terminal environment for use.
In the present embodiment, obtain the image comprising mobile terminal environment for use, particularly, by being positioned at the picture pick-up device on mobile terminal, obtain the image comprising mobile terminal environment for use, the camera lens of picture pick-up device catches image by fixing frame rate, the data of image is preserved in the buffer, is convenient to the brightness value that subsequent movement terminal extracts pixel in the picture.
As a preferred embodiment of the present invention, gather the image of the environment residing for described mobile terminal, comprising:
Every Preset Time, gather the image of the environment residing for described mobile terminal.
Preset Time can be system default, also user certainly can establish, does not limit at this.
The brightness value of each pixel is extracted, until capacitive touch screen meets preset stopping reset condition in the image got.
In step s 102, obtain the brightness value of each pixel in described image, and determine the ambient brightness of described mobile terminal according to the brightness value of each pixel;
In the present embodiment, obtain the brightness value of each pixel in described image, comprising:
In the image got, the red component of each pixel, green component and blue component (red, green, blue, RGB) are converted to tone, saturation and brightness value (Hue, saturation, value, HSV);
Obtain the brightness value of each pixel.
In the present embodiment, in the image got, obtain the red component of each pixel, green component and blue component, the RGB of each pixel is converted to HSV.Wherein, RGB color space conversion is hsv color space is prior art, does not repeat at this.
In the present embodiment, extract the brightness value of each pixel, record with a matrix type stores, and is convenient to follow-uply directly call brightness value.
In the present embodiment, in the image got, obtain the brightness value of each pixel in described image, until the screen of mobile terminal is in put out screen state.
In the present embodiment, determine the ambient brightness of described mobile terminal according to the brightness value of each pixel, comprising:
By the added luminance of each pixel got, divided by the number of described pixel, generate the ambient brightness of mobile terminal.
In the present embodiment, by default addition function, by the added luminance of each pixel got, generate luminance total value.
In the present embodiment, obtain the number of pixel, by obtaining the resolution of image, such as, image resolution when being 1920*1080, in presentation video, the number of pixel is 2073600.
In the present embodiment, luminance total value divided by the number of described pixel, build environment brightness.
In the present embodiment, by the number of luminance total value divided by described pixel, build environment brightness, because the pixel of value is more, makes the ambient brightness got have higher accuracy.
In step s 103, the screen intensity of described mobile terminal is adjusted according to the ambient brightness of described mobile terminal.
In the present embodiment, Fig. 2 shows the concrete implementing procedure of step S103, and details are as follows:
In step s 201, environmentally brightness is in the Query List preset, and inquire about the brightness range that described ambient brightness belongs to, Query List includes multiple brightness range and predetermined luminance;
In the present embodiment, set up a Query List by the result of comprehensive various environment, Query List includes multiple brightness range and predetermined luminance, the corresponding predetermined luminance of each brightness range.
In step S202, according to the corresponding relation of the described brightness range set up in advance and described predetermined luminance, obtain the predetermined luminance corresponding with the brightness range that described ambient brightness belongs to;
In step S203, by the brightness adjustment of screen to predetermined luminance.
In the present embodiment, in Preset Time, according to the corresponding relation brightness value of the described brightness range set up in advance and described predetermined luminance, the brightness range that inquiry ambient brightness belongs to, to get predetermined luminance corresponding to brightness range.Particularly, if Fig. 3 is a Query List, C to D, E to F, G to F, I to J represent each frequency range respectively, and K to L, M to N, O to P, Q to R represent each brightness range respectively, are x when getting brightness range
1time, table look-up and can obtain, x
1belong in the scope of C to D, corresponding predetermined luminance is y
1.Now, by the brightness adjustment of screen to predetermined luminance y
1.
In the present embodiment, for ease of explanation, for practical application, when mobile device bright screen time, open camera, at interval of 3 seconds, software obtains a wherein frame of the view data captured by camera, then the wherein RGB of each pixel is converted to the value of V in HSV(HSV and represents the brightness value of this pixel), and obtain the brightness value of all pixels in a frame, and calculate each pixel environments brightness of this frame.Table look-up and can obtain, the predetermined luminance that ambient brightness is corresponding, and then by the brightness adjustment of screen to predetermined luminance, thus avoiding when ambient light is brighter or ambient light is darker, user does not see the situation of the content of screen display, when ambient light is brighter, automatically screen intensity is lightened, when ambient light is darker, automatically screen intensity is dimmed, need not hardware be increased, decrease cost, without the need to user's manual adjustments, to reduce kwh loss, improve the cruising time of mobile terminal.
In the present embodiment, the described brightness range set up in advance in described basis and the corresponding relation of described predetermined luminance, before obtaining the predetermined luminance corresponding with the brightness range that described ambient brightness belongs to, comprising:
Set up the corresponding relation of brightness range and described predetermined luminance and record storage.
As a preferred embodiment of the present invention, before the image gathering the environment residing for described mobile terminal, comprising:
The time period that reading system time and user specify.
When the time period arrives, perform the step of the image of the environment gathered residing for described mobile terminal.
In the present embodiment, for ease of explanation, for practical application, it is the morning, noon, afternoon, evening when the user-selected time period, namely breakfast 6 is to point in evening 12, carries out the step of the image of the environment gathered residing for described mobile terminal, do not perform in morning the image step that mobile terminal gathers the environment residing for described mobile terminal in breakfast 6 at 12 in evening, to reduce kwh loss, improve the cruising time of mobile terminal.
embodiment 2
As the preferred embodiments of the present invention, Fig. 4 shows the embodiment of the present invention preferably realization flow figure in actual applications, and details are as follows:
In step S401, mobile terminal lights screen;
In step S402, camera obtains image;
In step S403, HSV in calculating according to image;
In step s 404, according to the brightness of V value computing environment;
In step S405, in Query List, the predetermined luminance that inquiry ambient brightness is corresponding;
In step S406, according to predetermined luminance, adjusting screen brightness.
embodiment 3
Fig. 5 shows the structured flowchart of a kind of screen battery saving arrangement that the embodiment of the present invention provides, this device can run on the various terminals possessing picture pick-up device, include but not limited to mobile phone, pocket computer (PocketPersonalComputer, PPC), palmtop PC, computer, notebook computer, personal digital assistant (PersonalDigitalAssistant, PDA), MP4, MP3 etc.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 5, this screen battery saving arrangement, comprising:
First acquiring unit 51, for when the screen of mobile terminal is in bright screen state, gathers the image of the environment residing for described mobile terminal;
Second acquisition unit 52, for obtaining the brightness value that in described image, each pixel is each, and determines the ambient brightness of described mobile terminal according to the brightness value of each pixel;
Adjustment unit 53, for adjusting the screen intensity of described mobile terminal according to the ambient brightness of described mobile terminal.
Further, described first acquiring unit is also for gathering the image of the environment residing for described mobile terminal.
Further, in this screen battery saving arrangement, described second acquisition unit, comprising:
Conversion subelement, in the image got, is converted to tone, saturation and brightness value by the red component of each pixel, green component and blue component;
Obtain subelement, for obtaining the brightness value of each pixel.
Further, in this screen battery saving arrangement, described adjustment unit, comprising:
Generate subelement, for the added luminance of each pixel that will get, divided by the number of described pixel, build environment brightness;
Further, in this screen battery saving arrangement, described adjustment unit, comprising:
Inquiry subelement, for environmentally brightness is in the Query List preset, inquire about the brightness range that described ambient brightness belongs to, Query List includes multiple brightness range and predetermined luminance;
Second obtains subelement, for the corresponding relation according to the described brightness range set up in advance and described predetermined luminance, obtains the predetermined luminance corresponding with the brightness range that described ambient brightness belongs to;
Adjustment subelement, for by the brightness adjustment of screen to predetermined luminance.
In embodiments of the present invention, by obtaining the brightness value of each pixel in described image, and the ambient brightness of described mobile terminal is determined according to the brightness value of each pixel, the screen intensity of described mobile terminal is adjusted according to the ambient brightness of described mobile terminal, thus avoid when ambient light is brighter or ambient light is darker, user does not see the situation of the content of screen display, when ambient light is brighter, automatically screen intensity is lightened, when ambient light is darker, automatically screen intensity is dimmed, thus solve mobile terminal screen brightness adjustment approach complex operation, consume user time, reduce electric energy, cause unnecessary electric quantity consumption and the problem of screen reduction in useful life, save user time, improve electric energy, decrease economize on electricity electric quantity consumption, and improve screen useful life.
The device that the embodiment of the present invention provides can be applied in the embodiment of the method one, two of aforementioned correspondence, and details, see the description of above-described embodiment one, two, do not repeat them here.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a screen power-saving method, is characterized in that, comprising:
When the screen of mobile terminal is in bright screen state, gather the image of the environment residing for described mobile terminal;
Obtain the brightness value of each pixel in described image, and determine the ambient brightness of described mobile terminal according to the brightness value of each pixel;
The screen intensity of described mobile terminal is adjusted according to the ambient brightness of described mobile terminal;
When the described screen when mobile terminal is in bright screen state, gathers the image of the environment residing for described mobile terminal, be specially:
Screen is in bright screen state as trigger condition, by monitoring the process of system application, to judge whether the screen of mobile terminal is in bright screen state, when listening to capacitive touch screen and being lit, represent that screen is in bright screen state, namely obtain the image comprising mobile terminal environment for use;
Wherein, obtain the brightness value of each pixel in described image, and determine the ambient brightness of described mobile terminal according to the brightness value of each pixel, be specially:
By the red component of each pixel, green component and blue component (red, green, blue, RGB) tone, saturation and brightness value (Hue, saturation, value is converted to, HSV), by the added luminance of each pixel got, divided by the number of described pixel, generate the ambient brightness of mobile terminal.
2. the method for claim 1, is characterized in that, gathers the image of the environment residing for described mobile terminal, comprising:
Every Preset Time, gather the image of the environment residing for described mobile terminal.
3. the method for claim 1, is characterized in that, adjusts the screen intensity of described mobile terminal, comprising according to the ambient brightness of described mobile terminal:
Environmentally brightness is in the Query List preset, and inquire about the brightness range that described ambient brightness belongs to, Query List includes multiple brightness range and predetermined luminance;
According to the corresponding relation of the described brightness range set up in advance and described predetermined luminance, obtain the predetermined luminance corresponding with the brightness range that described ambient brightness belongs to;
By the brightness adjustment of screen to predetermined luminance.
4. a screen battery saving arrangement, is characterized in that, comprising:
First acquiring unit, for when the screen of mobile terminal is in bright screen state, gathers the image of the environment residing for described mobile terminal;
Second acquisition unit, for obtaining the brightness value that in described image, each pixel is each, and determines the ambient brightness of described mobile terminal according to the brightness value of each pixel;
Adjustment unit, for adjusting the screen intensity of described mobile terminal according to the ambient brightness of described mobile terminal;
When the described screen when mobile terminal is in bright screen state, gathers the image of the environment residing for described mobile terminal, be specially:
Screen is in bright screen state as trigger condition, by monitoring the process of system application, to judge whether the screen of mobile terminal is in bright screen state, when listening to capacitive touch screen and being lit, represent that screen is in bright screen state, namely obtain the image comprising mobile terminal environment for use;
Wherein, obtain the brightness value of each pixel in described image, and determine the ambient brightness of described mobile terminal according to the brightness value of each pixel, be specially:
By the red component of each pixel, green component and blue component (red, green, blue, RGB) tone, saturation and brightness value (Hue, saturation, value is converted to, HSV), by the added luminance of each pixel got, divided by the number of described pixel, generate the ambient brightness of mobile terminal.
5. device as claimed in claim 4, it is characterized in that, described adjustment unit, comprising:
Inquiry subelement, for environmentally brightness is in the Query List preset, inquire about the brightness range that described ambient brightness belongs to, Query List includes multiple brightness range and predetermined luminance;
Second obtains subelement, for the corresponding relation according to the described brightness range set up in advance and described predetermined luminance, obtains the predetermined luminance corresponding with the brightness range that described ambient brightness belongs to;
Adjustment subelement, for by the brightness adjustment of screen to predetermined luminance.
6. a mobile terminal, is characterized in that: comprise screen battery saving arrangement described in claim 4 to 5 any one.
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| CN201310319800.5A CN103414834B (en) | 2013-07-26 | 2013-07-26 | A kind of screen power-saving method, device and mobile terminal |
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| CN201310319800.5A CN103414834B (en) | 2013-07-26 | 2013-07-26 | A kind of screen power-saving method, device and mobile terminal |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104038839B (en) * | 2014-04-29 | 2017-09-29 | 四川长虹电器股份有限公司 | Picture quality of television method of adjustment |
| CN104378811A (en) * | 2014-11-14 | 2015-02-25 | 惠州Tcl移动通信有限公司 | Mobile terminal LCD luminance detection and control method and system |
| CN105677005B (en) * | 2014-11-19 | 2020-12-11 | 中兴通讯股份有限公司 | Screen control method and device of mobile terminal |
| US10681257B2 (en) | 2015-08-26 | 2020-06-09 | Zhejiang Dahua Technology Co., Ltd. | Methods and systems for traffic monitoring |
| CN105072346B (en) * | 2015-08-26 | 2018-03-23 | 浙江大华技术股份有限公司 | A kind of automatic camera control method, device and automatic camera camera |
| CN105578081B (en) * | 2015-12-18 | 2018-03-06 | 广东欧珀移动通信有限公司 | Imaging method, imaging sensor, imaging device and electronic installation |
| CN105609086A (en) * | 2015-12-30 | 2016-05-25 | 深圳Tcl数字技术有限公司 | Brightness adjustment method and device of display interface |
| CN107426802B (en) | 2016-05-24 | 2020-06-26 | 华为终端有限公司 | Terminal management method and device |
| CN107682522A (en) * | 2017-08-15 | 2018-02-09 | 捷开通讯(深圳)有限公司 | The mobile terminal and its adjusting method and memory of a kind of adjustable screen background |
| KR20190031416A (en) * | 2017-08-18 | 2019-03-26 | 선전 구딕스 테크놀로지 컴퍼니, 리미티드 | Fingerprint image acquisition method, apparatus and terminal |
| CN108231038A (en) * | 2018-01-23 | 2018-06-29 | 北京小米移动软件有限公司 | Screen luminance adjustment method and device |
| KR20200007676A (en) * | 2018-07-13 | 2020-01-22 | 삼성전자주식회사 | Electronic device and operating method for controlling brightness of a light source |
| CN108962192A (en) * | 2018-08-08 | 2018-12-07 | 歌尔科技有限公司 | Screen luminance adjustment method, intelligent wearable device and storage medium |
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| CN1162799C (en) * | 1997-08-01 | 2004-08-18 | 富士通株式会社 | Optical scanner and light source module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69716803T2 (en) * | 1996-04-10 | 2003-03-27 | Samsung Electronics Co Ltd | Image quality improvement method by histogram equalization with mean agreement and circuit therefor |
| KR100528537B1 (en) * | 2003-04-04 | 2005-11-15 | 엘지전자 주식회사 | Device and the Method for automatic controlling the lighting of liquid crystal display |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162799C (en) * | 1997-08-01 | 2004-08-18 | 富士通株式会社 | Optical scanner and light source module |
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