CN105353875B - The method and apparatus for adjusting screen visible area - Google Patents
The method and apparatus for adjusting screen visible area Download PDFInfo
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- CN105353875B CN105353875B CN201510746821.4A CN201510746821A CN105353875B CN 105353875 B CN105353875 B CN 105353875B CN 201510746821 A CN201510746821 A CN 201510746821A CN 105353875 B CN105353875 B CN 105353875B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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Abstract
The disclosure discloses a kind of method and apparatus of adjusting screen visible area, belongs to display technology field.The method includes：The position of the distance between face and screen and face is obtained by least one camera；The adaptation display size of the visible area of screen is determined according to the distance；According to the adaptation display location of the location determination visible area of face；Control visible area is shown according to adaptation display size and adaptation display location in screen.The disclosure solves the relevant technologies and user is needed to adjust the size of visible area manually, and leads to cumbersome and relatively low accommodation accuracy problem；Adaptation display size and position that automation adjusts visible area are realized, reduces the operation requirement to user, and help to improve accommodation accuracy, and then has reached mitigation user eye rotation fatigue, improves the technique effect of user's viewing experience.
Description
Technical field
This disclosure relates to display technology field, more particularly to a kind of method and apparatus adjusting screen visible area.
Background technology
The position of television set is usually fixed constant, and the viewing location of user changes often.For example, user
Sometimes it leans against the head of a bed and sees TV, lie prone again sometimes and see TV in tailstock.The difference of the distance between user and television set, can direct shadow
Ring the viewing experience to user.
In the related art, user can adjust television screen manually according to the distance between itself and television screen
Visible area size.For example, when the distance between user and television screen farther out when, keep the original ruler of visible area
It is very little；And when the distance between user and television screen are closer, the manually adjustable size for reducing visible area of user, to subtract
Light visual fatigue.
However, above-mentioned the relevant technologies have at least the following problems：On the one hand, the size of visible area needs user to adjust manually
Section, it is cumbersome；On the other hand, it is not the size for being well understood by viewing distance and visible area for most of user
Between suitable proportionate relationship, this result in user be difficult to accurately adjust visible area size.
Invention content
In order to overcome the problems, such as present in the relevant technologies, the embodiment of the present disclosure provides a kind of adjusting screen visible area
Method and apparatus.The technical solution is as follows：
According to the first aspect of the embodiments of the present disclosure, a kind of method of adjusting screen visible area, this method packet are provided
It includes：
The position of the distance between face and screen and face is obtained by least one camera；
The adaptation display size of the visible area of screen is determined according to the distance；
According to the adaptation display location of the location determination visible area of face；
Control visible area is shown according to adaptation display size and adaptation display location in screen.
Optionally, the adaptation display size of the visible area of screen is determined according to the distance, including：
The longitudinal length of visible area is calculated according to the distance and the first proportionality coefficient, the first proportionality coefficient is according to distance
Fit scale between the longitudinal length of visible area is preset；
The lateral length of visible area, the second ratio system are calculated according to the longitudinal length of visible area and the second proportionality coefficient
Number is determined according to the original display size of visible area.
Optionally, the distance between face and screen are obtained by least one camera, including：
The distance between face and screen are calculated using dual camera telemetry.
Optionally, the distance between face and screen are obtained by least one camera, including：
Include the image of face by the shooting of at least one camera；
Face is identified from image；
Calculate face shared pixel ratio in the picture；
The distance between face and screen are determined according to pixel ratio.
Optionally, according to the adaptation display location of the location determination visible area of face, including：
An alternative display location is chosen from N number of alternative display location according to the position of face, and standby by what is be selected
Display location is selected to be determined as the adaptation display location of visible area, N >=2 and N are integer；
Alternatively,
According to the view field of location determination face plane where screen of face, concern is chosen from view field
Point determines that the adaptation of visible area shows position according to the adaptation display size of position and visible area of the focus in screen
It sets.
According to the second aspect of the embodiment of the present disclosure, a kind of device of adjusting screen visible area, the device packet are provided
It includes：
Acquisition module is configured as obtaining the distance between face and screen and face by least one camera
Position；
Size determining module is configured as determining the adaptation display size of the visible area of screen according to distance；
Position determination module is configured as the adaptation display location of the location determination visible area according to face；
Control module, be configured as control visible area according to adaptation display size and adaptation display location in screen into
Row display.
Optionally, size determining module, including：First computational submodule and the second computational submodule；
First computational submodule is configured as calculating the longitudinal length of visible area according to distance and the first proportionality coefficient,
First proportionality coefficient is preset according to the fit scale between distance and the longitudinal length of visible area；
Second computational submodule is configured as calculating visible area according to the longitudinal length of visible area and the second proportionality coefficient
The lateral length in domain, the second proportionality coefficient are determined according to the original display size of visible area.
Optionally, acquisition module, including：Apart from acquisition submodule；
Apart from acquisition submodule, it is configured as calculating the distance between face and screen using dual camera telemetry.
Optionally, acquisition module, including：Apart from acquisition submodule；
Apart from acquisition submodule, it is configured as：
Include the image of face by the shooting of at least one camera；
Face is identified from image；
Calculate face shared pixel ratio in the picture；
The distance between face and screen are determined according to pixel ratio.
Optionally, position determination module is configured as：
An alternative display location is chosen from N number of alternative display location according to the position of face, and standby by what is be selected
Display location is selected to be determined as the adaptation display location of visible area, N >=2 and N are integer；
Alternatively,
According to the view field of location determination face plane where screen of face, concern is chosen from view field
Point determines that the adaptation of visible area shows position according to the adaptation display size of position and visible area of the focus in screen
It sets.
Optionally, camera is set to the outer ledge of screen；Alternatively, camera is integrated in screen.
According to the third aspect of the embodiment of the present disclosure, a kind of device of adjusting screen visible area, the device packet are provided
It includes：
Processor；
Memory for storing processor-executable instruction；
Wherein, which is configured as：
The position of the distance between face and screen and face is obtained by least one camera；
The adaptation display size of the visible area of screen is determined according to the distance；
According to the adaptation display location of the location determination visible area of face；
Control visible area is shown according to adaptation display size and adaptation display location in screen.
The technical solution that the embodiment of the present disclosure provides can include the following benefits：
The position that the distance between user's face and screen and face are obtained by camera, according to the distance and face position
Adaptation display size and the position of determining visible area are set, and controls visible area and is shielding according to the adaptation display size and position
It is shown in curtain；Solving the relevant technologies needs user to adjust the size of visible area manually, and causes cumbersome and adjust
Save the relatively low problem of accuracy；On the one hand, the adaptation display size that automation adjusts visible area is realized, is reduced to user
Operation requirement, and help to improve accommodation accuracy；On the other hand, the adaptation for realizing automation adjusting visible area is shown
Position has reached mitigation user eye rotation fatigue, has improved the technique effect of user's viewing experience.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
It is open.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of the method for adjusting screen visible area shown according to an exemplary embodiment；
Fig. 2A is a kind of flow chart of the method for the adjusting screen visible area shown according to another exemplary embodiment；
Fig. 2 B and Fig. 2 C are the schematic diagrames for the dual camera telemetry that Fig. 2A illustrated embodiments are related to；
Fig. 2 D and Fig. 2 E are the schematic diagrames of the position for the adjusting visible area that Fig. 2A illustrated embodiments are related to；
Fig. 3 is a kind of block diagram of the device of adjusting screen visible area shown according to an exemplary embodiment；
Fig. 4 is a kind of block diagram of the device of the adjusting screen visible area shown according to another exemplary embodiment；
Fig. 5 is a kind of block diagram of device shown according to an exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The method for the adjusting screen visible area that the embodiment of the present disclosure provides can be applied to such as television set, computer, family
In the electronic equipment of front yard audio-visual devices etc.To simplify the explanation, in following each method embodiments, in addition to special instruction,
It is only illustrated as electronic equipment using the executive agent of each step, but does not constitute restriction to this.
Fig. 1 is a kind of flow chart of the method for adjusting screen visible area shown according to an exemplary embodiment.The party
Method may comprise steps of：
In a step 101, the position of the distance between face and screen and face is obtained by least one camera.
In a step 102, the adaptation display size of the visible area of screen is determined according to the distance.
In step 103, according to the adaptation display location of the location determination visible area of face.
At step 104, control visible area is shown according to adaptation display size and adaptation display location in screen
Show.
In conclusion method provided in this embodiment, by camera obtain the distance between user's face and screen and
The position of face, adaptation display size and the position of visible area are determined according to the distance and face location, and control visible area
Domain is shown according to the adaptation display size and position in screen；Solving the relevant technologies needs user to adjust manually visually
The size in region, and lead to cumbersome and relatively low accommodation accuracy problem；On the one hand, it realizes automation and adjusts visible area
The adaptation display size in domain reduces the operation requirement to user, and helps to improve accommodation accuracy；On the other hand, it realizes
Automation adjusts the adaptation display location of visible area, has reached mitigation user eye rotation fatigue, has improved user and watch body
The technique effect tested.
Fig. 2A is a kind of flow chart of the method for the adjusting screen visible area shown according to another exemplary embodiment.It should
Method may comprise steps of：
In step 201, the position of the distance between face and screen and face is obtained by least one camera.
In the embodiments of the present disclosure, it is provided at least one camera on the display of electronic equipment, this is at least one to take the photograph
As head is used to obtain the position of the distance between user's face and screen and face.In order to ensure apart from acquisition precision, camera shooting
The eyeglass of head and the screen of display are in the same plane.
In addition, in the case where the quantity of camera is one, which may be disposed at the outer ledge of screen, such as set
It is placed in above screen；Alternatively, the camera can be also integrated in screen, it is such as set to center Screen.It is in the quantity of camera
In the case of multiple, multiple camera can be evenly distributedly set in the outer ledge and/or screen of screen.
In the present embodiment, following three kinds of possible embodiments are provided with obtain between user's face and screen away from
From.
In the first possible embodiment, using dual camera telemetry calculate between user's face and screen away from
From.In conjunction with reference to figure 2B and Fig. 2 C, it illustrates the schematic diagrames of dual camera telemetry.The 20 top setting of screen of electronic equipment
There are the first camera 21 and second camera 22.It is the identical of f that first camera 21 and second camera 22, which are two focal lengths,
Camera.The primary optical axis of first camera 21 and second camera 22 is mutually parallel.Point P indicates user's face.
Utilize similar triangle theory, you can derive the value of Z：
Wherein, Z indicates user's face to the depth of projection centre, f expression focal lengths, during T is indicated between two cameras
The heart is away from d=xl-xrIndicate parallax.After acquiring Z, you can it is Z-f to find out object distance.Object distance Z-f be user's face with screen it
Between distance.
In second of possible embodiment, using single camera telemetry calculate between user's face and screen away from
From.By imaging formulaIt can obtainWherein, u expression things away from (namely between user's face and screen away from
From), f indicates that focal length, v indicate image distance.
In the third possible embodiment, step 201 includes following several sub-steps：
1, include the image of face by the shooting of at least one camera；
2, face is identified from image；
3, face shared pixel ratio in the picture is calculated；
4, the distance between face and screen are determined according to pixel ratio.
In the present embodiment, closer away from screen using user's face, user's face in the picture occupied area it is bigger this
One principle.User's face is being calculated in the picture after shared pixel ratio, according to preset picture in electronic equipment
Correspondence between plain ratio and distance, or according to the reduction formula between pixel ratio and distance, determine user's face
The distance between screen.
In addition, in the present embodiment, being not construed as limiting to algorithm used by recognition of face.For example, recognition of face is used
Algorithm include but not limited to the recognizer based on template matches, the recognizer based on singular value features, subspace analysis
Recognizer, the recognizer based on neural network, the recognizer based on characteristics of image or be based on model variable element
Recognizer, etc..
By analyzing position of the face in the image that each camera collects, it may be determined that the position of face
It sets.The position is used to reflect the relative position between user's face and screen.
In step 202, the longitudinal direction of visible area is calculated according to the distance between face and screen and the first proportionality coefficient
Length.
The longitudinal length h=L/ λ of visible area；Wherein, L indicates that the distance between face and screen, λ indicate the first ratio
Coefficient.First proportionality coefficient is according to the fit scale between the distance between face and screen and the longitudinal length of visible area
It is preset.For example, the value of λ can be between 3.5 to 5.The value of λ can be set by system default, also can be by user certainly
Definition setting.
In step 203, the transverse direction that visible area is calculated according to the longitudinal length of visible area and the second proportionality coefficient is long
Degree.
Lateral length a=h × μ of visible area；Wherein, h indicates that the longitudinal length of visible area, μ indicate the second ratio
Coefficient.Second proportionality coefficient is determined according to the original display size of visible area.Second proportionality coefficient refers to visible area
Original display size lateral length and longitudinal length ratio.For example, it is assumed that the second proportionality coefficient is 16/9, then visible area
The lateral length a=h in domain × (16/9).
In step 204, according to the adaptation display location of the location determination visible area of face.
In one possible implementation, electronic equipment prestores several alternative display locations, this several it is standby
It can be set by system default to select display location, can also be set by User Defined.Electronic equipment is according to the position of the face
One alternative display location of selection from N number of alternative display location is set, and the alternative display location that this is selected is determined as can
The adaptation display location of viewed area, N >=2 and N are integer.Optionally, above-mentioned N number of alternative display location includes middle position, occupies
In position on the upper side, position on the lower side placed in the middle, position to the left placed in the middle, position to the right placed in the middle, top-left position, upper-right position, lower left position
With at least two in bottom-right location.
In alternatively possible realization method, electronic equipment plane where screen according to the location determination face of face
View field, focus is chosen from the view field, according to the suitable of position of the focus in screen and visible area
The adaptation display location of visible area is determined with display size.Optionally, focus is the projection of face plane where screen
The center in region.Electronic equipment can detect whether focus meets preset condition；Wherein, preset condition includes：Focus
Small distance value between two transverse edges of screen is more than or equal to the half of the longitudinal length of the visible area after adjusting,
And the small distance value between focus and two longitudinal edges of screen is more than or equal to the transverse direction length of the visible area after adjusting
The half of degree.If focus meets above-mentioned preset condition, focus is determined as to the center of the visible area after adjusting；
Otherwise, by apart from focus recently and meet above-mentioned preset condition location determination be adjusting after visible area centre bit
It sets.
In step 205, control visible area is shown according to adaptation display size and adaptation display location in screen
Show.
Electronic equipment controls visible area and exists by the longitudinal length and lateral length and adaptation display location that are calculated
It is shown in screen.
For example, as shown in Figure 2 D, the relative position between user's face and screen is that user's face is in screen upper right
When orientation is set, determine that the adaptation display location of visible area 23 is upper-right position, electronic equipment control visible area 23 is shown in
The upper-right position of screen 20；For another example as shown in Figure 2 E, the relative position between user's face and screen is at user's face
When screen middle position, determine that the adaptation display location of visible area 23 is middle position, electronic equipment controls visible area
23 are shown in the middle position of screen 20.
In addition, in practical applications, maloperation in order to prevent, the function of above-mentioned automatic adjustment screen visible area can by with
Family opens and closes on demand.In the case where user opens the function of above-mentioned automatic adjustment screen visible area, electronic equipment is held
The above-mentioned flow of row is to automatically adjust adaptation display size and the position of visible area according to user distance and position；It is closed in user
In the case of the function of above-mentioned automatic adjustment screen visible area, the current size of electronic equipment holding visible area and position are not
Become.
Also need to explanation be a bit, when camera collects multiple user's faces, with the user nearest apart from screen
Face determines adaptation display size and the position of visible area as benchmark.Certainly, in other possible embodiments, may be used also
Eye in user's face is identified, ruler is shown with being adapted to for the determining visible area of the distance between screen according to eye
Very little, the adaptation display location of the location determination visible area according to eye is more accurately adjusted to realize.
In conclusion method provided in this embodiment, by camera obtain the distance between user's face and screen and
The position of face, adaptation display size and the position of visible area are determined according to the distance and face location, and control visible area
Domain is shown according to the adaptation display size and position in screen；Solving the relevant technologies needs user to adjust manually visually
The size in region, and lead to cumbersome and relatively low accommodation accuracy problem；On the one hand, it realizes automation and adjusts visible area
The adaptation display size in domain reduces the operation requirement to user, and helps to improve accommodation accuracy；On the other hand, it realizes
Automation adjusts the adaptation display location of visible area, has reached mitigation user eye rotation fatigue, has improved user and watch body
The technique effect tested.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.It is real for disclosure device
Undisclosed details in example is applied, embodiments of the present disclosure is please referred to.
Fig. 3 is a kind of block diagram of the device of adjusting screen visible area shown according to an exemplary embodiment.The device
It can be applied in such as electronic equipment of television set, computer, home audio-visual devices etc.The device may include：Obtain mould
Block 310, size determining module 320, position determination module 330 and control module 340.
Acquisition module 310 is configured as obtaining the distance between face and screen and people by least one camera
The position of face.
Size determining module 320 is configured as determining the visible area of screen according to distance that acquisition module 310 obtains
It is adapted to display size
Position determination module 330 is configured as the location determination visible area of the face obtained according to acquisition module 310
It is adapted to display location.
Control module 340, be configured as adaptation display size that control visible area is determined by the certain module 320 of size and
The adaptation display location that position determination module 330 determines is shown in screen.
In conclusion device provided in this embodiment, by camera obtain the distance between user's face and screen and
The position of face, adaptation display size and the position of visible area are determined according to the distance and face location, and control visible area
Domain is shown according to the adaptation display size and position in screen；Solving the relevant technologies needs user to adjust manually visually
The size in region, and lead to cumbersome and relatively low accommodation accuracy problem；On the one hand, it realizes automation and adjusts visible area
The adaptation display size in domain reduces the operation requirement to user, and helps to improve accommodation accuracy；On the other hand, it realizes
Automation adjusts the adaptation display location of visible area, has reached mitigation user eye rotation fatigue, has improved user and watch body
The technique effect tested.
Fig. 4 is a kind of block diagram of the device of the adjusting screen visible area shown according to another exemplary embodiment.The dress
It sets and can be applied in such as electronic equipment of television set, computer, home audio-visual devices etc.The device may include：It obtains
Module 410, size determining module 420, position determination module 430 and control module 440.
Acquisition module 410 is configured as obtaining the distance between face and screen and people by least one camera
The position of face.
Size determining module 420 is configured as determining the visible area of screen according to distance that acquisition module 410 obtains
It is adapted to display size.
Position determination module 430 is configured as the location determination visible area of the face obtained according to acquisition module 410
It is adapted to display location.
Control module 440 is configured as the adaptation display size that control visible area is determined according to size determining module 420
The adaptation display location determined with position determination module 430 is shown in screen.
Optionally, size determining module 420, including：First computational submodule 420a and the second computational submodule 420b.
First computational submodule 420a is configured as the distance obtained according to acquisition module 410 and the first proportionality coefficient meter
The longitudinal length of visible area is calculated, the first proportionality coefficient is according to the fit scale between distance and the longitudinal length of visible area
It is preset.
Second computational submodule 420b is configured as the longitudinal direction according to the visible areas calculated the first computational submodule 420a
Length and the second proportionality coefficient calculate the lateral length of visible area, and the second proportionality coefficient is the original display according to visible area
What size determined.
Acquisition module 410, including：Apart from acquisition submodule 410a and position acquisition submodule 410b.
Apart from acquisition submodule 410a, be configured as by least one camera obtain between face and screen away from
From.
Position acquisition submodule 410b is configured as obtaining the position of face by least one camera.
In a kind of possible embodiment, apart from acquisition submodule 410a, it is configured as using dual camera telemetry
Calculate the distance between face and screen.
In alternatively possible embodiment, apart from acquisition submodule 410a, it is configured as：Pass through at least one camera shooting
Head shooting includes the image of face；Face is identified from image；Calculate face shared pixel ratio in the picture；According to
Pixel ratio determines the distance between face and screen.
In a kind of possible embodiment, position determination module 430 is configured as：According to the position of face from N number of standby
One alternative display location of selection in display location is selected, and the alternative display location being selected is determined as to the adaptation of visible area
Display location, N >=2 and N are integer.
In alternatively possible embodiment, position determination module 430 is configured as：According to the location determination of face
The view field of face plane where screen, chooses focus from view field, according to position of the focus in screen
The adaptation display location of visible area is determined with the adaptation display size of visible area.
It should be noted is that the camera in the device can be set to the outer ledge of screen, can also integrate
In screen.
In conclusion device provided in this embodiment, by camera obtain the distance between user's face and screen and
The position of face, adaptation display size and the position of visible area are determined according to the distance and face location, and control visible area
Domain is shown according to the adaptation display size and position in screen；Solving the relevant technologies needs user to adjust manually visually
The size in region, and lead to cumbersome and relatively low accommodation accuracy problem；On the one hand, it realizes automation and adjusts visible area
The adaptation display size in domain reduces the operation requirement to user, and helps to improve accommodation accuracy；On the other hand, it realizes
Automation adjusts the adaptation display location of visible area, has reached mitigation user eye rotation fatigue, has improved user and watch body
The technique effect tested.
It should be noted is that the device that above-described embodiment provides is when realizing the function of adjusting screen visible area,
It, can be according to actual needs and by above-mentioned work(only with the division progress of above-mentioned each function module for example, in practical application
It can distribute and be completed by different function modules, i.e., the content structure of equipment is divided into different function modules, more than completion
The all or part of function of description.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
One exemplary embodiment of the disclosure additionally provides a kind of device of adjusting screen visible area, can realize the disclosure
The method for adjusting screen visible area of offer.The device of the adjusting screen visible area includes：Processor, and for storing
The memory of processor-executable instruction.
Wherein, processor is configured as：
The position of the distance between face and screen and face is obtained by least one camera；
The adaptation display size of the visible area of screen is determined according to the distance；
According to the adaptation display location of the location determination visible area of face；
Control visible area is shown according to adaptation display size and adaptation display location in screen.
Optionally, processor is configured as：
The longitudinal length of visible area is calculated according to the distance and the first proportionality coefficient, the first proportionality coefficient is according to distance
Fit scale between the longitudinal length of visible area is preset；
The lateral length of visible area, the second ratio system are calculated according to the longitudinal length of visible area and the second proportionality coefficient
Number is determined according to the original display size of visible area.
Optionally, processor is configured as：
The distance between face and screen are calculated using dual camera telemetry.
Optionally, processor is configured as：
Include the image of face by the shooting of at least one camera；
Face is identified from image；
Calculate face shared pixel ratio in the picture；
The distance between face and screen are determined according to pixel ratio.
Optionally, processor is configured as：
An alternative display location is chosen from N number of alternative display location according to the position of face, and standby by what is be selected
Display location is selected to be determined as the adaptation display location of visible area, N >=2 and N are integer；
Alternatively,
According to the view field of location determination face plane where screen of face, concern is chosen from view field
Point determines that the adaptation of visible area shows position according to the adaptation display size of position and visible area of the focus in screen
It sets.
Fig. 5 is a kind of block diagram of device shown according to an exemplary embodiment.For example, device 500 can be television set,
The electronic equipments such as computer, home audio-visual devices.
With reference to Fig. 5, device 500 may include following one or more components：Processing component 502, memory 504, power supply
Component 506, multimedia component 508, audio component 510, input/output (I/O) interface 512, sensor module 514, Yi Jitong
Believe component 516.
The integrated operation of 502 usual control device 500 of processing component, such as with display, data communication, camera operation and
Record operates associated operation.Processing component 502 may include one or more processors 518 to execute instruction, to complete
The all or part of step of above-mentioned method.In addition, processing component 502 may include one or more modules, it is convenient for processing group
Interaction between part 502 and other assemblies.For example, processing component 502 may include multi-media module, to facilitate multimedia component
Interaction between 508 and processing component 502.
Memory 504 is configured as storing various types of data to support the operation in device 500.These data are shown
Example includes the instruction for any application program or method that operate on device 500, message, picture, video etc..Memory
504 can be realized by any kind of volatibility or non-volatile memory device or combination thereof, such as static random-access
Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM),
Programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
Power supply module 506 provides electric power for the various assemblies of device 500.Power supply module 506 may include power management system
System, one or more power supplys and other generated with for device 500, management and the associated component of distribution electric power.
Multimedia component 508 is included in the screen of one output interface of offer between device 500 and user.In some realities
It applies in example, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen can
To be implemented as touch screen, to receive input signal from the user.Touch panel include one or more touch sensors with
Sense the gesture on touch, slide, and touch panel.Touch sensor can not only sense the boundary of a touch or slide action, and
And also detection and touch or the relevant duration and pressure of slide.In some embodiments, multimedia component 508 includes
One front camera and/or rear camera.It is preceding when such as screening-mode or video mode when device 500 is in operation mode
External multi-medium data can be received by setting camera and/or rear camera.Each front camera and rear camera can
Be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 510 is configured as output and/or input audio signal.For example, audio component 510 includes a Mike
Wind (MIC), when device 500 is in operation mode, when such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The received audio signal can be further stored in memory 504 or via communication set
Part 516 is sent.In some embodiments, audio component 510 further includes a loud speaker, is used for exports audio signal.
I/O interfaces 512 provide interface between processing component 502 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button, sound equipment etc..These buttons may include but be not limited to：Home button, volume button, start button
And locking press button.
Sensor module 514 includes one or more sensors, and the state for providing various aspects for device 500 is commented
Estimate.For example, sensor module 514 can detect the state that opens/closes of device 500, the relative positioning of component, such as component
For the display of device 500, sensor module 514 can with the position change of 500 1 components of detection device 500 or device,
The temperature change of the existence or non-existence that user contacts with device 500,500 orientation of device or acceleration/deceleration and device 500.It passes
Sensor component 514 may include proximity sensor, be configured to detect neighbouring object without any physical contact
In the presence of.Sensor module 514 can also include optical sensor, such as CMOS or ccd image sensor, for making in imaging applications
With.In some embodiments, which can also include acceleration transducer, gyro sensor, magnetic sensing
Device, pressure sensor or temperature sensor.
Communication component 516 is configured to facilitate the communication of wired or wireless way between device 500 and other equipment.Device
500 can access the wireless network based on communication standard, such as Wi-Fi, 2G or 3G or combination thereof.In an exemplary reality
It applies in example, communication component 516 receives broadcast singal or the related letter of broadcast from external broadcasting management system via broadcast channel
Breath.In one exemplary embodiment, communication component 516 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 500 can be believed by one or more application application-specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of
Such as include the memory 504 of instruction, above-metioned instruction can be executed by the processor 518 of device 500 to complete the above method.For example,
Non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and light
Data storage device etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of device 500
When device executes so that device 500 is able to carry out a kind of adjusting screen for being able to carry out and being provided such as above-mentioned Fig. 1 or Fig. 2A illustrated embodiments
The method of curtain visible area.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (12)
1. a kind of method adjusting screen visible area, which is characterized in that the method includes：
The position of the distance between face and screen and the face is obtained by least one camera；
The adaptation display size of the visible area of the screen is determined according to the distance；
According to the adaptation display location of visible area described in the location determination of the face；
The visible area is controlled to be shown in the screen according to the adaptation display size and the adaptation display location
Show,
The adaptation display location of visible area described in the location determination according to the face, including：
An alternative display location is chosen from N number of alternative display location according to the position of the face, and standby by what is be selected
Display location is selected to be determined as the adaptation display location of the visible area, N >=2 and N are integer.
2. according to the method described in claim 1, it is characterized in that, the visible area for determining the screen according to the distance
The adaptation display size in domain, including：
The longitudinal length of the visible area is calculated according to the distance and the first proportionality coefficient, first proportionality coefficient is root
It is preset according to the fit scale between the distance and the longitudinal length of the visible area；
Calculate the lateral length of the visible area according to the longitudinal length of the visible area and the second proportionality coefficient, described
Two proportionality coefficients are determined according to the original display size of the visible area.
3. according to the method described in claim 1, it is characterized in that, described obtain face and screen by least one camera
The distance between, including：
The distance between the face and the screen are calculated using dual camera telemetry.
4. according to the method described in claim 1, it is characterized in that, described obtain face and screen by least one camera
The distance between, including：
Include the image of the face by least one camera shooting；
The face is identified from described image；
Calculate face pixel ratio shared in described image；
The distance between the face and the screen are determined according to the pixel ratio.
5. according to the method described in claim 1, it is characterized in that, visible area described in the location determination according to the face
The adaptation display location in domain further includes：
According to face described in the location determination of the face plane where the screen view field, from the view field
Middle selection focus is determined according to the adaptation display size of position and the visible area of the focus in the screen
The adaptation display location of the visible area.
6. a kind of device adjusting screen visible area, which is characterized in that described device includes：
Acquisition module is configured as obtaining the distance between face and screen and the face by least one camera
Position；
Size determining module is configured as determining the adaptation display size of the visible area of the screen according to the distance；
Position determination module is configured as the adaptation display location of visible area described in the location determination according to the face；
Control module, is configured as controlling the visible area and exists according to the adaptation display size and the adaptation display location
It is shown in the screen,
The position determination module, is configured as：
An alternative display location is chosen from N number of alternative display location according to the position of the face, and standby by what is be selected
Display location is selected to be determined as the adaptation display location of the visible area, N >=2 and N are integer.
7. device according to claim 6, which is characterized in that the size determining module, including：First computational submodule
With the second computational submodule；
First computational submodule is configured as calculating the vertical of the visible area according to the distance and the first proportionality coefficient
To length, first proportionality coefficient is pre- according to the fit scale between the distance and the longitudinal length of the visible area
First set；
Second computational submodule is configured as calculating institute according to the longitudinal length of the visible area and the second proportionality coefficient
The lateral length of visible area is stated, second proportionality coefficient is determined according to the original display size of the visible area.
8. device according to claim 6, which is characterized in that the acquisition module, including：Apart from acquisition submodule；
It is described apart from acquisition submodule, be configured as calculating between the face and the screen using dual camera telemetry
Distance.
9. device according to claim 6, which is characterized in that the acquisition module, including：Apart from acquisition submodule；
It is described apart from acquisition submodule, be configured as：
Include the image of the face by least one camera shooting；
The face is identified from described image；
Calculate face pixel ratio shared in described image；
The distance between the face and the screen are determined according to the pixel ratio.
10. device according to claim 6, which is characterized in that the position determination module is additionally configured to：
According to face described in the location determination of the face plane where the screen view field, from the view field
Middle selection focus is determined according to the adaptation display size of position and the visible area of the focus in the screen
The adaptation display location of the visible area.
11. according to any device of claim 6 to 10, which is characterized in that the camera is set to the screen
Outer ledge；Alternatively, the camera is integrated in the screen.
12. a kind of device adjusting screen visible area, which is characterized in that described device includes：
Processor；
Memory for storing the processor-executable instruction；
Wherein, the processor is configured as：
The position of the distance between face and screen and the face is obtained by least one camera；
The adaptation display size of the visible area of the screen is determined according to the distance；
According to the adaptation display location of visible area described in the location determination of the face；
The visible area is controlled to be shown in the screen according to the adaptation display size and the adaptation display location
Show,
The adaptation display location of visible area described in the location determination according to the face, including：
An alternative display location is chosen from N number of alternative display location according to the position of the face, and standby by what is be selected
Display location is selected to be determined as the adaptation display location of the visible area, N >=2 and N are integer.
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| CN107454371B (en) * | 2016-05-30 | 2021-04-06 | 中兴通讯股份有限公司 | Method, device and system for adapting projection area |
| CN106210536A (en) * | 2016-08-04 | 2016-12-07 | 深圳众思科技有限公司 | A kind of screen luminance adjustment method, device and terminal |
| CN106792177A (en) * | 2016-12-28 | 2017-05-31 | 海尔优家智能科技（北京）有限公司 | A kind of TV control method and system |
| CN107393362A (en) * | 2017-09-21 | 2017-11-24 | 淄博职业学院 | A kind of computer application teaching and training system |
| CN108830164A (en) * | 2018-05-22 | 2018-11-16 | 北京小鱼在家科技有限公司 | Reminding method, device, computer equipment and the storage medium of screen viewed status |
| CN111258414B (en) * | 2018-11-30 | 2023-08-04 | 百度在线网络技术（北京）有限公司 | Method and device for adjusting screen |
| CN112988004A (en) * | 2019-12-17 | 2021-06-18 | 青岛海尔多媒体有限公司 | Method and device for adjusting size of display window and household appliance |
| CN111580646A (en) * | 2020-04-22 | 2020-08-25 | 深圳市瀚邦为电子材料有限公司 | Method, device and system for adjusting position of visual equipment according to face |
| CN112465910B (en) * | 2020-11-26 | 2021-12-28 | 成都新希望金融信息有限公司 | Target shooting distance obtaining method and device, storage medium and electronic equipment |
| CN114648942A (en) * | 2020-12-02 | 2022-06-21 | 深圳市奥拓电子股份有限公司 | LED display screen, local brightness adjusting method thereof and LED display controller |
| WO2022226983A1 (en) * | 2021-04-30 | 2022-11-03 | 华为技术有限公司 | Display screen adjusting method and apparatus |
| CN115209193B (en) * | 2022-07-15 | 2024-03-12 | 海宁奕斯伟集成电路设计有限公司 | Display processing equipment and method and display system |
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