CN116386521A - Four-color display bright and dark line correction method and device and electronic equipment - Google Patents
Four-color display bright and dark line correction method and device and electronic equipment Download PDFInfo
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- CN116386521A CN116386521A CN202310626667.1A CN202310626667A CN116386521A CN 116386521 A CN116386521 A CN 116386521A CN 202310626667 A CN202310626667 A CN 202310626667A CN 116386521 A CN116386521 A CN 116386521A
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- 238000012937 correction Methods 0.000 title claims abstract description 88
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- 238000004364 calculation method Methods 0.000 claims description 6
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The application relates to the technical field of LED display, in particular to a bright and dark line correction method and device for four-color display and electronic equipment. A bright and dark line correction method for four-color display comprises the following steps: setting an LED display screen to display red, acquiring a gray value at a splicing position of the module, and calculating a red correction coefficient K1; setting an LED display screen to display green, acquiring a gray value at a splicing position of the modules, and calculating a green correction coefficient K2; setting an LED display screen to display blue, acquiring a gray value at a splicing position of the modules, and calculating a blue correction coefficient K3; setting an LED display screen to display white, acquiring a gray value at a splicing position of the module, and calculating a white correction coefficient K4; and correcting the LED display screen according to the correction coefficients K1-K4. The method improves the correction precision and the display quality of the bright and dark lines of the LED display screen.
Description
Technical Field
The application relates to the technical field of LED display, in particular to a bright and dark line correction method and device for four-color display and electronic equipment.
Background
In the field of LED display screens, the size area of an LED display screen can be not large according to outdoor requirements, and can reach hundreds of square meters. The general LED display screen is formed by splicing and assembling a plurality of LED display modules or LED display boxes, and each spliced unit can be corrected so as to maintain the excellent performance when leaving a factory. Due to the reasons of the precision of the splicing device in the splicing process, the error of manual adjustment of the splice joint and the like, the phenomenon that the splice joint between the splicing units is different in size to form bright and dark lines can be caused, the light emitting density of the light points at the splice joint is different, obvious bright lines or dark lines can appear when the LED display screen displays images, and the display quality is seriously affected.
The current method for solving the problem of bright line is mainly to calculate the distance between the lamp beads at the joint so as to calculate the correction coefficient for adjustment. When the distance is calculated, the module needs to be photographed, but when the LED display screen with small point spacing is photographed, the condition of adhering the lamp beads easily occurs, even if the correction coefficient is calculated to correct, the condition of the bright and dark lines is still obvious, the requirement on the photographing camera is high, and the correction cost is greatly increased.
Disclosure of Invention
Based on the above, it is necessary to provide a method, a device and an electronic device for correcting bright and dark lines of four-color display, aiming at the problem that the lamp beads are easy to adhere when the LED display screen with small dot spacing is photographed and corrected.
In a first aspect, the present invention provides a method for correcting a bright-dark line for four-color display, including:
setting an LED display screen to display red, acquiring a gray value at a splicing position of the module, and calculating a red correction coefficient K1;
setting an LED display screen to display green, acquiring a gray value at a splicing position of the modules, and calculating a green correction coefficient K2;
setting an LED display screen to display blue, acquiring a gray value at a splicing position of the modules, and calculating a blue correction coefficient K3;
setting an LED display screen to display white, acquiring a gray value at a splicing position of the module, and calculating a white correction coefficient K4;
and correcting the LED display screen according to the correction coefficients K1-K4.
In some embodiments, the splice includes a first reference region, a second reference region, and a splice region, the first reference region and the second reference region being edge regions of the module on both sides of the splice.
In some embodiments, the edge area is formed by at least two rows of beads.
In some embodiments thereof, the grayscale value is a grayscale average of the first reference region, the second reference region, and the seam region.
In some embodiments, the first reference area, the second reference area, and the seam area have the same number of light-emitting beads and the same light-emitting area.
In a second aspect, the application further provides a light-dark line correction device for four-color display, which comprises an image acquisition module, a calculation module and an LED controller, wherein the image acquisition module is used for reading gray values, the calculation module is used for calculating the gray values and correction coefficients, and the LED controller is used for controlling the LED display screen to display different colors and inputting different correction coefficients to correct the LED display screen.
In some embodiments, the calculating module includes a gray scale module for calculating a gray scale average value and a correction coefficient module for correcting coefficients of the LED display screen when displaying different colors.
In some embodiments, the number of the light beads in the gray average value area calculated by the gray module is at least two, and the number of the light beads in the area is the same as the light emitting area.
In a third aspect, the present application further provides an electronic device, including:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of light and dark line correction for a four color display of the first aspect.
In a fourth aspect, the present application also provides a non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by a processor, cause the processor to perform the method for correcting bright and dark lines for a four-color display according to the first aspect.
Compared with the prior art, the invention has the beneficial effects that: different from the condition of the prior art, the bright and dark line correction method for four-primary color display corrects the LED display screen by acquiring the calculated gray level, and avoids the phenomenon that lamp beads are adhered in the LED display screen with small distance calculated according to the distance after photographing, thereby causing insufficient correction precision and even poor correction effect and seriously affecting the correction quality of the LED display screen; the LED display screen is used for independently carrying out four-color correction under the condition of displaying red, green, blue and white four colors, so that the condition that bright and dark lines still exist in other colors after the LED display screen is subjected to single-color correction is avoided, and the bright and dark line correction precision and the display quality of the LED display screen are greatly improved.
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One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to scale, unless expressly stated otherwise.
FIG. 1 is a flow chart of a method for correcting bright and dark lines of a four-color display according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a four-color display bright-dark line correction device according to an embodiment of the present invention;
fig. 3 is a schematic hardware structure of an electronic device according to an embodiment of the present invention.
Description of the embodiments
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In addition, the technical features mentioned in the different embodiments of the invention described below can be combined with one another as long as they do not conflict with one another.
Referring to fig. 1, fig. 1 is a flowchart of a method for correcting bright and dark lines of a four-color display according to the present invention, wherein the method for correcting bright and dark lines of the four-color display comprises:
step S110, after the LED display screen is set to display red, gray values at the spliced positions of the modules are obtained, and a red correction coefficient K1 is calculated;
step S120, acquiring a gray value of a splicing position of the module after the LED display screen is set to display green, and calculating a green correction coefficient K2;
step S130, after blue is displayed on the LED display screen, gray values at the spliced positions of the modules are obtained, and a blue correction coefficient K3 is calculated;
step S140, acquiring a gray value of a module splicing position after the LED display screen is set to display white, and calculating a white correction coefficient K4;
and S150, correcting the LED display screen according to the correction coefficients K1-K4.
It should be noted that the splice includes a first reference area, a second reference area and a splice area, where the first reference area and the second reference area are edge areas of the modules at two sides of the splice. And the edge area is at least formed by arranging two rows of lamp beads, and particularly, the two rows of lamp beads with the same luminous quantity and luminous area are preferable. The gray value is the average gray value of the first reference area, the second reference area and the seam area, and the calculated gray values in this embodiment are all average gray values.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a four-color display bright-dark line correction device provided by the present invention, which includes an image acquisition module 210, a calculation module 220 and an LED controller 230, wherein the image acquisition module 210 is used for reading gray values, the calculation module 220 is used for calculating gray values and correction coefficients, and the LED controller 230 is used for controlling the LED display screen to display different colors and inputting different correction coefficients to correct the LED display screen. A display module (not shown) is further included, and the display module is used for controlling the LED display screen to display different single colors.
In other embodiments, the calculating module 220 further includes a gray scale module 240 and a correction coefficient module 250, where the gray scale module is used to calculate a gray scale average value, and the correction coefficient module is used to correct coefficients when the LED display screen displays different colors.
In a specific embodiment, the correction method may be that after the correction coefficient K1 is calculated, the correction of the correction coefficient K1 is performed on the display screen by the LED controller; after calculating the correction coefficient K2, correcting the correction coefficient K2 of the display screen through the LED controller; after calculating the correction coefficient K3, correcting the correction coefficient K3 of the display screen through the LED controller; after the correction coefficient K4 is calculated, the correction coefficient K4 is corrected on the display screen through the LED controller, and finally the correction is finished. Or correcting the red, green and blue correction coefficients of the display screen by using K1-K3 correction coefficients, wherein the K4 correction coefficient is used as a reference correction.
The correction mode can be that all correction coefficients K1, K2, K3 and K4 are calculated firstly, the final correction coefficient K is calculated through the LED controller, the LED display screen is corrected according to the correction coefficient K, and the correction is finished finally. There is another way of correction: the correction coefficient K4 of the display screen when displaying white light can be directly calculated, then the correction of the correction coefficient K4 is carried out on the display screen, and finally the correction is finished.
The white light correction coefficient is composed of a red correction coefficient, a green correction coefficient and a blue correction coefficient.
Fig. 3 is a schematic hardware structure of an electronic device according to an embodiment of the present application, as shown in fig. 3, an electronic device 300 includes:
one or more processors 301, one processor being illustrated in fig. 3, and a memory 302.
The processor 301 and the memory 302 may be connected by a bus or otherwise, for example in fig. 3.
The memory 302 is used as a non-volatile computer readable storage medium, and can be used to store a non-volatile software program, a non-volatile computer executable program, and a module, such as a program instruction/module corresponding to a four-color display bright-dark line correction method in the embodiment of the application. The processor 301 executes various functional applications of the electronic device and data processing by executing nonvolatile software programs, instructions and modules stored in the memory 302, that is, implements a light-dark line correction method for four-color display of the above-described method embodiment.
Embodiments of the present application also provide a non-volatile computer-readable storage medium storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the method for correcting a bright-dark line for four-color display in any of the method embodiments described above.
The components/modules/units of the system/computer apparatus integration, if implemented as software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on this understanding, the present invention may also be implemented by implementing all or part of the flow of the method of the above embodiment, or by instructing the relevant hardware by a computer program, where the computer program may be stored on a computer readable storage medium, and where the computer program, when executed by a processor, may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable storage medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals.
The invention is not a matter of the known technology.
In the several embodiments provided herein, it should be understood that the disclosed systems and methods may be implemented in other ways. For example, the system embodiments described above are merely illustrative, e.g., the division of the components is merely a logical functional division, and additional divisions may be implemented in practice.
In addition, each functional module/component in the embodiments of the present invention may be integrated in the same processing module/component, or each module/component may exist alone physically, or two or more modules/components may be integrated in the same module/component. The integrated modules/components described above may be implemented in hardware or in hardware plus software functional modules/components.
It will be evident to those skilled in the art that the embodiments of the invention are not limited to the details of the foregoing illustrative embodiments, and that the embodiments of the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of embodiments being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units, modules or means recited in a system, means or terminal claim may also be implemented by means of software or hardware by means of one and the same unit, module or means. The terms first, second, etc. are used to denote a name, but not any particular order.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A method for correcting a bright-dark line for a four-color display, comprising:
setting an LED display screen to display red, acquiring a gray value at a splicing position of the module, and calculating a red correction coefficient K1;
setting an LED display screen to display green, acquiring a gray value at a splicing position of the modules, and calculating a green correction coefficient K2;
setting an LED display screen to display blue, acquiring a gray value at a splicing position of the modules, and calculating a blue correction coefficient K3;
setting an LED display screen to display white, acquiring a gray value at a splicing position of the module, and calculating a white correction coefficient K4;
and correcting the LED display screen according to the correction coefficients K1-K4.
2. The method for correcting bright and dark lines of a four-color display according to claim 1, wherein the joint comprises a first reference area, a second reference area and a joint area, and the first reference area and the second reference area are edge areas of the modules at both sides of the joint.
3. The method of claim 2, wherein the edge area is formed by at least two rows of beads.
4. A light-dark line correction method for four-color display according to claim 3, wherein the gradation value is a gradation average value of the first reference region, the second reference region and the joint region.
5. The method of claim 4, wherein the first reference area, the second reference area, and the seam area have the same number of light-emitting beads and light-emitting areas.
6. The light and dark line correction device for four-color display is characterized by comprising an image acquisition module, a calculation module and an LED controller, wherein the image acquisition module is used for reading gray values, the calculation module is used for calculating the gray values and correction coefficients, and the LED controller is used for controlling the LED display screen to display different colors and inputting different correction coefficients to correct the LED display screen.
7. The device for correcting bright and dark lines for four-color display according to claim 6, wherein the calculating module comprises a gray scale module and a correction coefficient module, the gray scale module is used for calculating a gray scale average value, and the correction coefficient module is used for correcting coefficients when the LED display screen displays different colors.
8. The device for correcting bright and dark lines of four-color display according to claim 6, wherein the arrangement of the light beads in the gray average value area calculated by the gray module is at least two rows, and the number of light emitting beads in the area is the same as the light emitting area.
9. An electronic device, comprising:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of bright-dark line correction for a four-color display of any one of claims 1-5.
10. A non-transitory computer readable storage medium storing computer executable instructions which, when executed by a processor, cause the processor to perform the method of light and dark line correction for a four color display as claimed in any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310626667.1A CN116386521A (en) | 2023-05-31 | 2023-05-31 | Four-color display bright and dark line correction method and device and electronic equipment |
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| CN202310626667.1A CN116386521A (en) | 2023-05-31 | 2023-05-31 | Four-color display bright and dark line correction method and device and electronic equipment |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578429A (en) * | 2013-11-01 | 2014-02-12 | 深圳市奥拓电子股份有限公司 | LED display screen system and rectifying method for bright and dark lines thereof |
| CN103778887A (en) * | 2013-03-21 | 2014-05-07 | 西安电子科技大学 | Method and device for correcting brightness of LED display device |
| CN104966493A (en) * | 2015-07-31 | 2015-10-07 | 西安诺瓦电子科技有限公司 | Method for compensating spliced bright and dark lines |
| CN104992669A (en) * | 2015-07-07 | 2015-10-21 | 西安诺瓦电子科技有限公司 | Splicing bright and dark line compensation method and device |
| CN106373523A (en) * | 2016-11-21 | 2017-02-01 | 西安诺瓦电子科技有限公司 | Splicing bright/dark line compensation method |
| CN108630142A (en) * | 2018-05-13 | 2018-10-09 | 上海诣阔软件有限公司 | A kind of correction LED display piece method |
| CN109671388A (en) * | 2019-01-22 | 2019-04-23 | 利亚德光电股份有限公司 | The acquisition methods and device of correction data |
| CN112150965A (en) * | 2019-06-27 | 2020-12-29 | 西安诺瓦星云科技股份有限公司 | Spliced bright and dark line correction method and spliced bright and dark line correction system |
| CN112201199A (en) * | 2020-10-22 | 2021-01-08 | 季华实验室 | LED splicing gap bright and dark line correction method and device, storage medium and terminal |
| CN114241983A (en) * | 2021-12-31 | 2022-03-25 | 季华实验室 | Folding screen display uniformity compensation method and device, electronic equipment and storage medium |
| CN114708829A (en) * | 2022-05-07 | 2022-07-05 | 苏州朗捷通智能科技有限公司 | Seamless display control system of LED (light emitting diode) spliced display screen |
-
2023
- 2023-05-31 CN CN202310626667.1A patent/CN116386521A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778887A (en) * | 2013-03-21 | 2014-05-07 | 西安电子科技大学 | Method and device for correcting brightness of LED display device |
| CN103578429A (en) * | 2013-11-01 | 2014-02-12 | 深圳市奥拓电子股份有限公司 | LED display screen system and rectifying method for bright and dark lines thereof |
| CN104992669A (en) * | 2015-07-07 | 2015-10-21 | 西安诺瓦电子科技有限公司 | Splicing bright and dark line compensation method and device |
| CN104966493A (en) * | 2015-07-31 | 2015-10-07 | 西安诺瓦电子科技有限公司 | Method for compensating spliced bright and dark lines |
| CN106373523A (en) * | 2016-11-21 | 2017-02-01 | 西安诺瓦电子科技有限公司 | Splicing bright/dark line compensation method |
| CN108630142A (en) * | 2018-05-13 | 2018-10-09 | 上海诣阔软件有限公司 | A kind of correction LED display piece method |
| CN109671388A (en) * | 2019-01-22 | 2019-04-23 | 利亚德光电股份有限公司 | The acquisition methods and device of correction data |
| CN112150965A (en) * | 2019-06-27 | 2020-12-29 | 西安诺瓦星云科技股份有限公司 | Spliced bright and dark line correction method and spliced bright and dark line correction system |
| CN112201199A (en) * | 2020-10-22 | 2021-01-08 | 季华实验室 | LED splicing gap bright and dark line correction method and device, storage medium and terminal |
| CN114241983A (en) * | 2021-12-31 | 2022-03-25 | 季华实验室 | Folding screen display uniformity compensation method and device, electronic equipment and storage medium |
| CN114708829A (en) * | 2022-05-07 | 2022-07-05 | 苏州朗捷通智能科技有限公司 | Seamless display control system of LED (light emitting diode) spliced display screen |
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