CN103207665A - Screen position adjustment method and device as well as electronic equipment - Google Patents
Screen position adjustment method and device as well as electronic equipment Download PDFInfo
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- CN103207665A CN103207665A CN2012100133004A CN201210013300A CN103207665A CN 103207665 A CN103207665 A CN 103207665A CN 2012100133004 A CN2012100133004 A CN 2012100133004A CN 201210013300 A CN201210013300 A CN 201210013300A CN 103207665 A CN103207665 A CN 103207665A
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Abstract
The invention provides a screen position adjustment method, which comprises the following steps of: detecting the position of a light source in an illumination environment, obtaining the position of human eyes viewing the screen, calculating whether the positions of the light source and the human eyes meet a preset condition, and if yes, sending out the command of adjusting the screen position. According to the method, the problem that a user can not clearly see the screen due to reflection of the screen is avoided.
Description
Technical field
This relates to computer realm clearly, relates in particular to a kind of screen position method of adjustment and device, electronic equipment.
Background technology
When in electronic equipment is having the environment of light source, using, screen can reflect the light that light source sends, if reflection ray is reflected into user's eyes, can make that then the user produces dazzling sensation, at this moment the problem that the user does not see Chu's screen will occur, but also not have method or the device of head it off at present.
Summary of the invention
In view of this, the invention provides a kind of screen position method of adjustment and device, electronic equipment, purpose is to solve the problem that the user who causes because of screen reflecting does not see Chu's screen.
A kind of screen position method of adjustment, described screen is in the environment that illumination is arranged, and comprising:
Detect the position of light source in the described photoenvironment;
Obtain the position of the human eye of watching described screen;
Calculate the position of described light source and the position of described human eye and whether satisfy preset condition, if then send screen position adjustment instruction.
Preferably, the position of light source comprises in the described photoenvironment of described detection:
Gather the image of described photoenvironment;
Judge whether there is pointolite in the described image, if, then obtain the coordinate of described pointolite correspondence, if not, then according to default method, estimate the position coordinates of light source.
Preferably, the method that described basis is default, estimate that the position coordinates of light source comprises:
With described image gray processing, obtain gray level image;
Estimate the position of light source according to the variation tendency of gray-scale value in the described gray level image, and determine the coordinate of the position correspondence of described light source.
Preferably, describedly judge whether exist pointolite to comprise in the described image:
With described image binaryzation, obtain bianry image;
Judge whether exist area greater than the target area of default value in the described bianry image, if then determine to have pointolite in the described image.
Preferably, the described position that obtains the human eye of watching described screen comprises:
The image of people's face of screen is watched in collection;
Image to described people's face carries out pre-service;
In pretreated facial image, determine the position of human eye, and obtain the coordinate of described position of human eye correspondence.
Preferably, described preset condition comprises:
The position of described light source and the position of human eye constitute reflection angle.
Preferably, described screen position adjustment instruction comprises:
The prompting user manually adjusts the instruction of screen position.
Preferably, described screen position adjustment instruction comprises:
Screen is adjusted to the instruction of predeterminated position.
Preferably, before whether the position of the position of calculating described light source and described human eye satisfies preset condition, also comprise:
Obtain the angle of putting of described screen;
Calculating is put light source position and the position of human eye that angle is true origin with described.
A kind of screen position adjusting gear, described screen is in the environment that illumination is arranged, and comprising:
The light source position detection module is for detection of the position of light source in the described photoenvironment;
The position of human eye acquisition module is used for the position that obtains the human eye of watching described screen;
Position adjusting type modules is used for calculating the position of described light source and whether the position of described human eye satisfies preset condition, if then send screen position adjustment instruction.
Preferably, described light source position detection module comprises:
Image acquisition units is for the image of gathering described photoenvironment;
Judging unit is used for judging whether described image exists pointolite;
There is pointolite in the coordinate acquiring unit if be used for described image, then obtains the coordinate of described pointolite correspondence, if there is no, then according to default method, estimates the position coordinates of light source.
Preferably, described position of human eye acquisition module comprises:
Image acquisition units is used for the image that people's face of screen is watched in collection;
Graphics processing unit is used for the image of described people's face is carried out pre-service;
The human eye positioning unit, the facial image that is used for after processing is determined the position of human eye, and obtains the coordinate of described position of human eye correspondence.
Preferably, described position adjusting type modules comprises:
Instruction control unit is used for sending the prompting user and manually adjusts the instruction screen position or that screen is adjusted to predeterminated position.
Preferably, also comprise:
Gyroscope is for the angle of putting of the described screen of induction;
The angle calculation module be used for to be calculated with described and is put light source position and the position of human eye that angle is true origin.
A kind of electronic equipment has display screen, comprising:
Processor, for detection of the position of light source in the residing photoenvironment, and the position that obtains the human eye of the display screen of watching described electronic equipment, calculate the position of described light source and the position of described human eye and whether constitute reflection angle, if then send screen position adjustment instruction.
The screen position method of adjustment that the embodiment of the invention provides and device, electronic equipment, whether calculating becomes reflection angle with the human eye of watching screen through the light of the external light source of screen reflection, when the light of determining screen reflection enters human eye and causes when dazzling, the prompting user adjusts or adjusts automatically the position of screen, thereby has avoided not seeing because of the user that screen reflecting causes the problem of Chu's screen.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only 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 process flow diagram of the disclosed a kind of screen position of embodiment of the invention method of adjustment;
Fig. 2 is the process flow diagram that detects light source position method in the described photoenvironment in the method for adjustment of the disclosed a kind of screen position of the embodiment of the invention;
Fig. 3 judges the process flow diagram that whether has the method for pointolite in the described image in the method for adjustment of the disclosed a kind of screen position of the embodiment of the invention;
Fig. 4 is the process flow diagram of the method for the position coordinates of estimation light source in the method for adjustment of the disclosed a kind of screen position of the embodiment of the invention;
Fig. 5 is the process flow diagram of the method for the position that obtains the human eye of watching described screen in the method for adjustment of the disclosed a kind of screen position of the embodiment of the invention;
Fig. 6 is the structural representation of the disclosed a kind of screen position of embodiment of the invention adjusting gear.
Embodiment
The invention discloses a kind of screen position method of adjustment and device, electronic equipment, when screen is in the environment that illumination is arranged, can detect the position and the position of watching the human eye of screen of light source in the environment, and whether the position of calculating both constitutes reflection angle, if, then indicate screen is adjusted, to avoid not seeing because of the user that screen reflecting causes the problem of Chu's screen.
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 only 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 obtains under the creative work prerequisite.
The embodiment of the invention discloses a kind of screen adjustment method, described screen is in the environment that illumination is arranged, and as shown in Figure 1, described method comprises step:
S101: the position of detecting light source in the described environment;
Wherein, described light source comprises lamp, and for example sunshine also comprises indoor light source, for example incandescent lamp etc.
S102: the position that obtains the human eye of watching described screen;
Need to prove, watch the human eye of screen to refer to the human eye of watching screen in default scope, default scope can be set as required, for example, setting default scope is the visual range of screen, just can see the scope of displaying contents on the screen under the normal condition clearly.If there are many people to watch screen simultaneously, can obtain many people's human eye, carry out step S103 then respectively.
The position that can obtain human eye by the image of gathering human eye, the position that also can obtain human eye by methods such as iris detection, present embodiment does not limit.
S103: calculate the position of described light source and the position of described human eye and whether satisfy preset condition, if then send screen adjustment instruction.
For the ease of calculating, can use the position of the same coordinate system detection light source and the position that obtains human eye.
Wherein preset condition can comprise, the position of described light source and the position of human eye constitute reflection angle, when satisfying this condition, the illumination of light source to the screen after, human eye just can reflect in the human eye, so can not see content displayed on the screen because light crosses strong.
In addition, preset condition also can comprise, the angle that the position of human eye and the position of screen become to preset, and for example, the angle between human eye and screen has surpassed 180 degree etc.
When preset condition was satisfied in the position of the position of screen and human eye, the screen adjustment instruction of sending can be adjusted the hint instructions of screen for the prompting user, and the user can manually adjust screen according to this hint instructions, also can adjust program automatically by startup screen; The screen adjustment instruction of sending can also be for adjusting screen to the instruction of predeterminated position automatically, namely in case calculate the position of light source and preset condition is satisfied in the position of human eye, then send instruction, automatically screen is adjusted, screen is adjusted to avoided the position of injecting human eye is returned in illumination.
The adjustment of screen position comprised also comprise adjustment to the position of screen to the luffing angle of screen and the adjustment of attitude.
The described screen position of present embodiment method of adjustment, in the time of can being not suitable for human eye in the position of screen and seeing the displaying contents of screen clearly, send screen position adjustment instruction, avoided not seeing because of the user that screen reflecting causes the problem of Chu's screen, improved user's experience.
Further, as shown in Figure 2, the position of detecting light source in the described photoenvironment described in the present embodiment comprises step:
S201: the image of gathering described photoenvironment;
Photoenvironment can be the environment of natural lighting, also can be the indoor electric light source environment of illumination such as incandescent lamp, power saving fluorescent lamps for example.
The scope of the photoenvironment of gathering is the visual range of screen, what namely gather is the interior image of scope that can see screen content under the normal condition clearly, in the practical application, the visual range that also can take all factors into consideration image capture device and screen is determined the scope of collection photoenvironment.
General, regard the object that the needs in the image are paid close attention to as target, in the photoenvironment image that collects, light source is shown as the target high with background and other target phase specific luminances.
S202: judge whether there is pointolite in the described image, if, then obtain the coordinate of described pointolite correspondence, if not, then according to default method, estimate the position coordinates of light source.
Wherein, pointolite refers to light emitting source, for example incandescent lamp etc.As shown in Figure 3, judge whether exist the step of pointolite to comprise in the described image:
S301: with described image binaryzation, obtain bianry image;
In bianry image, background is 0 namely to be shown as black, target is 1 namely to be shown as white, because light source is luminophor, its brightness is higher than other objects far away, so be shown as target in bianry image, the contrast that act as target in the outstanding image of this step is so that the easier pointolite of judging.
S302: judge whether exist area greater than the target area of default value in the described bianry image;
Because noise generally also is shown as the target of white in bianry image, but it is discontinuous pixel, this is different with the pointolite that is shown as continuous white portion, in order to distinguish noise and pointolite, can preestablish a value, and calculate the area of the white object of continuum in the bianry image, if the area of white object is greater than default value, think that then it is pointolite, if be not more than default value, think that then it is noise spot.
S303: if then determine to have pointolite in the described image.
The light source that exists need to prove that the pointolite of indication is not only the light source of the rounded or point-like of form here, as long as all can be regarded pointolite as in the photoenvironment of gathering.
Corresponding with pointolite is non-existent light source in the photoenvironment image that collects, for example, sunshine shines under the indoor situation, screen is in the environment that illumination is arranged equally, and just might not comprise light source in the photoenvironment image that collects, at this moment, the definite position coordinates of light source can not be found by said method, and the position coordinates of light source can only be estimated.
As shown in Figure 4, the method that described basis is default, estimate that the position coordinates of light source comprises step:
S401: with described image gray processing, obtain gray level image;
Background in the gray level image uses different gray-scale values to show respectively with different targets.
S402: estimate the position of light source according to the variation tendency of gray-scale value in the described gray level image, and determine the coordinate of the position correspondence of described light source.
The background that brightness is high or target corresponding gray height, the background that brightness is low or target corresponding gray are low, so the closer to background or the target of light source, its gray-scale value is just more big, according to the ascending variation tendency of gray-scale value in the image, can estimate the position of light source.
The detection method of light source position described above based on image processing method, is convenient to operation and realization.
Further, as shown in Figure 5, the position that obtains the human eye of watching described screen described in the present embodiment comprises:
S501: the image of gathering people's face of watching screen;
Watch people's face of screen to refer to people's face in the visual range of screen.
S502: the image to described people's face carries out pre-service;
Preprocessing process comprises that image filtering, image cut apart etc., and purpose is to remove background and noise, for the location of human eye lays the foundation.
S503: in pretreated facial image, determine the position of human eye, and obtain the coordinate of described position of human eye correspondence.
The method of human eye location can comprise based on the features location method etc., repeats no more here.
Above-mentioned human eye localization method carries out on the basis of recognition of face, is applicable to different hardware platforms, and is portable good.
Further, can also comprise in the present embodiment:
Obtain the angle of putting of described screen;
Calculating is put light source position and the position of human eye that angle is true origin with described.
With the screen initial position of screen as the reference coordinate, avoided the screen putting position not just or the light source that obtains under the screen mobile status and position of human eye coordinate produce error, improved the precision of detection and location.
The invention also discloses a kind of screen position adjusting gear, described screen is in the environment that illumination is arranged, and as shown in Figure 6, comprising:
Light source position detection module 601 is for detection of the position of light source in the described photoenvironment;
Particularly, can comprise in the light source position detection module:
Image acquisition units, for the image of gathering described photoenvironment, in the practical application, image acquisition units comprises camera and image pick-up card.When gathering the image of photoenvironment, except the visible range of considering screen, the coverage of camera can also be taken into account, for example, but the image of the photoenvironment in the shooting angle of an acquisition camera.
Judging unit is used for judging whether described image exists pointolite;
Be treated to the basis corresponding to deterministic process with image, so, comprise the subelement with image processing function in the judging unit.
There is pointolite in the coordinate acquiring unit if be used for described image, then obtains the coordinate of described pointolite correspondence, if there is no, then according to default method, estimates the position coordinates of light source.
Position of human eye acquisition module 602 is used for the position that obtains the human eye of watching described screen;
Wherein the position of human eye acquisition module can comprise:
Image acquisition units is used for the image that people's face of screen is watched in collection;
Graphics processing unit is used for the image of described people's face is carried out pre-service;
The human eye positioning unit, the facial image that is used for after processing is determined the position of human eye, and obtains the coordinate of described position of human eye correspondence.
Position adjusting type modules 603 is used for calculating the position of described light source and whether the position of described human eye satisfies preset condition, if then send screen position adjustment instruction.
Position adjusting type modules comprises:
Instruction control unit is used for sending the prompting user and manually adjusts the instruction screen position or that screen is adjusted to predeterminated position.
The described screen position of present embodiment adjusting gear, adjust screen to not making light reflect into the position of eyes of user according to screen position and the position of human eye of watching screen, guaranteed that the user can not see the content on Chu's screen because of screen reflecting in the environment of illumination is arranged, promoted user's experience.
Further, described device also comprises:
Gyroscope is for the angle of putting of the described screen of induction;
Gyroscope is installed on the described device, can record angle that screen normally puts, attitude etc., and when the angle of described screen or attitude changed, gyroscope can also induce the parameters such as angle of variation.
The angle calculation module be used for to be calculated with described and is put light source position and the position of human eye that angle is true origin.
If gyroscope induces the angle of screen variation has taken place, computing unit is taken into account the angle of this variation when calculating light source position and position of human eye, is that true origin is calculated with the angle after changing namely, to improve precision of calculation results.
The invention also discloses a kind of electronic equipment, have display screen, comprising:
Processor, for detection of the position of light source in the residing photoenvironment, and the position that obtains the human eye of the display screen of watching described electronic equipment, calculate the position of described light source and the position of described human eye and whether satisfy preset condition, if then send screen position adjustment instruction.
Wherein, the processor position that obtains the human eye of the display screen of watching described electronic equipment can be realized by the image acquisition units of control electronic equipment.
The detailed process that described electronic equipment is adjusted screen is: processor control image capturing system is gathered the image of photoenvironment and is watched the image of the human eye of screen, and the described image detection of foundation goes out the position of light source and the position of human eye, and calculate the position of light source and whether the position of human eye satisfies preset condition, for example whether both constitute reflection angle, if then send screen position adjustment instruction.
When the user uses described electronic equipment under the situation of illumination, can be because of not reflective and do not see content on its screen of Chu.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed is and the difference of other embodiment that same or similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (15)
1. screen position method of adjustment, described screen is in the environment that illumination is arranged, and it is characterized in that, comprising:
Detect the position of light source in the described photoenvironment;
Obtain the position of the human eye of watching described screen;
Calculate the position of described light source and the position of described human eye and whether satisfy preset condition, if then send screen position adjustment instruction.
2. method according to claim 1 is characterized in that, the position of light source comprises in the described photoenvironment of described detection:
Gather the image of described photoenvironment;
Judge whether there is pointolite in the described image, if, then obtain the coordinate of described pointolite correspondence, if not, then according to default method, estimate the position coordinates of light source.
3. method according to claim 2 is characterized in that, the method that described basis is default estimates that the position coordinates of light source comprises:
With described image gray processing, obtain gray level image;
Estimate the position of light source according to the variation tendency of gray-scale value in the described gray level image, and determine the coordinate of the position correspondence of described light source.
4. method according to claim 2 is characterized in that, describedly judges whether exist pointolite to comprise in the described image:
With described image binaryzation, obtain bianry image;
Judge whether exist area greater than the target area of default value in the described bianry image, if then determine to have pointolite in the described image.
5. method according to claim 1 is characterized in that, the described position that obtains the human eye of watching described screen comprises:
The image of people's face of screen is watched in collection;
Image to described people's face carries out pre-service;
In pretreated facial image, determine the position of human eye, and obtain the coordinate of described position of human eye correspondence.
6. method according to claim 1 is characterized in that, described preset condition comprises:
The position of described light source and the position of human eye constitute reflection angle.
7. method according to claim 1 is characterized in that, adjustment instruction in described screen position comprises:
The prompting user manually adjusts the instruction of screen position.
8. method according to claim 1 is characterized in that, adjustment instruction in described screen position comprises:
Screen is adjusted to the instruction of predeterminated position.
9. method according to claim 1 is characterized in that, before whether the position of the position of calculating described light source and described human eye satisfies preset condition, also comprises:
Obtain the angle of putting of described screen;
Calculating is put light source position and the position of human eye that angle is true origin with described.
10. screen position adjusting gear, described screen is in the environment that illumination is arranged, and it is characterized in that, comprising:
The light source position detection module is for detection of the position of light source in the described photoenvironment;
The position of human eye acquisition module is used for the position that obtains the human eye of watching described screen;
Position adjusting type modules is used for calculating the position of described light source and whether the position of described human eye satisfies preset condition, if then send screen position adjustment instruction.
11. device according to claim 10 is characterized in that, described light source position detection module comprises:
Image acquisition units is for the image of gathering described photoenvironment;
Judging unit is used for judging whether described image exists pointolite;
There is pointolite in the coordinate acquiring unit if be used for described image, then obtains the coordinate of described pointolite correspondence, if there is no, then according to default method, estimates the position coordinates of light source.
12. device according to claim 10 is characterized in that, described position of human eye acquisition module comprises:
Image acquisition units is used for the image that people's face of screen is watched in collection;
Graphics processing unit is used for the image of described people's face is carried out pre-service;
The human eye positioning unit, the facial image that is used for after processing is determined the position of human eye, and obtains the coordinate of described position of human eye correspondence.
13. device according to claim 10 is characterized in that, described position adjusting type modules comprises:
Instruction control unit is used for sending the prompting user and manually adjusts the instruction screen position or that screen is adjusted to predeterminated position.
14. device according to claim 10 is characterized in that, also comprises:
Gyroscope is for the angle of putting of the described screen of induction;
The angle calculation module be used for to be calculated with described and is put light source position and the position of human eye that angle is true origin.
15. an electronic equipment has display screen, it is characterized in that, comprising:
Processor, for detection of the position of light source in the residing photoenvironment, and the position that obtains the human eye of the display screen of watching described electronic equipment, calculate the position of described light source and the position of described human eye and whether constitute reflection angle, if then send screen position adjustment instruction.
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| CN109063636B (en) * | 2018-07-30 | 2021-05-07 | 安徽慧视金瞳科技有限公司 | Automatic highlight early warning method for interactive classroom teaching system |
| CN110310525A (en) * | 2019-07-09 | 2019-10-08 | 重庆工业职业技术学院 | Classroom instruction demenstration method and classroom instruction apparatus for demonstrating |
| CN113552137A (en) * | 2021-08-05 | 2021-10-26 | 深圳市翔宇电路有限公司 | AOI (argon oxygen decarburization) detector used under high-humidity and high-light environment |
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