CN109658862A - A kind of LED box bright chroma bearing calibration and correction system - Google Patents
A kind of LED box bright chroma bearing calibration and correction system Download PDFInfo
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- CN109658862A CN109658862A CN201811623694.9A CN201811623694A CN109658862A CN 109658862 A CN109658862 A CN 109658862A CN 201811623694 A CN201811623694 A CN 201811623694A CN 109658862 A CN109658862 A CN 109658862A
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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]
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Abstract
The present invention relates to LED box bright chroma alignment technique field more particularly to a kind of LED box bright chroma bearing calibration and correction systems.LED box bright chroma bearing calibration of the invention, benchmark cabinet is extracted including (1), (2) benchmark cabinet list case corrects, (3) LED display splices, (4) basis box correction coefficient is imported, (5) photographic analysis generates whole screen correction coefficient, LED box bright chroma bearing calibration of the invention, benchmark cabinet is chosen as benchmark, whole screen correction coefficient file corresponding with cabinet is corrected then is generated according to the basis box correction coefficient file analysis of the benchmark cabinet of importing, the bright chroma difference between LED box to eliminate any batch, it realizes mixed between any batch LED box.LED box bright chroma of the invention corrects system, including benchmark cabinet, is corrected cabinet, bright chroma acquisition terminal, control processing terminal, realizes the bright chroma correction between LED box.
Description
Technical field
The present invention relates to LED box bright chroma alignment technique field more particularly to a kind of LED box bright chroma bearing calibrations
And correction system.
Background technique
Due to discreteness of the discreteness of LED light tube, Decay Rate and circuit components etc., LED display exists
Brightness and the inconsistent phenomenon of coloration, this will seriously affect display quality.In order to overcome LED display brightness, coloration non-homogeneous
Property problem, pointwise correction technology is come into being, and is quickly grown, and can improve the uniformity of LED display significantly, is improved aobvious
Show quality.Be not roughly divided into two kinds compared with alignment technique according to application: one is correcting on production line by case, i.e.,
Cabinet correction；Another kind corrects for the large-size screen monitors at scene, since large-size screen monitors are corrected by site environment complicated and changeable and strange land technology
The limitation of support hardly results in extensive use.And cabinet correction will not generate view angle uniformity difference, correct and have compared to large-size screen monitors
There is significant advantage.And it is mainly the brightness and colour difference eliminated between box house and cabinet that existing cabinet, which corrects its purpose,
It is different, it can significantly improve the display quality of LED display after splicing.Cabinet alignment technique has gradually become LED box and had manufactured
Indispensable important link in journey, development is extremely rapid, and the correction of existing cabinet still has some problems:
The cabinet of the generally existing multiple batches of light tone difference of LED display industry uses situation with, and currently used list case correction is only
It can solve the light tone difference problem of box house, the light tone difference between cabinet can not solve；Such as: application No. is
201410292607.1 the middle promulgated by the State Council of entitled LED display bright chroma bearing calibration and LED box bright chroma bearing calibration
Bright patent；
Single case correction of the prior art either acquires bright chroma information, acquisition essence using industrial camera or slr camera
Degree all fails to meet production requirements, and needs the precision of third party device calibration for cameras data, or demarcate phase using Calibrating source
Machine, however this method is taken pictures every time in the single cabinet timing of progress there are still difference in exposure, and the LED case acquired every time is caused
There are environmental errors for bright chroma information between body；Such as: application No. is 201610077983.8, entitled LED display module is equal
The Chinese invention patent of even property bearing calibration.
Summary of the invention
It is an object of the present invention to provide a kind of LED box bright chroma bearing calibrations, choose benchmark cabinet as base
Standard, at the same acquire benchmark cabinet and be corrected box body splicing at LED display bright chroma information, according to the basis box of importing
The basis box correction coefficient of body generates whole screen correction coefficient file corresponding with cabinet is corrected and saves and is corrected to corresponding
Cabinet is completed to be corrected the correction of cabinet, to eliminate bright chroma otherness between the LED boxes of different batches, realizes and appoints
It is mixed between batch LED box of anticipating.The present invention also provides a kind of LED box bright chroma correction systems, it can be achieved that LED box
Between bright chroma correction, guarantee the display quality for the LED display that the LED box of any batch is spliced into.
To achieve the goals above, the present invention provides a kind of LED box bright chroma bearing calibrations, comprising the following steps:
(1) in LED box, one or more LED boxes are extracted as correction reference cabinet, remaining LED box is quilt
Correct cabinet；
(2) single case correction is carried out to one or more benchmark cabinets that step (1) is extracted, and corresponds to and saves basis box correction
Coefficient files；
(3) benchmark cabinet and box body splicing will be corrected into LED display；
(4) the corresponding basis box correction coefficient file of benchmark cabinet in steps for importing (3) for LED display splicing；
(5) LED display bright chroma information is acquired, according to the generation of the basis box correction coefficient of the benchmark cabinet of importing and quilt
The corresponding whole screen correction coefficient file of correction cabinet simultaneously saves, and completes the correction for being corrected cabinet.
Further, a benchmark cabinet and one are corrected box body splicing into a LED display in step (3).
Further, the bearing calibration of LED box bright chroma further includes that step (6) repetition step (3) to step (5) completion is more
A correction for being corrected cabinet.
Further, multiple LED boxes are extracted as correction reference cabinet in LED box in step (1)；Multiple bases
It is poor without light tone between quasi- cabinet；Multiple benchmark cabinets in turn replacement operation as in step (3) be corrected box body splicing
Benchmark cabinet.
Further, in step (3), benchmark cabinet is placed in correction station with being corrected together with cabinet and is connected by cable
It connects, and then is spliced into LED display.
Further, step (2) benchmark cabinet list case correction the following steps are included:
(21) it creates single case and corrects engineering；
(22) camera view, in which: viewfinder area must not exceed monitoring frame；
(23) survey light is carried out to three color of red, green, blue respectively, adjusts camera parameter；
(24) it takes pictures to benchmark cabinet；
(25) it analyzes, generate correction coefficient file, and save.
Further, step (25) specifically includes:
(251) it is calculated according to the bright chroma data of benchmark cabinet of camera acquisition and the difference of bright chroma correction target value
The basis box correction coefficient of benchmark cabinet；
(252) the cabinet title of benchmark cabinet is associated with calculated basis box correction coefficient and generates basis box correction system
Number file；
(253) basis box correction coefficient file to benchmark cabinet is sent to be stored.
A kind of LED box bright chroma bearing calibration of the invention, has the advantages that
1, LED box bright chroma bearing calibration of the invention, choose benchmark cabinet as benchmark, while to benchmark cabinet with
Be corrected box body splicing at LED display take pictures and acquire whole screen bright chroma information, then according to the base of the benchmark cabinet of importing
Quasi- case correction coefficient file analysis generates whole screen correction coefficient file corresponding with cabinet is corrected and saves to corresponding by school
Positive cabinet is completed to be corrected the correction of cabinet, so that the bright chroma difference between eliminating the LED box of any batch, realizes
It is mixed between any batch LED box.
2, LED box bright chroma bearing calibration of the invention carries out single case school to one or more benchmark cabinets of extraction
Just, to realize the box house bright chroma uniformity of benchmark cabinet；When benchmark cabinet is multiple, to ensure that benchmark
Again without bright chroma difference between lamp point between cabinet；The high consistency of bright chroma between benchmark cabinet lamp point, and then ensure that each quilt
Correct the consistency of mutual bright chroma after cabinet corrects.
3, LED box bright chroma bearing calibration of the invention chooses multiple LED boxes as benchmark cabinet, each benchmark
Cabinet is worked by turns, and when so as to avoid being largely corrected cabinet and be corrected, using same benchmark cabinet operation, leads to the base
Quasi- spin manifold temperature increases, and influences the accuracy of correction.
4, LED box bright chroma bearing calibration of the invention demarcates phase without using third party device or Calibrating source
Machine is taken pictures when acquiring bright chroma information using benchmark cabinet as basis box there is no the interference of the external environments such as exposure error, from
And ensure that the high consistency for being corrected bright chroma after cabinet correction of any batch, and then further improve any batch
The mixed LED display being spliced into of LED box display quality.
The present invention also provides a kind of LED box bright chromas using above-mentioned LED box bright chroma bearing calibration to correct system
System, including benchmark cabinet, be corrected cabinet, bright chroma acquisition terminal, control processing terminal, in which: benchmark cabinet be corrected
Cabinet electrical connection, is spliced into LED display；Bright chroma acquisition terminal is electrically connected with control processing terminal, is shown for acquiring LED
The whole screen bright chroma information of screen is simultaneously transmitted to the storage of control processing terminal and/or analysis；It controls processing terminal and is corrected cabinet
Electrical connection, for importing the basis box correction coefficient file of benchmark cabinet and according to basis box correction coefficient and LED display
Whole screen bright chroma data, which generate the whole screen correction coefficient file for being corrected cabinet and are transmitted to, is corrected cabinet preservation and application.
Further, benchmark cabinet is furnished with for receiving and the first receiving device of Memory Reference case correction coefficient file；
Cabinet is corrected equipped with the second receiving device for receiving and storing whole screen correction coefficient file；Processing terminal is controlled with useful
In the whole screen correction coefficient file of transmission to the sending device for being corrected cabinet.
Further, bright chroma acquisition terminal is camera；Control processing terminal is PC machine.
LED box bright chroma of the invention corrects system, realizes the bright chroma correction between any batch LED box,
It ensure that the LED box of any batch has been spliced into the display quality of LED display, to realize any batch LED box
Between it is mixed.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art in order to clearer, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it is clear that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the step flow chart of LED box bright chroma bearing calibration of the invention；
Fig. 2 is the step flow chart of benchmark cabinet list case of the present invention correction；
Fig. 3 is the basis box correction coefficient file generated flow chart of benchmark cabinet of the invention；
Fig. 4 is the arrangement schematic diagram that LED box bright chroma of the invention corrects system；
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution in the embodiment of the present invention carry out it is clear, completely retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those skilled in the art's all other reality obtained without making creative work
Example is applied, protection scope of the present invention is belonged to.
As shown in Figure 1, a kind of LED box bright chroma bearing calibration of the embodiment of the present invention, comprising the following steps:
Step S1: in LED box, one or more LED boxes are extracted as correction reference cabinet, remaining LED box
To be corrected cabinet.Specifically, choosing one or more LED box in the LED box of same batch as correction reference case
Body, the remaining LED box of different batches are to be corrected cabinet；Preferably, in same batch LED box, multiple LED boxes are extracted
It is poor without light tone between multiple benchmark cabinets as correction reference cabinet, i.e., it is poor without light tone between multiple benchmark cabinet entirety；Multiple bases
Quasi- cabinet in turn replacement operation as in step S3 with the benchmark cabinet that is corrected box body splicing, so as to avoid largely by school
When positive cabinet is corrected, using same benchmark cabinet operation, the benchmark spin manifold temperature is caused to increase, to influence the standard of correction
True property.
Step S2: single case correction is carried out to one or more benchmark cabinets that step S1 is extracted, and corresponds to and saves basis box
Correction coefficient file is received to corresponding benchmark cabinet to be blocked.Specifically, although light tone is not present between multiple benchmark cabinet entirety
Difference is spent, but uneven in each lamp point bright chroma of benchmark box house, it is therefore desirable to carry out the benchmark cabinet list case school of step S2
Just, after the correction of single case, multiple benchmark cabinets have corresponding different correction coefficient file, and light tone between lamp point between each cabinet
Spend indifference again.
Step S3: by benchmark cabinet and box body splicing is corrected into LED display.Specifically, a benchmark cabinet and one
A cabinet that is corrected is placed in correction station together and is connected by cable, a LED display is spliced into, with benchmark cabinet work
On the basis of carry out the correction for being corrected cabinet, guarantee residue be corrected cabinet bright chroma it is consistent with benchmark cabinet bright chroma,
Then the bright chroma realized between any batch LED box is consistent；Benchmark cabinet is wanted with the sequence nothing of putting for being corrected cabinet
It asks, can control, is right left, upper and lower, lower upper.It certainly, on the basis of the present invention can also be using multiple benchmark cabinets and more
A box body splicing that is corrected realizes multiple corrections while be corrected cabinet, also belongs to present invention protection model at LED display
It encloses.
Step S4: the corresponding basis box correction coefficient text of benchmark cabinet in steps for importing S3 for LED display splicing
Part.Generation those skilled in the art of basis box correction coefficient file can realize according to the prior art, naturally it is also possible to voluntarily set
It counts various parsers or is realized based on software, the present invention is not specifically limited.
Step S5: taking pictures and acquire LED display bright chroma information, according to the basis box correction coefficient of the benchmark cabinet of importing
It generates whole screen correction coefficient file corresponding with cabinet is corrected and saves to the corresponding cabinet that is corrected and receive card storage and answer
With completion is corrected the correction of cabinet.Specifically, computer terminal/PC machine imports corresponding basis box correction coefficient file (benchmark
Case correction coefficient file includes basis box correction coefficient, the title of corresponding benchmark cabinet, receives the information such as card number), and control
Camera takes pictures to LED display, is based on image analytical method, analyzes the photo benchmark cabinet collected of shooting and is corrected
The bright chroma information of cabinet, using benchmark cabinet as benchmark, the basis box correction coefficient of the benchmark cabinet based on importing generates whole
Shield correction coefficient file, so that the whole screen of the LED display being spliced into, without bright chroma difference, the whole screen correction coefficient file of generation is deposited
The corresponding cabinet that is corrected is stored up to receive card (whole screen correction coefficient file may include whole screen correction coefficient, corresponding be corrected case
The title of body receives the information such as card card number)；It can be seen that cabinet same ought be corrected using different benchmark cabinets as base
On time, due to the difference of the basis box correction coefficient of benchmark cabinet, the whole screen correction coefficient generated is also different；This
Case preferably chooses multiple benchmark cabinets, is corrected operation in turn, thus it is each be corrected cabinet and have it is respectively corresponding
Whole screen correction coefficient.
Step S6: it repeats step S3 to step S5 and completes multiple corrections for being corrected cabinet.
LED box bright chroma bearing calibration of the invention, choose benchmark cabinet as benchmark, while to benchmark cabinet and by
Correction box body splicing at LED display take pictures and acquire whole screen bright chroma information, then according to the benchmark of the benchmark cabinet of importing
Case correction coefficient file analysis generates whole screen correction coefficient file corresponding with cabinet is corrected and saves and is corrected to corresponding
Cabinet is completed to be corrected the correction of cabinet, so that the bright chroma difference between eliminating the LED box of any batch, realizes and appoint
It is mixed between batch LED box of anticipating.In addition, LED box bright chroma bearing calibration of the invention, without using third party device
Or Calibrating source calibration for cameras, using benchmark cabinet as basis box, taking pictures when acquiring bright chroma information, there is no exposure errors
Etc. external environments interference, thus ensure that any batch be corrected cabinet correction after bright chroma high consistency, in turn
Further improve the display quality of the mixed LED display being spliced into of LED box of any batch.
Further, as shown in Fig. 2, step S2 benchmark cabinet list case correction the following steps are included:
Step S21: newly-built list case corrects engineering；
Step S22: camera view, in which: viewfinder area must not exceed monitoring frame；
Step S23: survey light is carried out to three color of red, green, blue respectively, adjusts camera parameter；
Step S24: it takes pictures to benchmark cabinet；
Step S25: analysis generates basis box correction coefficient file, and saves to the benchmark cabinet.
Specifically, carrying out hardware connection first, benchmark cabinet is connected by cable with sending device, and sending device passes through
USB is connected with PC machine, and camera is connected by USB with PC machine；PC machine installs single case correction software, opens software, creates single
Case corrects engineering, and single box sizes are arranged, and completes it and creates guide；Then, camera is connected, starts to find a view, viewfinder area must not
More than monitoring frame, survey light is then carried out to three color of red, green, blue respectively, adjusts camera parameter；Finally, PC machine control camera shooting
The bright chroma data of photo acquisition benchmark cabinet, starting analysis generate basis box correction coefficient file and save to corresponding base
Quasi- cabinet receives card.
Further, as shown in figure 3, step S25 is specifically included:
Step S251: according to the difference meter of the bright chroma data of the benchmark cabinet of camera acquisition and bright chroma correction target value
Calculate the basis box correction coefficient of benchmark cabinet；
Step S252: the cabinet title of benchmark cabinet is associated with calculated basis box correction coefficient and generates correction coefficient
File；
Step S253: it sends basis box correction coefficient file to benchmark cabinet reception card and is stored and applied.
Specifically, the bright chroma target value of LED box can be calculated according to the public light tone angle value of multiple LED boxes
It arrives, specific calculation method can refer to the prior art and carry out designed, designed；In addition, the bright chroma target value of LED box can also be with
It is the default value in the summary of experience value either correction software of manufacturer.Correction coefficient file herein is the case of benchmark cabinet
Body title, the relational file or database for receiving card title and basis box correction coefficient, can be stored directly in PC machine, can also
Correction software or storage is imported at any time as needed to be stored and applied to benchmark cabinet reception card.
As shown in figure 4, LED box bright chroma of the invention corrects system, including benchmark cabinet, it is corrected cabinet, light tone
Spend acquisition terminal, control processing terminal, in which: benchmark cabinet is electrically connected with cabinet is corrected, and is spliced into LED display；Light tone
Degree acquisition terminal is electrically connected with control processing terminal, for acquiring the whole screen bright chroma data of LED display and being transmitted to control
Processing terminal storage or analysis；Control processing terminal is electrically connected with cabinet is corrected, for importing basis box correction coefficient file
And the whole screen correction system for being corrected cabinet is generated according to basis box correction coefficient file and the whole screen bright chroma data of LED display
It counts file and is transmitted to and be corrected cabinet preservation.
Further, benchmark cabinet is furnished with for receiving and the first receiving device of Memory Reference case correction coefficient file；
Cabinet is corrected equipped with the second receiving device for receiving and storing whole screen correction coefficient file；Processing terminal is controlled with useful
In the whole screen correction coefficient file of transmission to the sending device for being corrected cabinet.Wherein: the first receiving device and the second reception are set
It is standby the cabinet reception card included with cabinet is corrected, each LED box and reception card to be named respectively on the basis of, just
In subsequent matching is carried out with correction file be associated with.
Further, bright chroma acquisition terminal is camera；Control processing terminal is PC machine, can be filled according to the actual situation thereon
There are single case correction software for the correction of basis box body list case, and the whole screen correction software for being corrected cabinet correction, from
And it realizes that single case corrects and corresponds to generate basis box correction coefficient file and realize that whole screen is corrected and corresponded to and generates whole screen correction
Coefficient files.
Specifically, benchmark cabinet be corrected cabinet and connect by cable, be spliced into LED display；Bright chroma acquisition is eventually
End is connected with control processing terminal by USB, for acquiring the whole screen bright chroma information (taking pictures) of LED display and transmitting
Whole screen bright chroma data are generated to the storage of control processing terminal and/or using image analytical method analysis；Control processing terminal and hair
Equipment is sent to be connected by USB, sending device is connect by cable with cabinet is corrected, and is imported accordingly to control processing terminal
The basis box correction coefficient file of benchmark cabinet and bright according to the whole screen of basis box correction coefficient file and LED display of importing
Chroma data, which generates the whole screen correction coefficient file for being corrected cabinet and is transmitted to automatically, is corrected cabinet preservation and application.
LED box bright chroma of the invention corrects system, realizes the bright chroma correction between LED box, ensure that and appoint
The LED box of meaning batch has been spliced into the display quality of LED display, to realize mixed between any batch LED box
With.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction for the essence of the present invention with range, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment belong to the range that the present invention is protected.
Claims (10)
1. a kind of LED box bright chroma bearing calibration, which comprises the following steps:
(1) in LED box, one or more LED boxes are extracted as correction reference cabinet, remaining LED box is to be corrected
Cabinet；
(2) single case correction is carried out to one or more benchmark cabinets that step (1) is extracted, and corresponds to and saves basis box correction coefficient
File；
(3) benchmark cabinet and box body splicing will be corrected into LED display；
(4) the corresponding basis box correction coefficient file of benchmark cabinet in steps for importing (3) for LED display splicing；
(5) LED display bright chroma information is acquired, generates and is corrected according to the basis box correction coefficient of the benchmark cabinet of importing
The corresponding whole screen correction coefficient file of cabinet simultaneously saves, and completes the correction for being corrected cabinet.
2. LED box bright chroma bearing calibration according to claim 1, which is characterized in that by a benchmark in step (3)
Cabinet and one are corrected box body splicing into a LED display.
3. LED box bright chroma bearing calibration according to claim 2, which is characterized in that further include that step (6) repeat to walk
Suddenly (3) to step (5) complete multiple corrections for being corrected cabinet.
4. LED box bright chroma bearing calibration according to claim 2, which is characterized in that in LED box in step (1)
In, multiple LED boxes are extracted as correction reference cabinet；It is poor without light tone between multiple benchmark cabinets；Multiple benchmark cabinets are in turn
Replacement operation as in step (3) with the benchmark cabinet that is corrected box body splicing.
5. LED box bright chroma bearing calibration according to claim 1, which is characterized in that in step (3), benchmark cabinet
It is placed in correction station with being corrected together with cabinet and is connected by cable, and then be spliced into the LED display.
6. LED box bright chroma bearing calibration according to claim 1, which is characterized in that step (2) benchmark cabinet list case
Correction the following steps are included:
(21) it creates single case and corrects engineering；
(22) camera view, in which: viewfinder area must not exceed monitoring frame；
(23) survey light is carried out to three color of red, green, blue respectively, adjusts camera parameter；
(24) it takes pictures to benchmark cabinet；
(25) it analyzes, generate basis box correction coefficient file, and save.
7. LED box bright chroma bearing calibration according to claim 6, which is characterized in that step (25) specifically includes:
(251) benchmark is calculated according to the bright chroma data of benchmark cabinet of camera acquisition and the difference of bright chroma correction target value
The basis box correction coefficient of cabinet；
(252) the cabinet title of benchmark cabinet is associated with calculated basis box correction coefficient and generates basis box correction coefficient text
Part；
(253) basis box correction coefficient file to benchmark cabinet is sent to be stored.
8. a kind of LED box bright chroma school using LED box bright chroma bearing calibration of any of claims 1-7
Positive system, which is characterized in that including benchmark cabinet, be corrected cabinet, bright chroma acquisition terminal, control processing terminal, in which:
The benchmark cabinet is electrically connected with the cabinet that is corrected, and is spliced into LED display；
The bright chroma acquisition terminal is electrically connected with the control processing terminal, and the whole screen for acquiring the LED display is bright
Chrominance information is simultaneously transmitted to the control processing terminal storage and/or analysis；
The control processing terminal is electrically connected with the cabinet that is corrected, for importing the basis box correction coefficient text of benchmark cabinet
Part and the whole screen correction that cabinet is corrected according to basis box correction coefficient and the whole screen bright chroma data generation of LED display
Coefficient files are simultaneously transmitted to the cabinet that is corrected and save and application.
9. LED box bright chroma according to claim 8 corrects system, it is characterised in that:
The benchmark cabinet is furnished with for receiving and the first receiving device of Memory Reference case correction coefficient file；
The cabinet that is corrected is equipped with the second receiving device for receiving and storing whole screen correction coefficient file；
The control processing terminal is furnished with to be set for sending the whole screen correction coefficient file to the transmission for being corrected cabinet
It is standby.
10. LED box bright chroma according to claim 8 corrects system, which is characterized in that
The bright chroma acquisition terminal is camera；
The control processing terminal is PC machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811623694.9A CN109658862B (en) | 2018-12-28 | 2018-12-28 | LED box brightness and chrominance correction method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623694.9A CN109658862B (en) | 2018-12-28 | 2018-12-28 | LED box brightness and chrominance correction method and system |
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| CN109658862B CN109658862B (en) | 2021-11-02 |
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| CN112669769A (en) * | 2020-12-29 | 2021-04-16 | 深圳Tcl数字技术有限公司 | Display screen box body parameter correction method and device, equipment and storage medium |
| CN112951143A (en) * | 2021-03-31 | 2021-06-11 | 西安诺瓦星云科技股份有限公司 | Display screen correction method and device |
| CN114170941A (en) * | 2021-12-09 | 2022-03-11 | 惠州华星光电显示有限公司 | Display brightness matching method and display |
| WO2024082339A1 (en) * | 2022-10-19 | 2024-04-25 | 深圳市奥拓电子股份有限公司 | On-site chrominance correction method, apparatus and system for led display screen module |
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