CN110379355A - Control system and control method for large-screen display wall - Google Patents
Control system and control method for large-screen display wall Download PDFInfo
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- CN110379355A CN110379355A CN201910756297.7A CN201910756297A CN110379355A CN 110379355 A CN110379355 A CN 110379355A CN 201910756297 A CN201910756297 A CN 201910756297A CN 110379355 A CN110379355 A CN 110379355A
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- color correction
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- color
- screen display
- display wall
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012937 correction Methods 0.000 claims abstract description 95
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 241001062009 Indigofera Species 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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Classifications
-
- 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
-
- 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
- G09G3/2003—Display of colours
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a control system and a control method for a large-screen display wall, wherein the control system comprises a camera, a brightness sensor and a controller, and the controller comprises a starting module, an image acquisition module, a color correction module, a brightness information acquisition module, a brightness adjustment module and a parameter output module. The method comprises the steps of performing color correction by using a color correction module by acquiring image data of a large-screen display wall; the brightness is adjusted by the brightness adjusting module by acquiring the ambient brightness data; therefore, the automatic adjustment of the brightness and the color of the large-screen display wall can be realized, manual debugging by a user is not needed, the efficiency is high, and the effect is good.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of control system and control method of large screen display wall.
Background technique
With social progress and the arrival of information age, control centre, power supply bureau data to be treated are increasingly
It is more, and need while monitoring.Therefore, large screen display wall becomes one of power supply bureau's control centre's necessary equipment, control centre
Staff monitors the performance of each monitoring area by large screen display wall.Also, control centre also need carry out meeting,
Study etc..However, the display brightness and color effect of large screen display wall need artificial method to debug, the efficiency of manual debugging
It is low ineffective.
Summary of the invention
Technical problem to be solved by the present invention lies in provide the control system and controlling party of a kind of large screen display wall
Method carries out manual debugging without user to realize the brightness of large screen display wall and the adjust automatically of color.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of control system of large screen display wall, including take the photograph
As head, luminance sensor and controller, the controller include starting module, image collection module, color correction module, brightness
Data obtaining module, luminance adjustment module and parameter output module;
The starting module is used to issue image capture instruction to the camera;
The camera is used to acquire the image data of large screen display wall, and is sent to described image and obtains module;
Described image obtains module and gives color correction mould for obtaining the camera acquired image Data Concurrent
Block;
The color correction module is analyzed to obtain color for the image data according to acquired in image collection module
Correction parameter, and it is sent to the parameter output module;
The luminance sensor gives the luminance information acquisition module for acquiring ambient brightness Data Concurrent;
The luminance information obtain module for obtain luminance sensor ambient brightness Data Concurrent collected give it is bright
Spend adjustment module;
Luminance adjustment module ambient brightness data according to acquired in luminance information acquisition module are analyzed to obtain
Brightness regulation parameter, and it is sent to the parameter output module;
The parameter output module forms control instruction according to color correction parameters and brightness regulation parameter and exports to large-size screen monitors
Curtain display wall.
Preferably, the color correction module further comprises color correction information acquisition unit, color correction information meter
Calculate unit, color correction information judging unit and color correction parameters computing unit;
The color correction information acquisition unit gives face for obtaining the camera acquired image Data Concurrent
Color control information computing unit;
The color correction information calculating unit calculates color for the image data according to acquired in image collection module
Difference;
What the color correction information judging unit was used to be calculated according to the color correction information calculating unit
Color difference result judges whether to meet the requirements, if then terminating, if the color difference result is otherwise sent to the face
Color correction parameter computing unit;
The color correction parameters computing unit calculates color correction parameters according to the color difference result.
Preferably, the large screen display wall is spliced display wall.
Preferably, the camera is connect with the controller by WIFI or Bluetooth communication.
Preferably, the luminance sensor is connect with the controller by WIFI or Bluetooth communication.
The embodiment of the present invention also provides a kind of control method of large screen display wall, including carries out brightness regulation and color school
Just;
The carry out brightness regulation includes:
Step S1: ambient brightness data are obtained;
Step S2: it analyzes to obtain brightness regulation parameter using the ambient brightness data;And
Step S3: brightness regulation instruction output is formed according to brightness regulation parameter and gives large screen display wall;
The carry out color correction includes:
Step T1: the image data of large screen display wall is obtained;
Step T2: color correction parameters are obtained using the analysis of image data;And
Step T3: color correction instruction output is formed according to color correction parameters and gives large screen display wall.
Preferably, the step T2 includes:
Step T21: color difference is calculated according to described image data;
Step T22: judging whether to meet the requirements according to the color difference result, if then terminating, if otherwise entering step
Rapid T23;
Step T23: color correction parameters are calculated according to the color difference result.
Preferably, the step T21 is specially to be converted to colour space coordinate according to image data, and sit with standard color space
Comparing calculation is done between mark obtains color difference.
Preferably, the colour space coordinate is that CIEXYZ colour space coordinate, CIEYxy colour space coordinate or CIELAB color are empty
Between coordinate.
Preferably, the color correction parameters include the offset or gain of R, G, B value.
Compared with prior art, bring beneficial effect of the present invention is, by the picture number for obtaining large screen display wall
According to, utilize color correction module carry out color correction;By obtaining ambient brightness data, brightness is carried out using luminance adjustment module
It adjusts;The brightness of large screen display wall and the adjust automatically of color may be implemented in this way, carry out manual debugging, efficiency without user
Height, effect are good.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the control system of the large screen display wall of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of color correction module in the embodiment of the present invention one.
Fig. 3 is the process signal that brightness regulation is carried out in a kind of control method of the large screen display wall of the embodiment of the present invention two
Figure.
Fig. 4 is the flow diagram that color correction is carried out in the embodiment of the present invention two.
Fig. 5 is the flow diagram of the step T2 in the process for carry out in the embodiment of the present invention two color correction.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It please refers to shown in Fig. 1, the embodiment of the present invention one provides a kind of control system 1 of large screen display wall, including camera shooting
First 11, luminance sensor 12 and controller 13, the controller 13 include starting module 131, image collection module 132, color
Correction module 133, luminance information obtain module 134, luminance adjustment module 135 and parameter output module 136.
The starting module 131 is used to issue image capture instruction to the camera 11;The camera 11 is for adopting
The image data of Ji great Ping Muxianshiqiang, and be sent to described image and obtain module 132;Described image obtains module 132 and is used for
It obtains the 11 acquired image Data Concurrent of camera and gives color correction module 133;The color correction module 133 is used
It is analyzed to obtain color correction parameters in the image data according to acquired in image collection module 132, and is sent to the ginseng
Number output module 136.
The luminance sensor 12 gives the luminance information acquisition module 134 for acquiring ambient brightness Data Concurrent;
The luminance information obtains module 134 and gives brightness tune for obtaining the ambient brightness Data Concurrent collected of luminance sensor 12
Save module 135;The luminance adjustment module 135 ambient brightness data according to acquired in luminance information acquisition module 134 carry out
Analysis obtains brightness regulation parameter, and is sent to the parameter output module 136.
The parameter output module 136 forms control instruction according to color correction parameters and brightness regulation parameter and exports to big
Screen shows wall.
It is appreciated that the camera 11 can take entire large screen display wall.
The control system 1 of the large screen display wall utilizes color correction by obtaining the image data of large screen display wall
Module 133 carries out color correction;By obtaining ambient brightness data, brightness regulation is carried out using luminance adjustment module 135;In this way
The brightness of large screen display wall and the adjust automatically of color may be implemented, carry out manual debugging without user, high-efficient effect is good.
Preferably, as shown in Fig. 2, the color correction module 133 includes color correction information acquisition unit 1331, color
Control information computing unit 1332, color correction information judging unit 1333 and color correction parameters computing unit 1334.It is described
Color correction information acquisition unit 1331 gives color correction for obtaining the 11 acquired image Data Concurrent of camera
Information calculating unit 1332;The color correction information calculating unit 1332 is used for the image according to acquired in image collection module
Data calculate color difference.The color correction information judging unit 1333 is used for according to the color correction information calculating unit
The 1332 color difference results being calculated judge whether to meet the requirements, if then terminating, if otherwise by the color difference
As a result it is sent to the color correction parameters computing unit 1334;The color correction parameters computing unit 1334 is according to the face
Color difference results calculate color correction parameters.It is appreciated that not necessarily disposably adjustment terminates color correction, it is possible to
It is that adjustment is multiple, until the color correction information judging unit 1333 judgement, which meets the requirements, just to be terminated.
In some preferred embodiments, the color correction information calculating unit 1332 is to be converted to according to image data
Colour space coordinate, and do comparing calculation between standard color space coordinate and obtain color difference;Preferably, the colour space coordinate
For CIEXYZ colour space coordinate, CIEYxy colour space coordinate or CIELAB color space coordinate.It is appreciated that most start can be
Standard color space coordinate is determined under standard shows effect, then can be counted by doing comparison between standard color space coordinate
Calculate color difference size.The color correction parameters include the offset or gain of R, G, B value, by adjusting colour-difference is made always
Different reduction or disappearance.The determination of the color correction parameters can be first carry out each parameter to the influence of coordinate after, carry out corresponding
Analysis determine.Further, the color correction parameters include the gain of R, G, B value.
Such as when colour space coordinate is CIELAB color space coordinate, coordinate is defined as (L*, a*, b*), and wherein L* table
Show brightness, therefore can ignore in color correction, therefore two coordinate values of a*, b* can be only seen.Then lead to respectively
It crosses experiment to determine, the influence to two coordinate values of a*, b* of R, G, B value, so as to obtain detailed Adjusted Option.
Preferably, the large screen display wall is spliced display wall, and the size of spliced display wall can be bigger, and practicability is more
It is good.When the large screen display wall be spliced display wall when, color correction module 133 carry out color correction when needs to each splicing
The color of screen is corrected respectively.
It is communicated to connect between the controller 13 and camera 11, luminance sensor 12, wired or nothing can be used
The mode of effect.Preferably, the camera 11 is connect with the controller 13 by WIFI or Bluetooth communication.The brightness sensing
Device 12 is connect with the controller 13 by WIFI or Bluetooth communication.
Corresponding to the control system of the large screen display wall of the embodiment of the present invention one, second embodiment of the present invention provides a kind of big
Screen shows the control method of wall, including carries out brightness regulation and color correction.As shown in figure 3, the carry out brightness regulation
Include:
Step S1: ambient brightness data are obtained;
Step S2: it analyzes to obtain brightness regulation parameter using the ambient brightness data;And
Step S3: brightness regulation instruction output is formed according to brightness regulation parameter and gives large screen display wall;
As shown in figure 4, the carry out color correction includes:
Step T1: the image data of large screen display wall is obtained;
Step T2: color correction parameters are obtained using the analysis of image data;And
Step T3: color correction instruction output is formed according to color correction parameters and gives large screen display wall.
It is appreciated that the control method of the large screen display wall can pass through large screen display wall provided by embodiment one
Control system realize.
Preferably, as shown in figure 5, the step T2 includes:
Step T21: color difference is calculated according to described image data;
Step T22: judging whether to meet the requirements according to the color difference result, if then terminating, if otherwise entering step
Rapid T23;
Step T23: color correction parameters are calculated according to the color difference result.
It is appreciated that not necessarily disposably adjustment terminates color correction, it may be possible to which adjustment is multiple, until step
T22 judgement meets the requirements and just terminates.
Preferably, the step T21 is specially to be converted to colour space coordinate according to image data, and sit with standard color space
Comparing calculation is done between mark obtains color difference.Preferably, the colour space coordinate is CIEXYZ colour space coordinate, CIEYxy color
Space coordinate or CIELAB color space coordinate.It is appreciated that most starting to determine reference colour under standard shows effect
Then space coordinate can calculate color difference size by doing comparison between standard color space coordinate.The color
Correction parameter includes the offset or gain of R, G, B value, by adjusting always reducing color difference or disappearing.The color correction
The determination of parameter can be first carry out each parameter to the influence of coordinate after, carry out corresponding analysis and determine.Further, described
Color correction parameters include the gain of R, G, B value.
Such as when colour space coordinate is CIELAB color space coordinate, coordinate is defined as (L*, a*, b*), and wherein L* table
Show brightness, therefore can ignore in color correction, therefore two coordinate values of a*, b* can be only seen.Then lead to respectively
It crosses experiment to determine, the influence to two coordinate values of a*, b* of R, G, B value, so as to obtain detailed Adjusted Option.
It is aobvious by obtaining large screen by the descriptions of above embodiments it is found that the beneficial effect of the embodiment of the present invention is
The image data for showing wall carries out color correction using color correction module;By obtaining ambient brightness data, brightness regulation is utilized
Module carries out brightness regulation;The brightness of large screen display wall and the adjust automatically of color may be implemented in this way, carried out without user
Manual debugging, high-efficient, effect is good.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of control system of large screen display wall, which is characterized in that including camera, luminance sensor and controller, institute
Stating controller includes starting module, image collection module, color correction module, luminance information acquisition module, luminance adjustment module
And parameter output module;
The starting module is used to issue image capture instruction to the camera;
The camera is used to acquire the image data of large screen display wall, and is sent to described image and obtains module;
Described image obtains module and gives color correction module for obtaining the camera acquired image Data Concurrent;
The color correction module is analyzed to obtain color correction for the image data according to acquired in image collection module
Parameter, and it is sent to the parameter output module;
The luminance sensor gives the luminance information acquisition module for acquiring ambient brightness Data Concurrent;
The luminance information obtains module and gives brightness tune for obtaining luminance sensor ambient brightness Data Concurrent collected
Save module;
Luminance adjustment module ambient brightness data according to acquired in luminance information acquisition module are analyzed to obtain brightness
Adjustment parameter, and it is sent to the parameter output module;
The parameter output module exports aobvious to large screen according to color correction parameters and brightness regulation parameter formation control instruction
Show wall.
2. control system as described in claim 1, it is characterised in that: the color correction module further comprises color correction
Information acquisition unit, color correction information calculating unit, color correction information judging unit and color correction parameters computing unit;
The color correction information acquisition unit gives color school for obtaining the camera acquired image Data Concurrent
Positive information calculating unit;
The color correction information calculating unit calculates color difference for the image data according to acquired in image collection module;
The color correction information judging unit is used for the color being calculated according to the color correction information calculating unit
Difference results judge whether to meet the requirements, if then terminating, if the color difference result is otherwise sent to the color school
Positive parameter calculation unit;
The color correction parameters computing unit calculates color correction parameters according to the color difference result.
3. control system as described in claim 1, it is characterised in that: the large screen display wall is spliced display wall.
4. control system as described in claim 1, it is characterised in that: the camera and the controller pass through WIFI or indigo plant
Tooth communication connection.
5. control system as described in claim 1, it is characterised in that: the luminance sensor and the controller pass through WIFI
Or Bluetooth communication connection.
6. a kind of control method of large screen display wall, it is characterised in that: including carrying out brightness regulation and color correction;
The carry out brightness regulation includes:
Step S1: ambient brightness data are obtained;
Step S2: it analyzes to obtain brightness regulation parameter using the ambient brightness data;And
Step S3: brightness regulation instruction output is formed according to brightness regulation parameter and gives large screen display wall;
The carry out color correction includes:
Step T1: the image data of large screen display wall is obtained;
Step T2: color correction parameters are obtained using the analysis of image data;And
Step T3: color correction instruction output is formed according to color correction parameters and gives large screen display wall.
7. control method as claimed in claim 6, it is characterised in that: the step T2 includes:
Step T21: color difference is calculated according to described image data;
Step T22: judging whether to meet the requirements according to the color difference result, if then terminating, if otherwise entering step
T23;
Step T23: color correction parameters are calculated according to the color difference result.
8. control method as claimed in claim 7, it is characterised in that: the step T21 is specially to be converted according to image data
For colour space coordinate, and comparing calculation is done between standard color space coordinate and obtains color difference.
9. control method as claimed in claim 8, it is characterised in that: the colour space coordinate be CIEXYZ colour space coordinate,
CIEYxy colour space coordinate or CIELAB color space coordinate.
10. the control method as described in claim any one of 6-9, it is characterised in that: the color correction parameters include R,
G, the offset or gain of B value.
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Cited By (5)
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CN111402825A (en) * | 2020-03-31 | 2020-07-10 | 浙江宇视科技有限公司 | Screen correction method, device and system and logic board |
WO2021120564A1 (en) * | 2019-12-19 | 2021-06-24 | 深圳光启空间技术有限公司 | Screen brightness adjustment method and helmet |
CN113473100A (en) * | 2021-06-29 | 2021-10-01 | 西安热工研究院有限公司 | Color difference checking and adjusting system and method for LCD spliced screen |
CN114708821A (en) * | 2022-03-17 | 2022-07-05 | 空间显示(深圳)有限公司 | Intelligent LED display screen system based on multi-sensor data fusion |
CN117690377A (en) * | 2024-02-01 | 2024-03-12 | 深圳市研为科技有限公司 | LED display control system and terminal based on multi-sensor induction |
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CN110120207A (en) * | 2018-02-07 | 2019-08-13 | 上海济丽信息技术有限公司 | Splicing large screen chroma-luminance consistency automatic adjustment system and bearing calibration |
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Application publication date: 20191025 |