CN112102773B - Method, device and system for adjusting splicing bright and dark lines of LED display screen - Google Patents
Method, device and system for adjusting splicing bright and dark lines of LED display screen Download PDFInfo
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- CN112102773B CN112102773B CN202011003980.2A CN202011003980A CN112102773B CN 112102773 B CN112102773 B CN 112102773B CN 202011003980 A CN202011003980 A CN 202011003980A CN 112102773 B CN112102773 B CN 112102773B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The invention relates to a device, a method and a system for adjusting spliced bright and dark lines of an LED display screen, wherein the method comprises the following steps: the LED control device instructs the LED display screen to display a special test image for bright and dark lines; the smart phone shoots at least one picture at a place where an LED display screen needs to be subjected to bright and dark line adjustment, and bright and dark line data are generated and converted into a two-dimensional code sequence one by one; the LED control device scans the two-dimensional code sequences of the smart phone screen one by one through the two-dimensional code reader; the LED control device decodes the two-dimensional code sequence and restores bright and dark line data; the bright and dark line data comprises a plurality of pixel positions and bright and dark line coefficients; and the LED control device adjusts the bright and dark lines of the LED display screen by using the obtained bright and dark line data. The invention has the advantages of low cost, high response speed and no need of carrying a professional camera.
Description
Technical Field
The invention belongs to the technical field of LED display, and particularly relates to a method, a device and a system for adjusting spliced bright and dark lines of an LED display screen.
Background
When the box body/module of the LED display screen is installed, physical structure deviation exists, so that the pixel distance between the box body/module is different from the normal pixel distance in the module, and bright and dark line phenomena at the splicing position of the box body/module are generated. In order to eliminate the phenomenon of splicing bright and dark lines of the LED display screen, the LED display screen control system needs to perform image compensation on the bright and dark line occurrence positions, so that a user needs to input bright and dark line data of a screen body. The prior art mainly has the following two adjusting modes: manually adjusting or processing the image after the camera takes a picture; the technical problems in the prior art are that manual adjustment is time-consuming and labor-consuming, a plurality of photos need to be taken by taking photos through a camera, and uploading of the photos is troublesome; in order to take pictures as few as possible, the number of pixels of the LED display screen which is taken by a single picture is large, and a professional camera with high cost is required to be used.
Disclosure of Invention
The invention aims to provide a method, a device and a system for adjusting spliced bright and dark lines of an LED display screen, so as to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
an embodiment of the invention provides a method for adjusting spliced bright and dark lines of an LED display screen, which comprises the following steps:
the LED control device instructs the LED display screen to display a special test image for bright and dark lines;
the smart phone shoots at least one picture at the position of an LED box body or a module splicing seam of an LED display screen needing bright and dark line adjustment, and bright and dark line data are generated;
the smart phone converts the bright and dark line data into bright and dark line adjusting instruction two-dimensional code sequences one by one according to the bright and dark line data;
the LED control device scans the two-dimensional code sequences displayed by the screen of the smart phone one by one through the two-dimensional code reader;
the LED control device decodes the two-dimensional code sequence and restores a bright and dark line adjusting instruction;
the LED control device adjusts the bright and dark lines of the LED display screen by using the obtained bright and dark line adjusting instruction;
the smart phone generates a two-dimensional code which enables the LED display screen to exit a special test image for the bright and dark lines, and the LED control device reads the two-dimensional code through a two-dimensional code reader and instructs the LED display screen to exit a special test image mode for the bright and dark lines.
Preferably, the content of the photo includes a multi-pixel solid border at the seam, and a unique graphic sign of a module or box in which the seam is located.
Preferably, according to the content of the photo, bright and dark line data at the seams are generated, and the bright and dark line data comprise seam bright and dark line coefficients and coordinate information of the seam bright and dark line coefficients in the LED display screen.
Preferably, the step of taking at least one picture comprises:
the smart phone takes at least one picture at a place where the LED display screen needs to be adjusted by bright and dark lines;
the smart phone selects one picture from at least one picture shot at a place where bright and dark lines of each LED display screen need to be adjusted according to the selected scene by combining the shooting distance and the angle;
the smart phone judges whether the selected photo completely comprises the adjacent modules or boxes on the two sides of the bright and dark line, if so, the next step is carried out, if not, the previous step is carried out, another photo is selected, and if the photo cannot be selected, the smart phone returns to the step to shoot at least one photo at the place where the LED display screen needs to be adjusted by the bright and dark line;
and the smart phone codes the photos completely comprising the adjacent modules or boxes on the two sides of the bright and dark lines and generates corresponding bright and dark line data according to the codes.
The embodiment of the invention also provides a device for adjusting the spliced bright and dark lines of the LED display screen, which is characterized by comprising the following components: the system comprises an LED control device, a smart phone, an LED display screen and a two-dimensional code reader;
the LED control device includes:
the instruction module is used for instructing the LED display screen to display a special test image for bright and dark lines; the system is also used for sending a bright and dark line adjusting instruction;
the two-dimensional code receiving module is used for receiving data sent by the two-dimensional code reader;
the data reduction module is used for reducing the bright and dark line data;
the bright and dark line adjusting module is used for adjusting the bright and dark lines of the LED display screen by utilizing the obtained bright and dark line data;
the LED display screen is used for receiving instructions to display a special test image for bright and dark lines;
the smart phone comprises:
the photographing module is used for photographing at least one picture at a place where the bright and dark lines of the LED display screen need to be adjusted;
the conversion module is used for converting the generated bright and dark line data into two-dimensional code sequences one by one;
the coding module is used for coding the complete picture comprising the adjacent modules or boxes on the two sides of the bright and dark lines;
the two-dimensional code reader comprises:
the two-dimensional code reading module is used for decoding the two-dimensional code sequence;
and the data receiving and transmitting module is used for receiving the data sent by the smart phone and sending the data to the LED control device.
The embodiment of the invention also provides a system for adjusting the spliced bright and dark lines of the LED display screen, and the system for adjusting the spliced bright and dark lines of the LED display screen is used for realizing the method for adjusting the spliced bright and dark lines of the LED display screen in any embodiment of the invention.
An embodiment of the present application further provides a storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for adjusting splicing bright and dark lines of an LED display screen according to any embodiment of the present application.
According to the method, the device and the system for adjusting the spliced bright and dark lines of the LED display screen, provided by the invention, the bright and dark lines of the LED display screen are adjusted through software, the cost is low, the response speed is high, the adjustment precision is high, and the adjustment and correction of the spliced bright and dark lines of the LED display screen can be finished without carrying a professional camera; the application of the 5G smart phone is also provided, and the device can be widely applied to 5G big data and cloud processors, so that the beneficial effects of adjusting and correcting the spliced bright and dark lines of the LED display screen can be achieved by realizing remote data interaction with the LED control device more conveniently, quickly and accurately.
Drawings
FIG. 1 is a flowchart of a method for adjusting a spliced bright line and a spliced dark line of an LED display screen according to an embodiment of the present invention;
FIG. 2 is a flowchart of the steps for taking at least one photograph according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of an apparatus for adjusting the splicing bright and dark lines of an LED display screen according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a system for adjusting splicing bright and dark lines of an LED display screen according to an embodiment of the present invention.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
According to the technical scheme, manual adjustment is not relied on, the smart phone two-dimensional code technology has the beneficial effects of high efficiency and rapidness in data transmission, time and labor saving, multiple pictures can be obtained without taking pictures through a professional camera, uploading of the pictures is simple and feasible, the picture recognition accuracy is higher, and the adjustment of the bright and dark lines of the LED display screen is simpler, more convenient and quicker.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for adjusting a spliced bright line and a dark line of an LED display screen according to an embodiment of the present invention; the method for adjusting the spliced bright and dark lines of the LED display screen comprises the following steps:
step S110, the LED control device instructs an LED display screen to display a special test image for bright and dark lines;
specifically, the test image takes an LED module or a box body as a unit, a frame is a multi-pixel solid-line frame, and the center is a unique graphic mark of the module or the box body; for example, the only graphical indicia shown in FIG. 4 are the letter numbers a-l of the module or case;
s120, the smart phone shoots at least one picture at the position of an LED box body or module splicing seam of the LED display screen, where bright and dark lines need to be adjusted; generating bright and dark line data;
step S130, the smart phone converts the bright and dark line data into bright and dark line adjusting instruction two-dimensional code sequences one by one;
step S140, the LED control device scans the two-dimensional code sequences displayed on the screen of the smart phone one by one through a two-dimensional code reader;
s150, decoding the two-dimensional code sequence by the LED control device, and restoring a bright and dark line adjusting instruction;
s160, the LED control device adjusts the bright and dark lines of the LED display screen by using the obtained bright and dark line adjusting instruction;
step S170, the smart phone generates a two-dimensional code enabling the LED display screen to exit the special test image for the bright and dark lines, the LED control device reads the two-dimensional code through a two-dimensional code reader, and instructs the LED display screen to exit the special test image mode for the bright and dark lines.
In some embodiments, the content of the photograph includes a multi-pixel solid border at the seam, and a unique graphical logo of the module or box in which the seam is located.
In some embodiments, according to the content of the photo, bright and dark line data at the seams are generated, and the bright and dark line data comprise seam bright and dark line coefficients and coordinate information of the seams in the LED display screen.
In some embodiments, as shown in fig. 2, the step of taking at least one photograph comprises:
s12010, the smart phone shoots at least one picture at a place where the bright and dark lines of the LED display screen need to be adjusted;
s12020, selecting one picture from at least one picture shot at a place where bright and dark lines of each LED display screen need to be adjusted according to the selected scene by the smart phone in combination with the shooting distance and the shooting angle;
in some optional embodiments, for example, the scene selected by the smartphone is outdoors, the shooting distance is 5 meters, the angle of elevation is 20 degrees, five photos including an upper photo, a lower photo, a left photo, a right photo and a middle photo are shot at the position where the bright and dark line adjustment needs to be performed for each LED display screen, and the smartphone selects one photo including the position where the bright and dark line adjustment needs to be performed from the five photos according to the selected scene in combination with the shooting distance and the angle;
s12030, the smart phone judges whether the selected photo completely comprises the adjacent modules or boxes on two sides of the bright and dark line, if so, the next step is carried out, and if not, the previous step is carried out;
specifically, when a photo cannot be selected in the step, the smart phone needs to return to the step to shoot at least one photo in a place where the LED display screen needs to be adjusted by bright and dark lines, and then the step is continued to select the photo; in some optional embodiments, the smart phone may complete the determination through an installed APP with a graph recognition function;
s12040, the smart phone codes the photos completely comprising the adjacent modules or boxes on the two sides of the bright and dark line position, and generates corresponding bright and dark line data according to the codes.
Specifically, as shown in fig. 4, the code may be formed by using the same arabic numbers and box numbers for a plurality of boxes on one side of the bright and dark lines, for example, the LED display 30 has spliced bright and dark lines at the joints between the box a, the box e, the box i, the box b, the box f, and the box j; the left bright and dark line codes are 1a, 1e, 1i, and the right bright and dark line codes are: 2b, 2f, 2 j.
Referring to fig. 3, fig. 3 is a schematic view of an apparatus for adjusting splicing bright and dark lines of an LED display screen according to an embodiment of the present invention; the device comprises: the system comprises an LED control device 10, a smart phone 20, an LED display screen 30 and a two-dimensional code reader 40;
the LED control device 10 includes:
the instruction module 1 is used for instructing the LED display screen to display a special test image for bright and dark lines; the system is also used for sending a bright and dark line adjusting instruction;
the two-dimensional code receiving module 3 is used for receiving data sent by the two-dimensional code reader;
the data restoration module 4 is used for converting the two-dimensional code data into instructions;
the bright and dark line adjusting module 5 is used for adjusting the bright and dark lines of the LED display screen by using the obtained bright and dark line data;
the LED display screen 30 is used for receiving instructions to display a special test image for bright and dark lines;
the smart phone 20 includes:
the photographing module 21 is used for photographing at least one picture at a place where the bright and dark lines of the LED display screen need to be adjusted;
the conversion module 23 is configured to convert the generated bright and dark line data into two-dimensional code sequences one by one;
the coding module 24 is used for coding the complete picture comprising the adjacent modules or boxes on the two sides of the bright and dark lines;
the two-dimensional code reader comprises:
a two-dimensional code reading module 41, configured to decode the two-dimensional code sequence;
the data transceiver module 42 is used for receiving the data sent by the smart phone and sending the data to the LED control device;
the embodiment of the invention also provides a system for adjusting the spliced bright and dark lines of the LED display screen, and the system for adjusting the spliced bright and dark lines of the LED display screen is used for realizing the method for adjusting the spliced bright and dark lines of the LED display screen in any embodiment of the invention. Referring to fig. 4, fig. 4 is a schematic diagram of a system for adjusting splicing bright and dark lines of an LED display screen according to an embodiment of the present invention; the system realizes the adjustment of the spliced bright and dark lines of the LED display screen through the LED control device 10, the smart phone 20, the LED display screen 30 and the two-dimensional code reader 40; the LED control device 10 controls the smart phone 20 in a wireless mode, and the LED control device 10 controls the LED display screen 30 in a wired or wireless mode; the smart phone 20 takes a picture of the LED display screen 30 and performs data analysis to form a two-dimensional code, reads data information through the two-dimensional code reader 40, and sends the data information to the LED control device 10 through the two-dimensional code reader 40; the LED control device 10 instructs the LED display screen 30 to adjust and splice the bright and dark lines according to the data information; in some embodiments, as shown in fig. 4, the LED display 30 has a split bright and dark line at the split joint between the cases a, e, i and the cases b, f, j; the photo comprises a multi-pixel solid line frame at the seam, unique graphic signs a, e and i of a box body where the seam is located and box bodies b, f and j, bright and dark line data at the seam are generated according to photo content, and the bright and dark line data comprise seam bright and dark line coefficients and coordinate information of the seam bright and dark line coefficients in an LED display screen; the coordinate information is respectively in one-to-one correspondence with the box body a, the box body e, the box body i, the box body b, the box body f and the box body j.
The system has the application through the smart phone, and can be widely applied to 5G big data and cloud processors, so that the beneficial effects of adjusting and correcting the spliced bright and dark lines of the LED display screen can be achieved by achieving remote data interaction with the LED control device more conveniently, quickly and accurately.
Embodiments of the present application further provide an electronic device comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor-executable instructions, when invoked and executed by the processor, causing the processor to: the method for adjusting the spliced bright and dark lines of the LED display screen is realized.
An embodiment of the present invention further provides a storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for adjusting splicing bright and dark lines of an LED display screen according to any of the above embodiments.
The system/computer device integrated components/modules/units, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the above embodiments may be implemented by a computer program, which may be stored in a computer readable storage medium and used by a processor to implement the steps of the above method embodiments. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an 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, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The invention is not the best known technology.
In the several embodiments provided in the present invention, it should be understood that the disclosed system and method may be implemented in other ways. For example, the system embodiments described above are merely illustrative, and for example, the division of the components is only one logical division, and other divisions may be realized in practice.
In addition, each functional module/component in each embodiment of the present invention may be integrated into the same processing module/component, or each module/component may exist alone physically, or two or more modules/components may be integrated into the same module/component. The integrated modules/components can be implemented in the form of hardware, or can be implemented in the form of hardware plus software functional modules/components.
It will be evident to those skilled in the art that the embodiments of the present invention are not limited to the details of the foregoing illustrative embodiments, and that the embodiments of the present invention are capable of being embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the 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 obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. Several units, modules or means recited in the system, apparatus or terminal claims may also be implemented by one and the same unit, module or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A method for adjusting spliced bright and dark lines of an LED display screen is characterized by comprising the following steps:
the LED control device instructs the LED display screen to display a special test image for bright and dark lines;
the smart phone shoots at least one picture at the position of an LED box body or a module assembly seam of an LED display screen needing bright and dark line adjustment, and selects one picture from at least one picture shot at the position of each LED display screen needing bright and dark line adjustment according to the selected scene by combining shooting distance and angle; the smart phone judges whether the selected photo completely comprises the adjacent modules or boxes on the two sides of the bright and dark line, if so, the next step is carried out, if not, the previous step is carried out, another photo is selected, and if the photo cannot be selected, the smart phone returns to the step to shoot at least one photo at the place where the LED display screen needs to be adjusted by the bright and dark line; the smart phone codes the photos completely comprising the adjacent modules or boxes on the two sides of the bright and dark lines, and generates corresponding bright and dark line data according to the codes;
the smart phone converts the bright and dark line data into bright and dark line adjusting instruction two-dimensional code sequences one by one according to the bright and dark line data;
the LED control device scans the two-dimensional code sequences displayed by the screen of the smart phone one by one through the two-dimensional code reader;
the LED control device decodes the two-dimensional code sequence and restores a bright and dark line adjusting instruction;
the LED control device adjusts the bright and dark lines of the LED display screen by using the obtained bright and dark line adjusting instruction;
the smart phone generates a two-dimensional code which enables the LED display screen to exit a special test image for the bright and dark lines, and the LED control device reads the two-dimensional code through a two-dimensional code reader and instructs the LED display screen to exit a special test image mode for the bright and dark lines.
2. The method for adjusting the splicing brightness and darkness lines of the LED display screen according to claim 1, wherein the content of the photo includes a multi-pixel solid line frame at the seam and a unique graphic sign of a module or a box where the seam is located.
3. The method for adjusting splicing bright and dark lines of the LED display screen according to claim 2, wherein bright and dark line data at the splicing seams are generated according to the content of the photos, and the bright and dark line data comprise splicing seam bright and dark line coefficients and coordinate information of the splicing seam bright and dark line coefficients in the LED display screen.
4. The utility model provides an adjust device of bright dark line of LED display screen concatenation which characterized in that, adjust device of bright dark line of LED display screen concatenation includes: the system comprises an LED control device, a smart phone, an LED display screen and a two-dimensional code reader;
the LED control device includes:
the instruction module is used for instructing the LED display screen to display a special test image for bright and dark lines; the system is also used for sending a bright and dark line adjusting instruction;
the two-dimensional code receiving module is used for receiving data sent by the two-dimensional code reader;
the data reduction module is used for reducing the bright and dark line data;
the bright and dark line adjusting module is used for adjusting the bright and dark lines of the LED display screen by utilizing the obtained bright and dark line data;
the LED display screen is used for receiving instructions to display a special test image for bright and dark lines;
the smart phone comprises:
the photographing module is used for photographing at least one picture at a place where the bright and dark lines of the LED display screen need to be adjusted;
the conversion module is used for converting the generated bright and dark line data into two-dimensional code sequences one by one;
the coding module is used for coding the photos completely comprising the adjacent modules or boxes on two sides of the bright and dark lines in the method for adjusting the splicing of the bright and dark lines of the LED display screen, which is disclosed by any one of claims 1 to 3;
the two-dimensional code reader comprises:
the two-dimensional code reading module is used for decoding the two-dimensional code sequence;
and the data receiving and transmitting module is used for receiving the data sent by the smart phone and sending the data to the LED control device.
5. The system for adjusting the splicing bright and dark lines of the LED display screen is used for realizing the method for adjusting the splicing bright and dark lines of the LED display screen, which is disclosed by any one of claims 1 to 3.
6. A storage medium having a computer program stored thereon, wherein the computer program when executed by a processor implements the method of adjusting splicing bright and dark lines of an LED display screen according to any one of claims 1 to 3.
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| CN111538471A (en) * | 2020-04-21 | 2020-08-14 | 武汉市奥拓智能科技有限公司 | Display screen voice control and maintenance device, method and system |
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