CN106373522A - Splicing bright/dark line adjustment method - Google Patents
Splicing bright/dark line adjustment method Download PDFInfo
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- CN106373522A CN106373522A CN201611022873.8A CN201611022873A CN106373522A CN 106373522 A CN106373522 A CN 106373522A CN 201611022873 A CN201611022873 A CN 201611022873A CN 106373522 A CN106373522 A CN 106373522A
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- splicing
- border
- file
- concealed wire
- led display
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention puts forward a splicing bright/dark line adjustment method comprising the following steps: (i) getting the position information and resolution information of multiple splicing units, drawing a distribution diagram of the multiple splicing units, and marking out the boundaries of the multiple splicing units in the distribution diagram; (ii) selecting a first boundary needing adjustment and adjusting the first boundary so as to check the adjustment effect based on human vision until the splicing bright/dark lines at the first boundary are adjusted to a target state, for example, the splicing bright/dark lines are eliminated completely or basically; (iii) saving the adjustment position and adjustment value (such as brightness adjustment coefficient) corresponding to the first boundary to a file; and (iv) selectively sending the saved file to either a volatile memory or a nonvolatile memory of LED display control system hardware. Therefore, the problems in the prior art, such as high sending frequency, complicated operation and difficult revocation, are solved.
Description
Technical field
The present invention relates to display alignment technique field, the more particularly, to a kind of bright concealed wire control method of splicing.
Background technology
A kind of flat panel display equipment that led display screen is made up of led dot matrix, general one piece of led display screen is by some
Individual led casing or led display module (collectively referred to as concatenation unit) are spliced, and each concatenation unit can be in work
It is corrected it is ensured that the having good uniformity of led display screen when dispatching from the factory in factory, and due to machining essence during splicing
The restriction of the technological reasons such as degree, splicing accuracy, in the LED lamp of concatenation unit and concatenation unit stitching portion contiguous concatenation cell edges
Point the distance between may be greater than or less than elsewhere LED lamp point pixel center away from, referred to as splice gap；Now, at this
LED lamp point luminous density will change, and the impact to display quality occurs one when being mainly shown as display low-frequency image
Bar bright line or concealed wire, referred to as splice bright concealed wire.When the lamp point pixel center of led display screen is particularly prominent away from becoming hour, this problem
Go out, have a strong impact on display quality.
If led display screen passes through producing line correction or casing correction in itself or screen body uniformity is only spelled very well
The bright concealed wire that tape splicing comes, scene only needs to solve to splice bright concealed wire.At present, prior art has proposition manual regulation splicing bright
The mode of concealed wire, particularly as follows: draw distribution schematic diagram according to the positional information of receiving card or band information carrying breath, on distribution schematic diagram
Mark all of boundary information, convenient selection；It is adjusted, when reaching promising result after choosing the border needing adjustment
When, regulating effect is sent and preserves to led display control program hardware.
Although prior art solves the problems, such as that positioning splicing bright concealed wire hardly possible, regulating time are longer, but still exists following
Shortcoming: directly send regulating effect to led display control program hardware, one piece of led display screen behind the border 1) selecting adjustment
May adjust through several times, if will send to led display control program hardware, complex operation every time, will necessarily shadow
Ring and adjust efficiency；And 2) send and cannot cancel to led display control program hardware, particularly in the case of lease screen, typically
The order that lease casing splices under different occasions is inconsistent, if the result of front Primary regulation does not cancel, can have a strong impact on
Use once afterwards.
Content of the invention
Therefore, for defect of the prior art and deficiency, the present invention proposes a kind of bright concealed wire control method of splicing, solves
Transmission times is more, complex operation and be difficult cancel problem.
Specifically, a kind of splicing bright concealed wire control method that the embodiment of the present invention proposes is it is adaptable to the splicing of led display screen
Bright concealed wire is adjusted and described led display screen includes multiple concatenation units of being stitched together.The bright concealed wire control method of described splicing
Including step: (i) obtains the positional information of the plurality of concatenation unit and resolution information, draws the plurality of concatenation unit
Distribution schematic diagram simultaneously marks border in described distribution schematic diagram for the plurality of concatenation unit；(ii) select need to adjust the
One border is adjusted being operable for checking regulating effect based on human eye vision until adjusting the spelling being located at described first boundary
Connect bright concealed wire to dbjective state；(iii) adjusting position and regulated quantity (the such as brightness regulation system on corresponding described first border are preserved
Number) to file；And the file of preservation is optionally sent to the volatile memory of led display control program hardware by (iv)
One of with nonvolatile memory.
In one embodiment of the invention, when step (iv) is to send the file of preservation to led display control program
The volatile memory of hardware, the bright concealed wire control method of described splicing further comprises the steps of: described led display control program hardware will
Regulated quantity in the file receiving merges operation with the original correction coefficient reading from itself nonvolatile memory
Stored to described volatile memory with obtaining renewal post-equalization coefficient.
In one embodiment of the invention, when step (iv) is to send the file of preservation to led display control program
The nonvolatile memory of hardware, the bright concealed wire control method of described splicing further comprises the steps of: described led display control program hardware
Update original correction coefficient of storage in itself nonvolatile memory using the regulated quantity in the file receiving to obtain more
New post-equalization coefficient covers the described original correction coefficient in described nonvolatile memory.
In one embodiment of the invention, the bright concealed wire control method of described splicing further comprises the steps of: selection and needs to adjust
The second boundary and load the described file on corresponding described first border so that the described regulated quantity in described file is applied to described
The second boundary is for checking regulating effect based on human eye vision.
In one embodiment of the invention, described splicing bright concealed wire control method further comprise the steps of: adjust same
Concatenation unit there is the 3rd border and the 4th border of overlapping LED lamp point during, adjusted behind described 3rd border again
When adjusting described four border, in conjunction with the regulated quantity profit adjusting the correspondence obtaining during described three border described overlap LED lamp point
Automatically calculate the current regulated quantity of described overlap LED lamp point with weighted average mode.
In one embodiment of the invention, step (iv) includes: on the side needing to adjust of the plurality of concatenation unit
After the completion of boundary is all adjusted, disposably the file of preservation is sent to described led display control program hardware.
In one embodiment of the invention, the regulation in step (ii) operates as brightness adjustment operation.
In one embodiment of the invention, described nonvolatile memory is flash memory.
From the foregoing, it will be observed that the embodiment of the present invention can reach following one or more beneficial effect: (1) disposable transmission is owned
Adjusting position and regulated quantity, simple to operate, improve efficiency；(2) adjusting position and regulated quantity, flexible operation are sent at any time；(3)
Check position and the regulated quantity of adjusted bright concealed wire at any time, the regulated quantity of wherein a line circle can be selected to be applied to other bright dark
The much the same border of thread degree carries out coarse adjustment, simplifies regulating step, improves efficiency；(4) adjusting position and regulated quantity will be comprised
File sends to the diverse location of led display control program hardware (such as ram or flash), neatly solves needs interim
Preserve coefficient and the long-term problem preserving coefficient；And (5) effectively prevent an accident situation initiation loss of data.
By the detailed description below with reference to accompanying drawing, the other side of the present invention and feature become obvious.But should know
Road, this accompanying drawing is only the purpose design explained, not as the restriction of the scope of the present invention.It should also be noted that it is unless another
Point out that outward they only try hard to structure described herein and flow process are conceptually described it is not necessary to scale accompanying drawing.
Brief description
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is that a kind of of the bright concealed wire control method of splicing realizing the embodiment of the present invention adjusts software interface figure.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Splicing bright concealed wire control method in the technical scheme that the following embodiment of the present invention proposes, it is real during adjusting
When adjusting position and regulated quantity are saved as file, disposably the file of preservation is sent after the completion for the treatment of all to adjust and shows to led
Show control system hardware, transmission may be selected when sending the file of preservation to led display control program hardware extremely volatile simultaneously
Property memorizer (ram) or nonvolatile memory such as flash (flash memory).If sent to ram, led display control program is hard
After part power-off, adjustment factor is lost it is adaptable to led screen body leases occasion；If sent to flash, led display control program is hard
After part power-off, adjustment factor is not lost, and can preserve for a long time it is adaptable to fixation led screen body (or claiming non-lease led screen body).When
So it is also possible to send the file of preservation to led display control program hardware at any time adjusting process intermediate time.If additionally,
Adjust and want after software (typically a kind of upper computer software) is closed to continue to adjust, only need to be loaded into the file preserving before and continue to adjust
Save, can effectively prevent to adjust the adjustment factor loss problem that software anomaly is closed or host computer power-off causes.
Specifically, the splicing of the present embodiment bright concealed wire control method, bright to adjust the splicing between reception cassette tape load region
As a example concealed wire, adjust software interface figure as shown in Figure 1；It comprises the following steps:
A () reads from led display control program hardware or operator are manually entered or are connect by file acquisition
Receive positional information and band information carrying breath (namely the positional information of concatenation unit and resolution information) of card, equal proportion scales drafting and connects
Receive cassette tape to carry area distribution schematic diagram (or claim topological diagram) and mark its boundary position (namely in Fig. 1, each receives cassette tape and carries area
The strip region of four sides in domain), specifically draw and border marker method can be found in the applicant Xi'an Nova electronic section
Skill company limited is in 2015 07 month Application No. 201510394167.5 filed in 07 day, invention entitled " the bright concealed wire of splicing
The Chinese invention patent application of compensation method ", its disclosed content quotation in this as description of the invention composition part；
B () selects to need the border adjusting to be adjusted and be based on human eye vision to check regulating effect until regulation splicing is bright
Concealed wire to dbjective state, for example, splices bright concealed wire and is completely eliminated or substantially eliminates.For rgb three primary colours full-color led display screen
Speech, taking brightness regulation as a example, can directly adjust during brightness regulation white be red, green, blue trichroism in proportion regulation it is also possible to
Red, green, blue is trichroism to be adjusted respectively.And, brightness regulation and regulating effect check mode concretely: only adjust whole screen brightness no
The brightness data of the pixel in border selected by corresponding in differential image data (or title gray value zero difference view data) is (for example
By clicking on the "-" in Fig. 1 the latter half or the "+" button or the slider bar realization between "-" and the "+" button can be dragged
The regulation of brightness data) and do not adjust the brightness data of the pixel of other positions with adjusted rear view data, then will adjust
After section, view data sends to led display control program hardware, by led display control program hardware according to picture number after adjusting
Show to led screen body according to carrying out picture, for observing the regulating effect splicing bright concealed wire；Here, the number of times adjusting can be one
Secondary or multiple, concrete number of times then needs depending on whether the bright concealed wire of splicing being adjusted to dbjective state；To splice
After bright concealed wire is adjusted to dbjective state, the brightness adjustment of the pixel splicing selected by bright concealed wire position in border (or claim bright
Degree adjustment factor) it is assured that；
The adjusting position of pixel in border c () preservation is corresponding selected by and regulated quantity are to file；
(d) by the file comprising adjusting position and regulated quantity preserving send to led display control program hardware ram or
In flash, file transmission opportunity herein can be to need all boundary regulation carrying out splicing bright concealed wire regulation to complete it
Afterwards or be certain intermediate time during whole regulation；And send operation can be click in Fig. 1 some or
Certain multiple reception cassette tape carries region and clicks on [being saved in hardware ram] button or [being saved in hardware flash] button, you can will be right
Should click receive cassette tape carry region border comprise adjusting position and the file of regulated quantity sends to led display control program
Hardware.Additionally, when this document is to send to the ram of led display control program hardware such as receiving card (in corresponding click Fig. 1
[being saved in hardware ram] button) when, receiving card is by the regulated quantity (or claim adjustment factor) in the one's own file receiving
Merge operation with the original correction coefficient reading from itself flash to store to receiving card to obtain renewal post-equalization coefficient
Ram, the original correction coefficient in such words flash uncovered thus subsequently can recover use；When this document is to send out
The flash delivering to led display control program hardware such as receiving card (corresponds to [being saved in hardware flash] clicked in Fig. 1 to press
Button) when, receiving card is using the regulated quantity in the one's own file receiving to from the original school being stored in itself flash
Positive coefficient is updated operating to obtain updating the original correction coefficient in the flash of post-equalization coefficient covering receiving card.
Furthermore, the splicing if desired adjusting bright concealed wire number is more it is impossible to Primary regulation completes or adjusts software anomaly
Situations such as closing, host computer abnormal power-down leads to adjust interrupts, and restarts after adjusting software, and the regulation file before loading continues
Adjust.
Additionally, having following (1), (2), (3) and (4) point value must illustrate:
(1) if lease led screen body needs to use the long period, middle must power-off but guarantor after being not intended to adjustment factor power-off
Deposit, then after the completion of adjusting, the file comprising adjusting position and regulated quantity is sent to the ram of led display control program hardware
In, the file that led display control program hardware power-off preserves before being loaded in adjusting software after re-powering, it is re-transmitted to
The ram of led display control program hardware.
(2) adjusting position preserving can be the position coordinateses being conditioned partly every LED lamp point, generally, one
Bar splicing bright line or splicing concealed wire need to adjust the outermost of the concatenation unit (such as led casing or led display module) of its both sides
Side a row or column LED lamp point；If the bright dark degree of this splicing bright line or splicing concealed wire is basically identical, i.e. splicing gap ratio
More uniform, sliver can be directly selected and be adjusted, if instead splicing gap is uneven, then can select the portion in border
Lamp point segmentation is divided to be adjusted.Furthermore, during regulation, occur that the bright concealed wire of vertical splicing and the bright concealed wire of level splicing intersect
Place, in such as Fig. 1, receiving card 1 band carries with the adjacent vertical border (being denoted as border 1) in load region and connecing with receiving card 2 of region
Receiving card 1 has a led with load region with the overlapping region with carrying the adjacent horizontal boundary (being denoted as border 2) in region for the receiving card 5
Lamp point (the Dark grey blockage as in Fig. 1), during adjustment border 1, regulated quantity c1 on border 1 acts on this LED lamp point, if adjusting
May proceed to during integral boundary 2 act on this LED lamp point by regulated quantity c2 on border 2, then may after this LED lamp point is repeatedly acted on
Occurring bright or crossed dim phenomenon, the side of weighted mean so needing individually to process for this LED lamp point, can be adopted
Formula, such as can take both arithmetic average as the regulated quantity of this LED lamp point, adjust after adjusting border 1 (or border 2) again
During section border 2 (or border 1), the regulated quantity of this LED lamp point obtaining when adjusting in conjunction with border 1 (or border 2) calculates this automatically
The current regulated quantity of LED lamp point, operator typically avoid the need for reselecting single-point adjustment.
(3) because each position adjusting and regulated quantity all save as local file it is possible to check adjusted at any time
The position on border and regulated quantity, preferably, the bright dark degree of the bright concealed wire of splicing of a lot of boundaries is the technique of some scene splicings
Almost consistent, and when led screen body resolution is larger, border regulation is less efficient one by one, now can select a bright dark journey
Spend close border, corresponding comprise adjusting position and the file of regulated quantity makes its regulated quantity be applied to residue by loading it
All borders or specified boundary (for example click remaining all borders or specified boundary by operator and click on [beating in Fig. 1
Open] button carries out file loading) carry out a coarse adjustment after, the border that reselection ground does not regulate to part is done and is adjusted further
Section.
(4) start adjust before can not also select file storage position, adjust software oneself preserve temporary file, use
Family need follow-up using file when derive again, if upper computer software normal switching-off can allow user's selection delete temporary file or
Preserve, during abnormal closing, temporary file necessarily also exists, if temporary file also exists during restarting, can ask the user whether to continue
Continuous regulation, is then to retain temporary file, otherwise deletes temporary file.
In sum, present invention can reach following one or more beneficial effect: (1) is disposable to be sent
All adjusting positions and regulated quantity, simple to operate, improve efficiency；(2) adjusting position and regulated quantity, operation spirit are sent at any time
Live；(3) check position and the regulated quantity of adjusted bright concealed wire at any time, the regulated quantity of wherein a line circle can be selected to be applied to it
The much the same border of his bright concealed wire degree carries out coarse adjustment, simplifies regulating step, improves efficiency；(4) adjusting position and tune will be comprised
The file of section amount sends to the diverse location of led display control program hardware (such as ram or flash), and neatly solving needs
To preserve coefficient and the long-term problem preserving coefficient temporarily；And (5) effectively prevent an accident situation initiation loss of data.
The above, be only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any is familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above make a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical spirit pair of the present invention
Any simple modification, equivalent variations and modification that above example is made, all still fall within the range of technical solution of the present invention.
Claims (8)
1. a kind of bright concealed wire control method of splicing is it is adaptable to the bright concealed wire of the splicing of led display screen is adjusted and described led display screen bag
Include the multiple concatenation units being stitched together；It is characterized in that, the bright concealed wire control method of described splicing includes step:
I () obtains the positional information of the plurality of concatenation unit and the distribution of resolution information, the plurality of concatenation unit of drafting
Schematic diagram simultaneously marks border in described distribution schematic diagram for the plurality of concatenation unit；
(ii) select to need the first border adjusting to be adjusted being operable for checking regulating effect based on human eye vision until adjusting
Section is located at the bright concealed wire of splicing of described first boundary to dbjective state；
(iii) adjusting position on corresponding described first border of preservation and regulated quantity are to file；
(iv) optionally the file of preservation is sent to the volatile memory of led display control program hardware and non-volatile
One of memorizer.
2. as claimed in claim 1 splice bright concealed wire control method it is characterised in that when step (iv) be will preservation file
Send to the volatile memory of led display control program hardware, further comprise the steps of:
Regulated quantity in the file receiving is read by described led display control program hardware with from itself nonvolatile memory
The original correction coefficient going out merges operation and is stored to described volatile memory with obtaining renewal post-equalization coefficient.
3. as claimed in claim 1 splice bright concealed wire control method it is characterised in that when step (iv) be will preservation file
Send to the nonvolatile memory of led display control program hardware, further comprise the steps of:
Described led display control program hardware is updated in itself nonvolatile memory using the regulated quantity in the file receiving
Original correction coefficient of storage is to obtain updating the described original correction in the post-equalization coefficient described nonvolatile memory of covering
Coefficient.
4. the bright concealed wire control method of splicing as claimed in claim 1 is it is characterised in that further comprise the steps of:
The described file selecting the needs the second boundary adjusting and loading corresponding described first border makes described in described file
Regulated quantity is applied to described the second boundary for checking regulating effect based on human eye vision.
5. the bright concealed wire control method of splicing as claimed in claim 1 is it is characterised in that further comprise the steps of:
Adjust same concatenation unit there is the 3rd border and the 4th border of overlapping LED lamp point during, adjusted
When adjusting described four border again behind described 3rd border, in conjunction with the correspondence described overlap that obtains when adjusting described three border
The regulated quantity of LED lamp point utilizes weighted average mode automatically to calculate the current regulated quantity of described overlap LED lamp point.
6. the bright concealed wire control method of splicing as claimed in claim 1 is it is characterised in that step (iv) includes:
After the completion of the border needing to adjust of the plurality of concatenation unit is all adjusted, disposably by the file of preservation send to
Described led display control program hardware.
7. the bright concealed wire control method of splicing as claimed in claim 1 is it is characterised in that the regulation in step (ii) operates as bright
Degree adjusts operation.
8. the bright concealed wire control method of splicing as claimed in claim 1 is it is characterised in that described nonvolatile memory is to dodge
Deposit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022873.8A CN106373522B (en) | 2016-11-21 | 2016-11-21 | Splice bright concealed wire adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022873.8A CN106373522B (en) | 2016-11-21 | 2016-11-21 | Splice bright concealed wire adjusting method |
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| Publication Number | Publication Date |
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| CN106373522A true CN106373522A (en) | 2017-02-01 |
| CN106373522B CN106373522B (en) | 2019-01-18 |
Family
ID=57891972
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022873.8A Active CN106373522B (en) | 2016-11-21 | 2016-11-21 | Splice bright concealed wire adjusting method |
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Cited By (7)
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| CN106920506A (en) * | 2017-04-27 | 2017-07-04 | 西安诺瓦电子科技有限公司 | Check the method and device of casing calibration result |
| CN107103874A (en) * | 2017-07-06 | 2017-08-29 | 苏州科达科技股份有限公司 | The spliced bright concealed wire bearing calibration of LED display and device |
| CN108648688A (en) * | 2018-05-17 | 2018-10-12 | 深圳市灵星雨科技开发有限公司 | A kind of box body splicing optimization method of LED display |
| CN112967659A (en) * | 2019-11-27 | 2021-06-15 | 西安诺瓦星云科技股份有限公司 | Bright and dark line adjusting method and device and display screen control system |
| CN113093105A (en) * | 2021-04-09 | 2021-07-09 | 中国人民解放军战略支援部队信息工程大学 | Visible light indoor positioning method, device and system and related products |
| CN113571008A (en) * | 2021-07-16 | 2021-10-29 | 西安诺瓦星云科技股份有限公司 | Bright and dark line adjusting method, device and system of spliced display screen |
| WO2023203984A1 (en) * | 2022-04-21 | 2023-10-26 | ソニーグループ株式会社 | Information processing system, adjustment method, and program |
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| CN106920506A (en) * | 2017-04-27 | 2017-07-04 | 西安诺瓦电子科技有限公司 | Check the method and device of casing calibration result |
| CN106920506B (en) * | 2017-04-27 | 2019-10-29 | 西安诺瓦星云科技股份有限公司 | Check the method and device of cabinet calibration result |
| CN107103874A (en) * | 2017-07-06 | 2017-08-29 | 苏州科达科技股份有限公司 | The spliced bright concealed wire bearing calibration of LED display and device |
| CN107103874B (en) * | 2017-07-06 | 2019-01-18 | 苏州科达科技股份有限公司 | The bright concealed wire bearing calibration of spliced LED display and device |
| CN108648688A (en) * | 2018-05-17 | 2018-10-12 | 深圳市灵星雨科技开发有限公司 | A kind of box body splicing optimization method of LED display |
| CN112967659A (en) * | 2019-11-27 | 2021-06-15 | 西安诺瓦星云科技股份有限公司 | Bright and dark line adjusting method and device and display screen control system |
| CN113093105A (en) * | 2021-04-09 | 2021-07-09 | 中国人民解放军战略支援部队信息工程大学 | Visible light indoor positioning method, device and system and related products |
| CN113093105B (en) * | 2021-04-09 | 2023-09-12 | 中国人民解放军战略支援部队信息工程大学 | Visible light indoor positioning method, device and system and related products |
| CN113571008A (en) * | 2021-07-16 | 2021-10-29 | 西安诺瓦星云科技股份有限公司 | Bright and dark line adjusting method, device and system of spliced display screen |
| WO2023203984A1 (en) * | 2022-04-21 | 2023-10-26 | ソニーグループ株式会社 | Information processing system, adjustment method, and program |
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