CN103024146A - Method for controlling display screen and mobile intelligent terminal - Google Patents
Method for controlling display screen and mobile intelligent terminal Download PDFInfo
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- CN103024146A CN103024146A CN2012104723104A CN201210472310A CN103024146A CN 103024146 A CN103024146 A CN 103024146A CN 2012104723104 A CN2012104723104 A CN 2012104723104A CN 201210472310 A CN201210472310 A CN 201210472310A CN 103024146 A CN103024146 A CN 103024146A
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Abstract
The invention is applicable to the technical field of mobile communication and provides a method for controlling a display screen and a mobile intelligent terminal. The method comprises the following steps of: finding a view and collecting image data by a pre-positioned camera of a mobile terminal; judging whether the pre-positioned camera detects human eyes or not according to the image data; and if so, controlling a backlight lamp of the mobile terminal to continually keep a lightened state. According to the method for controlling the display screen and the mobile intelligent terminal, the image data are obtained by using the pre-positioned camera; whether a person browses a mobile terminal display screen or not is judged according to the image data; and when the person browses a mobile terminal camera, a method of keeping the backlight lamp to continually work or prompt a user is used for solving the problems in the prior art that user experience is not good, caused by that the backlight lamp is closed at regular time or a shutdown key is touched by accident, when the user browses the mobile terminal display screen.
Description
Technical field
The invention belongs to the mobile communication technology field, relate in particular to a kind of method and mobile intelligent terminal of control display screen.
Background technology
Existing mobile phone, the mobile intelligent terminals such as panel computer generally adopt the mode of Preset Time to enter the state of dormancy or close, namely when receiving, mobile phone and panel computer do not touch and push button signalling reaches a Preset Time threshold value, mobile phone and panel computer enter the state of dormancy, display screen enters resting state or closes, but also there is certain problem in such setting, when the user at read books, browsing page news or when watching video, may close suddenly display screen or display screen enters dormancy and affects the user and experience, therefore the problem of prior art existence is, when having the user to browse mobile terminal screen, regularly close backlight or misoperation and mobile phone display screen is closed bring not good experience.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of method and mobile intelligent terminal of control display screen, with solve that prior art exists when have the user to browse mobile terminal screen, timing is closed backlight or misoperation and mobile phone display screen is closed bring the problem of not good experience.
Embodiments of the invention are achieved in that a kind of method of control display screen, said method comprising the steps of:
The front-facing camera of the portable terminal acquisition of image data of finding a view;
According to described view data, judge whether front-facing camera detects human eye;
As detecting human eye, the backlight of control portable terminal continues to keep illuminating state.
Another purpose of embodiments of the invention is the mobile intelligent terminal that provides a kind of, and described mobile intelligent terminal comprises:
Collecting unit, the front-facing camera that the is used for portable terminal acquisition of image data of finding a view;
Judging unit is used for according to described view data, judges whether front-facing camera detects human eye;
Control unit is used for as detecting human eye, and the backlight of control portable terminal continues to keep illuminating state.
The embodiment of the invention has judged whether that by front-facing camera human eye is in the camera viewfinder range, when judgement has human eye in the camera viewfinder range, the backlight of control portable terminal continues to keep illuminating state, perhaps prompting user determines whether to close display screen or noly makes the display screen dormancy, solved that prior art exists when have the user to browse mobile terminal screen, timing is closed backlight or misoperation and mobile phone display screen is closed bring the problem of not good experience.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the realization flow figure of the method for control display screen provided by the invention;
Fig. 2 is the modular structure figure of the mobile intelligent terminal of control display screen provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
The invention provides the method for a kind of control display screen, described method as shown in Figure 1, concrete steps comprise:
The front-facing camera of S11, the portable terminal acquisition of image data of finding a view.
S12, according to described view data, judge whether front-facing camera detects human eye.
S13, as detecting human eye, the backlight of control portable terminal continues to keep illuminating state.
Need to prove that the purpose of described step S13 is that if detect human eye, can judge has the people browsing mobile terminal screen, therefore continues to keep backlight to keep illuminating state.
Optionally, the method for realization S12 is specially:
Described view data is converted to two-value skin color segmentation figure;
Extract pixel greater than the zone of preset value at described two-value skin color segmentation figure, determine people's face scope zone;
Need to prove that general preset value is about 300 a certain concrete numerical value, can determine like this scope zone of people's face.
In described people's face scope zone, if find the black part, judge that then camera detects human eye.
Need to prove after processing by image, the black part that can find then shows it is eyes and eyebrow part, can confirm human eye in the view data of camera, further can confirm to have the people browsing mobile phone screen in people's face scope zone.
Optionally, describedly described view data be converted to two-value skin color segmentation figure specifically comprise:
Convert the rgb value in the described view data color-code of YCbCr to,
The YCbCr color-code is carried out nonlinear transformation, obtain the brightness of colour of skin cluster, concrete formula is:
The a assignment is that 25.39, b assignment is 14.03, ec
xAssignment is 1.60, ec
yAssignment is 2.41, calculate described (x, y), described (x, y) from the origin of coordinates apart from representing the brightness of colour of skin cluster;
Described view data is converted to the two-value skin color segmentation figure of area of skin color according to the brightness of described colour of skin cluster.
Preferably, before described step S13, can also comprise:
The front-facing camera of portable terminal switches to low frame per second pattern, and the frame rate of described low frame per second pattern was lower than for 1 frame/second.
Need to prove that it is to avoid using continually a large amount of electric energy of camera consumption that the front-facing camera of described portable terminal switches to the beneficial effect that low frame per second pattern brings.
Optionally, before described step S11, also comprise:
Reception is closed display screen or is made the order of display screen dormancy, starts described front-facing camera.
Optionally, said method also comprises:
Whether prompting user is closed display screen or is made the display screen dormancy.
Need to prove, when user's browsing screen, because false touch is to power key or other closing key, start camera and check whether human eye is arranged, if be checked through human eye, then thinking has the user in browse screen, and reminding user determines whether closing display screen or makes the display screen dormancy, the bad experience that can avoid faulty operation to bring.
Optionally, before described step S11, also comprise:
Each time cycle backlight arrives and starts described front-facing camera.
Optionally, said method also comprises:
The control backlight is in illuminating state to next time cycle arrival backlight.
Need to prove, when the mobile phone backlight lamp is illuminated to a time cycle, if there is not the user to operate, mobile phone meeting autoshutdown backlight, family browsing mobile phone web pages or other guide but come in handy this time, said method has been avoided the appearance of this situation.
Optionally, before described step S11, also comprise:
Each default camera collection view data time cycle starts described front-facing camera when arriving.
Optionally, said method also comprises:
The control backlight is in illuminating state to next camera collection view data time cycle arrival.
The invention provides a kind of mobile intelligent terminal of control display screen, described mobile intelligent terminal specifically comprises as shown in Figure 2:
Collecting unit 21, the front-facing camera that the is used for portable terminal acquisition of image data of finding a view;
Judging unit 22 is used for according to described view data, judges whether front-facing camera detects human eye;
Control unit 23 is used for as detecting human eye, and the backlight of control portable terminal continues to keep illuminating state.
Optionally, described judging unit 22 specifically comprises:
Modular converter is used for described view data is converted to two-value skin color segmentation figure;
Determination module is used for extracting pixel greater than the zone of preset value at described two-value skin color segmentation figure, determines people's face scope zone;
Search judge module, be used for if find the black part, judging then that camera detects human eye in described people's face scope zone.
Optionally, described modular converter specifically comprises:
The first conversion submodule, for the color-code that the rgb value of described view data is converted to YCbCr,
Transformation submodule is used for the YCbCr color-code is carried out nonlinear transformation, obtains the brightness of colour of skin cluster, and concrete formula is:
The a assignment is that 25.39, b assignment is 14.03, ec
xAssignment is 1.60, ec
yAssignment is 2.41, calculate described (x, y), described (x, y) from the origin of coordinates apart from representing the brightness of colour of skin cluster;
The second conversion submodule is for the two-value skin color segmentation figure that described view data is converted to area of skin color according to the brightness of described colour of skin cluster.
Preferably, described mobile intelligent terminal also comprises:
Handover module, the front-facing camera that is used for portable terminal switches to low frame per second pattern, and the frame rate of described low frame per second pattern was lower than for 1 frame/second.
Optionally, described mobile intelligent terminal also comprises:
The first start unit is used for receiving the order of closing display screen or making the display screen dormancy, starts described front-facing camera.
Further, described mobile intelligent terminal also comprises:
Tip element is used for prompting user and whether closes display screen or make the display screen dormancy.
Optionally, described mobile intelligent terminal also comprises:
The second start unit is used for each time cycle arrival backlight and starts described front-facing camera.
Further, described mobile intelligent terminal also comprises:
The first control unit is used for the control backlight and is in illuminating state to next time cycle arrival backlight.
Optionally, described mobile intelligent terminal also comprises:
The 3rd start unit, the camera collection view data time cycle that is used at every turn presetting starts described front-facing camera when arriving.
Further, described mobile intelligent terminal also comprises:
The second control unit is used for the control backlight and is in illuminating state to next camera collection view data time cycle arrival.
One of ordinary skill in the art will appreciate that as the included modules of above-described embodiment is to divide according to function logic, but be not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional module also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
Those of ordinary skills it is also understood that, all or part of step in the method for realization above-described embodiment control display screen is to come the relevant hardware of instruction finish by program, described program can be in being stored in the mobile intelligent terminal read/write memory medium, described storage medium comprises ROM/RAM etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. the method for control display screen is characterized in that described method comprises:
The front-facing camera of the portable terminal acquisition of image data of finding a view;
According to described view data, judge whether front-facing camera detects human eye;
As detecting human eye, the backlight of control portable terminal continues to keep illuminating state.
2. the method for claim 1 is characterized in that, and is described according to described view data, judges whether front-facing camera detects human eye and be specially:
Described view data is converted to two-value skin color segmentation figure;
Extract pixel greater than the zone of preset value at described two-value skin color segmentation figure, determine people's face scope zone;
In described people's face scope zone, if find the black part, judge that then camera detects human eye.
3. method as claimed in claim 2 is characterized in that, describedly described view data is converted to two-value skin color segmentation figure is specially:
Convert the rgb value in the described view data color-code of YCbCr to,
The YCbCr color-code is carried out nonlinear transformation, obtain the brightness of colour of skin cluster, concrete formula is:
The a assignment is that 25.39, b assignment is 14.03, ec
xAssignment is 1.60, ec
yAssignment is 2.41, calculate described (x, y), described (x, y) from the origin of coordinates apart from representing the brightness of colour of skin cluster;
Described view data is converted to the two-value skin color segmentation figure of area of skin color according to the brightness of described colour of skin cluster.
4. such as each described method of claim 1-3, it is characterized in that the front-facing camera of described portable terminal is found a view and specifically also comprised before the acquisition of image data:
The front-facing camera of portable terminal switches to low frame per second pattern, and the frame rate of described low frame per second pattern was lower than for 1 frame/second.
5. the method for claim 1 is characterized in that, the front-facing camera of the described portable terminal acquisition of image data of finding a view specifically also comprises:
Reception is closed display screen or is made the order of display screen dormancy, starts described front-facing camera.
6. method as claimed in claim 5 is characterized in that, described method also comprises:
Whether prompting user is closed display screen or is made the display screen dormancy.
7. the method for claim 1 is characterized in that, the front-facing camera of the described portable terminal acquisition of image data of finding a view specifically also comprises:
Each time cycle backlight arrives and starts described front-facing camera.
8. method as claimed in claim 7 is characterized in that, described method also comprises:
The control backlight is in illuminating state to next time cycle arrival backlight.
9. the method for claim 1 is characterized in that, the front-facing camera of the described portable terminal acquisition of image data of finding a view specifically also comprises:
Each default camera collection view data time cycle starts described front-facing camera when arriving.
10. method as claimed in claim 9 is characterized in that, described method also comprises:
The control backlight is in illuminating state to next camera collection view data time cycle arrival.
11. the mobile intelligent terminal of a control display screen is characterized in that described mobile intelligent terminal comprises:
Collecting unit, the front-facing camera that the is used for portable terminal acquisition of image data of finding a view;
Judging unit is used for according to described view data, judges whether front-facing camera detects human eye;
Control unit is used for as detecting human eye, and the backlight of control portable terminal continues to keep illuminating state.
12. mobile intelligent terminal as claimed in claim 11 is characterized in that, described judging unit specifically comprises:
Modular converter is used for described view data is converted to two-value skin color segmentation figure;
Determination module is used for extracting pixel greater than the zone of preset value at described two-value skin color segmentation figure, determines people's face scope zone;
Search judge module, be used for if find the black part, judging then that camera detects human eye in described people's face scope zone.
13. mobile intelligent terminal as claimed in claim 12 is characterized in that, modular converter specifically comprises:
The first conversion submodule, for the color-code that the rgb value of described view data is converted to YCbCr,
Transformation submodule is used for the YCbCr color-code is carried out nonlinear transformation, obtains the brightness of colour of skin cluster, and concrete formula is:
The a assignment is that 25.39, b assignment is 14.03, ec
xAssignment is 1.60, ec
yAssignment is 2.41, calculate described (x, y), described (x, y) from the origin of coordinates apart from representing the brightness of colour of skin cluster;
The second conversion submodule is for the two-value skin color segmentation figure that described view data is converted to area of skin color according to the brightness of described colour of skin cluster.
14. such as each described mobile intelligent terminal of claim 11 to 13, it is characterized in that described mobile intelligent terminal also comprises:
Handover module, the front-facing camera that is used for portable terminal switches to low frame per second pattern, and the frame rate of described low frame per second pattern was lower than for 1 frame/second.
15. mobile intelligent terminal as claimed in claim 11, described mobile intelligent terminal also comprises:
The first start unit is used for receiving the order of closing display screen or making the display screen dormancy, starts described front-facing camera.
16. mobile intelligent terminal as claimed in claim 15 is characterized in that, described mobile intelligent terminal also comprises:
Tip element is used for prompting user and whether closes display screen or make the display screen dormancy.
17. mobile intelligent terminal as claimed in claim 11 is characterized in that, described portable terminal also comprises:
The second start unit is used for each time cycle arrival backlight and starts described front-facing camera.
18. mobile intelligent terminal as claimed in claim 17 is characterized in that, described portable terminal also comprises:
The first control unit is used for the control backlight and is in illuminating state to next time cycle arrival backlight.
19. mobile intelligent terminal as claimed in claim 11 is characterized in that, described mobile intelligent terminal also comprises:
The 3rd start unit, the camera collection view data time cycle that is used at every turn presetting starts described front-facing camera when arriving.
20. mobile intelligent terminal as claimed in claim 19 is characterized in that, described mobile intelligent terminal also comprises:
The second control unit is used for the control backlight and is in illuminating state to next camera collection view data time cycle arrival.
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| CN2012104723104A CN103024146A (en) | 2012-11-20 | 2012-11-20 | Method for controlling display screen and mobile intelligent terminal |
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| CN105162986A (en) * | 2015-09-28 | 2015-12-16 | Tcl移动通信科技（宁波）有限公司 | Method and system for turning on/off screen through front-facing camera for mobile terminal |
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| CN105375392A (en) * | 2015-12-04 | 2016-03-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Helicopter power line inspection realization method and realization system |
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| CN106325500A (en) * | 2016-08-08 | 2017-01-11 | 广东小天才科技有限公司 | Information box selecting method and information box selecting device |
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| CN108111717A (en) * | 2013-07-01 | 2018-06-01 | 高通股份有限公司 | It is configured to the display equipment of light source |
| US11917234B2 (en) | 2013-07-01 | 2024-02-27 | Qualcomm Incorporated | Display device configured as an illumination source |
| CN108111717B (en) * | 2013-07-01 | 2021-08-24 | 高通股份有限公司 | Display device configured as illumination source |
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| CN103458111A (en) * | 2013-08-17 | 2013-12-18 | 广东欧珀移动通信有限公司 | Mobile phone intelligent sleeping method |
| CN103795871A (en) * | 2014-01-22 | 2014-05-14 | 宇龙计算机通信科技(深圳)有限公司 | Standby method and system |
| 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 |
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| CN105227982A (en) * | 2015-08-27 | 2016-01-06 | 宇龙计算机通信科技(深圳)有限公司 | A kind of terminal control method and device thereof |
| CN105162986A (en) * | 2015-09-28 | 2015-12-16 | Tcl移动通信科技（宁波）有限公司 | Method and system for turning on/off screen through front-facing camera for mobile terminal |
| CN105375392A (en) * | 2015-12-04 | 2016-03-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Helicopter power line inspection realization method and realization system |
| CN105549739A (en) * | 2015-12-10 | 2016-05-04 | 魅族科技（中国）有限公司 | Screen lighting method and terminal |
| CN106325500A (en) * | 2016-08-08 | 2017-01-11 | 广东小天才科技有限公司 | Information box selecting method and information box selecting device |
| CN106293086A (en) * | 2016-08-08 | 2017-01-04 | 广东小天才科技有限公司 | The display control method of information and device |
| CN106293086B (en) * | 2016-08-08 | 2019-01-29 | 广东小天才科技有限公司 | The display control method and device of information |
| CN106325500B (en) * | 2016-08-08 | 2019-04-19 | 广东小天才科技有限公司 | Information frame choosing method and device |
| CN108347538A (en) * | 2017-01-24 | 2018-07-31 | 北京小米移动软件有限公司 | Control the method and device of mobile terminal |
| CN106878509A (en) * | 2017-03-31 | 2017-06-20 | 努比亚技术有限公司 | A kind of control method of mobile terminal, mobile terminal and storage medium |
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Application publication date: 20130403 |