CN108630142A - A kind of correction LED display piece method - Google Patents
A kind of correction LED display piece method Download PDFInfo
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- CN108630142A CN108630142A CN201810452589.7A CN201810452589A CN108630142A CN 108630142 A CN108630142 A CN 108630142A CN 201810452589 A CN201810452589 A CN 201810452589A CN 108630142 A CN108630142 A CN 108630142A
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
Abstract
The present invention provides a kind of correction LED display piece methods, include the following steps：Step (1)：Determine the size in the bright concealed wire region that the concatenation unit of mosaic display screen module is arranged alternately in the x and y directions；Step (2)：Camera is carried out to the domain concatenation unit size in display screen module area to shoot to obtain target image；Step (3)：Target image is subjected to the gray scale that processing obtains mosaic display screen module region；Step (4)：The brightness correction coefficients of each edge display screen module in the splicing gap that adjacent display screen module region is divided in mosaic display screen are calculated for the bright concealed wire of splicing with reference to caused by supplementing and correct luminance errors due to display screen splices gap；Step (5)：The luminance factor of the module lamp bead spacing and display screen module splicing gap spacing of mosaic display screen bright block by the above two pitch difference of acquisition according to the edge module group unit in effective brightness ratio coefficient adjustment contiguous concatenation gap is calculated, correction LED display piece may be implemented.
Description
Technical field
The present invention relates to LED display control technology fields, and in particular to arrives a kind of correction LED display piece method.
Background technology
LED display is typically to be spliced by multiple LED display modules, Manual machine in LED display splicing
Tool is processed and the limitations such as assembling process, and the stitching portion between LED display module concatenation unit is uneven, so as to cause LED
Display screen module lamp bead edge spacing is inconsistent.In the process of display, when LED display module lamp bead edge spacing is more than display
It will appear concealed wire when shielding module normal pitch, when LED display module lamp bead edge is smaller than display screen module normal pitch
It will appear bright line, the concealed wire or bright line of formation are referred to as LED display and splice bright concealed wire in industry.
Occur splicing bright concealed wire in LED display engineering, can not thoroughly be solved by artificial mechanism adjustment operation.Tradition is repaiied
Compound case splices the position of bright concealed wire by eye-observation, and manually inputting correction coefficient to bright concealed wire, this process is spliced is
By observing and adjusting correction factor repeatedly, bright concealed wire is eliminated until reaching.This method can solve to splice bright concealed wire still
Efficiency is low, and high to correction work personnel requirement, while observation is harmful to eyes for a long time.
Existing correction LED display piece method is：The size of LED display module is unknown, to LED display module
The full frame image that lamp bead is lighted according to specified step-length is shot with camera；Assuming that 2 step-lengths of selection light lamp bead, then in requisition for shooting
2x2 images；By taking 128x128 dot matrix display screens babinet red (RED) lighting in RGB as an example, LED light mode that 2 step-lengths are lighted
As shown in Figure 1, wherein "○" indicates that the LED light point lighted, "●" indicate non-lit up lamp point.Obtain step-length x step-lengths image
After first pass through the positioning of image outline detection algorithm and determine each LED lamp bead effective coverage, then edge detection algorithm positions LED
Step-length x step-lengths image integration is finally one by each lamp bead centre coordinate of display screen module；Merging into an image
Afterwards, each LED lamp bead brightness effective coverage area is calculated by the spaces RGBxy, passes through LED lamp bead brightness effective coverage area
Mean value difference calculates brightness correction coefficients.
However above-mentioned technology still has defect and error, following (1) need to use camera to obtain effective lamp bead brightness
It shoots multiple images and integrates luminance factor, while there is shake in shooting process, LED module lamp bead position will produce offset
Error, therefore integral image luminance factor and the LED lamp bead spacing that obtains be there is also error, obtained correcting luminance coefficient also phase
To inaccuracy；(2) since LED display splices module group unit unknown situation, may obtain LED lamp bead brightness by algorithm has
It imitates area discrepancy and is more than practical module lamp bead spacing, carry out the brightness correction coefficients that calculating obtains and the position for splicing gap is also carried out
Correction, leading to the screen body after correction of a final proof, there are brightness irregularities phenomenons；(3) if the bigger video camera of LED display screen body is clapped
Take the photograph effective picture and just need to widen video camera at a distance from the shooting of LED display screen body, need to take the step-length (X*X) of bigger into
Row image taking causes the associated picture for needing to shoot RGBxyz more (X*X)；This process, which equally has in above-mentioned (2), to be existed
The problem of, cause image position offsets, caused by error with regard to bigger.
Invention content
In order to solve above-mentioned insufficient defect, the present invention provides a kind of correction LED display piece methods, and the present invention can
LED display piece is corrected with preferable realization.
The present invention provides a kind of correction LED display piece methods, include the following steps：
Step (1)：Determine the bright concealed wire area that the concatenation unit of mosaic display screen module is arranged alternately in the x and y directions
The size in domain；
Step (2)：Camera is carried out to the domain concatenation unit size in display screen module area to shoot to obtain target image；
Step (3)：Target image is subjected to the gray scale that processing obtains mosaic display screen module region；
Step (4)：Calculate each edge in the splicing gap that adjacent display screen module region is divided in mosaic display screen
The brightness correction coefficients of display screen module are for the spelling with reference to caused by supplementing and correct luminance errors due to display screen splices gap
Connect bright concealed wire；
Step (5)：The module lamp bead spacing and display screen module splicing gap spacing for calculating mosaic display screen bright block pass through
The above two pitch difference of acquisition according to the edge module group unit in effective brightness ratio coefficient adjustment contiguous concatenation gap brightness
Coefficient.
Above-mentioned method, wherein the step (1) includes：
Step (1.1)：Splice the bright concealed wire position of full frame formation according to being uniformly distributed principle handle according to LED display module
The LED display module entirely spliced divides different equal subregions；
Step (1.2)：It is determined and is spelled according to the display screen module region concatenation unit size for dividing adjacent in mosaic display screen
Connect the size in the bright concealed wire region that the concatenation unit of display screen module is arranged alternately in the x and y directions, wherein X and Y direction
To divide the direction in the splicing gap between concatenation unit in mosaic display screen, bright concealed wire region includes multiple display screen module lists
Member.
Above-mentioned method, wherein the step (2) includes：
Step (2.1)：The LED display module that splicing is lighted by controlling lamp bead divides the different multiple displays for waiting subregions
Screen module region concatenation unit size shoots to obtain target figure for carrying out camera to display screen module region concatenation unit size
Picture.
Above-mentioned method, wherein the step (3) specifically includes:To obtaining x*x mesh by being shot according to step-length lighting
Logo image carries out image procossing to obtain mosaic display screen module area grayscale, wherein it is assumed that step-length is x.
Above-mentioned method, wherein the step (4) specifically includes:It calculates in mosaic display screen and divides adjacent display screen
The brightness correction coefficients of each edge display screen module in the splicing gap in module region are missed for correcting brightness with reference to supplement
Difference bright concealed wire of splicing caused by due to display screen splices gap.
Above-mentioned method, wherein the step (5) specifically includes:
Step (5.1)：It is aobvious using splicing to there are the displaying block rows of mosaic display screen bright block in shooting acquisition target image
Display screen bright block block line position in splicing gap side or per side mosaic display screen bright block calculate available gray-scale center range and
Display screen module element number obtains the module lamp bead spacing of corresponding mosaic display screen bright block；
Step (5.2)：It is aobvious using the both sides for being located at splicing gap in the displaying block row for choosing mosaic display screen bright block
Show the module lamp bead of the available gray-scale center range and display screen module element number and mosaic display screen bright block between bright block
Spacing obtains corresponding display screen module splicing gap spacing；
Step (5.3)：It is calculated using step (5.1) and (5.2) and obtains the module lamp bead spacing and display screen that show bright block
Module splices gap spacing by the above two pitch difference of acquisition according to effective brightness ratio coefficient adjustment contiguous concatenation gap
Edge module group unit luminance factor；
Step (5.4)：The edge module of the two neighboring displaying block row of the displaying block row of mosaic display screen bright block will be chosen
The average value of the gray scale intensities coefficient of display unit is as the splicing gap for showing bright phaeodium between two neighboring displaying block row
The correcting luminance coefficient of display unit.
Above-mentioned method, wherein chosen in the step (5.1) and be located at splicing in the displaying block row of mosaic display screen bright block
The side in gap or mosaic display screen bright block are two adjacent display bright blocks.
Above-mentioned method, wherein the displaying block row that mosaic display screen bright block is chosen in the step (5.2) is located at spelling
The display bright block of seam gap both sides is two display bright blocks of the both sides for being located at splicing gap.
Above-mentioned method, wherein the edge for choosing splicing gap in mosaic display screen bright block in the step (5.3) is aobvious
It is aobvious to show that correction coefficient AjustValue=[(Lx1+Lx2)/Lx2-1] x δ+1 of unit, wherein Lx1 represent corresponding selected splicing
The displaying block row display unit spacing of display screen bright block, Lx2 represent the splicing gap spacing of corresponding selected tiled display block row, δ
The interval value ranging from 0.5-0.81 empirical values of actual photographed adjustment, adjustment empirical value δ are subject to actual effect and obtain best effective
The correction coefficient of fruit.
Above-mentioned method, wherein the selection mosaic display screen unit is LED box or LED display lamp template die groups, display
Unit is LED light point.
The invention has the advantages that：
1, pass through camera according to particular step size lighting mode using the LED light point of spliced display screen such as LED display
Equipment shooting X*X (step-length * step-lengths) image, which is divided equally to synthesize according to edge analysis algorithm, is accurately spliced bright concealed wire brightness
Coefficient is modified；Avoid shoot multiple images calculate inaccurate problem；2, the present invention is in LED light point distance computation process
In, the region that bright concealed wire both sides are spliced for each calculates LED light point spacing, passes through the practical meter for calculating reduction lamp point spacing
Calculate error range；3, by showing that equal value coefficient carries out splicing bright concealed wire repairing to the full frame analysis of LED display, this process can relate to
And the problem of screen body uniformity compensation variation, and stitching portion progress bright concealed wire of the embodiment of the present invention only between concatenation unit is repaiied
It mends, the problem will not be introduced.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent upon.Identical label indicates identical part in whole attached drawings.Not deliberately proportionally
Draw attached drawing, it is preferred that emphasis is the purport of the present invention is shown.
Fig. 1 is that LED display lights schematic diagram by step-length in the prior art；
Fig. 2 is that screen body LED light point splices gap schematic diagram in the present invention；
Fig. 3 is the schematic diagram at the gray scale center that screen body LED light point meter shows bright block in the present invention；
Fig. 4 a, Fig. 4 b are the schematic diagram for shielding body LED light point lamp bead spacing in the present invention；
Fig. 5 a, Fig. 5 b are the schematic diagram for shielding body LED light point lamp bead splicing seams gap spacing in the present invention.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid with the present invention obscure, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Illustrate technical scheme of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this
Invention can also have other embodiment.
Embodiment 1
Referring to Fig.1 shown in-Fig. 5 b, the present invention provides a kind of correction LED display piece methods, include the following steps：
Step (1)：Determine the bright concealed wire area that the concatenation unit of mosaic display screen module is arranged alternately in the x and y directions
The size in domain, wherein step (1) include：Step (1.1)：Splice the bright concealed wire position of full frame formation according to LED display module
The LED display module entirely spliced is divided different equal subregions according to principle is uniformly distributed；Step (1.2)：According to splicing
Divided in display screen adjacent display screen module region concatenation unit size determine the concatenation unit of mosaic display screen module in X and
The size in the bright concealed wire region being arranged alternately in Y direction, wherein X and Y direction are to divide concatenation unit in mosaic display screen
Between splicing gap direction, bright concealed wire region includes multiple display screen module units.
Step (2)：Camera is carried out to the domain concatenation unit size in display screen module area to shoot to obtain target image, wherein walking
Suddenly (2) include：Step (2.1)：The LED display module that splicing is lighted by control lamp bead divides the multiple aobvious of different equal subregions
Display screen module region concatenation unit size shoots to obtain target for carrying out camera to display screen module region concatenation unit size
Image.
Step (3)：Target image is subjected to the gray scale that processing obtains mosaic display screen module region, wherein step (3) has
Body includes:To obtaining x*x target images progress image procossings by being shot according to step-length lighting to obtain mosaic display screen mould
Group area grayscale, wherein it is assumed that step-length is x.
Step (4)：Calculate each edge in the splicing gap that adjacent display screen module region is divided in mosaic display screen
The brightness correction coefficients of display screen module are for the spelling with reference to caused by supplementing and correct luminance errors due to display screen splices gap
Bright concealed wire is connect, wherein step (4) specifically includes:Calculate the splicing seams that adjacent display screen module region is divided in mosaic display screen
The brightness correction coefficients of each edge display screen module of gap are supplemented for reference corrects luminance errors because of display screen splicing seams
Gap and caused by the bright concealed wire of splicing.
Step (5)：The module lamp bead spacing and display screen module splicing gap spacing for calculating mosaic display screen bright block pass through
The above two pitch difference of acquisition according to the edge module group unit in effective brightness ratio coefficient adjustment contiguous concatenation gap brightness
Coefficient, wherein step (5) specifically include：Step (5.1)：To there are mosaic display screen bright blocks to show in shooting acquisition target image
Show block row, being calculated in the side in splicing gap or the mosaic display screen bright block per side using mosaic display screen bright block block line position is had
Effect gray scale center range and display screen module element number obtain the module lamp bead spacing of corresponding mosaic display screen bright block；Step
(5.2)：It is located in displaying block row using selection mosaic display screen bright block between the both sides display bright block in splicing gap
The module lamp bead spacing of available gray-scale center range and display screen module element number and mosaic display screen bright block is corresponded to
Display screen module splices gap spacing；Step (5.3)：It is calculated using step (5.1) and (5.2) and obtains the module lamp for showing bright block
Pearl spacing and display screen module splice gap spacing by the above two pitch difference of acquisition according to effective brightness ratio coefficient tune
The luminance factor of the edge module group unit in whole contiguous concatenation gap；Step (5.4)：The displaying block of mosaic display screen bright block will be chosen
The average value of the gray scale intensities coefficient of the edge module displays unit of capable two neighboring displaying block row is as two neighboring display
The correcting luminance coefficient of the display unit in the splicing gap of bright phaeodium is shown between block row.
In a preferred but unrestricted embodiment of the invention, the display of mosaic display screen bright block is chosen in step (5.1)
It is located at side or the mosaic display screen bright block in splicing gap in block row for two adjacent display bright blocks.
In a preferred but unrestricted embodiment of the invention, the display of mosaic display screen bright block is chosen in step (5.2)
The display bright block that block row is located at splicing gap both sides is two display bright blocks of the both sides for being located at splicing gap.
In a preferred but unrestricted embodiment of the invention, spelled in the selection mosaic display screen bright block in step (5.3)
Correction coefficient AjustValue=[(Lx1+Lx2)/Lx2-1] x0.5+1 of the edge display unit of seam gap, wherein Lx1 are represented
The displaying block row display unit spacing of corresponding selected mosaic display screen bright block, Lx2 represent corresponding selected tiled display block row
Splicing gap spacing, it is LED box or LED display lamp template die groups to choose mosaic display screen unit in the present invention, and display is single
Member is LED light point.The Application Example of the present invention presented below
Embodiment 2
A kind of the step of splicing bright concealed wire modification method：1. according to specified selection mosaic display screen concatenation unit and adjacent
Concatenation unit size determine the selection mosaic display screen concatenation unit and adjacent concatenation unit in X/Y axis directions weight
The size of multiple division regions module group unit of multiple bank row, it includes multiple display modules that wherein each, which divides region module group unit,
Unit；2. module lights multiple dividing regions on control selection mosaic display screen concatenation unit and adjacent display screen concatenation unit
Each in the module of domain divides multiple display units of the coordinate position of the specified X/Y of region module group unit for specified selection
Mosaic display screen concatenation unit and the adjacent concatenation unit obtain photographic subjects image, wherein specified choose mosaic display screen
It is to constitute a display bright block by multiple display module units that concatenation unit, which specifies the coordinate position of X/Y,；3. to the target figure
As carrying out image procossing to obtain the respective available gray-scale value range of corresponding multiple division regions module group unit；4. calculating the finger
Surely the gamma correction of mosaic display screen concatenation unit and each edge display unit in adjacent concatenation unit splicing gap is chosen
Coefficient bright concealed wire of splicing caused by for adjustment splicing gap.Utilize the display unit spacing and splicing gap spacing
Obtain the luminance factor of the edge display module unit in splicing gap；And being averaged two neighboring displaying block row correction coefficient
It is worth the brightness correction coefficients as the splicing gap display unit positioned at the two neighboring display bright block.
In conclusion the present invention is lighted using the LED light point of spliced display screen such as LED display according to particular step size
Mode, shooting X*X (step-length * step-lengths) image by camera apparatus, respectively synthesis is accurately spelled according to edge analysis algorithm
Bright concealed wire luminance factor is connect to be modified；Avoid shoot multiple images calculate inaccurate problem.In addition, the embodiment of the present invention
During LED light point distance computation, the region that bright concealed wire both sides are spliced for each calculates LED light point spacing, passes through reality
Border measuring and calculating reduces the calculating error range of lamp point spacing.In addition, by showing that equal value coefficient carries out to the full frame analysis of LED display
Splice bright concealed wire repairing, this process can be involved in the problems, such as that shielding body uniformity compensation is deteriorated, and the embodiment of the present invention is only single to splicing
Stitching portion between member carries out bright concealed wire repairing, will not introduce the problem.In the present invention, embodiment 1 and embodiment 2 are when spelling
Connect formula display screen be LED display when, concatenation unit is, for example, LED lamp panel or LED box；Of course, it should be understood that this
The spliced display screen of inventive embodiments is not limited to LED display, can also be that other pass through change edge display unit
Luminance parameter can correct the spliced LED display for splicing bright concealed wire.In addition, it is noted that previous embodiment 1 and reality
It is to correct the bright concealed wire of splicing, correspondingly, display unit above-mentioned to light single color LED light point in LED display to apply example 2
For single color LED light point, such as red LED lamp point, green LED lamp point or blue LED lamp point；But the present invention not as
Limit, can also with same gray level (such as grayscale 255) and meanwhile light in each LED pixel point in LED display it is all not
With color LED light point and make each LED pixel point same color be presented splice bright concealed wire amendment, such as full-color with RGB
For LED display, the RGB LED light points in each LED pixel point can be lighted with grayscale 255 makes it that white be presented, accordingly
Ground, display unit above-mentioned are single led pixel.
In conclusion LED light point of the above embodiment of the present invention using the spliced display screen such as LED display of design
Lighting mode, it is only necessary to which shooting an image can accurately be modified to splicing bright concealed wire；Existing method is avoided to clap
Taking the photograph multiple images makes LED light dot center calculate inaccurate problem.In addition, the embodiment of the present invention is in LED light point distance computation
In the process, for each stitching portion, the region that bright concealed wire both sides are spliced in selection calculates LED light point spacing, can further subtract
The calculating error of lampet point spacing.It carries out splicing bright concealed wire repairing by full frame analysis in addition, having method, it is uniform to introduce screen body
Property the problem of being deteriorated, and only stitching portion between concatenation unit carries out bright concealed wire repairing to the embodiment of the present invention, will not introduce this
Problem.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this field
It applies；Any technical person familiar with the field, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation
The technical spirit any simple modifications, equivalents, and modifications made to the above embodiment of the present invention, still fall within the present invention
In the range of technical solution protection.
Claims (10)
1. a kind of correction LED display piece method, which is characterized in that include the following steps：
Step (1)：Determine the bright concealed wire region that the concatenation unit of mosaic display screen module is arranged alternately in the x and y directions
Size；
Step (2)：Camera is carried out to the domain concatenation unit size in display screen module area to shoot to obtain target image；
Step (3)：Target image is subjected to the gray scale that processing obtains mosaic display screen module region；
Step (4)：The each edge for calculating the splicing gap for dividing adjacent display screen module region in mosaic display screen is shown
It is bright for the splicing with reference to caused by supplementing and correct luminance errors due to display screen splices gap to shield the brightness correction coefficients of module
Concealed wire；
Step (5)：The module lamp bead spacing and display screen module splicing gap spacing for calculating mosaic display screen bright block pass through acquisition
Above two pitch difference according to effective brightness ratio coefficient adjustment contiguous concatenation gap edge module group unit luminance factor.
2. a kind of correction LED display piece method as described in claim 1, which is characterized in that the step (1) includes：
Step (1.1)：The bright concealed wire position for splicing full frame formation according to LED display module is entire according to principle handle is uniformly distributed
The LED display module of splicing divides different equal subregions；
Step (1.2)：Determine that splicing is aobvious according to adjacent display screen module region concatenation unit size is divided in mosaic display screen
The size in the bright concealed wire region that the concatenation unit of display screen module is arranged alternately in the x and y directions, wherein X and Y direction are to spell
The direction in the splicing gap between dividing concatenation unit in display screen is connect, bright concealed wire region includes multiple display screen module units.
3. a kind of correction LED display piece method as claimed in claim 2, which is characterized in that the step (2) includes：
Step (2.1)：The LED display module that splicing is lighted by controlling lamp bead divides the different multiple display screen moulds for waiting subregions
Group region concatenation unit size shoots to obtain target image for carrying out camera to display screen module region concatenation unit size.
4. a kind of correction LED display piece method as claimed in claim 3, which is characterized in that the step (3) is specifically wrapped
It includes:To obtaining x*x target images progress image procossings by being shot according to step-length lighting to obtain mosaic display screen module area
Domain gray scale, wherein it is assumed that step-length is x.
5. a kind of correction LED display piece method as claimed in claim 4, which is characterized in that the step (4) is specifically wrapped
It includes:Calculate the bright of each edge display screen module in the splicing gap that adjacent display screen module region is divided in mosaic display screen
Correction coefficient is spent for the bright concealed wire of splicing with reference to caused by supplementing and correct luminance errors due to display screen splices gap.
6. a kind of correction LED display piece method as claimed in claim 5, which is characterized in that the step (5) is specifically wrapped
It includes:
Step (5.1)：Shooting is obtained in target image there are the displaying block row of mosaic display screen bright block, mosaic display screen is utilized
Bright block block line position calculates available gray-scale center range and display in the side in splicing gap or the mosaic display screen bright block per side
Screen module group unit quantity obtains the module lamp bead spacing of corresponding mosaic display screen bright block；
Step (5.2)：It is shown using the both sides for being located at splicing gap in the displaying block row for choosing mosaic display screen bright block bright
The module lamp bead spacing of available gray-scale center range and display screen module element number and mosaic display screen bright block between block
Obtain corresponding display screen module splicing gap spacing；
Step (5.3)：It is calculated using step (5.1) and (5.2) and obtains the module lamp bead spacing and display screen module that show bright block
Splice side of the gap spacing by the above two pitch difference of acquisition according to effective brightness ratio coefficient adjustment contiguous concatenation gap
The luminance factor of edge module group unit；
Step (5.4)：The edge module displays of the two neighboring displaying block row of the displaying block row of mosaic display screen bright block will be chosen
Display of the average value of the gray scale intensities coefficient of unit as the splicing gap for showing bright phaeodium between two neighboring displaying block row
The correcting luminance coefficient of unit.
7. a kind of correction LED display piece method as claimed in claim 6, which is characterized in that choosing in the step (5.1)
It is adjacent two to take the side for being located at splicing gap in the displaying block row of mosaic display screen bright block or mosaic display screen bright block
Show bright block.
8. a kind of correction LED display piece method as claimed in claim 6, which is characterized in that choosing in the step (5.2)
It is to be located at splicing gap to take the displaying block row of mosaic display screen bright block to be located at the display bright block of splicing gap both sides
Two display bright blocks of both sides.
9. a kind of correction LED display piece method as claimed in claim 6, which is characterized in that in the step (5.3)
Choose mosaic display screen bright block in splicing gap edge display unit correction coefficient AjustValue=[(Lx1+Lx2)/
Lx2-1] x δ+1, the displaying block row display unit spacing of the corresponding selected mosaic display screen bright block of wherein Lx1 representatives, Lx2 representatives
The splicing gap spacing of corresponding selected tiled display block row, the interval value ranging from 0.5-0.81 experiences of δ actual photographeds adjustment
Value.
10. a kind of correction LED display piece method as described in claim 1-9, which is characterized in that the selection splicing is aobvious
Display screen unit is LED box or LED display lamp template die groups, and display unit is LED light point.
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671388A (en) * | 2019-01-22 | 2019-04-23 | 利亚德光电股份有限公司 | The acquisition methods and device of correction data |
| CN110197639A (en) * | 2019-05-17 | 2019-09-03 | 海纳巨彩(深圳)实业科技有限公司 | A kind of brightness control system for small space distance LED display screen |
| CN110264519A (en) * | 2019-06-06 | 2019-09-20 | 深圳市灵星雨科技开发有限公司 | A kind of LED screen lamp bead recognition methods and device and equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09293138A (en) * | 1996-04-26 | 1997-11-11 | Matsushita Electric Ind Co Ltd | Method for detecting straight line of weak contrast |
| JP2006349713A (en) * | 2005-06-13 | 2006-12-28 | Seiko Epson Corp | Projector |
| CN103578429A (en) * | 2013-11-01 | 2014-02-12 | 深圳市奥拓电子股份有限公司 | LED display screen system and rectifying method for bright and dark lines thereof |
| CN104915922A (en) * | 2015-06-25 | 2015-09-16 | 西安诺瓦电子科技有限公司 | Splicing bright-dark line correction method |
| CN104916256A (en) * | 2015-06-25 | 2015-09-16 | 西安诺瓦电子科技有限公司 | Splicing bright-dark line correction method |
| CN105321469A (en) * | 2015-11-12 | 2016-02-10 | 西安诺瓦电子科技有限公司 | Splicing bright and dark lines correcting method |
-
2018
- 2018-05-13 CN CN201810452589.7A patent/CN108630142A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09293138A (en) * | 1996-04-26 | 1997-11-11 | Matsushita Electric Ind Co Ltd | Method for detecting straight line of weak contrast |
| JP2006349713A (en) * | 2005-06-13 | 2006-12-28 | Seiko Epson Corp | Projector |
| CN103578429A (en) * | 2013-11-01 | 2014-02-12 | 深圳市奥拓电子股份有限公司 | LED display screen system and rectifying method for bright and dark lines thereof |
| CN104915922A (en) * | 2015-06-25 | 2015-09-16 | 西安诺瓦电子科技有限公司 | Splicing bright-dark line correction method |
| CN104916256A (en) * | 2015-06-25 | 2015-09-16 | 西安诺瓦电子科技有限公司 | Splicing bright-dark line correction method |
| CN105321469A (en) * | 2015-11-12 | 2016-02-10 | 西安诺瓦电子科技有限公司 | Splicing bright and dark lines correcting method |
Cited By (29)
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| CN110197639A (en) * | 2019-05-17 | 2019-09-03 | 海纳巨彩(深圳)实业科技有限公司 | A kind of brightness control system for small space distance LED display screen |
| CN110264519A (en) * | 2019-06-06 | 2019-09-20 | 深圳市灵星雨科技开发有限公司 | A kind of LED screen lamp bead recognition methods and device and equipment |
| CN110264519B (en) * | 2019-06-06 | 2023-05-02 | 深圳市灵星雨科技开发有限公司 | LED screen lamp bead identification method, device and equipment |
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| CN112289209B (en) * | 2020-10-20 | 2022-08-23 | 长春希达电子技术有限公司 | LED display box body and display screen abutted pixel interval brightness correction method |
| US11967261B2 (en) | 2020-10-27 | 2024-04-23 | Boe Technology Group Co., Ltd. | Method and device for adjusting white balance of spliced screen, electronic device and storage medium |
| CN112802425A (en) * | 2020-11-03 | 2021-05-14 | 长春希达电子技术有限公司 | Staggered optical gap correction method for LED display unit |
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