CN103218990A - Method for adjusting screen brightness and terminal - Google Patents
Method for adjusting screen brightness and terminal Download PDFInfo
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- CN103218990A CN103218990A CN2013101066374A CN201310106637A CN103218990A CN 103218990 A CN103218990 A CN 103218990A CN 2013101066374 A CN2013101066374 A CN 2013101066374A CN 201310106637 A CN201310106637 A CN 201310106637A CN 103218990 A CN103218990 A CN 103218990A
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Abstract
The embodiment of the invention discloses a method for adjusting screen brightness. The method comprises the following steps of acquiring a current eye image of a terminal user; resolving the acquired eye image to obtain iris data; and adjusting the screen brightness according to the iris data obtained by resolving. The embodiment of the invention further discloses a terminal. According to the method, the iris data are obtained by acquiring and resolving the eye image of the user, and the screen brightness of the terminal is adjusted according to the iris data of each person, so that the screen is adjusted to brightness most suitable for the user, and more user-friendly experience is brought to the user.
Description
Technical field
The present invention relates to electronic applications, relate in particular to a kind of control method and terminal of screen intensity.
Background technology
In electronics industry, the lighting system that is a kind of from side or behind irradiation backlight.Adjusting backlight is meant the light intensity of terminal induction surrounding environment; regulate the brightness and contrast of screen; watch to be fit to human eye; can turn down the brightness and contrast in environment with dark light, because external light is when dark, bright excessively screen can make the people feel dazzling; in the stronger environment of light, can heighten the brightness and contrast; by adjusting backlight, can improve the comfort level that human eye is watched, can also play the effect of vision protection.Iris in the human eye structure has to regulate and enters what the effect of eyeball light, and there is a circular open at the iris center, is called pupil, is the door that light enters intraocular, and pupil includes pigment decision eye color.Smooth muscle is flexible on the iris, and the bore of pupil is dwindled or method, and control enters the light of pupil, when light was stronger, pupil diminished, and only allowed a tuftlet light penetration pupil enter eyes, when light was fainter, it is big that pupil becomes, and allows more rays enter eyes.
Power by the sensor senses surround lighting in the prior art is carried out adjusting backlight, and when perceiving environmental light intensity, screen backlight lightens automatically, and in the time of a little less than perceiving surround lighting, screen backlight dims automatically.The prior art can only be regulated backlight according to the power of surround lighting, and human eye has different susceptibility to the visible light of various wavelength, and everyone is to the sensitivity difference of light, and the prior art can't be with the most suitable user's the bright-dark degree that is adjusted to backlight.
Summary of the invention
The embodiment of the invention provides a kind of control method and terminal of screen intensity.Eye image that can be by obtaining the user is also resolved and is obtained iris data, regulates the screen intensity of terminal according to everyone iris data, with screen adjustment to the most suitable user's brightness.
The embodiment of the invention provides a kind of control method of screen intensity, comprising:
Obtain the current eye image of terminal user;
The described eye image that gets access to resolved obtain iris data;
Regulate screen intensity according to the iris data that described parsing obtains.
Correspondingly, the embodiment of the invention also provides a kind of terminal, comprising:
The eye image acquisition module is used to obtain the current eye image of terminal user;
Parsing module is used for the described eye image that gets access to resolved and obtains iris data;
The brightness regulation module, the iris data that is used for obtaining according to described parsing is regulated screen intensity.
Implement the embodiment of the invention, eye image that can be by obtaining the user is also resolved and is obtained iris data, regulate the screen intensity of terminal according to everyone iris data, thus with screen adjustment to the most suitable user's brightness, bring the experience of hommization more to the user.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of terminal of providing of the embodiment of the invention;
Fig. 2 is the structural representation of the brightness regulation module of a kind of terminal of providing of the embodiment of the invention;
Fig. 3 is the structural representation of a kind of iris of providing of the embodiment of the invention;
Fig. 4 is the process flow diagram of the control method of a kind of screen intensity of providing of the embodiment of the invention;
Fig. 5 is the process flow diagram of the control method of the another kind of screen intensity that provides of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the structural representation of a kind of terminal of providing of the embodiment of the invention, and the terminal of the embodiment of the invention can be for as mobile phone, panel computer, notebook computer etc., and existing be that example specifically describes with the mobile phone.A kind of terminal of present embodiment comprises eye image acquisition module 101, parsing module 102 and brightness regulation module 103 at least as shown in the figure, eye image acquisition module 101 1 ends are connected with the camera of terminal, the other end is connected with parsing module 102, brightness regulation module 103 1 ends are connected with parsing module 102, the other end is connected with the screen of terminal, wherein:
Eye image acquisition module 101 is used to obtain the current eye image of terminal user.In the specific implementation, can take user's current images by the preposition camera of terminal, for example, when the user when consulting the mobile phone content, take by the preposition camera of mobile phone, collect the current eye image of user; Photograph user's present image by the camera of notebook computer, get access to the current eye image of user.Further alternative, the shooting timer can be set, promptly default shooting time at interval, can start preposition camera at interval every one section default shooting time, for example started camera and take pictures, thereby eye image acquisition module 101 regularly obtains the current eye image of terminal user every 5 minutes or 10 minutes.
Further alternative, as shown in Figure 2, Fig. 2 is the structural representation of the brightness regulation module of a kind of terminal of providing of the embodiment of the invention, brightness regulation module 103 can comprise: brightness regulation first module 1031 and brightness regulation first module 1032, wherein, brightness regulation first module 1031 is used for during than threshold value, improving screen intensity greater than described pupil area when the described pupil area ratio that calculates; Brightness regulation second unit 1032 is used for during than threshold value, reducing screen intensity less than described pupil area when the described pupil area ratio that calculates.
Further alternative, the terminal of the embodiment of the invention can also comprise: computing module 104 and judge module 105, wherein:
Do not satisfy default pupil area than threshold value if determine the pupil area ratio that calculates, then need to regulate screen intensity, trigger and carry out brightness regulation module 103 adjusting screen intensitys.When the pupil area ratio that calculates during than threshold value, improves screen intensity greater than described pupil area.For example, Yu She pupil area is than threshold value P
0Be 0.03～0.25, if the pupil area ratio that calculates greater than 0.25, then screen is too dark concerning the active user, brightness regulation first module 1031 improves screen intensitys.When the pupil area ratio that calculates during than threshold value, reduces screen intensity less than described pupil area.For example, Yu She pupil area is than threshold value P
0Be 0.03～0.25, if the pupil area ratio that calculates less than 0.03, then screen is too bright concerning the active user, brightness regulation second unit 1032 reduces screen intensitys.
Further alternative, the brightness regulation module 103 of the embodiment of the invention can also comprise brightness regulation stop element 1033, wherein:
Adjusting stop element 1033 backlight, be used for the default very first time at interval in described eye image obtain mould 101 and get access to the current eye image of terminal user once more, 102 pairs of described eye images that get access to once more of described parsing module are resolved and are obtained iris data, the iris data that described computing module 104 obtains according to described parsing recomputates the iris area ratio, described judge module 105 determines described when recomputating the iris area ratio that obtains and satisfying the iris area than threshold value, trigger described eye image acquisition module 101 and stop to obtain the current eye image of terminal user, up to detecting when arriving the second default time interval, trigger described eye image acquisition module 101 and obtain the current eye image of terminal user.In the specific implementation, after 103 pairs of screen intensitys of brightness adjusting unit are regulated, detect and arrive the default very first time at interval the time, eye image obtains the preposition camera of mould 101 startups and takes, get access to the current eye image of terminal user once more, 102 pairs of eye images that get access to once more of parsing module are resolved and are obtained iris data, the iris data that computing module 104 obtains according to parsing recomputates the iris area ratio, when judge module 105 determines and recomputates the iris area ratio that obtains and satisfy the iris area than threshold value, brightness regulation stop element 1033 triggers eye image acquisition module 101 and stops to obtain the current eye image of terminal user, promptly stop to regulate screen intensity, the screen intensity of this moment is for being fit to user's brightness, up to detecting when arriving the second default time interval, trigger described eye image acquisition module 101 and obtain the current eye image of terminal user.Further alternative, when detecting when satisfying the second default time interval, eye image acquisition module 101 obtains the current eye image of terminal user once more.
The embodiment of the invention provides a kind of terminal, eye image that can be by obtaining the user is also resolved and is obtained iris data, regulate the screen intensity of terminal according to everyone iris data, thus with screen adjustment to the most suitable user's brightness, bring the experience of hommization more to the user.
Set forth the specific implementation of the control method of the screen intensity that the embodiment of the invention provides below.
Fig. 4 is the process flow diagram of the control method of a kind of screen intensity of providing of the embodiment of the invention.The present invention can be implemented in as in the terminals such as mobile phone, panel computer, notebook computer, and existing is that example specifically describes with the mobile phone, and a kind of control method of screen intensity comprises at least as shown in the figure:
Step S401 obtains the current eye image of terminal user.In the specific implementation, can take user's current images by the preposition camera of terminal, for example, when the user when consulting the mobile phone content, take by the preposition camera of mobile phone, collect the current eye image of user.Further alternative, the shooting timer can be set, and promptly default shooting time can start preposition camera at interval every one section default shooting time at interval, for example started camera and take pictures, thereby regularly obtain the current eye image of terminal user every 5 minutes or 10 minutes.
Step S402 resolves the described eye image that gets access to and to obtain iris data.The eye image that gets access to is carried out pattern-recognition, resolve and obtain iris data.Iris data comprises at least: pupil area and iris area.In human eye structure, the outside drawing of eye is made of sclera, iris, pupil three parts, and sclera is the white portion of eyeball periphery, and eye center is the pupil part, and iris is between sclera and pupil.The pupil gray scale is less than the iris gray scale, the zone of gray scale minimum is exactly the pupil region in image, grey scale change is less in the pupil, the border of pupil and iris has bigger grey scale change, promptly bigger edge strength, the iris gray scale is less than the sclera gray scale, and iris and sclera border have bigger grey scale change.Intensity profile characteristics according to pupil are resolved the eye image that gets access to, at first find the rough center of pupil, with this rough center is the pupil image that the center intercepting comprises iris, pupil and iris boundary grey scale change are big, and iris and sclera border grey scale change are big, are convenient to extract pupil edge and iris edge, obtain the zonule that comprises pupil after the intercepting pupil image, extract the edge of pupil, the edge of iris, calculate pupil area, iris area, thereby obtain iris data.
Step S403 regulates screen intensity according to the iris data that described parsing obtains.In the specific implementation, regulate terminal screen brightness can for: regulate the backlight of screen or regulate the brightness of the pixel lamp of terminal screen.Calculate the pupil area ratio according to the iris data that parsing obtains, when the pupil area ratio that calculates does not satisfy default pupil area than threshold value, promptly this moment, the user thought that screen is too bright or too dark, the iris data that obtains according to described parsing regulate screen intensity can for: regulate screen intensity according to the described pupil area ratio that calculates.Wherein, iris data comprises: pupil area, iris area, then the pupil area ratio is: the ratio of described pupil area and cornea area, cornea area are described pupil area and described iris area sum.Default pupil area can be the numerical value section that sets in advance than threshold value, and this numerical value section is that for example, default pupil area is than threshold value P according to the empirical value of user to the comfort level statistics of screen backlight
0Be 0.03～0.25, when the pupil area ratio that calculates was in 0.03～0.25 scope, the screen backlight of this moment did not need to regulate screen backlight for being fit to the backlight of user; When the pupil area ratio that calculates not in 0.03～0.25 scope, if the pupil area ratio that calculates greater than 0.25, then screen is too dark concerning the active user, improves screen backlight; If the pupil area ratio that calculates is less than 0.03, then screen is too bright concerning the active user, reduces screen backlight.
The embodiment of the invention provides a kind of control method of screen intensity, eye image that can be by obtaining the user is also resolved and is obtained iris data, regulate the screen intensity of terminal according to everyone iris data, thereby screen adjustment to the most suitable user's brightness, is brought the experience of hommization more to the user.
Fig. 5 is the process flow diagram of the control method of the another kind of screen intensity that provides of the embodiment of the invention.The present invention can be implemented in as in the terminals such as mobile phone, panel computer, notebook computer, and existing is that example specifically describes with the mobile phone, and a kind of control method of screen intensity comprises at least as shown in the figure:
Step S501 obtains the current eye image of terminal user.In the specific implementation, can take user's current images by the preposition camera of terminal, for example, when the user when consulting the mobile phone content, take by the preposition camera of mobile phone, collect the current eye image of user; Photograph user's present image by the camera of notebook computer, get access to the current eye image of user.Further alternative, the shooting timer can be set, and promptly default shooting time can start preposition camera at interval every one section default shooting time at interval, for example started camera and take pictures, thereby regularly obtain the current eye image of terminal user every 5 minutes or 10 minutes.
Step S502 resolves the described eye image that gets access to and to obtain iris data.The eye image that gets access to is carried out pattern-recognition, resolve and obtain iris data.Iris data comprises at least: pupil area and iris area.In human eye structure, the outside drawing of eye is made of sclera, iris, pupil three parts, and sclera is the white portion of eyeball periphery, and eye center is the pupil part, and iris is between sclera and pupil.The pupil gray scale is less than the iris gray scale, the zone of gray scale minimum is exactly the pupil region in image, grey scale change is less in the pupil, the border of pupil and iris has bigger grey scale change, promptly bigger edge strength, the iris gray scale is less than the sclera gray scale, and iris and sclera border have bigger grey scale change.Intensity profile characteristics according to pupil are resolved the eye image that gets access to, at first find the rough center of pupil, with this rough center is the pupil image that the center intercepting comprises iris, pupil and iris boundary grey scale change are big, and iris and sclera border grey scale change are big, are convenient to extract pupil edge and iris edge, obtain the zonule that comprises pupil after the intercepting pupil image, extract the edge of pupil, the edge of iris, calculate pupil area, iris area, thereby obtain iris data.As shown in Figure 3, middle dark circular region is represented pupil, and annular gray area is represented iris, S
1Be pupil area, S
2Be the iris area.
Step S503 calculates the pupil area ratio according to the iris data that described parsing obtains.In the specific implementation, iris data comprises at least: pupil area, iris area, the pupil area ratio is: the ratio of pupil area and cornea area, cornea area are pupil area and iris area sum.As shown in Figure 3, the pupil area is S
1, the iris area is S
2, the cornea area is S
1+ S
2, pupil area ratio then
Wherein the scope of pupil area ratio is 0～1.
Step S504 judges whether the described pupil area ratio that calculates satisfies default pupil area and compare threshold value.If judged result is for being, execution in step S505, if judged result for not, execution in step S506.In the specific implementation, default pupil area can be the numerical value section that sets in advance than threshold value, and this numerical value section is that for example, default pupil area is than threshold value P according to the empirical value of user to the comfort level statistics of screen backlight
0Be 0.03～0.25.
Step S505 does not regulate screen backlight.In the specific implementation, satisfy default pupil area than threshold value, then do not need to regulate screen backlight, return step S501 if determine the pupil area ratio that calculates.For example, Yu She pupil area is than threshold value P
0Be 0.03～0.25, when the pupil area ratio that calculates was in 0.03～0.25 scope, the screen backlight of this moment did not need to regulate screen backlight for being fit to the backlight of user.
Step S506 regulates screen intensity according to the described pupil area ratio that calculates.In the specific implementation, regulate terminal screen brightness can for: regulate the backlight of screen or regulate the brightness of the pixel lamp of terminal screen.When the pupil area ratio that calculates did not satisfy default pupil area than threshold value, promptly this moment, the user thought that screen is too bright or too dark, and then regulated screen intensity.Further alternative, regulating screen intensity according to the described pupil area ratio that calculates can comprise:
When the described pupil area ratio that calculates during than threshold value, improves screen intensity greater than described pupil area.For example, Yu She pupil area is than threshold value P
0Be 0.03～0.25, if the pupil area ratio that calculates is beaten in 0.25, then screen is too dark concerning the active user, improves screen intensity.
When the described pupil area ratio that calculates during than threshold value, reduces screen intensity less than described pupil area.For example, Yu She pupil area is than threshold value P
0Be 0.03～0.25, if the pupil area ratio that calculates less than 0.03, then screen is too bright concerning the active user, reduces screen intensity.
Step S507 obtains the current eye image of terminal user once more in default very first time interval.In the specific implementation, after regulating screen intensity according to the described pupil area ratio that calculates, in default very first time interval, obtain the current eye image of terminal user once more, but the default very first time is spaced apart edit session, for example 1 second, 5 seconds, 2 minutes, 5 minutes etc., also can be default shooting time interval.
Step S508 resolves the described eye image that gets access to once more and to obtain iris data.
Step S509, the iris data that obtains according to described parsing recomputates the pupil area ratio.
Step S510 judges whether the described pupil area ratio that obtains of recomputating satisfies default pupil area than threshold value, if judged result is for being that execution in step S511 is if judged result is returned step S506 for denying.
Step S511, triggering stops to obtain the current eye image of terminal user, arrives the second default time interval up to detecting, and returns step S501.In the specific implementation, when recomputating the satisfied default pupil area of the pupil area ratio that obtains than threshold value, promptly Ci Shi screen backlight is for being fit to user's brightness, the second default time interval can be 30 seconds, 1 minute, 5 minutes, 30 minutes etc., also can be default shooting time at interval.
The embodiment of the invention provides a kind of control method of screen intensity, eye image that can be by obtaining the user is also resolved and is obtained iris data, regulate the screen intensity of terminal according to everyone iris data, up to screen adjustment to the most suitable user's brightness, bring the experience of hommization more to the user.
The module of the embodiment of the invention or unit, can pass through universal integrated circuit, CPU(Central Processing Unit for example, central processing unit), or pass through ASIC (Application Specific Integrated Circuit, special IC) and realize.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. the control method of a screen intensity is characterized in that, described method comprises:
Obtain the current eye image of terminal user;
The described eye image that gets access to resolved obtain iris data;
Regulate screen intensity according to the iris data that described parsing obtains.
2. method according to claim 1 is characterized in that, the described described eye image that gets access to is resolved obtains comprising after the iris data:
Calculate the pupil area ratio according to the iris data that described parsing obtains, wherein, described iris data comprises at least: pupil area, iris area, described pupil area ratio is: the ratio of described pupil area and cornea area, described cornea area are described pupil area and described iris area sum.
3. method according to claim 2 is characterized in that, the described iris data that obtains according to described parsing also comprises after calculating default pupil area ratio:
Judge whether the described pupil area ratio that calculates satisfies default pupil area and compare threshold value;
The described iris data that obtains according to described parsing is regulated screen intensity and is comprised:
When determining the satisfied default pupil area of the described pupil area ratio that calculates, regulate screen intensity according to the described pupil area ratio that calculates than threshold value.
4. method according to claim 3 is characterized in that, describedly regulates screen intensity according to the described pupil area ratio that calculates and comprises:
If the described pupil area ratio that calculates than threshold value, improves screen intensity greater than described default pupil area;
If the described pupil area ratio that calculates than threshold value, reduces screen intensity less than described default pupil area.
5. method according to claim 2 is characterized in that, and is described according to comprising after the described pupil area ratio adjusting screen intensity that calculates:
In default very first time interval, obtain the current eye image of terminal user once more;
The described eye image that gets access to once more resolved obtain iris data;
The iris data that obtains according to described parsing recomputates the pupil area ratio;
Judge whether the described pupil area ratio that obtains of recomputating satisfies default pupil area and compare threshold value;
If satisfy, trigger and stop to obtain the current eye image of terminal user, up to detecting when arriving the second default time interval, return the current eye image of the described terminal user of obtaining.
6. a terminal is characterized in that, described terminal comprises:
The eye image acquisition module is used to obtain the current eye image of terminal user;
Parsing module is used for the described eye image that gets access to resolved and obtains iris data;
The brightness regulation module, the iris data that is used for obtaining according to described parsing is regulated screen intensity.
7. terminal according to claim 6 is characterized in that, described terminal also comprises:
Computing module, the iris data that is used for obtaining according to described parsing is calculated the pupil area ratio, wherein, described iris data comprises at least: pupil area, iris area, described pupil area ratio is: the ratio of described pupil area and cornea area, described cornea area are described pupil area and described iris area sum.
8. terminal according to claim 7 is characterized in that, described terminal also comprises:
Judge module is used to judge whether the described pupil area ratio that calculates satisfies default pupil area and compare threshold value;
The iris data that described brightness regulation module obtains according to described parsing is regulated screen intensity:
When described judge module judged result for not the time, regulate screen backlight according to the described pupil area ratio that calculates.
9. terminal according to claim 8 is characterized in that, described brightness regulation module comprises:
The brightness regulation first module is used for during than threshold value, improving screen intensity greater than described pupil area when the described pupil area ratio that calculates;
Brightness regulation Unit second is used for during than threshold value, reducing screen intensity less than described pupil area when the described pupil area ratio that calculates.
10. terminal according to claim 7 is characterized in that, described brightness regulation module also comprises:
The brightness regulation stop element, be used for the default very first time at interval in described eye image acquisition module get access to the current eye image of terminal user once more, described parsing module is resolved the described eye image that gets access to once more and is obtained iris data, the iris data that described computing module obtains according to described parsing recomputates the iris area ratio, described judge module determines described when recomputating the iris area ratio that obtains and satisfying the iris area than threshold value, trigger described eye image acquisition module and stop to obtain the current eye image of terminal user, up to detecting when arriving the second default time interval, trigger described eye image acquisition module and obtain the current eye image of terminal user.
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| CN111950462A (en) * | 2020-08-13 | 2020-11-17 | 深圳市商汤科技有限公司 | Brightness adjusting method and device, electronic equipment and storage medium |
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