CN113315930A - Image display method, device, medium and system of spliced screen - Google Patents
Image display method, device, medium and system of spliced screen Download PDFInfo
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- CN113315930A CN113315930A CN202110855770.4A CN202110855770A CN113315930A CN 113315930 A CN113315930 A CN 113315930A CN 202110855770 A CN202110855770 A CN 202110855770A CN 113315930 A CN113315930 A CN 113315930A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
- G06F15/17—Interprocessor communication using an input/output type connection, e.g. channel, I/O port
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
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Abstract
The invention relates to the field of image display, and discloses an image display method of a spliced screen, which comprises the steps of sequentially carrying out serial transmission on initial HDMI signals sent by an external console among all main control boards; the control main control board cuts the initial HDMI signal into a plurality of sub-HDMI signals according to the array data of the matrix, and screens out corresponding target HDMI signals from the plurality of sub-HDMI signals according to the corresponding position serial numbers of the corresponding screens in the matrix; and controlling all the main control boards to send the corresponding target HDMI signals to the corresponding screens to display target pictures, and combining the target pictures corresponding to all the screens to obtain the total target picture of the spliced screen. The image display method of the spliced screen gets rid of the use dependence on the HDMI matrix equipment, and enlarges the use range of the picture display of the spliced screen.
Description
Technical Field
The invention relates to the field of image display, in particular to an image display method, equipment, a medium and a system of a spliced screen.
Background
Tiled screens are commonly used in various areas of life as image display devices. The concatenation screen is formed by the concatenation of polylith screen, and every screen is all controlled by an solitary main control board in addition, and present concatenation screen is when carrying out image display, need connect earlier at an solitary HDMI matrix equipment with the signal source, and the initial HDMI signal that sends the signal source by HDMI matrix equipment again is tailor to on will tailorring the HDMI signal output to the main control board on the different screens, thereby realize the image display on the concatenation screen. The display of the existing splicing screen excessively depends on the HDMI matrix equipment arranged outside, and once the HDMI matrix equipment breaks down or is forgotten to be taken when the outdoor operation is carried out, the splicing screen cannot normally display images, so that the existing splicing screen has great requirements on the use conditions when the images are displayed, and the use of the whole splicing screen has great limitation.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide an image display method of a tiled screen, which can solve the problem that the use condition of the existing tiled screen has a large requirement when displaying images, so that the use of the whole tiled screen has a large limitation.
The second purpose of the present invention is to provide an image display system of a tiled screen, which can solve the problem that the use of the whole tiled screen has great limitations due to the great requirements on the use conditions of the existing tiled screen during image display.
The invention also aims to provide electronic equipment which can solve the problem that the use condition of the existing spliced screen has a large requirement when the image is displayed, so that the use of the whole spliced screen has great limitation.
The fourth objective of the present invention is to provide a computer-readable storage medium, which can solve the problem that the existing tiled screen has a great requirement on the use condition when displaying images, so that the use of the whole tiled screen has great limitations.
One of the purposes of the invention is realized by adopting the following technical scheme:
an image display method of a spliced screen comprises a plurality of screens which are arranged in a matrix manner, each screen is provided with a main control board, and each main control board is provided with an HDMI receiving port and an HDMI output port, and the method comprises the following steps:
the screens are connected in series, and all the main control boards are connected in series through the HDMI receiving port and the HDMI output port according to the position serial numbers corresponding to the screens in the matrix;
transmitting an initial HDMI signal, and sequentially carrying out serial transmission on the initial HDMI signal transmitted by an external console among all the main control boards;
signal cutting, namely controlling a main control board to cut the initial HDMI signal into a plurality of sub-HDMI signals according to the array data of the matrix, and screening out corresponding target HDMI signals from the plurality of sub-HDMI signals according to the position serial numbers of the corresponding screens in the matrix;
and (4) displaying pictures, namely controlling all the main control boards to send the corresponding target HDMI signals to the corresponding screens to display the target pictures, and combining the target pictures corresponding to all the screens to obtain the total target picture of the spliced screen.
Further, every all be provided with signal repeater on the main control board, signal repeater one end is connected with HDMI receiving port, the signal repeater other end is connected with HDMI output port and main control board respectively, serial transmission specifically is: the initial HDMI signal is input from an HDMI receiving port on one main control panel, then is transmitted to an HDMI output port through a signal repeater on the main control panel, and finally is output to an HDMI receiving port on the other main control panel which is connected in series through the HDMI output port.
Further, the array data comprises a matrix row number and a matrix column number, and the signal clipping comprises: and calculating the total number of screens according to the number of the matrix rows and the number of the matrix columns, and cutting the initial HDMI signals into a plurality of sub HDMI signals by the main control board according to the number of the matrix rows and the number of the matrix columns, wherein the number of the sub HDMI signals is the same as the total number of the screens.
Furthermore, the plurality of sub-HDMI signals are arranged in a matrix, and the main control board numbers all the sub-HDMI signals according to the position of each sub-HDMI signal in the corresponding signal matrix, so as to obtain the signal sequence numbers corresponding to the sub-HDMI signals.
Further, the step of screening out a corresponding target HDMI signal from the plurality of sub-HDMI signals according to the position serial number corresponding to the screen in the matrix specifically includes: and the main control board screens the corresponding signal serial numbers according to the corresponding position serial numbers of the corresponding screens in the matrix, and screens the corresponding sub-HDMI signals according to the signal serial numbers to serve as target HDMI signals.
Further, the main control board is further provided with an LVDS signal output port, the LVDS signal output port is respectively connected with the main control board and the TCON board in the corresponding screen, and sending the corresponding target HDMI signal to the corresponding screen for target image display specifically includes: the main control board converts the corresponding target HDMI signal into an LVDS signal, and the main control board outputs the LVDS signal to the TCON board in the corresponding screen through the LVDS signal output port for target picture display.
The second purpose of the invention is realized by adopting the following technical scheme:
an image display system of a spliced screen comprises a plurality of screens arranged in a matrix manner, and comprises a main control board and a TCON board which are arranged on each screen, wherein each main control board is provided with an HDMI receiving port, an HDMI output port, a signal repeater and an LVDS signal output port;
the initial HDMI signal sent by the external console is input from the HDMI receiving port on one main control panel, then is transmitted to the HDMI output port through the signal repeater on the main control panel, and finally is output to the HDMI receiving port on the other main control panel which is connected in series through the HDMI output port until all the main control panels receive the initial HDMI signal through the HDMI receiving port, the main control board cuts the initial HDMI signal into a plurality of sub HDMI signals according to the array data of the matrix, the main control board screens out corresponding target HDMI signals from the plurality of sub HDMI signals according to the position serial numbers corresponding to the screens in the matrix, the main control board converts the corresponding target HDMI signals into LVDS signals, the main control board outputs the LVDS signals to the TCON board in the corresponding screen through the LVDS signal output port for target picture display, and the target pictures corresponding to all the screens are combined to obtain the total target picture of the spliced screen.
Further, the signal repeater is a HUB repeater.
The third purpose of the invention is realized by adopting the following technical scheme:
an electronic device, comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for performing an image display method of a tiled screen described herein.
The fourth purpose of the invention is realized by adopting the following technical scheme:
a computer-readable storage medium having stored thereon a computer program for executing by a processor a method of displaying an image of a tiled screen as described herein.
Compared with the prior art, the invention has the beneficial effects that: according to the image display method of the spliced screen, all the main control boards are connected in series through an HDMI receiving port and an HDMI output port according to the position sequence numbers corresponding to the screens in the matrix, initial HDMI signals sent by an external control console are sequentially transmitted in series among all the main control boards, finally, the main control boards on each screen cut the initial HDMI signals and screen out corresponding target HDMI signals, all the main control boards send the corresponding target HDMI signals to the corresponding screens to display target pictures, and the target pictures corresponding to all the screens are combined to obtain the total target picture of the spliced screen; the picture display of the whole spliced screen does not need to be additionally connected with HDMI matrix equipment, the use dependence on the HDMI matrix equipment is eliminated, and the use range of the picture display of the spliced screen is expanded.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic flow chart of an image display method of a tiled display screen according to the present invention;
FIG. 2 is a schematic diagram of screen arrangement in an image display method of a tiled screen according to the present invention;
fig. 3 is a schematic diagram of a main control board in series connection in the image display method of the tiled screen according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The spliced screen comprises a plurality of screens arranged in a matrix manner, all the screens are arranged according to preset matrix data, the matrix data comprise matrix row numbers and matrix column numbers, as shown in fig. 2, if the spliced screen comprises 9 screens, the matrix row numbers and the matrix column numbers are both 3, namely 3X 3; each screen has a corresponding position serial number in the screen matrix, the position serial numbers are arranged from left to right, and after the first row is arranged, the position serial numbers are arranged from the second row in sequence, as shown in fig. 2, respectively: 1. 2, 3 … …, 9. As shown in fig. 1, the image display method of the tiled screen in the present invention includes the following steps:
and (4) connecting the screens in series, and connecting all the main control boards in series through the HDMI receiving port and the HDMI output port according to the position serial numbers corresponding to the screens in the matrix. In this embodiment, each signal repeater is arranged on the main control board, one end of each signal repeater is connected with the HDMI receiving port, and the other end of each signal repeater is connected with the HDMI output port and the main control board respectively, as shown in fig. 3, matrix data is 3X3 in fig. 3 (that is, the number of matrix rows and the number of matrix columns are both 3), the main control boards between two adjacent position sequence numbers in the screen of the first row in the matrix are connected in series, the main control board of the last position sequence number of the first row is connected in series with the main control board of the last position sequence number of the second row of the next row, and the main control board of the first position sequence number of the second row is connected in series with the main control board of the first position sequence number of the third row. The specific connection mode of every two main control boards connected in series is as follows: the HDMI output port on one main control board is connected with the HDMI output port on the other main control board, so that the two main control boards are connected in series.
And transmitting the initial HDMI signals, and sequentially carrying out serial transmission on the initial HDMI signals transmitted by the external console among all the main control boards. In this embodiment, the external console is used as a transmitting device of the signal source, the first screen in the first row in the matrix is used as a first input screen for receiving an initial HDMI signal sent by the external console, the initial HDMI signal is input from an HDMI receiving port in the first screen in the first row in the matrix (position number 1), a signal repeater (HUB repeater) in the first screen receives the initial HDMI signal input from the HDMI receiving port, the signal repeater copies the initial HDMI signal into two identical initial HDMI signals, one of the initial HDMI signals is input to the main control board, the other is forwarded to an HDMI output port, and the HDMI output port in the first screen outputs an HDMI receiving port on the other main control board connected in series, so that the initial HDMI signal is serially transmitted between the two main control boards connected in series, the initial HDMI signals between the screens with different position numbers are all as described above, and will not be described in detail herein.
And signal cutting, namely controlling the main control board to cut the initial HDMI signal into a plurality of sub-HDMI signals according to the array data of the matrix, and screening out corresponding target HDMI signals from the plurality of sub-HDMI signals according to the corresponding position serial numbers in the matrix. After the main control board corresponding to each screen acquires the same initial HDMI signal, normalization processing needs to be performed on the initial HDMI signal, where the normalization processing specifically includes: judging whether the data format of the initial HDMI signal is YUV format or RGB format, if the data format is YUV format, converting the format into RGB format, wherein the conversion of the format is specifically shown in the following formula (1):
R=Y+1.4075(V-128)；
G=Y-0.3455(U-128)-0.7169(V-128)； （1）
B=Y+1.779(U-128)；
the method comprises the following steps of obtaining a signal, wherein R is a Red value of the HDMI signal in an RGB format, G is a Green value of the HDMI signal in the RGB format, B is a Blue value of the HDMI signal in the RGB format, Y is a brightness value of the HDMI signal in the YUV format, U is a chroma value of the HDMI signal in the YUV format, and V is a concentration value of the HDMI signal in the YUV format. If the format is RGB, conversion is not needed, and the purpose of the step is to unify the data formats of all HDMI signals into RGB format. After the initial HDMI signals are subjected to normalization processing, the main control board calculates the total number of screens according to the number of the matrix lines and the number of the matrix columns, the main control board cuts the initial HDMI signals into a plurality of sub HDMI signals according to the number of the matrix lines and the number of the matrix columns, the number of the sub HDMI signals is the same as the total number of the screens, in the embodiment, the initial HDMI signals are RGB images, the plurality of sub HDMI signals are subimages obtained by cutting the RGB images corresponding to the initial HDMI signals, the position distribution of all the sub HDMI signals is also in matrix arrangement as the screens, a signal matrix is formed, and the number of the sub HDMI signals is consistent with the total number of the screens; each main control board arranges the serial numbers of all the sub-HDMI signals according to the positions of the sub-HDMI signals in the whole signal matrix, at the moment, each sub-HDMI signal also corresponds to a unique position serial number in the signal matrix, and the main control board numbers all the sub-HDMI signals according to the positions of each sub-HDMI signal in the corresponding signal matrix to obtain the signal serial numbers corresponding to the sub-HDMI signals. In the clipping process, because the clipped sub-HDMI signal has small pixels, the sub-HDMI signal needs to be repeatedly data-filled in an interpolation manner until the sub-HDMI signal has the same size as the initial HDMI signal.
After each main control board cuts the initial HDMI signals, the main control board screens out corresponding sub HDMI signals as target HDMI signals according to the position serial numbers of the corresponding screens in the screen matrix, and substantially, each main control board screens out the sub HDMI signals corresponding to the signal serial numbers with the same number as the sub HDMI signals as the target HDMI signals according to the position serial numbers of the corresponding screens, namely, the main control board on the screen with the position serial number of 1 selects the sub HDMI signals with the signal serial number of 1 as the corresponding target HDMI signals, so that the sub HDMI signals needing to be displayed on the corresponding screens are accurately screened out by each main control board.
And (4) displaying pictures, namely controlling all the main control boards to send the corresponding target HDMI signals to the corresponding screens to display the target pictures, and combining the target pictures corresponding to all the screens to obtain the total target picture of the spliced screen. The method specifically comprises the following steps: each master control board converts the screened target HDMI signals into LVDS signals, the LVDS signals are output to the TCON board in the corresponding screen through the LVDS signal output port for target picture display, and the target pictures on all the screens are simultaneously displayed to form a total target picture corresponding to the spliced screen.
The invention also provides an image display system of the spliced screen, wherein the spliced screen comprises a plurality of screens which are arranged in a matrix manner, and comprises a main control board and a TCON board which are arranged on each screen, each main control board is provided with an HDMI receiving port, an HDMI output port, a signal repeater and an LVDS signal output port, the HDMI receiving port is connected with the signal repeater, the signal repeater is respectively connected with the main control board and the HDMI output port, the LVDS signal output port is respectively connected with the main control board and the TCON board, and all the main control boards are connected in series through the HDMI receiving ports and the HDMI output ports according to the position sequence numbers corresponding to the screens in the matrix;
the initial HDMI signal sent by the external console is input from the HDMI receiving port on one main control panel, then is transmitted to the HDMI output port through the signal repeater on the main control panel, and finally is output to the HDMI receiving port on the other main control panel which is connected in series through the HDMI output port until all the main control panels receive the initial HDMI signal through the HDMI receiving port, the main control board cuts the initial HDMI signal into a plurality of sub HDMI signals according to the array data of the matrix, the main control board screens out corresponding target HDMI signals from the plurality of sub HDMI signals according to the corresponding position serial numbers in the matrix, the main control board converts the corresponding target HDMI signals into LVDS signals, the main control board outputs the LVDS signals to the TCON board in the corresponding screen through the LVDS signal output port for target picture display, and the target pictures corresponding to all the screens are combined to obtain the total target picture of the spliced screen. The signal repeater is a HUB repeater, the HUB is a multi-port repeater, and when the HUB is used as a center device, even if a certain line in a network has a fault, the work of other lines is not influenced.
The present invention also provides an electronic device comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for performing an image display method of a tiled screen described herein.
The present invention also provides a computer-readable storage medium having a computer program stored thereon, the computer program being executed by a processor to perform a method of displaying an image of a tiled screen as described in the present application.
According to the image display method of the spliced screen, all the main control boards are connected in series through an HDMI receiving port and an HDMI output port according to the position sequence numbers corresponding to the screens in the matrix, initial HDMI signals sent by an external control console are sequentially transmitted in series among all the main control boards, finally, the main control boards on each screen cut the initial HDMI signals and screen out corresponding target HDMI signals, all the main control boards send the corresponding target HDMI signals to the corresponding screens to display target pictures, and the target pictures corresponding to all the screens are combined to obtain the total target picture of the spliced screen; the picture display of the whole spliced screen does not need to be additionally connected with HDMI matrix equipment, the use dependence on the HDMI matrix equipment is eliminated, and the use range of the picture display of the spliced screen is expanded.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. An image display method of a spliced screen is characterized in that: the spliced screen comprises a plurality of screens arranged in a matrix manner, each screen is provided with a main control board, and each main control board is provided with an HDMI receiving port and an HDMI output port, and the method comprises the following steps:
the screens are connected in series, and all the main control boards are connected in series through the HDMI receiving port and the HDMI output port according to the position serial numbers corresponding to the screens in the matrix;
transmitting an initial HDMI signal, and sequentially carrying out serial transmission on the initial HDMI signal transmitted by an external console among all the main control boards;
signal cutting, namely controlling each main control board to cut the initial HDMI signal into a plurality of sub-HDMI signals according to the array data of the matrix, and screening out corresponding target HDMI signals from the plurality of sub-HDMI signals according to the position serial numbers of the corresponding screens in the matrix;
and (4) displaying pictures, namely controlling all the main control boards to send the corresponding target HDMI signals to the corresponding screens to display the target pictures, and combining the target pictures corresponding to all the screens to obtain the total target picture of the spliced screen.
2. The image display method of a tiled screen according to claim 1, wherein: every all be provided with signal repeater on the main control board, signal repeater one end is connected with HDMI receiving port, the signal repeater other end is connected with HDMI output port and main control board respectively, serial transmission specifically is: the initial HDMI signal is input from an HDMI receiving port on one main control panel, then is transmitted to an HDMI output port through a signal repeater on the main control panel, and finally is output to an HDMI receiving port on the other main control panel which is connected in series through the HDMI output port.
3. The image display method of a tiled screen according to claim 1, wherein: the array data comprises a matrix row number and a matrix column number, and the signal cutting comprises the following steps: and calculating the total number of screens according to the number of the matrix rows and the number of the matrix columns, and cutting the initial HDMI signals into a plurality of sub HDMI signals by the main control board according to the number of the matrix rows and the number of the matrix columns, wherein the number of the sub HDMI signals is the same as the total number of the screens.
4. The image display method of a tiled screen according to claim 3, wherein: the plurality of sub-HDMI signals are arranged in a matrix, and the main control board numbers all the sub-HDMI signals according to the position of each sub-HDMI signal in the corresponding signal matrix to obtain the signal serial numbers corresponding to the sub-HDMI signals.
5. The image display method of a tiled screen according to claim 4, wherein: the specific step of screening out the corresponding target HDMI signal from the plurality of sub-HDMI signals according to the position serial number corresponding to the screen in the matrix is as follows: and the main control board screens the corresponding signal serial numbers according to the corresponding position serial numbers of the corresponding screens in the matrix, and screens the corresponding sub-HDMI signals according to the signal serial numbers to serve as target HDMI signals.
6. The image display method of a tiled screen according to claim 1, wherein: the main control board is also provided with an LVDS signal output port which is respectively connected with the main control board and the TCON board in the corresponding screen, and the step of sending the corresponding target HDMI signal to the corresponding screen to display the target picture specifically comprises the following steps: the main control board converts the corresponding target HDMI signal into an LVDS signal, and the main control board outputs the LVDS signal to the TCON board in the corresponding screen through the LVDS signal output port for target picture display.
7. The utility model provides an image display system of concatenation screen, the concatenation screen includes that the polylith is the screen of matrix arrangement, its characterized in that: the device comprises a main control board and a TCON board which are arranged on each screen, wherein each main control board is provided with an HDMI receiving port, an HDMI output port, a signal repeater and an LVDS signal output port, the HDMI receiving port is connected with the signal repeater, the signal repeater is respectively connected with the main control board and the HDMI output port, the LVDS signal output port is respectively connected with the main control board and the TCON board, and all the main control boards are connected in series through the HDMI receiving port and the HDMI output port according to position serial numbers corresponding to screens in a matrix;
the initial HDMI signal sent by the external console is input from the HDMI receiving port on one main control panel, then is transmitted to the HDMI output port through the signal repeater on the main control panel, and finally is output to the HDMI receiving port on the other main control panel which is connected in series through the HDMI output port until all the main control panels receive the initial HDMI signal through the HDMI receiving port, the main control board cuts the initial HDMI signal into a plurality of sub HDMI signals according to the array data of the matrix, the main control board screens out corresponding target HDMI signals from the plurality of sub HDMI signals according to the corresponding position serial numbers in the matrix, the main control board converts the corresponding target HDMI signals into LVDS signals, the main control board outputs the LVDS signals to the TCON board in the corresponding screen through the LVDS signal output port for target picture display, and the target pictures corresponding to all the screens are combined to obtain the total target picture of the spliced screen.
8. The system of claim 7, wherein: the signal repeater is a HUB repeater.
9. An electronic device, characterized by comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for carrying out the method according to any one of claims 1-6.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program is executed by a processor for performing the method according to any of claims 1-6.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114339105A (en) * | 2021-12-15 | 2022-04-12 | 西安诺瓦星云科技股份有限公司 | Display control system, control method and control device |
| CN114415915A (en) * | 2022-04-01 | 2022-04-29 | 深圳爱卓软科技有限公司 | Device for automatically editing picture and picture editing method |
| CN114531610A (en) * | 2022-02-25 | 2022-05-24 | 深圳沃顿科技有限公司 | Splicing display method, device and equipment for display screen and storage medium |
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