CN103207665B - 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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- CN103207665B CN103207665B CN201210013300.4A CN201210013300A CN103207665B CN 103207665 B CN103207665 B CN 103207665B CN 201210013300 A CN201210013300 A CN 201210013300A CN 103207665 B CN103207665 B CN 103207665B
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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 is related to computer realm, more particularly to a kind of screen position method of adjustment and device, electronic equipment clearly.
Background technology
When electronic equipment is used in having the environment of light source when, screen can be reflected the light that light source sends, if
Reflection light reflects the eyes of access customer, then user can be caused to produce dazzling sensation, at this moment just occurs that user does not see Chu
The problem of screen, but there is presently no the method or apparatus for solving this problem.
The content of the invention
In view of this, the invention provides a kind of screen position method of adjustment and device, electronic equipment, it is therefore intended that solve
The user caused because of screen reflecting does not see the problem of Chu's screen.
A kind of screen position method of adjustment, the screen is in be had in the environment of illumination, including：
Detect the position of light source in the photoenvironment；
Obtain the position of the human eye of the viewing screen；
Whether the position of the position and the human eye that calculate the light source meets default condition, if it is, sending screen
Curtain position adjustment instruction.
Preferably, the position of light source includes in the detection photoenvironment：
Gather the image of the photoenvironment；
Judge with the presence or absence of point source in described image, if it is, the corresponding coordinate of the point source is obtained, if
It is no, then according to default method, estimate the position coordinateses of light source.
Preferably, described according to default method, estimating the position coordinateses of light source includes：
By described image gray processing, gray level image is obtained；
Estimate the position of light source according to the variation tendency of gray value in the gray level image, and determine the position of the light source
Corresponding coordinate.
Preferably, include with the presence or absence of point source in the judgement described image：
By described image binaryzation, bianry image is obtained；
Judge to be more than the target area of default value with the presence or absence of area in the bianry image, if it is, determining institute
State and exist in image point source.
Preferably, the position of the human eye for obtaining the viewing screen includes：
The image of the face of collection viewing screen；
Pretreatment is carried out to the image of the face；
The position of human eye is determined in facial image after the pre-treatment, and obtains the corresponding coordinate of the position of human eye.
Preferably, the default condition includes：
The position of the light source constitutes reflection angle with the position of human eye.
Preferably, the screen position adjust instruction includes：
Prompting user manually adjusts the instruction of screen position.
Preferably, the screen position adjust instruction includes：
Screen is adjusted to into the instruction of predeterminated position.
Preferably, before whether the calculating position of light source and the position of the human eye meet default condition, also wrap
Include：
Obtain the angles of the screen；
Calculate the light source position and position of human eye with the angles as zero.
A kind of screen position adjusting apparatus, the screen is in be had in the environment of illumination, including：
Light source position detection module, for detecting the photoenvironment in light source position；
Position of human eye acquisition module, for obtaining the position of the human eye of the viewing screen；
Whether position adjusting type modules, the position of position and the human eye for calculating the light source meets default bar
Part, if it is, sending screen position adjust instruction.
Preferably, the light source position detection module includes：
Image acquisition units, for gathering the image of the photoenvironment；
Judging unit, for judging described image in whether there is point source；
Coordinate acquiring unit, if for there is point source in described image, obtaining the corresponding coordinate of the point source,
If it does not exist, then according to default method, estimating the position coordinateses of light source.
Preferably, the position of human eye acquisition module includes：
Image acquisition units, for the image of the face of collection viewing screen；
Graphics processing unit, for carrying out pretreatment to the image of the face；
Human eye positioning unit, for determining the position of human eye in facial image after treatment, and obtains the human eye position
Put corresponding coordinate.
Preferably, the position adjusting type modules include：
Instruction control unit, for sending that prompting user manually adjusts screen position or screen being adjusted to into predeterminated position
Instruction.
Preferably, also include：
Gyroscope, for sensing the angles of the screen；
Angle calculation module, for calculating light source position and position of human eye with the angles as zero.
A kind of electronic equipment, with display screen, including：
Processor, for detecting residing photoenvironment in light source position, and obtain the aobvious of the viewing electronic equipment
The position of the human eye of display screen curtain, calculates the position of light source and whether the position of the human eye constitutes reflection angle, if it is,
Then send screen position adjust instruction.
Screen position method of adjustment provided in an embodiment of the present invention and device, electronic equipment, calculate the outer of Jing screen reflections
The light of portion's light source whether with the human eye of viewing screen into reflection angle, when it is determined that the light of screen reflection causes into human eye
When dazzling, the position of user's adjustment or adjust automatically screen is pointed out, seen so as to avoid the user caused because of screen reflecting
The problem of screen is not known.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of screen position method of adjustment disclosed in the embodiment of the present invention；
Fig. 2 is to detect light source position in the photoenvironment in a kind of screen position method of adjustment disclosed in the embodiment of the present invention
Put the flow chart of method；
Fig. 3 is to judge to whether there is point in described image in a kind of screen position method of adjustment disclosed in the embodiment of the present invention
The flow chart of the method for light source；
Fig. 4 is the method for the position coordinateses that light source is estimated in a kind of screen position method of adjustment disclosed in the embodiment of the present invention
Flow chart；
Fig. 5 is the human eye that the viewing screen is obtained in a kind of screen position method of adjustment disclosed in the embodiment of the present invention
The flow chart of the method for position；
Fig. 6 is a kind of structural representation of screen position adjusting apparatus disclosed in the embodiment of the present invention.
Specific embodiment
The invention discloses a kind of screen position method of adjustment and device, electronic equipment, in ring of the screen in there is illumination
When in border, the position of the human eye of the position of light source and viewing screen in environment is able to detect that, and whether calculates both positions
Reflection angle is constituted, if it is, indicate to be adjusted screen, to avoid the user caused because of screen reflecting from not seeing Chu
The problem of screen.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of screen adjustment method, the screen is in be had in the environment of illumination, such as Fig. 1 institutes
Show, methods described includes step：
S101：Detect the position of light source in the environment；
Wherein, the light source include lamp, such as sunlight, also including indoor light source, such as electric filament lamp etc..
S102：Obtain the position of the human eye of the viewing screen；
It should be noted that the human eye of viewing screen refers to watch the human eye of screen in default scope, it is default
Scope can set as needed, for example, set default scope as the visual range of screen, that is, under normal circumstances can
See the scope of display content on screen.If many people watch screen simultaneously, the human eye of many people can be obtained, then be distinguished
Carry out step S103.
The position of human eye can be obtained by the image of collection human eye, it is also possible to obtain by methods such as iris detections
The position of human eye, the present embodiment is not limited.
S103：Whether the position of the position and the human eye that calculate the light source meets default condition, if it is, sending out
Go out screen adjust instruction.
For the ease of calculating, it is possible to use the position of the same coordinate system detection light source and the position of acquisition human eye.
Wherein default condition can include that the position of the light source constitutes reflection angle with the position of human eye, works as satisfaction
During this condition, after the light of light source is shone on screen, can just reflect in human eye, so human eye can be seen because light is too strong
The content shown on unclear screen.
In addition, default condition can also include, the position of human eye and the position of screen into default angle, example
Such as, the angle between human eye and screen has exceeded 180 degree etc..
When the position of screen and the position of human eye meet default condition, the screen adjust instruction for sending can be prompting
User adjusts the hint instructions of screen, and user can manually adjust screen according to this hint instructions, it is also possible to start screen automatic
Adjustment programme；The screen adjust instruction for sending can also be instruction of the adjust automatically screen to predeterminated position, i.e., once calculating
The position of light source and the position of human eye meet default condition, then send instruction, and screen is adjusted automatically, and screen is adjusted
To avoiding returning illumination the position of injecting human eye.
Adjustment to screen position includes the adjustment of the position to screen, also includes the luffing angle to screen and appearance
The adjustment of state.
Screen position method of adjustment described in the present embodiment, can be not suitable for human eye and see screen in the position of screen
During display content, send screen position adjust instruction, it is to avoid the user caused because of screen reflecting does not see asking for Chu's screen
Topic, improves the experience of user.
Further, as shown in Fig. 2 the position of light source in the photoenvironment is detected described in the present embodiment includes step
Suddenly：
S201：Gather the image of the photoenvironment；
Photoenvironment can be the environment of natural lighting, or indoor electric light source such as electric filament lamp, power saving fluorescent lampss etc.
The environment of illumination.
The scope of the photoenvironment of collection is the visual range of screen, that is, what is gathered is can to see screen under normal circumstances
Image in the range of curtain content, in practical application, it is also possible to which the visual range for considering image capture device and screen comes
It is determined that the scope of collection photoenvironment.
General, regard the object of the needs concern in image as target, in the photoenvironment image for collecting, light source
It is shown as the target high with background and other target phase specific luminances.
S202：Judge with the presence or absence of point source in described image, if it is, the corresponding coordinate of the point source is obtained,
If it is not, then according to default method, estimating the position coordinateses of light source.
Wherein, point source refers to luminous source, such as electric filament lamp etc..As shown in figure 3, judging to whether there is in described image
The step of point source, includes：
S301：By described image binaryzation, bianry image is obtained；
In bianry image, background is shown as black for 0, and target is shown as white for 1, because light source is luminous
Body, its brightness is significantly larger than other objects, so be shown as target in bianry image, the acting as of this step is projected in image
The contrast of target, to more easily determine out point source.
S302：Judge to be more than the target area of default value with the presence or absence of area in the bianry image；
Because noise is typically also displayed as the target of white in bianry image, but it is discontinuous pixel, this with
The point source for being shown as continuous white portion is different, in order to distinguish noise and point source, can preset a value, and
The area of the white object of continuum in bianry image is calculated, if the area of white object is more than default value, then it is assumed that
It is point source, if no more than default value, then it is assumed that it is noise spot.
S303：If it is, determining in described image there is point source.
It should be noted that point source referred herein is not only that form is rounded or light source of point-like, as long as adopting
Light source present in the photoenvironment of collection, is all considered as point source.
Corresponding with point source is the non-existent light source in the photoenvironment image for collecting, for example, solar irradiation
In the case of entering interior, screen is similarly in the environment of illumination, and is possible to not in the photoenvironment image for collecting
Including light source, now, the definite position coordinateses of light source are unlikely to find by said method, and can only estimate that the position of light source is sat
Mark.
As shown in figure 4, described according to default method, estimating the position coordinateses of light source includes step：
S401：By described image gray processing, gray level image is obtained；
Background and different targets in gray level image is shown respectively using different gray values.
S402：Estimate the position of light source according to the variation tendency of gray value in the gray level image, and determine the light source
The corresponding coordinate in position.
The high background of brightness or the corresponding gray value of target are high, and the low background of brightness or the corresponding gray value of target are low, institute
So that the closer to the background or target of light source, its gray value is bigger, according to the ascending variation tendency of gray value in image,
The position of light source can be estimated.
The detection method of light source position described above, based on image processing method, is easy to operate and realizes.
Further, include as shown in figure 5, obtaining the position of the human eye of the viewing screen described in the present embodiment：
S501：The image of the face of collection viewing screen；
The face of viewing screen refers to the face in the visual range of screen.
S502：Pretreatment is carried out to the image of the face；
Preprocessing process includes image filtering, image segmentation etc., it is therefore intended that removes background and noise, is the positioning of human eye
Lay the foundation.
S503：The position of human eye is determined in facial image after the pre-treatment, and obtains the corresponding seat of the position of human eye
Mark.
The method of human eye positioning can include localization method of feature based etc., repeat no more here.
Above-mentioned human-eye positioning method, is carried out on the basis of recognition of face, it is adaptable to different hardware platforms, transplantation
Property is good.
Further, can also include in the present embodiment：
Obtain the angles of the screen；
Calculate the light source position and position of human eye with the angles as zero.
Using the screen initial position of screen as reference coordinate, it is to avoid in screen putting position not just or screen movement shape
The light source obtained under state and position of human eye coordinate produce error, improve the precision of detection positioning.
The invention also discloses a kind of screen position adjusting apparatus, the screen is in be had in the environment of illumination, such as Fig. 6 institutes
Show, including：
Light source position detection module 601, for detecting the photoenvironment in light source position；
Specifically, can include in light source position detection module：
Image acquisition units, for gathering the image of the photoenvironment, in practical application, image acquisition units include taking the photograph
As head and image pick-up card.During the image of collection photoenvironment, in addition to considering the visible range of screen, can also be by photographic head
Coverage take into account, for example, an acquisition camera can be in shooting angle photoenvironment image.
Judging unit, for judging described image in whether there is point source；
Corresponding to judge process based on image procossing, so, judging unit is included with image processing function
Subelement.
Coordinate acquiring unit, if for there is point source in described image, obtaining the corresponding coordinate of the point source,
If it does not exist, then according to default method, estimating the position coordinateses of light source.
Position of human eye acquisition module 602, for obtaining the position of the human eye of the viewing screen；
Wherein position of human eye acquisition module can include：
Image acquisition units, for the image of the face of collection viewing screen；
Graphics processing unit, for carrying out pretreatment to the image of the face；
Human eye positioning unit, for determining the position of human eye in facial image after treatment, and obtains the human eye position
Put corresponding coordinate.
Whether position adjusting type modules 603, the position of position and the human eye for calculating the light source meets default
Condition, if it is, sending screen position adjust instruction.
Position adjusting type modules include：
Instruction control unit, for sending that prompting user manually adjusts screen position or screen being adjusted to into predeterminated position
Instruction.
Screen position adjusting apparatus described in the present embodiment, according to screen position and the position of human eye adjustment screen of viewing screen
Curtain is to the position that light will not be made to reflect into eyes of user, it is ensured that user will not be because of screen reflecting in the environment for have illumination
And the content on Chu's screen is not seen, improve Consumer's Experience.
Further, described device also includes：
Gyroscope, for sensing the angles of the screen；
Gyroscope is installed in described device, angle, attitude that screen is normally put etc. can be recorded, when the screen
When angle or attitude change, gyroscope can also induce the parameters such as the angle of change.
Angle calculation module, for calculating light source position and position of human eye with the angles as zero.
If gyroscope induces the angle of screen and there occurs change, computing unit is calculating light source position and position of human eye
When by this change from the point of view of enter, i.e., calculated as zero with the angle after change, to improve result of calculation
Precision.
The invention also discloses a kind of electronic equipment, with display screen, including：
Processor, for detecting residing photoenvironment in light source position, and obtain the aobvious of the viewing electronic equipment
The position of the human eye of display screen curtain, calculates the position of light source and whether the position of the human eye meets default condition, if
It is then to send screen position adjust instruction.
Wherein, the position of the human eye of the display screen of the processor acquisition viewing electronic equipment can be by controlling electronics
The image acquisition units of equipment are realized.
The electronic equipment adjusts the detailed process of screen：Processor control image capturing system collection photoenvironment
The image of the human eye of image and viewing screen, and the position of light source and the position of human eye are detected according to described image, and calculate
Whether the position of light source and the position of human eye meet default condition, and for example whether both constitute reflection angle, if it is, sending out
Go out screen position adjust instruction.
User will not see on its screen of Chu when the electronic equipment is used in the case of illumination because of reflective
Content.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment same or similar part mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (14)
1. a kind of screen position method of adjustment, the screen is in having in the environment of illumination, it is characterised in that include：
Detect the position of light source in the photoenvironment；
Obtain the position of the human eye of the viewing screen；
Whether the position of the position and the human eye that calculate the light source meets default condition, if it is, sending screen position
Put adjust instruction；
Wherein, the default condition includes：The position of the light source constitutes reflection angle with the position of human eye.
2. method according to claim 1, it is characterised in that the position bag of light source in the detection photoenvironment
Include：
Gather the image of the photoenvironment；
Judge with the presence or absence of point source in described image, if it is, the corresponding coordinate of the point source is obtained, if it is not, then
According to default method, the position coordinateses of light source are estimated.
3. method according to claim 2, it is characterised in that described according to default method, the position for estimating light source is sat
Mark includes：
By described image gray processing, gray level image is obtained；
Estimate the position of light source according to the variation tendency of gray value in the gray level image, and determine the position correspondence of the light source
Coordinate.
4. method according to claim 2, it is characterised in that whether there is point source bag in the judgement described image
Include：
By described image binaryzation, bianry image is obtained；
Judge to be more than the target area of default value with the presence or absence of area in the bianry image, if it is, determining the figure
There is point source as in.
5. method according to claim 1, it is characterised in that the position bag of the human eye of the screen is watched in the acquisition
Include：
The image of the face of collection viewing screen；
Pretreatment is carried out to the image of the face；
The position of human eye is determined in facial image after the pre-treatment, and obtains the corresponding coordinate of the position of human eye.
6. method according to claim 1, it is characterised in that the screen position adjust instruction includes：
Prompting user manually adjusts the instruction of screen position.
7. method according to claim 1, it is characterised in that the screen position adjust instruction includes：
Screen is adjusted to into the instruction of predeterminated position.
8. method according to claim 1, it is characterised in that in the position of the position and the human eye for calculating the light source
Before whether meeting default condition, also include：
Obtain the angles of the screen；
Calculate the light source position and position of human eye with the angles as zero.
9. a kind of screen position adjusting apparatus, the screen is in having in the environment of illumination, it is characterised in that include：
Light source position detection module, for detecting the photoenvironment in light source position；
Position of human eye acquisition module, for obtaining the position of the human eye of the viewing screen；
Whether position adjusting type modules, the position of position and the human eye for calculating the light source meets default condition, such as
Fruit is then to send screen position adjust instruction；Wherein, the default condition includes：The position of the light source and the position of human eye
Put composition reflection angle.
10. device according to claim 9, it is characterised in that the light source position detection module includes：
Image acquisition units, for gathering the image of the photoenvironment；
Judging unit, for judging described image in whether there is point source；
Coordinate acquiring unit, if for there is point source in described image, obtaining the corresponding coordinate of the point source, if
Do not exist, then according to default method, estimate the position coordinateses of light source.
11. devices according to claim 9, it is characterised in that the position of human eye acquisition module includes：
Image acquisition units, for the image of the face of collection viewing screen；
Graphics processing unit, for carrying out pretreatment to the image of the face；
Human eye positioning unit, for determining the position of human eye in facial image after treatment, and obtains the position of human eye pair
The coordinate answered.
12. devices according to claim 9, it is characterised in that the position adjusting type modules include：
Instruction control unit, for sending that prompting user manually adjusts screen position or screen being adjusted to into the finger of predeterminated position
Order.
13. devices according to claim 9, it is characterised in that also include：
Gyroscope, for sensing the angles of the screen；
Angle calculation module, for calculating light source position and position of human eye with the angles as zero.
14. a kind of electronic equipment, with display screen, it is characterised in that include：
Processor, for detecting residing photoenvironment in light source position, and obtain the display screen for watching the electronic equipment
The position of the human eye of curtain, calculates the position of light source and whether the position of the human eye constitutes reflection angle, if it is, sending out
Go out screen position adjust instruction.
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| CN104345772B (en) * | 2013-07-23 | 2019-01-15 | 联想(北京)有限公司 | A kind of information processing method and device |
| CN104461425B (en) * | 2014-11-28 | 2018-11-27 | 广东欧珀移动通信有限公司 | Display adjusting method, device and the terminal of screen content |
| CN105573691A (en) * | 2015-05-28 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Parameter adjustment method for display screen of user terminal and user terminal |
| CN105812678A (en) * | 2016-03-07 | 2016-07-27 | 合肥联宝信息技术有限公司 | Electronic equipmentcapable of improving light reflection phenomenon and method thereof |
| CN106094882A (en) * | 2016-06-20 | 2016-11-09 | 南京巨鲨显示科技有限公司 | The adaptive intelligent display in a kind of locus |
| CN106528034B (en) * | 2016-12-23 | 2019-11-26 | 维沃移动通信有限公司 | A kind of method of adjustment and mobile terminal of contents displayed on interface |
| CN108172161B (en) * | 2017-12-28 | 2022-05-17 | 努比亚技术有限公司 | Display method based on flexible screen, mobile terminal and computer readable storage medium |
| 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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