CN105355167B - LED correction coefficient data merging methods - Google Patents
LED correction coefficient data merging methods Download PDFInfo
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- CN105355167B CN105355167B CN201510776915.6A CN201510776915A CN105355167B CN 105355167 B CN105355167 B CN 105355167B CN 201510776915 A CN201510776915 A CN 201510776915A CN 105355167 B CN105355167 B CN 105355167B
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Abstract
The present invention relates to a kind of LED correction coefficient datas merging method, including：(a) arrangement position and identifier of multiple units to be combined are obtained；(b) for each unit to be combined, calculate starting of the correction coefficient data block after merging in Integral correction coefficient data block using the size of the correction coefficient data block corresponding to the identifier of the unit to be combined read and the arrangement position of unit to be combined and terminate pixel ranks number；(c) correspondence position after the correction coefficient data block according to corresponding to originating and termination pixel ranks number are by the identifier of each unit to be combined is filled to merging in Integral correction coefficient data block；And Integral correction coefficient data block after merging is preserved to database and/or is uploaded to target LED display by (d).Therefore, the present invention allow user by multiple correction databases be quickly merged into it is single in order, the database that includes correction coefficient needed for whole, avoid unnecessary pointwise correction process again, meet particular scene application.
Description
Technical field
The invention belongs to LED to show alignment technique field, more particularly to a kind of LED correction coefficient datas merging method.
Background technology
In recent years, with the fast development of LED display manufacturing, LED display is almost in all city squares, business
Industry center is all seen everywhere, and user is in order to obtain more preferable vision viewing effect, also uniform to the bright chroma of LED display
Uniformity proposes requirements at the higher level, and this also forces LED display being had to before dispatching from the factory, after on-site consolidation by pointwise correction,
And pointwise correction process whole lamp point calibration coefficients can be uploaded in point-to-point fashion LED box receive card in be used for improve it is bright
Evenness uniformity effect, while correction coefficient can be preserved again to database and stay standby rear use.
At present, because LED display correct application occasion becomes to become increasingly complex various, scene is it is possible that following feelings
Condition：1) LED box preserves a casing database by the correction of casing one by one before dispatching from the factory (database is distinguished with casing ID and deposited
Store up correction coefficient) or multiple casing databases are preserved, and at the scene possibly also with all or part of casing by random assembled
Into LED display, now to correspond the way for uploading correction coefficient has：Corresponding data is searched according to casing ID one by one
Storehouse correction coefficient uploads again, otherwise setting up camera again carries out the whole screen correction in scene, all very time-consuming consumption of both certain ways
Power；If 2) LED display resolution ratio is excessive, single control system can not once all with carry, just have to pass through split screen correction and
Multiple databases (each database preserves a Subarea calibration coefficient) are preserved, and now scene uploads full frame correction if desired
Coefficient, otherwise then correspondence database can only be loaded into upload coefficient by subregion, otherwise setting up camera again carries out the whole screen school in scene
Just, both ways are also to take time and effort very much certainly.Above-mentioned particular case or analogue propose a demand, will be multiple
Correction database quickly merges into one in order and includes the database of correction coefficient needed for whole.
The content of the invention
Therefore, it is single orderly for being merged into multiple correction databases easily and fast in LED display field application
And the demand of the database comprising correction coefficient needed for whole, the present invention propose a kind of LED correction coefficient datas merging method.
Specifically, a kind of LED correction coefficient datas merging method that the embodiment of the present invention proposes, including step：(a) obtain
The arrangement position and identifier of multiple units to be combined；(b) for unit to be combined each described, described in reading
The arrangement of the size of correction coefficient data block corresponding to the identifier of unit to be combined and the unit to be combined
Position calculate starting pixels point ranks number of the correction coefficient data block after merging in Integral correction coefficient data block and
Terminate pixel ranks number；(c) the starting pixels point ranks number and terminate pixel ranks number by each institute that basis calculates
State Integral correction coefficient number after the correction coefficient data block corresponding to the identifier of unit to be combined is filled to the merging
According to the correspondence position in block to obtain Integral correction coefficient data block after the merging；And (d) by overall school after the merging
Positive coefficient data block preserves to database and/or Integral correction coefficient data block after the merging is uploaded into target LED and shows
Screen.
In one embodiment of the invention, the step (a) includes：According to the multiple unit to be combined of drafting
Topological diagram obtains the arrangement position of the multiple unit to be combined；And for unit to be combined each described, according to loading
The identifier comprising the unit to be combined corresponding to correction coefficient data block file acquisition described in list to be combined
The identifier of member.
In one embodiment of the invention, in the step (a), the resolution sizes of the multiple unit to be combined
It is identical.
In one embodiment of the invention, in the step (a), the resolution sizes of the multiple unit to be combined
Differ.
In one embodiment of the invention, the multiple unit to be combined is multiple LED lamp panels.
In one embodiment of the invention, the multiple unit to be combined is multiple LED boxes.
In one embodiment of the invention, the multiple unit to be combined is multiple subregions of same LED display.
In one embodiment of the invention, in the step (b), the size of the correction coefficient data block is with described
The ranks number of multiple pixels corresponding to correction coefficient data block represents.
In one embodiment of the invention, the step (d) includes：By Integral correction coefficient data block after the merging
Preserve to same database.
In one embodiment of the invention, the step (d) includes：By Integral correction coefficient data block after the merging
At most individual database is preserved in order；Wherein, each database in the multiple database preserves entirety after the merging
Partial data and the partial data in correction coefficient data block include the identification of at least two units to be combined
Correction coefficient data block corresponding to number.
From the foregoing, it will be observed that the embodiment of the present invention can reach following one or more beneficial effects：1) User Defined is allowed
Multiple correction coefficient data storehouses are carried out with any splicing to merge, meets particular scene application；2) avoiding scene, some are unnecessary
The cumbersome pointwise correction process for setting up camera, building environment；And 3) merging process is convenient and swift, it is timely to save human and material resources
Between consuming.
By the detailed description below with reference to accompanying drawing, other side of the invention and feature become obvious.But it should know
Road, the accompanying drawing is only the purpose design explained, not as the restriction of the scope of the present invention, because it should refer to
Appended claims.It should also be noted that unless otherwise noted, it is not necessary to which scale accompanying drawing, they only try hard to concept
Ground illustrates structure and flow described herein.
Brief description of the drawings
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
Fig. 1 is a kind of topological diagram for the multiple units to be combined for being relevant to the embodiment of the present invention.
Fig. 2 is another topological diagram for the multiple units to be combined for being relevant to the embodiment of the present invention.
Fig. 3 is to be relevant to a kind of multiple LED box database combinings of the embodiment of the present invention into the software of full frame database
Interface schematic diagram.
Fig. 4 is to be relevant to a kind of multiple display screen subsection database combinings of the embodiment of the present invention into the soft of full frame database
Part interface schematic diagram.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.
Carried out below in conjunction with a kind of Fig. 1 to Fig. 4 LED correction coefficient datas merging methods proposed to the embodiment of the present invention
Describe in detail：
First, the arrangement position and identifier of multiple units to be combined are obtained.Concretely：It is intended to build according to scene or
Build multiple display units (subsequently be referred to as unit to be combined) of LED display arrangement mode and number on software interface
The topological diagram of multiple units to be combined is drawn out, can thus obtain the arrangement position of each unit to be combined.It is here, topological
The resolution sizes of multiple units to be combined in figure, namely pixel number on width and short transverse can be with identical, example
2*2 as shown in Figure 1 amounts to 4 units to be combined；It can also differ, such as 8 shown in Fig. 2 unit to be combined.In addition,
Shown multiple units to be combined can be multiple subregions of multiple LED lamp panels, multiple LED boxes or same LED display.
In addition, after the topological diagram of multiple units to be combined is drawn out, user can choose one by one each unit to be combined and load with
The corresponding database file of the identifier of the unit to be combined chosen, by the unit to be combined chosen and the database of loading
File association gets up, consequently facilitating subsequently reading the correction coefficient data block in corresponding database file；Herein, the number of loading
Title according to library file can be the identifier name with corresponding unit to be combined.Furthermore software can be in foregoing loading
The identifier of each unit to be combined is obtained after corresponding database file, can also be by manually directly inputting acquisition.
Then, for each unit to be combined, the list to be combined read in database file corresponding to slave phase is utilized
The size of correction coefficient data block and the arrangement position of unit to be combined corresponding to the identifier of member calculate the correction system
Number data blocks the starting pixels point ranks number in Integral correction coefficient data block and terminate pixel ranks number after merging.This reality
Apply in example, the correction coefficient data block corresponding to the identifier of each unit to be combined is stored in corresponding database file
In, its size is typically represented with the ranks number of multiple LED pixel points corresponding to the correction coefficient data block, and its
Can be the brightness correction coefficients of multiple LED pixel points or multiple for the correction coefficient data of multiple LED pixel points
The bright chroma correction coefficient of LED pixel point；Correction coefficient is, for example, to be according to each correction in the storage mode of database file
The ranks number of the respective corresponding LED pixel point of number sequentially store；By taking RGB three-primary color LED pixels point as an example, single led pixel
The bright chroma correction coefficient of point for example comprising nine correction coefficient components (it includes three brightness correction coefficients components), each
This nine correction coefficient components of LED pixel point for example all put in order according to identical to be stored.
Afterwards, the overall school after merging of the correction coefficient data block corresponding to the identifier of each unit to be combined is being obtained
After starting pixels point ranks number and termination pixel ranks number in positive coefficient data block, according to the starting pixels point row calculated
Row number and terminate pixel ranks number by the correction coefficient data block corresponding to the identifier of each unit to be combined fill to
Correspondence position after merging in Integral correction coefficient data block, with Integral correction coefficient data block after being merged whereby.
Then, Integral correction coefficient data block is preserved to database after the merging that will be obtained after filling.Concretely：
A newly-built database simultaneously preserves Integral correction coefficient data block after merging to the single database.Or according to user
Self-defined newly-built multiple databases, the correction coefficient data block corresponding to unit to be combined, namely overall school after merging will be specified
Partial data in positive coefficient data block, preserve in order to the multiple database.Here, preserve at most individual database
Correction coefficient data in each database includes the correction coefficient data block corresponding at least multiple units to be combined.
In the present embodiment, this correction database, which merges, can be applied to a variety of occasions, such as multiple LED casees shown in Fig. 3
Volume data storehouse is merged into full frame database, the multiple partitioned data bases of display screen shown in Fig. 4 are merged into full frame database etc..
Specifically, in figure 3, software interface shows four units to be combined, its identifier be respectively A-001, A-002,
A-003 and A-004, corresponding arrangement position are that the 1st row the 1st row, the 1st row the 2nd row, the 2nd row the 1st row and the 2nd row the 2nd arrange,
The resolution sizes of each unit to be combined are 128*128, Integral correction coefficient data block after its corresponding obtained merging
Resolution sizes be 256*256, therefore unit A-001 to be combined correction coefficient data block Integral correction after merging respectively
Starting pixels point ranks number in coefficient data block and terminate pixel ranks number be respectively [1,1] and [128,128], it is to be combined
Unit A-002 correction coefficient data block respectively after merging the starting pixels point ranks number in Integral correction coefficient data block and
It is respectively [1,129] and [128,256], unit A-003 to be combined correction coefficient data block difference to terminate pixel ranks number
The starting pixels point ranks number in Integral correction coefficient data block and termination pixel ranks number are respectively [129,1] after merging
[256,128] and unit A-004 to be combined correction coefficient data block Integral correction coefficient data block after merging respectively
In starting pixels point ranks number and to terminate pixel ranks number be respectively [129,129] and [256,256].
In Fig. 4, software interface shows that four units to be combined, namely four display screen subsections, its identifier are respectively
1st, 2,3 and 4, corresponding database file is respectively 1.db, 2.db, 3.db and 4.db；The resolution ratio of each unit to be combined
Size is 256*256, and the resolution sizes of Integral correction coefficient data block are 512*512 after its corresponding obtained merging, because
The correction coefficient data block of this unit 1 to be combined distinguishes the starting pixels point ranks in Integral correction coefficient data block after merging
Number and to terminate pixel ranks number be respectively that [1,1] and [256,256], the correction coefficient data block of unit to be combined 2 exist respectively
Starting pixels point ranks number after merging in Integral correction coefficient data block and terminate pixel ranks number be respectively [1,257] and
[256,512], the correction coefficient data block of unit 3 to be combined distinguishes the starting picture in Integral correction coefficient data block after merging
Vegetarian refreshments ranks number and termination pixel ranks number are respectively the correction system of [257,1] and [512,256] and unit to be combined 4
Several data blocks distinguish the starting pixels point ranks number in Integral correction coefficient data block after merging and terminate pixel ranks number
Respectively [257,257] and [512,512].
Finally, Integral correction coefficient data block after merging is uploaded to target LED display, namely waits to close by the multiple
And unit spliced into LED display stored, in order to the control of the target LED display subsequently in video display process
System carries out brightness and/or bright chroma using Integral correction coefficient data block after the merging for uploading and preserving to Visual Display Data
Correction, and then lift the show uniformity of LED display.
It is, of course, understood that in other embodiments, can also be direct by Integral correction coefficient data block after merging
Target LED display is uploaded to, without preserving into database.
In summary, the embodiment of the present invention can reach following one or more beneficial effects：1) User Defined is allowed
Multiple correction coefficient data storehouses are carried out with any splicing to merge, meets particular scene application；2) avoiding scene, some are unnecessary
The cumbersome pointwise correction process for setting up camera, building environment；And 3) merging process is convenient and swift, it is timely to save human and material resources
Between consuming.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of LED correction coefficient datas merging method, it is characterised in that including step：
(a) according to be intended to build or built target LED display multiple units to be combined arrangement mode and number draw out
The topological diagram of the multiple unit to be combined is to obtain the arrangement position of each unit to be combined, and chooses open up one by one
The multiple unit to be combined flutterred in figure and the corresponding database file of identifier for loading the unit to be combined with choosing
So that the unit to be combined chosen to be associated with the database file loaded；
(b) for unit to be combined each described, the list to be combined read from the database file of loading is utilized
The size of correction coefficient data block corresponding to the identifier of member and the arrangement position of the unit to be combined calculate
Go out starting pixels point ranks number of the correction coefficient data block after merging in Integral correction coefficient data block and terminate pixel
Point ranks number, wherein the correction coefficient data block is the correction coefficient data of multiple LED pixel points, and the correction coefficient number
According to for brightness correction coefficients or bright chroma correction coefficient；
(c) the starting pixels point ranks number and terminate pixel ranks number by each unit to be combined that basis calculates
Corresponding position after correction coefficient data block corresponding to the identifier is filled to the merging in Integral correction coefficient data block
Put to obtain Integral correction coefficient data block after the merging；And
(d) Integral correction coefficient data block after the merging is preserved to database and/or by Integral correction system after the merging
Number data block is uploaded to the target LED display.
2. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that in the step (a), institute
The resolution sizes for stating multiple units to be combined are identical.
3. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that in the step (a), institute
The resolution sizes for stating multiple units to be combined differ.
4. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that the multiple unit to be combined
For multiple LED lamp panels.
5. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that the multiple unit to be combined
For multiple LED boxes.
6. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that the multiple unit to be combined
For multiple subregions of same LED display.
7. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that in the step (b), institute
The size for stating correction coefficient data block represents with the ranks number of the multiple LED pixel point of the correction coefficient data block,
Correction coefficient data the storage mode of the database file of the loading be according to corresponding LED pixel point ranks number according to
Sequence stores.
8. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that the step (d) includes：Will
Integral correction coefficient data block is preserved to same database after the merging.
9. LED correction coefficient datas merging method as claimed in claim 1, it is characterised in that the step (d) includes：Will
Integral correction coefficient data block preserves at most individual database in order after the merging；Wherein, it is every in the multiple database
Partial data and the partial data after one database preservation merging in Integral correction coefficient data block include at least
Correction coefficient data block corresponding to the identifier of two units to be combined.
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| CN106373497B (en) * | 2016-11-21 | 2019-01-29 | 西安诺瓦电子科技有限公司 | The method for realizing LED box replacement LED module |
| CN110890054B (en) * | 2018-09-07 | 2021-11-23 | 杭州海康威视数字技术股份有限公司 | LED display screen adjusting method and device, electronic equipment and storage medium |
| CN114299856A (en) * | 2021-12-29 | 2022-04-08 | 卡莱特云科技股份有限公司 | Correction coefficient processing method and device for LED display screen |
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