CN106657955B - Joining method and device - Google Patents
Joining method and device Download PDFInfo
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- CN106657955B CN106657955B CN201611121658.3A CN201611121658A CN106657955B CN 106657955 B CN106657955 B CN 106657955B CN 201611121658 A CN201611121658 A CN 201611121658A CN 106657955 B CN106657955 B CN 106657955B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
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- G—PHYSICS
- 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
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- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention provides a kind of joining method and devices, which comprises obtains the edge brightness data at multiple projected picture edges of the horizontally-spliced quantity, longitudinal spliced quantity and each display screen of multiple display screens in display wall to be spliced；Determine the optic centre position in display wall to be spliced；In the permutation and combination method of the corresponding various display screens of display wall to be spliced, determine that every kind of permutation and combination method is located at the central display of optic centre position；The brightness uniformity for determining central display is more than the candidate permutation and combination method of at least one of uniformity threshold value；Determine that the brightness distance of central display and multiple adjacent display screens is less than the candidate permutation and combination method of brightness distance threshold for the practical connecting method of display wall to be spliced.The present invention can make spliced display, and the edge joint position luminance difference between multiple display screens reduces within the walls, and then makes the brightness of edge joint position more evenly piece is no longer obvious, saves human resources and simultaneously improves splicing operation efficiency.
Description
Technical field
The present invention relates to screen splicing technical field more particularly to a kind of joining methods and device.
Background technique
Screen splicing, which refers to for a complete picture signal to be divided into after N block, distributes to N number of display, then with by multiple
The display wall that the display being stitched together is constituted carrys out dynamic display image, can obtain big picture, broken colour, high brightness and height
The display effect of resolution ratio.
In practical applications, projected picture generally is generated using laser projection, and use is spliced by multiple display screens
At display wall show projected picture, such as: the outdoor projection in stadium shows, the Projection Display of cinema etc..But
Due to the difference of the light engine of each laser projection, camera lens etc., it will appear the adjacent display of every two in projected picture
The obvious situation of edge joint position luminance difference between screen.
Since the luminance difference in projected picture between the adjacent display screen of every two is obvious, will lead to every two adjacent aobvious
Edge joint position between display screen can show different degrees of bright dark transition region, so that piece is clearly, and laser projection
The bright dark uniformity for the projected picture being projected out on large-size screen monitors display screen also can be different.
Summary of the invention
To overcome the problems in correlation technique, the present invention provides a kind of joining method and device.
According to a first aspect of the embodiments of the present invention, a kind of joining method is provided, which comprises
Obtain the horizontally-spliced quantity of multiple display screens in display wall to be spliced, longitudinal spliced quantity and each described aobvious
The edge brightness data at multiple projected picture edges of display screen；
It is determined according to the horizontally-spliced quantity and the longitudinal spliced quantity in the vision in the display wall to be spliced
Heart position；
In the permutation and combination method to be spliced for showing the corresponding various display screens of wall, every kind of permutation and combination side is determined
Formula is located at the central display of the optic centre position；
According to the edge brightness data of acquisition, determine that the brightness uniformity of central display is more than uniformity threshold value
At least one candidate's permutation and combination method；
Determine that central display is less than the candidate arrangement group of brightness distance threshold with the brightness distance of multiple adjacent display screens
Conjunction mode is the practical connecting method of display wall to be spliced.
Optionally, described that the display wall to be spliced is determined according to the horizontally-spliced quantity and the longitudinal spliced quantity
In optic centre position, comprising:
According to the horizontally-spliced quantity N and the longitudinal spliced quantity M, the optic centre position of the display wall is determined
Abscissa beOrdinate isWherein, N is integer more than or equal to 1, and M is the integer more than or equal to 1, and N and M
It is not simultaneously 1.
Optionally, described in the permutation and combination method to be spliced for showing the corresponding various display screens of wall, it determines every
Kind permutation and combination method is located at the central display of the optic centre position, comprising:
In every kind of permutation and combination method, searching abscissa respectively isAnd ordinate isDisplay screen；
The multiple display screens found in various arrangement combination are identified as central display.
Optionally, the edge brightness data according to acquisition, determine that the brightness uniformity of central display is more than
The candidate permutation and combination method of at least one of uniformity threshold value, comprising:
Multiple brightness values in each edge brightness data are obtained, each brightness value corresponds to projected picture edge
Different location；
According to multiple brightness values and the first default computation rule, multiple display screens is bright in calculating display wall to be spliced
Spend uniformity；
Brightness uniformity is selected to be greater than at least one display screen of default uniformity threshold value；
Search each brightness uniformity at least greater than display screen centered on the display screen of default uniformity threshold value
A kind of permutation and combination method；
The corresponding various arrangement combination of multiple display screens will be found and be determined as candidate permutation and combination method.
Optionally, after determining at least one candidate permutation and combination method, the method also includes:
Determine at least one adjacent display screen adjacent with the central display, the central display includes multiple
The adjacent first edge with adjacent display screen, each adjacent display screen include multiple second sides adjacent with central display
Edge；
For each first edge of the central display, first edge and adjacent with the first edge second is calculated
Brightness distance value between edge；
Determine multiple brightness distance values being calculated and be total brightness distance；
The brightness distance of central display and multiple adjacent display screens is determined according to the total brightness distance.
Optionally, the brightness distance of the determining central display and multiple adjacent display screens is less than brightness distance threshold
Candidate permutation and combination method is the practical connecting method of display wall to be spliced, comprising:
In at least one candidate permutation and combination method, quantity of the total brightness apart from the smallest candidate permutation and combination method is determined
It whether is one；
When quantity of the total brightness apart from the smallest candidate permutation and combination method is one, determine total brightness apart from the smallest
Candidate permutation and combination method is the practical connecting method；
When quantity of the total brightness apart from the smallest candidate permutation and combination method is greater than one, determine in default visual focusing
The candidate permutation and combination method for occurring the most uniform display screen of brightness in sequence at first is the practical connecting method.
According to a second aspect of the embodiments of the present invention, a kind of splicing apparatus is provided, described device includes:
Module is obtained, for obtaining horizontally-spliced quantity, the longitudinal spliced quantity of multiple display screens in display wall to be spliced
And the edge brightness data at multiple projected picture edges of each display screen；
First determining module, it is described to be spliced for being determined according to the horizontally-spliced quantity and the longitudinal spliced quantity
Show the optic centre position in wall；
Second determining module, in the permutation and combination method of the corresponding various display screens of the display wall to be spliced,
Determine that every kind of permutation and combination method is located at the central display of the optic centre position；
Third determining module determines the brightness uniformity of central display for the edge brightness data according to acquisition
Property be more than uniformity threshold value the candidate permutation and combination method of at least one；
4th determining module, for determining that the brightness distance of central display and multiple adjacent display screens is less than brightness distance
The candidate permutation and combination method of threshold value is the practical connecting method of display wall to be spliced.
Optionally, first determining module is also used to:
According to the horizontally-spliced quantity N and the longitudinal spliced quantity M, the optic centre position of the display wall is determined
Abscissa beOrdinate isWherein, N is integer more than or equal to 1, and M is the integer more than or equal to 1, and N and M
It is not simultaneously 1；
Second determining module, is also used to:
In every kind of permutation and combination method, searching abscissa respectively isAnd ordinate isDisplay screen；It will be
The multiple display screens found in various arrangement combination are identified as central display.
Optionally, the third determining module, comprising:
Acquiring unit, for obtaining multiple brightness values in each edge brightness data, each brightness value pair
Answer the different location at projected picture edge；
Computing unit, for calculating in display wall to be spliced according to multiple brightness values and the first default computation rule
The brightness uniformity of multiple display screens；
Selecting unit, for selecting brightness uniformity to be greater than at least one display screen of default uniformity threshold value；
Searching unit is greater than centered on the display screen of default uniformity threshold value for searching each brightness uniformity
At least one permutation and combination method of display screen；
First determination unit is determined as candidate row for that will find the corresponding various arrangement combination of multiple display screens
Column combination.
Optionally, after third determining module, described device further include:
5th determining module, it is described for determining at least one adjacent display screen adjacent with the central display
Central display includes multiple first edge adjacent with adjacent display screen, and each adjacent display screen includes multiple and center
The adjacent second edge of display screen；
Computing module, for be directed to the central display each first edge, calculate first edge and with this first
Brightness distance value between the adjacent second edge in edge；
6th determining module, for determine multiple brightness distance values being calculated and for total brightness distance；
7th determining module, for determining the bright of central display and multiple adjacent display screens according to total brightness distance
Spend distance.
Optionally, the 4th determining module, comprising:
Second determination unit, for determining total brightness apart from the smallest candidate at least one candidate permutation and combination method
Whether the quantity of permutation and combination method is one；
Third determination unit, for when quantity of the total brightness apart from the smallest candidate permutation and combination method is one, really
Determining total brightness apart from the smallest candidate permutation and combination method is the practical connecting method；
4th determination unit, for when quantity of the total brightness apart from the smallest candidate permutation and combination method is greater than one,
Determine that the candidate permutation and combination method for occurring the most uniform display screen of brightness at first in default visual focusing sequence is the reality
Border connecting method.
The third aspect, it is described non-transient the embodiment of the invention also provides a kind of non-transient computer readable storage medium
Computer-readable recording medium storage computer instruction, the computer instruction is for making the computer execute above-mentioned first party
The joining method that any one embodiment of face provides.
Fourth aspect, the embodiment of the invention also provides a kind of computer program product, the computer program product packet
The calculation procedure being stored in non-transient computer readable storage medium is included, the computer program includes program instruction, works as institute
When stating program instruction and being computer-executed, the computer is made to execute the described of any one embodiment of above-mentioned first aspect offer
Joining method.
The technical solution that the embodiment of the present invention provides can include the following benefits:
The embodiment of the present invention passes through obtains the horizontally-spliced quantity of multiple display screens, longitudinal spelling in display wall to be spliced first
Connect the edge brightness data at multiple projected picture edges of quantity and each display screen；Then according to described horizontally-spliced
Quantity and the longitudinal spliced quantity determine the optic centre position in the display wall to be spliced；Again in the display to be spliced
In the permutation and combination method of the corresponding various display screens of wall, determine that every kind of permutation and combination method is located at the optic centre position
Central display；And then according to the edge brightness data of acquisition, determine that the brightness uniformity of central display is more than uniform
Property threshold value the candidate permutation and combination method of at least one；Finally determine the brightness distance of central display and multiple adjacent display screens
Less than the practical connecting method that the candidate permutation and combination method of brightness distance threshold is display wall to be spliced.
Method provided in an embodiment of the present invention can determine the vision of display wall to be spliced according to the visual characteristic of the mankind
Center, and by setting brightness uniformity more than preset threshold for the central display for being located at optic centre position
Display screen, and be arranged with central display brightness around central display apart from the display screen for being more than brightness distance threshold
Mode, the edge joint position luminance difference shown between multiple display screens within the walls for making to splice according to practical connecting method reduce,
More evenly, piece is no longer obvious for the brightness of edge joint position, and can reduce since piece is obvious after splicing, results in the need for a large amount of
Manpower splices the case where multiple display screens repeatedly, saves human resources, splicing operation time and improves splicing operation efficiency.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of flow chart of joining method shown according to an exemplary embodiment；
Fig. 2 is the position distribution schematic diagram of 8 brightness collection points in display screen shown according to an exemplary embodiment；
Fig. 3 is the structural schematic diagram of the display wall shown according to an exemplary embodiment with the splicing of 2*2 connecting method；
Fig. 4 is the flow diagram of step S104 in Fig. 1；
Fig. 5 is the flow chart of another joining method shown according to an exemplary embodiment；
Fig. 6 is the structural schematic diagram of the display wall shown according to an exemplary embodiment with the splicing of 3*3 connecting method；
Fig. 7 is the flow diagram of step S105 in Fig. 1；
Fig. 8 is a kind of structure chart of splicing apparatus shown according to an exemplary embodiment.
Specific embodiment
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 embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Since in the prior art, the edge joint position between every two adjacent display screen can show different degrees of bright dark mistake
Cross area, piece clearly, and the projected picture that is projected out on large-size screen monitors display screen of laser projection will appear it is bright it is dark
The different situation of even property, for this purpose, as shown in Figure 1, in one embodiment of the invention, providing a kind of joining method, the side
Method can be applied in computer, for determining a kind of joining method spliced to multiple display screens, so that spliced
Multiple display screen edge joint position brightness uniformities, projected picture is bright dark uniform, the described method comprises the following steps.
In step s101, horizontally-spliced quantity, the longitudinal spliced quantity of multiple display screens in display wall to be spliced are obtained
And the edge brightness data at multiple projected picture edges of each display screen.
In embodiments of the present invention, horizontally-spliced quantity refers to when multiple display screens are spliced into display wall, shows in wall
Display screen quantity in every a line, longitudinal spliced quantity refer to the display screen quantity in each column, horizontally-spliced quantity and longitudinal spelling
It connects quantity and can first pass through user interface in advance by user and configure, inputted for example, passing through the keyboard connecting with computer
Deng being then stored in the preset storage region of computer.
Edge brightness data are each display screen multiple brightness collection points in edge in the projected picture of showing projector
Brightness value, since display screen is usually rectangular shape in the prior art, so aobvious being acquired using illumination photometer or luminance meter
In display screen when the brightness value of multiple brightness collection points, at least one brightness collection point in display screen each edge should be acquired, such as
Shown in Fig. 2,3 brightness collection points are respectively provided in Fig. 2 in each edge of display screen, it, can be with after having acquired edge brightness data
Edge brightness data are input in computer by user interface.
In practical applications, each display screen is provided with the display screen mark for the unique identification display screen, will show
Display screen mark carries out corresponding storage to preset storage region with the edge brightness data of acquisition
In this step, horizontally-spliced quantity, longitudinal spliced quantity can be obtained from storage region and for splicing
At the edge brightness data of multiple display screens of display wall, here it is possible to which random determine is spliced into the multiple aobvious of display wall first
The display screen of display screen identifies, and is then identified according to display screen, obtains edge brightness data corresponding with display screen mark.
In step s 102, the display to be spliced is determined according to the horizontally-spliced quantity and the longitudinal spliced quantity
Optic centre position in wall.
In embodiments of the present invention, after determining horizontally-spliced quantity and longitudinal spliced quantity, it is assumed that horizontally-spliced quantity
For N, longitudinal spliced quantity is M, wherein N >=1, M >=1, and N, M are not 1 simultaneously, for be spliced at the multiple aobvious of display wall
Show that device there can be (N*M)！Kind of simulation combination, such as: work as N=2, when M=3, with (2*3)！=6！=720 kinds of simulation combinations
Mode.
In this step, when determining optic centre position, can pass through coordinate calculation formula: ((N+1)/2, M/2) is (upward
Round numbers) coordinate of optic centre position is calculated, it can determine that the abscissa for showing the optic centre position of wall isOrdinate isSuch as: work as N=2, when M=3, is updated in coordinate calculation formula and obtains (3/2,3/2), take upwards
After integer, the coordinate of available optic centre position is (2,2).
In step s 103, it in the permutation and combination method to be spliced for showing the corresponding various display screens of wall, determines
Every kind of permutation and combination method is located at the central display of the optic centre position.
In this step, can be first in every kind of permutation and combination method, searching abscissa respectively isAnd vertical seat
It is designated asDisplay screen；Then the multiple display screens found in various arrangement combination center is identified as to show
Display screen.
In step S104, according to the edge brightness data of acquisition, determine that the brightness uniformity of central display is super
Cross the candidate permutation and combination method of at least one of uniformity threshold value.
In this step, the brightness uniformity percentage of each display screen can be calculated according to edge brightness data, specifically
Calculation is referred to embodiment of the method as shown in Figure 4, then by multiple brightness uniformity percentages being calculated by
It is arranged according to sequence from big to small or sequence from small to large, is then selected in the brightness uniformity percentage after arrangement
It takes more than the candidate permutation and combination method of at least one of uniformity threshold value, for example, can take wherein at optic centre position
Brightness of display screen uniformity best (N*M)！/ 2 simulation combinations are as reference portfolios mode.
In step s105, determine that the brightness distance of central display and multiple adjacent display screens is less than brightness distance threshold
Candidate permutation and combination method be it is to be spliced display wall practical connecting method.
In embodiments of the present invention, the central display includes multiple first edge adjacent with adjacent display screen, often
A adjacent display screen includes multiple second edge adjacent with central display, can be according to every in central display
The brightness value acquired on brightness collection point in first edge, and the brightness acquisition in the second edge adjacent with first edge
The brightness value acquired on point determines the brightness distance of central display Yu adjacent display screen, such as: referring to Fig. 3, shown in Fig. 3
Pair the display wall spliced using 2*2 mode, according to aforementioned coordinate calculation formula, the coordinate of optic centre position is (2,1), i.e.,
C display screen in Fig. 3 is answered, adjacent display screen is A display screen and D display screen, at this time according to adjacent with A display screen on C display screen
Brightness collection point C1, C2 and C3 on side, brightness collection point A5, A6 and A7 on A display screen on the side adjacent with C display screen, C
Brightness collection point C3, C4 and C5 on display screen on the side adjacent with A display screen, on D display screen on the side adjacent with C display screen
Brightness collection point D1, D8 and D7, determine that the brightness distance of central display Yu adjacent display screen, specific method of determination can join
According to embodiment of the method as shown in Figure 5.
In this step, at least one candidate permutation and combination method, determine a central display with it is each adjacent
Brightness of display screen is practical connecting method apart from the smallest candidate permutation and combination method, should be included at least in practical connecting method
The display screen of each display screen identifies and each display screen identifies corresponding position coordinates.
In practical applications, after determining practical connecting method, it can be exported by human-computer interaction interface and show the reality
Connecting method, worker can splice multiple display screens according to the practical connecting method.
The embodiment of the present invention passes through obtains the horizontally-spliced quantity of multiple display screens, longitudinal spelling in display wall to be spliced first
Connect the edge brightness data at multiple projected picture edges of quantity and each display screen；Then according to described horizontally-spliced
Quantity and the longitudinal spliced quantity determine the optic centre position in the display wall to be spliced；Again in the display to be spliced
In the permutation and combination method of the corresponding various display screens of wall, determine that every kind of permutation and combination method is located at the optic centre position
Central display；And then according to the edge brightness data of acquisition, determine that the brightness uniformity of central display is more than uniform
Property threshold value the candidate permutation and combination method of at least one；Finally determine the brightness distance of central display and multiple adjacent display screens
Less than the practical connecting method that the candidate permutation and combination method of brightness distance threshold is display wall to be spliced.
Method provided in an embodiment of the present invention determines the optic centre of display wall to be spliced according to the visual characteristic of the mankind
Position, and by setting the display that brightness uniformity is more than preset threshold for the central display for being located at optic centre position
Screen, and side of the setting with central display brightness distance more than the display screen of brightness distance threshold around central display
Formula, the edge joint position luminance difference shown between multiple display screens within the walls for making to splice according to practical connecting method are reduced, are spelled
More evenly, piece is no longer obvious for brightness at seam, and can reduce since piece is obvious after splicing, results in the need for a large amount of people
Power is spliced the case where multiple display screens repeatedly, is saved human resources, splicing operation time and is improved splicing operation efficiency.
As shown in figure 4, the step S104 includes the following steps in another embodiment of the present invention.
In step s 201, multiple brightness values in each edge brightness data are obtained.
In embodiments of the present invention, each brightness value corresponds to the different location at the projected picture edge.Due to side
It include the brightness value at multiple brightness collection points on a display screen in edge brightness data, and brightness value is corresponding with display screen mark deposits
Storage, so in this step the multiple brightness values obtained in edge brightness data can be identified according to display screen.
In step S202, according to multiple brightness values and the first default computation rule, calculate in display wall to be spliced
The brightness uniformity of multiple display screens.
In embodiments of the present invention, the described first default computation rule are as follows:
L=MIN ((1- (MAX (L1:Ln)-((L1+ ...+Ln)/n)/(L1+ ...+Ln)/n) * 100%, (1- ((L1+ ...+
Ln)/n-MIN (L1:Ln))/(L1+ ...+Ln)/n) * 100%)
Wherein, L indicates brightness uniformity, and MIN expression is minimized, and MAX expression is maximized, and Ln identifies each display screen
The brightness value of upper n-th of brightness collection point.
When the quantity of the brightness collection point on each display screen is 8, for determining the brightness uniformity L of display screen
First default computation rule can be to bring into the first default computation rule, obtain:
L=MIN ((1- (MAX (L1:L8)-((L1+ ...+L8)/8)/(L1+ ...+L8)/8) * 100%, (1- ((L1+ ...+
L8)/8-MIN (L1:L8))/(L1+ ...+L8)/8) * 100%)
Wherein, MIN expression is minimized, and MAX expression is maximized, and Li identifies 8 brightness collection points on each display screen
The brightness value of (as shown in Figure 2), the value range of i are 1 to 8.
In this step, multiple brightness values of each display screen are updated to the first default calculating for calculating brightness uniformity
In rule, obtained brightness percentage is determined as the corresponding brightness uniformity of the display screen.
In step S203, brightness uniformity is selected to be greater than at least one display screen of default uniformity threshold value.
In this step, will can through the multiple brightness percentages being calculated according to from small to large or from big to small
Sequence sequence, then determine at least one the brightness percentage for being greater than default uniformity threshold value in sequence, reselection and each
The determining corresponding display screen of brightness percentage.
In step S204, searches each brightness uniformity and be greater than centered on the display screen of default uniformity threshold value
At least one permutation and combination method of display screen.
In this step, it can will search and be selected in step S203 at least one candidate permutation and combination method
The permutation and combination method of display screen centered on display screen.
In step S205, the corresponding various arrangement combination of multiple display screens will be found and be determined as candidate arrangement group
Conjunction mode.
The embodiment of the present invention obtains multiple brightness values in each edge brightness data, and each brightness value is corresponding
The different location at projected picture edge；According to multiple brightness values and the first default computation rule, display wall to be spliced is calculated
In multiple display screens brightness uniformity；Brightness uniformity is selected to be greater than at least one display screen of default uniformity threshold value；It looks into
At least one arrangement group of display screen centered on looking for each brightness uniformity to be greater than the display screen of default uniformity threshold value
Conjunction mode；It can will find the corresponding various arrangement combination of multiple display screens and be determined as candidate permutation and combination method.
This method provided in an embodiment of the present invention can filter out brightness uniformity at optic centre position and preferably arrange
Combination, to further determine that practical connecting method reduces calculation amount.
As shown in figure 5, after step s 104, the method also includes following steps in another embodiment of the present invention
Suddenly.
In step S301, at least one adjacent display screen adjacent with the central display is determined.
In embodiments of the present invention, the central display includes multiple first edge adjacent with adjacent display screen, often
A adjacent display screen includes multiple second edge adjacent with central display.
In this step, it after determining central display, can search and adjacent adjacent in four sides of central display
Display screen, for example, referring to Fig. 6, according to the determination method of previous embodiment central display, it can be deduced that 3*3 mode arranges
In multiple display screens, the coordinate of central display is (2,2), and E display screen is corresponded in Fig. 6, then adjacent with the central display
In multiple display screens that the adjacent display screen connect arranges for display screen B, display screen D, display screen F and display screen H, 2*2 mode, in
Heart display screen and adjacent display screen may refer to embodiment as described in Figure 1.
In step s 302, for each first edge of the central display, calculate first edge and with this first
Brightness distance value between the adjacent second edge in edge.
In embodiments of the present invention, referring to Fig. 3, in the connecting method using 2*2, due to display screen A and display screen B phase
Neighbour, then the calculation formula of the brightness distance value D between display screen A and display screen C can be such that
D=(LA7-LC1)2+(LA6-LC8)2+(LA5-LC7)2
Wherein, LA3 is the brightness value of No. 3 brightness collection points acquisition in display screen A, and LC1 is that No. 1 in display screen C is bright
The brightness value of collection point acquisition is spent, LA4 is the brightness value of No. 4 brightness collection points acquisition in display screen A, LC8For in display screen C
No. 8 brightness collection points acquisition brightness value, LA5For the brightness value of No. 5 brightness collection points acquisition in display screen A, LC7It is aobvious
The brightness value of No. 7 brightness collection points acquisition in display screen C.
The calculation of brightness distance value D between display screen C and display screen D also may refer to this formula, herein no longer
It repeats.
In this step, first edge in central display and the second side on corresponding adjacent display screen can be calculated
Brightness distance value between edge, such as in the connecting method of 2*2, the brightness distance between display screen C and display screen A can be calculated
Value and the brightness distance value between display screen C and display screen D；In the connecting method of 3*3, display screen E can be calculated and shown
Brightness distance value between display screen B, display screen E and display screen D, display screen E and display screen F and display screen E and display screen H.
In step S303, determine multiple brightness distance values being calculated and be total brightness distance.
In this step, the multiple brightness distance values being calculated in step S302 can be summed, is obtained total bright
Spend distance.
In step s 304, determined according to the total brightness distance brightness of central display and multiple adjacent display screens away from
From.
In embodiments of the present invention, total brightness distance is directly proportional to brightness change degree, i.e. total brightness distance is bigger, shows
Show that the brightness change degree of multiple display screens in wall is higher；Total brightness is apart from smaller, the brightness of multiple other people's business feelings in display wall
Variation degree is lower.
The embodiment of the present invention is by determining at least one adjacent display screen adjacent with the central display, for institute
Each first edge of central display is stated, the brightness between first edge and the second edge adjacent with the first edge is calculated
Distance value；Determine multiple brightness distance values being calculated and be total brightness distance；According to the total brightness in determining
The brightness distance of heart display screen and multiple adjacent display screens.
This method provided in an embodiment of the present invention, can by calculating brightness distance value and total brightness distance, convenient for to
A practical connecting method is determined in few permutation and combination method candidate one by one.
As shown in fig. 7, in yet another embodiment of the present invention, the step S105 includes the following steps.
In step S401, at least one candidate permutation and combination method, determine total brightness apart from the smallest candidate arrangement
Whether the quantity of combination is one.
In this step, the total brightness distance of the candidate permutation and combination method of preset quantity can be compared, then judgement is total
Whether quantity of the brightness apart from the smallest candidate permutation and combination method is 1.
In step S402, when quantity of the total brightness apart from the smallest candidate permutation and combination method is one, determine total
Brightness is the practical connecting method apart from the smallest candidate permutation and combination method.
In step S403, when quantity of the total brightness apart from the smallest candidate permutation and combination method is greater than one, determine
The candidate permutation and combination method for occurring the most uniform display screen of brightness at first in default visual focusing sequence is the practical spelling
Connect mode.
In embodiments of the present invention, default visual focusing sequence can refer to is shown by central display the right and left, center
Below screen lower section to central display, the brightness uniformity of first Correlation Centre display screen the right and left single screen, then Correlation Centre are aobvious
The brightness uniformity of three single screens below display screen, then the brightness uniformity of three single screens above Correlation Centre display screen,
In comparing each time, the preferable connecting method of brightness uniformity is won at first.
In this step, the brightness uniformity for each display screen that can be calculated according to previous embodiment, is then pressed
According to default visual focusing sequence, the candidate permutation and combination method for occurring the most uniform display screen of brightness at first is determined as practical spelling
Connect mode.
The embodiment of the present invention is by determining total brightness apart from the smallest candidate row at least one candidate permutation and combination method
Whether the quantity of column combination is one；When quantity of the total brightness apart from the smallest candidate permutation and combination method is one,
Determine that total brightness apart from the smallest candidate permutation and combination method is the practical connecting method；When total brightness is apart from the smallest candidate
When the quantity of permutation and combination method is greater than one, determine that occurring brightness at first in default visual focusing sequence most uniformly shows
The candidate permutation and combination method of screen is the practical connecting method.
Method provided in an embodiment of the present invention can determine one automatically at least one candidate permutation and combination method
As practical connecting method, and when quantity of the total brightness apart from the smallest candidate permutation and combination method is greater than one, automatically
Determine that a candidate permutation and combination method is used as practical connecting method according to visual focusing sequence, to realize that multiple display screens are being spelled
Brightness display effect more evenly is presented for user after connecing.
As shown in figure 8, providing a kind of splicing apparatus in another embodiment of the present invention, described device includes:
Module 11 is obtained, for obtaining the horizontally-spliced quantity of multiple display screens, longitudinal spliced number in display wall to be spliced
The edge brightness data at multiple projected picture edges of amount and each display screen；
First determining module 12, it is described wait spell for being determined according to the horizontally-spliced quantity and the longitudinal spliced quantity
Connect the optic centre position in display wall；
In another embodiment of the present invention, first determining module is also used to:
According to the horizontally-spliced quantity N and the longitudinal spliced quantity M, the optic centre position of the display wall is determined
Abscissa beOrdinate isWherein, N is integer more than or equal to 1, and M is the integer more than or equal to 1, and N and M
It is not simultaneously 1.
Second determining module 13, in the permutation and combination method to be spliced for showing the corresponding various display screens of wall
In, determine that every kind of permutation and combination method is located at the central display of the optic centre position；
Second determining module, is also used to:
In every kind of permutation and combination method, searching abscissa respectively isAnd ordinate isDisplay screen；It will be
The multiple display screens found in various arrangement combination are identified as central display.
Third determining module 14 determines that the brightness of central display is equal for the edge brightness data according to acquisition
Even property is more than the candidate permutation and combination method of at least one of uniformity threshold value；
4th determining module 15, for determine the brightness distance of central display and multiple adjacent display screens be less than brightness away from
From the practical connecting method that the candidate permutation and combination method of threshold value is display wall to be spliced.
In another embodiment of the present invention, the third determining module, comprising:
Acquiring unit, for obtaining multiple brightness values in each edge brightness data, each brightness value pair
Answer the different location at projected picture edge；
Computing unit, for calculating in display wall to be spliced according to multiple brightness values and the first default computation rule
The brightness uniformity of multiple display screens；
Selecting unit, for selecting brightness uniformity to be greater than at least one display screen of default uniformity threshold value；
Searching unit is greater than centered on the display screen of default uniformity threshold value for searching each brightness uniformity
At least one permutation and combination method of display screen；
First determination unit is determined as candidate row for that will find the corresponding various arrangement combination of multiple display screens
Column combination.
In another embodiment of the present invention, after third determining module, described device further include:
5th determining module, it is described for determining at least one adjacent display screen adjacent with the central display
Central display includes multiple first edge adjacent with adjacent display screen, and each adjacent display screen includes multiple and center
The adjacent second edge of display screen；
Computing module, for be directed to the central display each first edge, calculate first edge and with this first
Brightness distance value between the adjacent second edge in edge；
6th determining module, for determine multiple brightness distance values being calculated and for total brightness distance；
7th determining module, for determining the bright of central display and multiple adjacent display screens according to total brightness distance
Spend distance.
In another embodiment of the present invention, the 4th determining module, comprising:
Second determination unit, for determining total brightness apart from the smallest candidate at least one candidate permutation and combination method
Whether the quantity of permutation and combination method is one；
Third determination unit, for when quantity of the total brightness apart from the smallest candidate permutation and combination method is one, really
Determining total brightness apart from the smallest candidate permutation and combination method is the practical connecting method；
4th determination unit, for when quantity of the total brightness apart from the smallest candidate permutation and combination method is greater than one,
Determine that the candidate permutation and combination method for occurring the most uniform display screen of brightness at first in default visual focusing sequence is the reality
Border connecting method.
For convenience of description, it is divided into various units when description apparatus above with function to describe respectively.Certainly, implementing this
The function of each unit can be realized in the same period or multiple periodic softwares and/or hardware when invention.
Each period in this specification, the embodiments are all described in a progressive manner, identical between each period embodiment
Similar part may refer to each other, and what each period embodiment stressed is the difference from other embodiments.Especially
Its, for device or system embodiments, since it is substantially similar to the method embodiment, so describe fairly simple, phase
Place is closed to illustrate referring to the part of embodiment of the method.Apparatus and system embodiment described above is only schematic
, wherein unit may or may not be physically separated as illustrated by the separation member, it is shown as a unit
Component may or may not be physical unit, it can is located at a cycle place, or may be distributed over multiple
On periodic network unit.Some or all of the modules therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.Those of ordinary skill in the art can understand and implement without creative efforts.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by appended
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (11)
1. a kind of joining method, which is characterized in that the described method includes:
Obtain horizontally-spliced quantity, longitudinal spliced quantity and each display screen of multiple display screens in display wall to be spliced
Multiple projected picture edges edge brightness data；
The optic centre position in the display wall to be spliced is determined according to the horizontally-spliced quantity and the longitudinal spliced quantity
It sets；
In the permutation and combination method to be spliced for showing the corresponding various display screens of wall, every kind of permutation and combination method position is determined
Central display in the optic centre position；
According to the edge brightness data of acquisition, the brightness uniformity of central display is determined at least more than uniformity threshold value
A kind of candidate's permutation and combination method；
Determine that central display is less than the candidate permutation and combination side of brightness distance threshold with the brightness distance of multiple adjacent display screens
Formula is the practical connecting method of display wall to be spliced.
2. the method according to claim 1, wherein described spell according to the horizontally-spliced quantity with the longitudinal direction
It connects quantity and determines the optic centre position to be spliced shown in wall, comprising:
According to the horizontally-spliced quantity N and the longitudinal spliced quantity M, the cross of the optic centre position of the display wall is determined
Coordinate isOrdinate isWherein, N is the integer more than or equal to 1, and M is the integer more than or equal to 1, and N and M is different
When be 1.
3. according to the method described in claim 2, it is characterized in that, described in the corresponding a variety of displays of the display wall to be spliced
In the permutation and combination method of screen, determine that every kind of permutation and combination method is located at the central display of the optic centre position, comprising:
In every kind of permutation and combination method, searching abscissa respectively isAnd ordinate isDisplay screen；
The multiple display screens found in various arrangement combination are identified as central display.
4. the method according to claim 1, wherein the edge brightness data according to acquisition, determine
The brightness uniformity of central display is more than the candidate permutation and combination method of at least one of uniformity threshold value, comprising:
Multiple brightness values in each edge brightness data are obtained, each brightness value corresponds to projected picture edge not
Same position；
According to multiple brightness values and the first default computation rule, the brightness for calculating multiple display screens in display wall to be spliced is equal
Even property；
Brightness uniformity is selected to be greater than at least one display screen of default uniformity threshold value；
Search at least one that each brightness uniformity is greater than display screen centered on the display screen for presetting uniformity threshold value
Permutation and combination method；
The corresponding various arrangement combination of multiple display screens will be found and be determined as candidate permutation and combination method.
5. the method according to claim 1, wherein after determining at least one candidate permutation and combination method, institute
State method further include:
Determine at least one adjacent display screen adjacent with the central display, the central display includes multiple with phase
The adjacent first edge of adjacent display screen, each adjacent display screen include multiple second edges adjacent with central display；
For each first edge of the central display, first edge and the second edge adjacent with the first edge are calculated
Between brightness distance value；
Determine multiple brightness distance values being calculated and be total brightness distance；
The brightness distance of central display and multiple adjacent display screens is determined according to the total brightness distance.
6. according to the method described in claim 5, it is characterized in that, the determining central display and multiple adjacent display screens
The candidate permutation and combination method that brightness distance is less than brightness distance threshold is the practical connecting method to be spliced for showing wall, comprising:
In at least one candidate permutation and combination method, whether quantity of the total brightness apart from the smallest candidate permutation and combination method is determined
It is one；
When quantity of the total brightness apart from the smallest candidate permutation and combination method is one, determine total brightness apart from the smallest candidate
Permutation and combination method is the practical connecting method；
When quantity of the total brightness apart from the smallest candidate permutation and combination method is greater than one, determine in default visual focusing sequence
In occur at first the most uniform display screen of brightness candidate permutation and combination method be the practical connecting method.
7. a kind of splicing apparatus, which is characterized in that described device includes:
Obtain module, for obtain the horizontally-spliced quantity of multiple display screens in display wall to be spliced, longitudinal spliced quantity and
The edge brightness data at multiple projected picture edges of each display screen；
First determining module, for determining the display to be spliced according to the horizontally-spliced quantity and the longitudinal spliced quantity
Optic centre position in wall；
Second determining module, for determining in the permutation and combination method to be spliced for showing the corresponding various display screens of wall
Every kind of permutation and combination method is located at the central display of the optic centre position；
Third determining module determines that the brightness uniformity of central display is super for the edge brightness data according to acquisition
Cross the candidate permutation and combination method of at least one of uniformity threshold value；
4th determining module, for determining that the brightness distance of central display and multiple adjacent display screens is less than brightness distance threshold
Candidate permutation and combination method be it is to be spliced display wall practical connecting method.
8. device according to claim 7, which is characterized in that first determining module is also used to:
According to the horizontally-spliced quantity N and the longitudinal spliced quantity M, the cross of the optic centre position of the display wall is determined
Coordinate isOrdinate isWherein, N is the integer more than or equal to 1, and M is the integer more than or equal to 1, and N and M is different
When be 1；
Second determining module, is also used to:
In every kind of permutation and combination method, searching abscissa respectively isAnd ordinate isDisplay screen；It will be a variety of
The multiple display screens found in permutation and combination method are identified as central display.
9. device according to claim 7, which is characterized in that the third determining module, comprising:
Acquiring unit, for obtaining multiple brightness values in each edge brightness data, each brightness value is corresponding to be thrown
The different location at shadow picture edge；
Computing unit, for calculating multiple in display wall to be spliced according to multiple brightness values and the first default computation rule
The brightness uniformity of display screen；
Selecting unit, for selecting brightness uniformity to be greater than at least one display screen of default uniformity threshold value；
Searching unit is greater than centered on the display screen of default uniformity threshold value for searching each brightness uniformity and shows
At least one permutation and combination method of screen；
First determination unit is determined as candidate arrangement group for that will find the corresponding various arrangement combination of multiple display screens
Conjunction mode.
10. device according to claim 7, which is characterized in that after third determining module, described device further include:
5th determining module, for determining at least one adjacent display screen adjacent with the central display, the center
Display screen includes multiple first edge adjacent with adjacent display screen, and each adjacent display screen includes multiple and center is shown
Shield adjacent second edge；
Computing module, for be directed to the central display each first edge, calculate first edge and with the first edge
Brightness distance value between adjacent second edge；
6th determining module, for determine multiple brightness distance values being calculated and for total brightness distance；
7th determining module, for determined according to the total brightness distance brightness of central display and multiple adjacent display screens away from
From.
11. device according to claim 10, which is characterized in that the 4th determining module, comprising:
Second determination unit, for determining total brightness apart from the smallest candidate arrangement at least one candidate permutation and combination method
Whether the quantity of combination is one；
Third determination unit, for determining total when quantity of the total brightness apart from the smallest candidate permutation and combination method is one
Brightness is the practical connecting method apart from the smallest candidate permutation and combination method；
4th determination unit, for determining when quantity of the total brightness apart from the smallest candidate permutation and combination method is greater than one
The candidate permutation and combination method for occurring the most uniform display screen of brightness at first in default visual focusing sequence is the practical spelling
Connect mode.
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| CN109324773A (en) * | 2017-08-01 | 2019-02-12 | 深圳光峰科技股份有限公司 | Screen method for automatically split-jointing and screen automatic mosaic system |
| CN113936587B (en) | 2020-06-30 | 2023-04-11 | 京东方科技集团股份有限公司 | Display device and display method thereof |
| WO2022178666A1 (en) * | 2021-02-23 | 2022-09-01 | 深圳市艾比森光电股份有限公司 | Led display screen and display control method therefor |
| CN113094013B (en) * | 2021-04-08 | 2021-12-31 | 深圳市极客智能科技有限公司 | Remote transmission system, method, device, equipment and storage medium for spliced display screen |
| CN114387229A (en) * | 2021-12-24 | 2022-04-22 | 佛山欧神诺云商科技有限公司 | Tile splicing detection method and device, computer equipment and readable storage medium |
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