CN106782432A - The method of adjustment and device of display screen acutance - Google Patents
The method of adjustment and device of display screen acutance Download PDFInfo
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- CN106782432A CN106782432A CN201611202158.2A CN201611202158A CN106782432A CN 106782432 A CN106782432 A CN 106782432A CN 201611202158 A CN201611202158 A CN 201611202158A CN 106782432 A CN106782432 A CN 106782432A
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- acutance
- user
- display screen
- vertical range
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/37—Details of the operation on graphic patterns
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
Abstract
The invention discloses a kind of method of adjustment of display screen acutance, the method for adjustment is comprised the following steps：The positional information of user in the range of default acquisition is obtained by sensor；The vertical range of plane according to where the positional information obtains user with display screen；Set according to the acutance that the vertical range and default regulation rule adjust the display screen.The invention also discloses a kind of adjusting apparatus of display screen acutance.The present invention obtains the positional information of user using sensor, and dynamically the acutance setting of display screen is adjusted with the distance of display screen according to user, easy to operate to improve image quality.
Description
Technical field
The present invention relates to image processing field, more particularly to a kind of display screen acutance method of adjustment and device.
Background technology
With the popularization of large scale display screen, image quality is clearly the problem that present user increasingly pays close attention to.Under conventional arrangement,
The size and resolution ratio of display screen determine the viewing ratio of display screen；And due to the visual characteristic of human eye, user is not
Same viewing angle viewing display screen can also obtain different viewing experiences, and the viewing visual angle is also relevant with viewing distance.But receive
The limitation of use environment, user often really cannot experience the optimal picture that the display screen can be provided positioned at viewing ratio
Matter.In the case where same definition is set, when the hypotelorism of user and display screen, user may feel that the picture that display screen shows
Look unfamiliar hard, it is unnatural；And when the hypertelorism of user and display screen, user can feel the fuzzy pictures that display screen shows, no
It is enough clear.Existing display screen is provided with the function of manually adjusting display parameters, but due to the display parameters species of display screen
More, including brightness, contrast, acutance etc., user needs to take a long time could adjust out a suitable display setting,
And be required for manually adjusting display setting again when user is in different viewing distance viewing display screens every time, this adjustment side
Method not enough facilitates, and is unfavorable for that user enjoys optimal image quality.
The content of the invention
Method of adjustment and device it is a primary object of the present invention to propose a kind of display screen acutance, it is intended to realize according to
The acutance of the viewing distance adjust automatically display screen at family is adjusted with improving image quality without the user effort long period, convenient
User enjoys the optimal image quality of display screen.
To achieve the above object, the present invention provides a kind of method of adjustment of display screen acutance, the method for adjustment include with
Lower step：
The positional information of user in the range of default acquisition is obtained by sensor；
The vertical range of plane according to where the positional information obtains user with display screen；
Set according to the acutance that the vertical range and default regulation rule adjust the display screen.
Preferably, it is described to be wrapped the step of the vertical range of plane according to where the positional information obtains user with display screen
Include：
The quantity of user in the range of default acquisition is determined according to the positional information；
If it is determined that the quantity of user is more than two in the range of default acquisition, then the positional information respectively according to each user is obtained
Take the vertical range of each user and plane where the display screen；
Determine a vertical range according to each vertical range and default determination rule to be set to adjust the acutance of the display screen.
Preferably, it is described to determine a vertical range to adjust the display screen according to each vertical range and default determination rule
Acutance include the step of set：
Minimum perpendicular distance in each vertical range is defined as the vertical range of user and plane where the display screen
Set with the acutance for adjusting the display screen；
Or, it is described to adjust with the vertical range of plane where display screen that the average value of each vertical range is defined as into user
The acutance of display screen is set.
Preferably, the step of acutance for adjusting the display screen according to vertical range and default regulation rule is set it
Afterwards, also include：
The acutance modification instruction of user's triggering is received, and is set according to the acutance that the sharpness parameter adjusts the display screen
Put.
Preferably, it is described to receive the acutance modification instruction of user's triggering, and the display is adjusted according to the sharpness parameter
After the step of acutance of screen is set, also include：
The preservation instruction triggered according to user preserves current acutance, and is set according to the corresponding vertical range of acutance is preserved
Matching condition；
When the vertical range of plane where according to user with the display screen is determined and meets the matching condition, according to
The preservation acutance adjustment acutance is set.
Additionally, to achieve the above object, the present invention also provides a kind of adjusting apparatus of display screen acutance, the adjusting apparatus
Including：
Position acquisition module, the positional information for obtaining user in the range of default acquisition by sensor；
Apart from acquisition module, the vertical range of plane where for obtaining user with display screen according to the positional information；
First adjusting module, the acutance for adjusting the display screen according to the vertical range and default regulation rule sets
Put.
Preferably, it is described to include apart from acquisition module：
Quantity determining unit, the quantity for determining user in the range of default acquisition according to the positional information；
Distance acquiring unit, for if it is determined that it is default obtain in the range of the quantity of user be more than two, then basis respectively
The vertical range of plane where each user of position acquisition of each user and the display screen；
Distance determining unit, for according to each vertical range and default determining that rule determines a vertical range with described in adjusting
The acutance of display screen is set.
Preferably, the distance determining unit includes：
First determination subelement, for the minimum perpendicular distance in each vertical range to be defined as into user with the display screen
The vertical range of place plane is set with adjusting the acutance of the display screen；
Or, the second determination subelement, for the average value of each vertical range to be defined as into user with plane where display screen
Vertical range with adjust the display screen acutance set.
Preferably, the adjusting apparatus also include：
Second adjusting module, the acutance for receiving user's triggering changes instruction, and is adjusted according to acutance modification instruction
The acutance of the whole display screen is set.
Preferably, the adjusting apparatus also include：
Preserving module is set, and the preservation instruction for being triggered according to user preserves current acutance, and according to preservation acutance
Corresponding vertical range sets matching condition；
3rd adjusting module, the vertical range for the plane where according to user with the display screen is determined and meets institute
When stating matching condition, set according to the preservation acutance adjustment acutance.
The present invention obtains the positional information of user in the range of default acquisition by sensor；Obtained according to the positional information
The vertical range of plane where user and display screen；The display screen is adjusted according to the vertical range and default regulation rule
Acutance is set.By the way that with upper type, the present invention is identified and found range using sensor to the user before display screen, and according to sight
See that being shown apart from adjust automatically with display screen for user is set, more closed for user adjusts out under the conditions of different viewing distances
Suitable display is set, and the cumbersome operation that manually adjusts is carried out without user, simple and convenient.Due to the visual characteristic of human eye, when with
It is more sensitive to picture detail when the viewing distance at family is nearer；When the viewing distance of user is more remote, the identification to contour of object is quicker
Sense；And acutance is an index for reflecting plane of delineation definition and the sharp keen degree in image border, in the case of compared with high sharpness,
Lines or the junction of black white image mutation, its edge is sharper keen, overall picture seem become apparent from, more have levels sense, if but
Acutance is adjusted too high, and image can become distortion and dazzling.Therefore the present invention is automatic sharp to display screen according to user's viewing distance
Degree is adjusted, when user and display screen it is distant when, the acutance of display screen is improved to improve the right of display image edge
Than degree, make image border sharper keen, on the premise of whole picture is not influenceed largely, overall picture seems clearer；When
User and display screen it is closer to the distance when, reduce the acutance of display screen, make that the transition of image border is smoother, picture is finer and smoother
And it is excessively not stiff, meet the visual effect of human eye, adjustment process is simple, facilitates user in different distance experience display screen institute
The optimal image quality that can be provided.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method for adjustment first embodiment of display screen acutance of the present invention；
If Fig. 2 is to get the positional information by sensor described in Fig. 1, user is obtained according to the positional information
With the refinement schematic flow sheet of the vertical range of plane where display screen；
Fig. 3 is the schematic flow sheet of the method for adjustment second embodiment of display screen acutance of the present invention；
Fig. 4 is the schematic flow sheet of the method for adjustment 3rd embodiment of display screen acutance of the present invention；
Fig. 5 is the high-level schematic functional block diagram of the adjusting apparatus first embodiment of display screen acutance of the present invention；
Fig. 6 is the refinement high-level schematic functional block diagram apart from acquisition module described in Fig. 5；
Fig. 7 is the high-level schematic functional block diagram of the adjusting apparatus second embodiment of display screen acutance of the present invention；
Fig. 8 is the high-level schematic functional block diagram of the adjusting apparatus 3rd embodiment of display screen acutance of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, Fig. 1 is the schematic flow sheet of the method for adjustment first embodiment of display screen acutance of the present invention.
In the present embodiment, the method for adjustment is comprised the following steps：
Step S10, the positional information of user in the range of default acquisition is obtained by sensor；
The method of adjustment of display screen acutance of the present invention can be applied to the display screen of TV, in computer screen, movement
Display screen of terminal etc..The sensor that acquisition positional information is used can be the light sensor for converting optical signal into electric signal
Device, such as camera, RF transmitter and receiver etc., can also be and for acoustical signal to be converted into electric signal dependent sensor, example
Such as ultrasonic transmitter and receiver, Voice location device.User can according to actually used situation select suitable sensor with
Enter the acquisition of row positional information.In the present embodiment, the method for adjustment is applied to the display screen of TV, and TV body is provided with two
Individual camera, two cameras can be shot simultaneously, reduce the cost of time, improve the efficiency of positional information acquisition.
If certain TV body is not provided with camera, it is also possible to obtain position by wired or wireless mode external camera
Information.Other camera only can also set one or set the camera of more than three.When only there is provided a camera
When, cost is advantageously reduced, but the camera at least needs to be shot respectively two different positions or towards different directions
Once, the positional information acquisition of next step is carried out to obtain two different images.Further, when only there is provided one is taken the photograph
During as head, a guide rail can be set, camera can be moved on the guideway, after shooting once, a segment distance is moved along guide rail
Once shot again afterwards, you can obtain two different images；Camera can also be set to rotatable, work as shooting
After once, camera is once shot again after rotating an angle, you can obtain two different images.It is noticeable
It is that during shooting twice, the location of user is identical, and user is all located at camera in front and rear shooting twice
Default acquisition in the range of, otherwise will be unable to accurately obtain the positional information of user.User can select according to actually used situation
Suitable camera quantity.
In the present embodiment, TV body is provided with two cameras, and two cameras are shot simultaneously, pre- to obtain
If the image of user in the range of obtaining, and the parallax according to user certain characteristic point in dual camera, determine this feature point
Position, so as to obtain the positional information of user.Specifically, two cameras are shot simultaneously, the two of synchronization will be obtained
Width presets the different images in the range of obtaining；When image is obtained, system will carry out Face datection determination to two images respectively
Whether user is in the range of the default acquisition of camera.If detecting face, can determine that user is in the default of camera
In the range of acquisition, then relative position of the user in two width different images is can determine that, and taken the photograph in two cameras according to user
Image space difference in image, the position relationship of two cameras and two parameters of camera, with geometry and optics
Relevant formula, obtain the positional information of user.
Step S20, the vertical range of plane according to where the positional information obtains user with display screen；
In the present embodiment, when the positional information of user is got by camera according to step S10, then according to gained
To positional information obtain the vertical range of plane where user and display screen, i.e. user now watches the distance of TV, is used to
As the parameter setting according to adjustment tv display screen.
Step S30, is set according to the acutance that the vertical range and default regulation rule adjust the display screen.
Default regulation rule can adjust the sharp of the display screen with the relation of default optimum distance according to vertical range
Degree is set, and specific formula is：Acutance=parameter preset × preset optimal acutance × vertical range/default optimum distance.Specifically,
The timing really of the size and resolution ratio of TV, there will be a default optimum distance and presets optimal acutance, pre- with this in user
If optimum distance watches TV, and when being now configured to the sharpness parameter of the TV with the default optimal acutance, user will
Experience the highest image quality that the TV can be provided；And when user is with another distance viewing TV, if still desiring to experience
To the highest image quality that the TV can be provided, then need to adjust the sharpness parameter of TV by above-mentioned formula.Default regulation rule
Some segment distance scopes can also be set in the range of default acquisition, an acutance plan of establishment is all corresponded to per segment distance, obtain
When getting the vertical range of plane where user and display screen, according to the distance range that the vertical range is located at, obtain one it is right
The acutance plan of establishment answered, and set with the acutance of this project setting display screen.Certainly default regulation rule can also be other
Content.
In the present embodiment, default regulation rule is described aobvious with the relation adjustment of default optimum distance according to vertical range
The acutance of display screen is set, and specific formula is：Optimal acutance × the vertical range of acutance=parameter preset × preset/default optimal away from
From.Vertical range obtained by step S20, the default optimum distance of TV, default optimal acutance and parameter preset are inserted in the public affairs
A sharpness value is calculated after formula, and is set according to the acutance that the acutance adjusts display screen, so as to improve the image quality of image.
The present embodiment obtains the positional information of user in the range of default acquisition by sensor；Obtained according to the positional information
Take the vertical range at family and plane where display screen；The display screen is adjusted according to the vertical range and default regulation rule
Acutance set.By the way that with upper type, the present invention is identified and found range using sensor to the user before display screen, and according to
Being shown apart from adjust automatically with display screen for viewing user is set, for user adjusts out more under the conditions of different viewing distances
Suitable display is set, and the cumbersome operation that manually adjusts is carried out without user, simple and convenient.Due to the visual characteristic of human eye, when
It is more sensitive to picture detail when the viewing distance of user is nearer；When the viewing distance of user is more remote, the identification to contour of object is got over
It is sensitive；And acutance is an index for reflecting plane of delineation definition and the sharp keen degree in image border, in the situation compared with high sharpness
Under, the junction of lines or black white image mutation, its edge is sharper keen, overall picture seem become apparent from, more have levels sense, but
If acutance is adjusted too high, image can become distortion and dazzling.Therefore the present invention is automatic to display screen according to user's viewing distance
Acutance is adjusted, when user and display screen it is distant when, the acutance of display screen is improved to improve display image edge
Contrast, makes image border sharper keen, and on the premise of whole picture is not influenceed largely, overall picture seems clearer；
When user and display screen it is closer to the distance when, reduce the acutance of display screen, make the transition of image border smoother, picture more refinement
It is greasy and excessively not stiff, meet the visual effect of human eye, adjustment process is simple, facilitates user to experience display screen in different distance
The optimal image quality that can be provided.
Reference picture 2, Fig. 2 is vertical with display screen place plane according to positional information acquisition user described in Fig. 1
The refinement schematic flow sheet of distance.
Based on the embodiment shown in above-mentioned Fig. 1, step S20 includes：
Step S21, the quantity of user in the range of default acquisition is determined according to the positional information；
In the present embodiment, if detecting face by camera, can determine that user is in the default acquisition model of camera
In enclosing, and determine relative position of the user in two width different images.According to user in two cameras take the photograph image into
Image position difference, the position relationship of two cameras and two parameters of camera, with geometry and optical relevant formula,
Obtain the positional information of user.After the positional information is got, user in the range of default acquisition is determined according to the positional information
Quantity, that is, determine now how many user viewing TV.
Step S22, however, it is determined that the quantity of user is more than two in the range of default acquisition, then respectively according to the position of each user
Put the vertical range of each user of acquisition of information and plane where the display screen；
In the present embodiment, if determining the user for having more than two in the range of default acquisition according to positional information, i.e., now
The user for having more than 2 is watching TV, then the positional information respectively according to each user determines that each user shows with TV
The vertical range of plane where screen.
Step S23, determines a vertical range to adjust the display screen according to each vertical range and default determination rule
Acutance is set.
In the present embodiment, after the completion of the corresponding vertical range of each user is calculated, determine that rule is hung down each according to default
A main vertical range is determined in straight distance, as current all users viewing distance now, with according to this vertical range
The acutance for adjusting display screen is set.
Specifically, determining that rule determines a vertical range to adjust the display screen in each vertical range according to default
The step of acutance is set includes：
Minimum perpendicular distance in each vertical range is defined as the vertical range of user and plane where the display screen
Set with the acutance for adjusting the display screen；
When each vertical range calculates completion, the size of relatively more each vertical range selects minimum hanging down in each vertical range
Straight distance, main vertical range is defined as by minimum perpendicular distance, as current all users viewing distance now, and with root
The acutance of minimum perpendicular distance adjustment display screen is set accordingly.
Or, it is described to adjust with the vertical range of plane where display screen that the average value of each vertical range is defined as into user
The acutance of display screen is set.
When each vertical range calculates completion, the average value of each vertical range can also be calculated, average vertical distance is true
It is set to main vertical range, as current all users viewing distance now, and with aobvious according to the adjustment of this average vertical distance
The acutance of display screen is set.
In the present embodiment, when the user for having more than two watches TV, user can preset according to actual practicality situation
Suitable default determination rule is conducive to the optimal image quality of Consumer's Experience to determine vertical range.
Reference picture 3, Fig. 3 is the schematic flow sheet of the method for adjustment second embodiment of display screen acutance of the present invention.
Based on the embodiment shown in above-mentioned Fig. 1, also include after step S30：
Step S40, receives the acutance modification instruction of user's triggering, and according to the acutance modification instruction adjustment display
The acutance of screen is set.
The acutance modification instruction, can be user press on a remote control acutance modification button after generation, or
What the acutance modification phonetic order sent according to user was generated, can also be what is generated otherwise.In the present embodiment,
After TV is automatically performed acutance setting, user thinks that the acutance is set and meet viewing needs, presses acutance in remote control and repaiies
Change button, system generates acutance modification instruction according to the operation of user, and letter is shown on screen according to acutance modification instruction
Cease and set with changing the sharpness parameter of tv display screen with pointing out one sharpness parameter of user input；User can be by remote control
One sharpness parameter of input, can also carry out sharpness parameter input by voice.When user completes to be input into, system receives user
The sharpness parameter information of input, and instruction modification is changed by the acutance setting of tv display screen by user input according to the acutance
Sharpness parameter information is modified.
In the present embodiment, in addition to the mode of adjust automatically acutance, the mode of manual modification acutance is also provided the user,
Meet the different viewing demand of user, be conducive to the optimal image quality of Consumer's Experience.
Reference picture 4, Fig. 4 is the schematic flow sheet of the method for adjustment 3rd embodiment of display screen acutance of the present invention.
Based on the embodiment shown in above-mentioned Fig. 3, also include after step S40：
Step S50, the preservation instruction triggered according to user preserves current acutance, and corresponding vertical according to acutance is preserved
Distance sets matching condition；
In the present embodiment, complete after acutance sets, setting to be pressed on a remote control and preserves button, system then basis in user
The operation generation of user sets and preserves instruction, and now will be provided as one kind by sharpness parameter according to setting preservation instruction preservation
The plan of establishment is preserved；Certain user can also be triggered setting by way of voice and preserve instruction to preserve the plan of establishment.
When the plan of establishment preserves completion, the vertical range according to corresponding to preserving acutance sets matching condition.Watched next time in user
During TV, if the vertical range for detecting plane where user and tv display screen meets matching condition, it will according to preservation
The plan of establishment adjustment acutance set.Specifically, when user watches TV, if detecting the viewing distance of user and preserving sharp
Spend corresponding vertical range equal, that is, when meeting matching condition.Certainly can also be the institute of the vertical range corresponding to preservation acutance
Certain interval as matching condition, if the viewing distance for detecting user falls when this is interval, meet matching condition.
Step S60, the vertical range of plane where according to user with the display screen is determined to meet and described matches bar
During part, set according to the preservation acutance adjustment acutance.
In the present embodiment, when user watches TV again, system obtains the positional information of user yet by camera, and
The vertical range of user and the display screen is obtained according to positional information.When the vertical range is got, system is vertical by this
Distance is compared with the vertical range in matching condition, when both are equal, it will read the plan of establishment preserved in internal memory,
And the sharpness parameter of display screen is adjusted according to the plan of establishment for preserving.Further, according to the plan of establishment for preserving
Before being adjusted the sharpness parameter of display screen, display information is asked the user whether to be set according to the plan of establishment for preserving
Put.If user's selection is configured according to the plan of establishment for preserving；If user's selection is no, again according to current sight
See that distance and default regulation rule adjust the acutance setting of the display screen.Additionally, making except system reads according to matching condition
With outside the plan of establishment for preserving, the plan of establishment that user can also actively transfer preservation carries out the adjustment of acutance setting.
In the present embodiment, the acutance plan of establishment can be preserved, is used using matching for next time, be facilitated user to sharp
Degree is quickly adjusted, and is conducive to the optimal image quality of Consumer's Experience.
The present invention also provides a kind of adjusting apparatus of display screen acutance.
Reference picture 5, Fig. 5 is the high-level schematic functional block diagram of the adjusting apparatus first embodiment of display screen acutance of the present invention.
In the present embodiment, the adjusting apparatus include：
Position acquisition module 10, the positional information for obtaining user in the range of default acquisition by sensor；
The adjusting apparatus of display screen acutance of the present invention can be applied to the display screen of TV, in computer screen, movement
Display screen of terminal etc..The sensor that acquisition positional information is used can be the light sensor for converting optical signal into electric signal
Device, such as camera, RF transmitter and receiver etc., can also be and for acoustical signal to be converted into electric signal dependent sensor, example
Such as ultrasonic transmitter and receiver, Voice location device.User can according to actually used situation select suitable sensor with
Enter the acquisition of row positional information.In the present embodiment, the method for adjustment is applied to the display screen of TV, and TV body is provided with two
Individual camera, two cameras can be shot simultaneously, reduce the cost of time, improve the efficiency of positional information acquisition.
If certain TV body is not provided with camera, it is also possible to obtain position by wired or wireless mode external camera
Information.Other camera only can also set one or set the camera of more than three.When only there is provided a camera
When, cost is advantageously reduced, but the camera at least needs to be shot respectively two different positions or towards different directions
Once, the positional information acquisition of next step is carried out to obtain two different images.Further, when only there is provided one is taken the photograph
During as head, a guide rail can be set, camera can be moved on the guideway, after shooting once, a segment distance is moved along guide rail
Once shot again afterwards, you can obtain two different images；Camera can also be set to rotatable, work as shooting
After once, camera is once shot again after rotating an angle, you can obtain two different images.It is noticeable
It is that during shooting twice, the location of user is identical, and user is all located at camera in front and rear shooting twice
Default acquisition in the range of, otherwise will be unable to accurately obtain the positional information of user.User can select according to actually used situation
Suitable camera quantity.
In the present embodiment, TV body is provided with two cameras, and two cameras are shot simultaneously, pre- to obtain
If the image of user in the range of obtaining, and the parallax according to user certain characteristic point in dual camera, determine this feature point
Position, so as to obtain the positional information of user.Specifically, two cameras are shot simultaneously, the two of synchronization will be obtained
Width presets the different images in the range of obtaining；When image is obtained, system will carry out Face datection determination to two images respectively
Whether user is in the range of the default acquisition of camera.If detecting face, can determine that user is in the default of camera
In the range of acquisition, then relative position of the user in two width different images is can determine that, and taken the photograph in two cameras according to user
Image space difference in image, the position relationship of two cameras and two parameters of camera, with geometry and optics
Relevant formula, obtain the positional information of user.
Apart from acquisition module 20, for obtained according to the positional information user it is vertical with display screen place plane away from
From；
In the present embodiment, when the positional information of user is got by camera according to module 10, then according to the position
Confidence breath obtains the vertical range of plane where user and display screen, i.e. user now watches the distance of TV, with as according to
According to the parameter setting of adjustment tv display screen.
First adjusting module 30, the acutance for adjusting the display screen according to the vertical range and default regulation rule
Set.
Default regulation rule can adjust the sharp of the display screen with the relation of default optimum distance according to vertical range
Degree is set, and specific formula is：Acutance=parameter preset × preset optimal acutance × vertical range/default optimum distance.Specifically,
The timing really of the size and resolution ratio of TV, there will be a default optimum distance and presets optimal acutance, pre- with this in user
If optimum distance watches TV, and when being now configured to the sharpness parameter of the TV with the default optimal acutance, user will
Experience the highest image quality that the TV can be provided；And when user is with another distance viewing TV, if still desiring to experience
To the highest image quality that the TV can be provided, then need to adjust the sharpness parameter of TV by above-mentioned formula.Default regulation rule
Some segment distance scopes can also be set in the range of default acquisition, an acutance plan of establishment is all corresponded to per segment distance, obtain
When getting the vertical range of plane where user and display screen, according to the distance range that the vertical range is located at, obtain one it is right
The acutance plan of establishment answered, and set with the acutance of this project setting display screen.Certainly default regulation rule can also be other
Content.
In the present embodiment, default regulation rule is described aobvious with the relation adjustment of default optimum distance according to vertical range
The acutance of display screen is set, and specific formula is：Optimal acutance × the vertical range of acutance=parameter preset × preset/default optimal away from
From.The vertical range of the gained of module 20, the default optimum distance of TV, default optimal acutance and parameter preset are inserted in the formula
After be calculated a sharpness value, and set according to the acutance that the acutance adjusts display screen, so as to improve the image quality of image.
The present embodiment obtains the positional information of user in the range of default acquisition by sensor；Obtained according to the positional information
Take the vertical range at family and plane where display screen；The display screen is adjusted according to the vertical range and default regulation rule
Acutance set.By the way that with upper type, the present invention is identified and found range using sensor to the user before display screen, and according to
Being shown apart from adjust automatically with display screen for viewing user is set, for user adjusts out more under the conditions of different viewing distances
Suitable display is set, and the cumbersome operation that manually adjusts is carried out without user, simple and convenient.Due to the visual characteristic of human eye, when
It is more sensitive to picture detail when the viewing distance of user is nearer；When the viewing distance of user is more remote, the identification to contour of object is got over
It is sensitive；And acutance is an index for reflecting plane of delineation definition and the sharp keen degree in image border, in the situation compared with high sharpness
Under, the junction of lines or black white image mutation, its edge is sharper keen, overall picture seem become apparent from, more have levels sense, but
If acutance is adjusted too high, image can become distortion and dazzling.Therefore the present invention is automatic to display screen according to user's viewing distance
Acutance is adjusted, when user and display screen it is distant when, the acutance of display screen is improved to improve display image edge
Contrast, makes image border sharper keen, and on the premise of whole picture is not influenceed largely, overall picture seems clearer；
When user and display screen it is closer to the distance when, reduce the acutance of display screen, make the transition of image border smoother, picture more refinement
It is greasy and excessively not stiff, meet the visual effect of human eye, adjustment process is simple, facilitates user to experience display screen in different distance
The optimal image quality that can be provided.
Reference picture 6, Fig. 6 is the refinement high-level schematic functional block diagram apart from acquisition module described in Fig. 5.
It is described to include apart from acquisition module based on the embodiment shown in above-mentioned Fig. 5：
Quantity determining unit 21, the quantity for determining user in the range of default acquisition according to the positional information；
In the present embodiment, if detecting face by camera, can determine that user is in the default acquisition model of camera
In enclosing, and determine relative position of the user in two width different images.According to user in two cameras take the photograph image into
Image position difference, the position relationship of two cameras and two parameters of camera, with geometry and optical relevant formula,
Obtain the positional information of user.After the positional information is got, user in the range of default acquisition is determined according to the positional information
Quantity, that is, determine now how many user viewing TV.
Distance acquiring unit 22, for if it is determined that it is default obtain in the range of the quantity of user be more than two, then root respectively
According to the vertical range of plane where each user of the position acquisition of each user and the display screen；
In the present embodiment, if determining the user for having more than two in the range of default acquisition according to positional information, i.e., now
The user for having more than 2 is watching TV, then the positional information respectively according to each user determines that each user shows with TV
The vertical range of plane where screen.
Distance determining unit 23, for determining a vertical range to adjust according to each vertical range and default determination rule
The acutance for stating display screen is set.
In the present embodiment, after the completion of the corresponding vertical range of each user is calculated, determine that rule is hung down each according to default
A main vertical range is determined in straight distance, as current all users viewing distance now, with according to this vertical range
The acutance for adjusting display screen is set.
Specifically, distance determining unit 23 includes：
First determination subelement, for the minimum perpendicular distance in each vertical range to be defined as into user with the display screen
The vertical range of place plane is set with adjusting the acutance of the display screen；
When each vertical range calculates completion, the size of relatively more each vertical range selects minimum hanging down in each vertical range
Straight distance, main vertical range is defined as by minimum perpendicular distance, as current all users viewing distance now, and with root
The acutance of minimum perpendicular distance adjustment display screen is set accordingly.
Or, the second determination subelement, for the average value of each vertical range to be defined as into user with plane where display screen
Vertical range with adjust the display screen acutance set.
When each vertical range calculates completion, the average value of each vertical range can also be calculated, average vertical distance is true
It is set to main vertical range, as current all users viewing distance now, and with aobvious according to the adjustment of this average vertical distance
The acutance of display screen is set.
In the present embodiment, when the user for having more than two watches TV, user can preset according to actual practicality situation
Suitable default determination rule is conducive to the optimal image quality of Consumer's Experience to determine vertical range.
Reference picture 7, Fig. 7 is the high-level schematic functional block diagram of the adjusting apparatus second embodiment of display screen acutance of the present invention.
Based on the embodiment shown in above-mentioned Fig. 5, the adjusting apparatus also include：
Second adjusting module 40, the acutance for receiving user's triggering changes instruction, and changes instruction according to the acutance
The acutance for adjusting the display screen is set.
The acutance modification instruction, can be user press on a remote control acutance modification button after generation, or
What the acutance modification phonetic order sent according to user was generated, can also be what is generated otherwise.In the present embodiment,
After TV is automatically performed acutance setting, user thinks that the acutance is set and meet viewing needs, presses acutance in remote control and repaiies
Change button, system generates acutance modification instruction according to the operation of user, and letter is shown on screen according to acutance modification instruction
Cease and set with changing the sharpness parameter of tv display screen with pointing out one sharpness parameter of user input；User can be by remote control
One sharpness parameter of input, can also carry out sharpness parameter input by voice.When user completes to be input into, system receives user
The sharpness parameter information of input, and instruction modification is changed by the acutance setting of tv display screen by user input according to the acutance
Sharpness parameter information is modified.
In the present embodiment, in addition to the mode of adjust automatically acutance, the mode of manual modification acutance is also provided the user,
Meet the different viewing demand of user, be conducive to the optimal image quality of Consumer's Experience.
Reference picture 8, Fig. 8 is the high-level schematic functional block diagram of the adjusting apparatus 3rd embodiment of display screen acutance of the present invention.
Based on the embodiment shown in above-mentioned Fig. 7, the adjusting apparatus also include：
Preserving module 50 is set, and the preservation instruction for being triggered according to user preserves current acutance, and sharp according to preserving
Spend corresponding vertical range and matching condition is set；
In the present embodiment, complete after acutance sets, setting to be pressed on a remote control and preserves button, system then basis in user
The operation generation of user sets and preserves instruction, and now will be provided as one kind by sharpness parameter according to setting preservation instruction preservation
The plan of establishment is preserved；Certain user can also be triggered setting by way of voice and preserve instruction to preserve the plan of establishment.
When the plan of establishment preserves completion, the vertical range according to corresponding to preserving acutance sets matching condition.Watched next time in user
During TV, if the vertical range for detecting plane where user and tv display screen meets matching condition, it will according to preservation
The plan of establishment adjustment acutance set.Specifically, when user watches TV, if detecting the viewing distance of user and preserving sharp
Spend corresponding vertical range equal, that is, when meeting matching condition.Certainly can also be the institute of the vertical range corresponding to preservation acutance
Certain interval as matching condition, if the viewing distance for detecting user falls when this is interval, meet matching condition.
3rd adjusting module 60, the vertical range for the plane where according to user with the display screen determines satisfaction
During the matching condition, set according to the preservation acutance adjustment acutance.
In the present embodiment, when user watches TV again, system obtains the positional information of user yet by camera, and
The vertical range of user and the display screen is obtained according to positional information.When the vertical range is got, system is vertical by this
Distance is compared with the vertical range in matching condition, when both are equal, it will read the plan of establishment preserved in internal memory,
And the sharpness parameter of display screen is adjusted according to the plan of establishment for preserving.Further, according to the plan of establishment for preserving
Before being adjusted the sharpness parameter of display screen, display information is asked the user whether to be set according to the plan of establishment for preserving
Put.If user's selection is configured according to the plan of establishment for preserving；If user's selection is no, again according to current sight
See that distance and default regulation rule adjust the acutance setting of the display screen.Additionally, making except system reads according to matching condition
With outside the plan of establishment for preserving, the plan of establishment that user can also actively transfer preservation carries out the adjustment of acutance setting.
In the present embodiment, the acutance plan of establishment can be preserved, is used using matching for next time, be facilitated user to sharp
Degree is quickly adjusted, and is conducive to the optimal image quality of Consumer's Experience.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of method of adjustment of display screen acutance, it is characterised in that the method for adjustment is comprised the following steps：
The positional information of user in the range of default acquisition is obtained by sensor；
The vertical range of plane according to where the positional information obtains user with display screen；
Set according to the acutance that the vertical range and default regulation rule adjust the display screen.
2. method of adjustment as claimed in claim 1, it is characterised in that described that user is obtained with display according to the positional information
Include the step of the vertical range of plane where screen：
The quantity of user in the range of default acquisition is determined according to the positional information；
If it is determined that the quantity of user is more than two in the range of default acquisition, then positional information respectively according to each user obtains each
The vertical range of plane where user and the display screen；
Determine a vertical range according to each vertical range and default determination rule to be set to adjust the acutance of the display screen.
3. method of adjustment as claimed in claim 2, it is characterised in that described according to each vertical range and default to determine rule really
A fixed vertical range is included with adjusting the step of the acutance of the display screen is set：
Minimum perpendicular distance in each vertical range is defined as user with the vertical range of plane where the display screen to adjust
The acutance of the whole display screen is set；
Or, the average value of each vertical range is defined as into user with the vertical range of plane where display screen to adjust the display
The acutance of screen is set.
4. method of adjustment as claimed in claim 1, it is characterised in that described according to vertical range and the adjustment of default regulation rule
After the step of acutance of display screen is set, also include：
The acutance modification instruction of user's triggering is received, and is set according to the acutance of the acutance modification instruction adjustment display screen
Put.
5. method of adjustment as claimed in claim 4, it is characterised in that the acutance modification instruction of the reception user triggering, and
After the step of acutance according to the acutance modification instruction adjustment display screen is set, also include：
The preservation instruction triggered according to user preserves current acutance, and sets matching according to the corresponding vertical range of acutance is preserved
Condition；
When the vertical range of plane where according to user with the display screen is determined and meets the matching condition, according to described
Acutance adjustment acutance is preserved to set.
6. a kind of adjusting apparatus of display screen acutance, it is characterised in that the adjusting apparatus include：
Position acquisition module, the positional information for obtaining user in the range of default acquisition by sensor；
Apart from acquisition module, the vertical range of plane where for obtaining user with display screen according to the positional information；
First adjusting module, the acutance for adjusting the display screen according to the vertical range and default regulation rule is set.
7. adjusting apparatus as claimed in claim 6, it is characterised in that described to include apart from acquisition module：
Quantity determining unit, the quantity for determining user in the range of default acquisition according to the positional information；
Distance acquiring unit, for if it is determined that it is default obtain in the range of the quantity of user be more than two, then respectively according to each use
The vertical range of plane where each user of position acquisition at family and the display screen；
Distance determining unit, for determining a vertical range to adjust the display according to each vertical range and default determination rule
The acutance of screen is set.
8. adjusting apparatus as claimed in claim 7, it is characterised in that the distance determining unit includes：
First determination subelement, for the minimum perpendicular distance in each vertical range to be defined as into user with display screen place
The vertical range of plane is set with adjusting the acutance of the display screen；
Or, the second determination subelement, vertical with plane where display screen for the average value of each vertical range to be defined as into user
Straight distance is set with adjusting the acutance of the display screen.
9. adjusting apparatus as claimed in claim 6, it is characterised in that the adjusting apparatus also include：
Second adjusting module, the acutance for receiving user's triggering changes instruction, and according to acutance modification instruction adjustment institute
The acutance for stating display screen is set.
10. adjusting apparatus as claimed in claim 9, it is characterised in that the adjusting apparatus also include：
Preserving module is set, and the preservation instruction for being triggered according to user preserves current acutance, and according to preservation acutance correspondence
Vertical range set matching condition；
3rd adjusting module, for the plane where according to user with the display screen vertical range determine satisfaction described in
During with condition, set according to the preservation acutance adjustment acutance.
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| CN201611202158.2A CN106782432A (en) | 2016-12-21 | 2016-12-21 | The method of adjustment and device of display screen acutance |
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| CN201611202158.2A CN106782432A (en) | 2016-12-21 | 2016-12-21 | The method of adjustment and device of display screen acutance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705765A (en) * | 2017-10-18 | 2018-02-16 | 福建捷联电子有限公司 | The method of display intelligent control image quality sharpness |
| CN109582145A (en) * | 2018-12-06 | 2019-04-05 | 刘美连 | A kind of displaying method of terminal and system, terminal more using object |
| CN114546104A (en) * | 2021-12-23 | 2022-05-27 | 北京德为智慧科技有限公司 | Display adjusting method and device, electronic equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648958A (en) * | 2005-01-18 | 2005-08-03 | 张旭东 | Vision protection method for keeping watching distance to TV set by human body induction |
| CN101299807A (en) * | 2007-04-30 | 2008-11-05 | 深圳Tcl新技术有限公司 | Display device capable of automatically regulating display parameter as well as implementation method thereof |
| CN102279603A (en) * | 2011-04-19 | 2011-12-14 | 西南交通大学 | Method for automatically adjusting spatial direction of display and visual display following eye position |
| US20150029214A1 (en) * | 2012-01-19 | 2015-01-29 | Pioneer Corporation | Display device, control method, program and storage medium |
| CN104768064A (en) * | 2014-01-02 | 2015-07-08 | 冠捷投资有限公司 | Method for dynamically optimizing image or sound based on user location |
| CN106133643A (en) * | 2014-04-07 | 2016-11-16 | 惠普发展公司，有限责任合伙企业 | Based on user distance adjusting brightness of display |
-
2016
- 2016-12-21 CN CN201611202158.2A patent/CN106782432A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648958A (en) * | 2005-01-18 | 2005-08-03 | 张旭东 | Vision protection method for keeping watching distance to TV set by human body induction |
| CN101299807A (en) * | 2007-04-30 | 2008-11-05 | 深圳Tcl新技术有限公司 | Display device capable of automatically regulating display parameter as well as implementation method thereof |
| CN102279603A (en) * | 2011-04-19 | 2011-12-14 | 西南交通大学 | Method for automatically adjusting spatial direction of display and visual display following eye position |
| US20150029214A1 (en) * | 2012-01-19 | 2015-01-29 | Pioneer Corporation | Display device, control method, program and storage medium |
| CN104768064A (en) * | 2014-01-02 | 2015-07-08 | 冠捷投资有限公司 | Method for dynamically optimizing image or sound based on user location |
| CN106133643A (en) * | 2014-04-07 | 2016-11-16 | 惠普发展公司，有限责任合伙企业 | Based on user distance adjusting brightness of display |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705765A (en) * | 2017-10-18 | 2018-02-16 | 福建捷联电子有限公司 | The method of display intelligent control image quality sharpness |
| CN109582145A (en) * | 2018-12-06 | 2019-04-05 | 刘美连 | A kind of displaying method of terminal and system, terminal more using object |
| CN109582145B (en) * | 2018-12-06 | 2022-06-03 | 深圳市智慧季节科技有限公司 | Terminal display method and system for multiple use objects and terminal |
| CN114546104A (en) * | 2021-12-23 | 2022-05-27 | 北京德为智慧科技有限公司 | Display adjusting method and device, electronic equipment and storage medium |
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