CN106909332B - Display control method and system of spliced screen - Google Patents
Display control method and system of spliced screen Download PDFInfo
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- CN106909332B CN106909332B CN201710084580.0A CN201710084580A CN106909332B CN 106909332 B CN106909332 B CN 106909332B CN 201710084580 A CN201710084580 A CN 201710084580A CN 106909332 B CN106909332 B CN 106909332B
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- 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
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Abstract
The invention discloses a display control method and a display control system for a spliced screen. The display control method comprises the following steps: receiving a preset partition display instruction, and dividing the spliced screen into a plurality of display areas; and when a splicing display instruction is received, controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction. According to the invention, the whole picture is displayed to the user in a progressive manner by sequentially displaying each display area of the spliced screen according to the preset display sequence and the preset splicing time interval, so that the displayed picture is more perfect and smoother, and the product quality is improved.
Description
Technical Field
The invention relates to the technical field of large-screen tiled display, in particular to a display control method and a display control system for a tiled screen.
Background
Most large-screen splicing systems in the market currently send splicing instructions to a video splicing processor through a control module when splicing is realized, and after the video splicing processor receives the splicing instructions, relevant equipment (such as the control module) and a splicing unit execute the received instructions according to instruction requirements or ID identification, process signals such as cutting and zooming, and display the signals on a display screen to achieve the splicing effect.
As shown in FIG. 1, the existing mosaic screen is composed of 18 mosaic units (such as ID00-ID05, ID10-ID15 and ID20-ID25 in FIG. 1) arranged in three rows and six columns, and is spliced in series to form a whole screen, and the control is controlled by a video mosaic processor, a control host and a signal source together.
From the whole splicing process, during splicing, the control host sends a splicing instruction to the video splicing processor, so that the video splicing processor (namely, the video splicing processor/the hybrid video matrix device) switches all output signals to the same input signal, but in the project, because each video input port is in different input signal states at the early stage, when the video input port is switched to the same input port state from different input ports, time difference exists between detection and processing of different signals in each video processor, and therefore after processing of each channel is finished, when signals are sent to each splicing unit, time sequence also exists, so that the time sequence exists when the picture of the splicing unit is presented. On the other hand, because the splicing instruction is sent in a serial sending mode and the instruction transmission line is also wired in a serial mode on each splicing unit, the lengths of video processing equipment and transmission wires are caused, so that the time sequence of receiving the relevant instruction by each splicing unit is determined, the time sequence of processing signals by the relevant equipment and the splicing unit is inevitably caused, and the time sequence of displaying the pictures of the splicing units is also caused.
Therefore, when the splicing instruction is just executed, all the display units do not synchronously display related pictures, but display a ragged display effect, and the splicing effect of the whole picture cannot be displayed until the last unit completely displays the picture. In the whole process of the whole spliced picture presentation, the pictures are seriously out of synchronization, a messy visual experience is given to people, and the spliced product has a large display defect and causes imperfect defect impression.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a display control method and system for a tiled display, which can enable the tiled display to display progressively when the tiled display is switched, and improve the phenomenon of display disorder.
In order to achieve the purpose, the invention adopts the following technical scheme:
a display control method of a spliced screen comprises the following steps:
receiving a preset partition display instruction, and dividing the spliced screen into a plurality of display areas;
and when a splicing display instruction is received, controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction.
In the display control method of the tiled display, before the step of receiving a preset partitioned display instruction and dividing the tiled display into a plurality of display areas, the display control method further includes:
and splicing the sub-display screens into a spliced screen by adopting an internal splicing mode or an external splicing mode.
In the display control method of the tiled screen, if the tiled screen adopts a built-in tiled mode, when receiving a tiled display instruction, the step of controlling each display area to sequentially display images of each display area according to a preset display sequence and a preset tiled time interval according to the tiled display instruction comprises the following steps:
when receiving a splicing display instruction, sending a signal channel switching instruction to each display area;
and sending a local area splicing instruction to a first display area of the spliced screen, and sending the local area splicing instruction to a next display area of the spliced screen when a preset splicing time interval is reached, so that each display area progressively displays corresponding pictures according to a preset display sequence.
In the display control method of the tiled screen, if the tiled screen adopts an external tiled mode, when receiving a tiled display instruction, the step of controlling each display area to sequentially display images of each display area according to a preset display sequence and a preset tiled time interval according to the tiled display instruction comprises the following steps:
when receiving a splicing display instruction, sending a signal channel switching instruction and a local area splicing instruction to a first display area to display the first display area;
and when the preset splicing time interval is reached, sending a signal channel switching instruction and a local area splicing instruction to the next display area, so that each display area progressively displays corresponding pictures according to a preset display sequence.
In the display control method of the tiled screen, the partition display instruction includes: instructions are displayed progressively from top to bottom, from bottom to top, from right to left, from left to right, in a zig-zag pattern, from right to left, from both sides to the middle, or from the middle to both sides.
In the display control method of the spliced screen, the number of the display areas is 6.
A display control system of a spliced screen, which is connected with the spliced screen,
the spliced screen is used for receiving a preset partition display instruction and dividing the spliced screen into a plurality of display areas;
the display control system includes: and the display control module is used for controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction when receiving the splicing display instruction.
In the display control system of the spliced screen, the spliced screen is formed by connecting a plurality of display screens in an internal splicing mode or an external splicing mode.
In the display control system of the spliced screen, the display control module comprises a video splicing processing module and a control module;
if the splicing screen adopts a built-in splicing mode, when a splicing display instruction is received, the video splicing processing module is used for sending a signal channel switching instruction to each display area; the control module is used for sending a local area splicing instruction to a first display area of the spliced screen and sending the local area splicing instruction to a next display area of the spliced screen when a preset splicing time interval is reached, so that each display area progressively displays corresponding pictures according to a preset display sequence;
if the splicing screen adopts an external splicing mode, when a splicing display instruction is received, the video splicing processing module sends a signal channel switching instruction to a first display area and the control module sends a local area splicing instruction to the first display area so as to display the local area splicing instruction; when the preset splicing time interval is reached, the video splicing processing module sends a signal channel switching instruction to the next display area and the control module sends a local area splicing instruction to the next display area, so that each display area displays corresponding pictures gradually according to the preset display sequence.
In the display control system of the tiled screen, the partitioned display instruction includes: instructions are displayed progressively from top to bottom, from bottom to top, from right to left, from left to right, in a zig-zag pattern, from right to left, from both sides to the middle, or from the middle to both sides.
Compared with the prior art, the display control method and the display control system of the spliced screen provided by the invention have the advantages that: receiving a preset partition display instruction, and dividing the spliced screen into a plurality of display areas; and when a splicing display instruction is received, controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction. According to the invention, the whole picture is displayed to the user in a progressive manner by sequentially displaying each display area of the spliced screen according to the preset display sequence and the preset splicing time interval, so that the displayed picture is more perfect and smoother, and the product quality is improved.
Drawings
FIG. 1 is a schematic diagram of the working principle of a splicing screen provided by the prior art;
fig. 2 is a flowchart of a display control method of a tiled screen according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an operating principle of a display control system of a tiled screen according to an embodiment of the present invention;
fig. 4 is a flowchart of a specific implementation of step S200 in the display control method for a tiled display screen according to the embodiment of the present invention;
fig. 5 is a flowchart of another specific implementation of step S200 in the display control method for a tiled screen according to the embodiment of the present invention;
fig. 6 is a block diagram of a display control system of a tiled display according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a first splicing manner of a spliced screen in a display control system of the spliced screen according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a second splicing manner of a spliced screen in the display control system of the spliced screen according to the embodiment of the present invention;
fig. 9 is a schematic diagram of a third splicing manner of a spliced screen in the display control system of the spliced screen according to the embodiment of the present invention;
fig. 10 is a schematic diagram of a fourth splicing manner of a spliced screen in the display control system of the spliced screen according to the embodiment of the present invention.
Detailed Description
The invention provides a display control method and a display control system for a spliced screen, and mainly relates to the field of spliced products, in particular to the fields of LCD multi-screen splicing, LED multi-unit splicing, mixed video processors and the like. The technology of the invention can also relate to other fields, can be used in the control fields of various intelligent homes, alarm systems, large-scale LED light control and the like, and can also be applied to the fields of various products, various audio and video matrixes, large-scale communication equipment, various distributed and cloud processing and the like or engineering projects.
In order to improve the problem that when the existing splicing system receives a splicing instruction, each splicing unit gives an asynchronous chaotic vision to people in the process of overall picture presentation at the moment of picture switching, the display mode of the overall picture of the splicing system is changed by changing the instantaneous display control mode of the splicing screen for picture switching, so that the overall display effect is more perfect and smoother when the picture of a product is displayed on a large screen integrally, the aim of improving the quality of the product is fulfilled, and the market competitiveness of the product is improved.
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 2, which is a flowchart illustrating a display control method of a tiled display according to an embodiment of the present invention. As shown in fig. 2, the display control method of the tiled display screen of the present invention includes the following steps:
s100, receiving a preset partition display instruction, and dividing a spliced screen into a plurality of display areas;
and S200, when a splicing display instruction is received, controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction.
Before step S100, the display control method of the present invention further includes: and splicing the sub-display screens into a spliced screen by adopting an internal splicing mode or an external splicing mode. The number of the display areas is 6, and the display areas are sequentially controlled from the first area to the sixth area during display control, so that the 6 display areas are driven to sequentially display corresponding pictures.
The partition display instruction may be set according to each display area as: instructions are displayed progressively from top to bottom, instructions are displayed progressively from bottom to top, instructions are displayed progressively from right to left, instructions are displayed progressively from left to right in a zigzag manner, instructions are displayed progressively from right to left in a zigzag manner, instructions are displayed progressively from two sides to the middle, or instructions are displayed progressively from the middle to two sides.
Taking the progressive display of the partitioned display instruction from right to left as an example, please refer to fig. 3 together, where SKY-QYKZ in fig. 3 represents a basic region control manner, SKY-XSTX represents a progressive display manner, a tiled screen is formed by arranging 18 tiled units (ID00-ID05, ID10-ID15, ID20-ID25) in three rows and six columns, the tiled screen is divided into 6 display regions according to the column number of the tiled units, each column from right to left is a region, when large-screen tiling is required, the control module gradually sends corresponding tiled instructions to each region from right to left according to the region setting manner of the tiled system, and the time interval between each region instruction can be set according to the actual effect or the requirement of the user, so as to achieve custom tiling. When each area receives an instruction, the display of the 6 areas gradually finishes the splicing effect from right to left according to the preset splicing time interval.
Referring to fig. 4, if the tiled screen adopts a built-in tiling manner, the step S200 includes:
s201, when a splicing display instruction is received, sending a signal channel switching instruction to each display area;
s202, sending a local area splicing instruction to a first display area of the spliced screen, and sending the local area splicing instruction to a next display area of the spliced screen when a preset splicing time interval is reached, so that each display area progressively displays corresponding pictures according to a preset display sequence.
Similarly, taking 6 display areas to display gradually from right to left as an example, when a built-in splicing mode is adopted, the control module firstly sends a relevant signal channel switching instruction to the video splicing processing module (a channel which is in signal communication with each display area), and then sends a local area splicing instruction to the first display area of the spliced wall, and when the first display area finishes splicing processing and image presentation; immediately performing the same control on the second display area; sequentially leftwards until the 6 th display area is spliced; the process of displaying the spliced picture in the whole area shows a progressive splicing effect from right to left, and gives people a smooth line aesthetic feeling.
Referring to fig. 5, if the external splicing manner is adopted for the spliced screen, the step S200 includes:
s201', when a splicing display instruction is received, a signal channel switching instruction and a local area splicing instruction are sent to a first display area to be displayed;
s202', when the preset splicing time interval is reached, a signal channel switching instruction and a local area splicing instruction are sent to the next display area, so that each display area progressively displays corresponding pictures according to the preset display sequence.
Taking the example of progressive display of 6 display areas from right to left again, when an external splicing mode is adopted, the control module firstly sends related signal channel switching and local area splicing instructions to the video splicing processing module (a channel which is in signal communication with the first display area), and when the first display area finishes splicing processing and image presentation, the same control is immediately executed on the second display area; sequentially going downwards until the 6 th display area is spliced; the process of displaying the spliced picture in the whole area can also show a splicing effect which is gradual from right to left, so that a smooth line aesthetic feeling is brought to people.
The progressive display mode of the spliced screen provided by the invention enables disordered display vision to be perfectly improved when each splicing unit initially presents a picture in the traditional splicing system when the splicing is executed, realizes the progressive picture presentation display effect of each unit displayed by splicing a large screen according to a set area, brings beautiful visual perception to a viewer, brings a new display function to a spliced product and improves the product competitiveness.
Based on the display control method of the spliced screen, the invention also provides a display control system of the spliced screen, as shown in fig. 6, the display control system is connected with the spliced screen and comprises a display control module.
The spliced screen is used for receiving a preset partition display instruction and dividing the spliced screen into a plurality of display areas; and the display control module is used for controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction when receiving the splicing display instruction.
The spliced screen is formed by connecting a plurality of display screens in an internal splicing mode or an external splicing mode. In this embodiment, the display control module includes a video stitching processing module and a control module.
In specific implementation, if the splicing screen adopts a built-in splicing mode, when a splicing display instruction is received, the video splicing processing module is used for sending a signal channel switching instruction to each display area; the control module is used for sending a local area splicing instruction to a first display area of the spliced screen and sending the local area splicing instruction to a next display area of the spliced screen when a preset splicing time interval is reached, so that each display area progressively displays corresponding pictures according to a preset display sequence.
If the splicing screen adopts an external splicing mode, when a splicing display instruction is received, the video splicing processing module sends a signal channel switching instruction to a first display area and the control module sends a local area splicing instruction to the first display area to display the local area splicing instruction; when the preset splicing time interval is reached, the video splicing processing module sends a signal channel switching instruction to the next display area and the control module sends a local area splicing instruction to the next display area, so that each display area displays corresponding pictures gradually according to the preset display sequence.
In specific implementation, the video stitching processing module and the control module may be arranged in one device or may be arranged separately. When the split type video splicing system is installed, various video input signals enable the video splicing processing module to be connected with the splicing units through the matched signal lines, then all related signal sources are sent to the video splicing processing module, the video splicing processing module processes all the video signals, then the processed signals are sent to all the splicing units, then the control module sends partition display instructions to all the splicing units, and the splicing screen is enabled to display according to progressive effects set in the partition display instructions.
The number of the display areas is 6, and the display areas are sequentially controlled from the first area to the sixth area during display control. The partition display instructions include: instructions are displayed progressively from top to bottom, from bottom to top, from right to left, from left to right, in a zig-zag pattern, from right to left, from both sides to the middle, or from the middle to both sides. Of course, the present invention is not limited to the above display mode and the like.
As shown in fig. 7, which is a top-to-bottom display mode, the oval area in fig. 7 is a display area, and when the tiled screen is powered on, each display area will switch the picture in a manner of gradually changing from bottom to top. As shown in fig. 8, the 6 display areas will sequentially switch the screen in a manner of gradual change from right to left. As shown in fig. 9, the 6 display areas are sequentially switched to the screen in a zigzag manner from left to right. As shown in fig. 10, the 6 display areas will sequentially switch the screen in a gradual manner from both sides to the middle.
The invention adopts the command control of the splicing system to redesign the sending mode of the existing control instruction, when the multi-screen splicing is needed to be realized traditionally, all splicing units are split by adopting the sending mode of all instructions which is completed in series once, namely, the former instruction is modified into the principle of a plurality of instructions, meanwhile, the proper region division configuration is carried out according to the whole number of the splicing units, then each region is simultaneously controlled, and different regions are sent the splicing instructions by adopting a certain time interval (according to the display time interval between the specific regions of the field engineering debugging), thus after the execution, the progressive picture display mode is carried out between each region according to the time sequence designed in advance, the disordered visual perception is avoided to a great extent, the whole display effect is more perfect and smoother, and the purpose of improving the product quality is achieved, get more customer acceptance. Compared with the prior art, the method also has the following beneficial effects:
1. the invention improves the phenomenon that the pictures of all splicing units are asynchronous at the switching moment when the existing splicing screen system executes the splicing instruction, such as: the black screen confusion phenomenon of each splicing unit of the whole splicing wall is improved, and the whole picture is disordered.
2. By the SKY-QYKZ (basic region control mode) region control method provided by the invention, the existing spliced product can realize a SKY-XSTX (progressive display mode) progressive display mode on the basis of not increasing the cost.
3. The invention may specify a method in control or communication for other fields or products.
4. The invention discloses a splicing product, and indicates an advanced wiring mode on engineering wiring.
5. The invention can add a possible effect and special effect on the development of display functions for other fields or products.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (5)
1. A display control method of a spliced screen is characterized by comprising the following steps:
receiving a preset partition display instruction, and dividing the spliced screen into a plurality of display areas;
when a splicing display instruction is received, controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction;
when receiving a splicing display instruction, sending the splicing instruction of the region to a first display region of a splicing screen, and when a preset splicing time interval is reached, sending the splicing instruction of the region to a next display region of the splicing screen, so that each display region progressively displays corresponding pictures according to a preset display sequence;
before the step of receiving a preset partition display instruction and dividing the spliced screen into a plurality of display areas, the display control method further includes: splicing the sub-display screens into a spliced screen by adopting an internal splicing mode or an external splicing mode;
if the splicing screen adopts a built-in splicing mode, when a splicing display instruction is received, the step of controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction comprises the following steps: when receiving a splicing display instruction, sending a signal channel switching instruction to each display area; sending a local area splicing instruction to a first display area of the splicing screen, and sending the local area splicing instruction to a next display area of the splicing screen when a preset splicing time interval is reached, so that each display area progressively displays corresponding pictures according to a preset display sequence;
if the spliced screen adopts an external splicing mode, when receiving a splicing display instruction, the step of controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction comprises the following steps: when receiving a splicing display instruction, sending a signal channel switching instruction and a local area splicing instruction to a first display area to display the first display area; and when the preset splicing time interval is reached, sending a signal channel switching instruction and a local area splicing instruction to the next display area, so that each display area progressively displays corresponding pictures according to a preset display sequence.
2. The display control method of the tiled screen according to claim 1, wherein the partitioned display instruction comprises: instructions are displayed progressively from top to bottom, from bottom to top, from right to left, from left to right, in a zig-zag pattern, from right to left, from both sides to the middle, or from the middle to both sides.
3. The display control method of the tiled screen according to claim 1 or 2, wherein the number of the display areas is 6.
4. A display control system of a spliced screen is connected with the spliced screen and is characterized in that,
the spliced screen is used for receiving a preset partition display instruction and dividing the spliced screen into a plurality of display areas;
when receiving a splicing display instruction, sending the splicing instruction of the region to a first display region of a splicing screen, and when a preset splicing time interval is reached, sending the splicing instruction of the region to a next display region of the splicing screen, so that each display region progressively displays corresponding pictures according to a preset display sequence;
the display control system includes: the display control module is used for controlling each display area to sequentially display the images of each display area according to a preset display sequence and a preset splicing time interval according to the splicing display instruction when receiving the splicing display instruction; the spliced screen is formed by connecting a plurality of display screens in an internal splicing mode or an external splicing mode; the display control module comprises a video splicing processing module and a control module;
if the splicing screen adopts a built-in splicing mode, when a splicing display instruction is received, the video splicing processing module is used for sending a signal channel switching instruction to each display area; the control module is used for sending a local area splicing instruction to a first display area of the spliced screen and sending the local area splicing instruction to a next display area of the spliced screen when a preset splicing time interval is reached, so that each display area progressively displays corresponding pictures according to a preset display sequence;
if the splicing screen adopts an external splicing mode, when a splicing display instruction is received, the video splicing processing module sends a signal channel switching instruction to a first display area and the control module sends a local area splicing instruction to the first display area to display the local area splicing instruction; when the preset splicing time interval is reached, the video splicing processing module sends a signal channel switching instruction to the next display area and the control module sends a local area splicing instruction to the next display area, so that each display area displays corresponding pictures gradually according to the preset display sequence.
5. The display control system of the tiled screen of claim 4, wherein the tile display instructions comprise: instructions are displayed progressively from top to bottom, from bottom to top, from right to left, from left to right, in a zig-zag pattern, from right to left, from both sides to the middle, or from the middle to both sides.
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| CN107992280A (en) * | 2017-12-25 | 2018-05-04 | 苏州赛源微电子有限公司 | A kind of control system of mosaic display screen |
| CN108769732B (en) * | 2018-06-15 | 2021-02-02 | 北京羿娲科技有限公司 | Image transmission method and system and electronic terminal |
| CN112783458B (en) * | 2019-11-08 | 2022-04-29 | 京东方科技集团股份有限公司 | Synchronous display method, system, electronic device and computer readable medium |
| CN111782163B (en) * | 2020-06-19 | 2023-03-28 | 杭州海康威视数字技术股份有限公司 | Image display method and apparatus |
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| CN101751905A (en) * | 2009-12-28 | 2010-06-23 | 广东威创视讯科技股份有限公司 | Spliced wall data display processing method and system thereof |
| CN104077103A (en) * | 2014-07-09 | 2014-10-01 | 上海天奕达电子科技有限公司 | Method and device for supporting high-resolution display device through low-resolution platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101751905A (en) * | 2009-12-28 | 2010-06-23 | 广东威创视讯科技股份有限公司 | Spliced wall data display processing method and system thereof |
| CN104077103A (en) * | 2014-07-09 | 2014-10-01 | 上海天奕达电子科技有限公司 | Method and device for supporting high-resolution display device through low-resolution platform |
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