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A multi-screen splicing display device and method

A splicing display and splicing wall technology, applied in the field of splicing wall display, can solve the problems of affecting video quality, lack of merging modules, low refresh rate, etc., to achieve good synchronization, flexible installation and scheduling, and reduced logic resource requirements. Effect

Inactive Publication Date: 2015-09-09
GUANGDONG VTRON TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The disadvantage of this method is that when driving a splicing system with odd columns such as 2 rows and 3 columns, the data in the middle column comes from two video sources. Without the merging module in the first method, the middle column will not be displayed normally; in addition, it is affected by the clock frequency. When the output resolution is very large, the refresh rate will be very low when reading video data from the external access device, which will affect the video quality

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  • A multi-screen splicing display device and method
  • A multi-screen splicing display device and method

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Embodiment Construction

[0037] The present invention proposes a multi-screen splicing display method, in which a flow chart refers to figure 1 , including the steps:

[0038] S1. According to the positional relationship of each video source displayed on the splicing wall and the resolution of each video source, each video source is spliced ​​to obtain spliced ​​image data;

[0039] Specifically, when performing video splicing, you can follow the figure 2 The indicated process proceeds, including:

[0040] S201. Obtain the resolution of each video source;

[0041] S202. According to the resolution of each video source and the predetermined positional relationship of each video source displayed on the splicing wall, configure the second starting position of splicing each input video source, and splice each video source;

[0042] Wherein, the second starting position can be a coordinate value; for example, 4 video sources are input together to form a video stream with a resolution of 7680x4320, and ...

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Abstract

The invention provides a method for multi-screen mosaic display. The method includes: mosaicing each video source to obtain mosaic image data according to the position relation, displayed on a mosaic wall, of each video source and the resolution of each video source; and acquiring corresponding display data from the mosaic image data according to a first initial position of preset video data and resolution needed to be displayed, wherein the preset video data are data which are needed to be read through each display channel. The invention further provides a device for multi-screen mosaic display, the device for multi-screen mosaic display is capable of driving multi-screen mosaic display in real time and solving the display problem of odd row mosaic systems and is high in synchronicity and flexible in system mounting and scheduling, and refreshing rate of multi-screen mosaic display can be guaranteed.

Description

technical field [0001] The invention relates to the field of splicing wall display, in particular to a multi-screen splicing display device and method. Background technique [0002] The ultra-high-resolution splicing system is usually driven by a graphics card. When the display resolution is very high, the graphics card can symmetrically divide the entire screen video stream into blocks and then drive the output by multiple heads. For example, to drive a system with 2 rows and 4 columns and a single display unit resolution of 1920x1080, the graphics card can be driven by dual heads, and each link drives 4 display units (2 rows and 2 columns, with a total resolution of 3840x2160). [0003] In the field of splicing walls, there are generally two processing methods for the input ultra-high resolution video stream: [0004] The first is to use a "segmenter" based on the row-field counter to extract the data displayed by each display unit, and then store them in separate storage...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/14
Inventor 陈浩利曹捷景博
Owner GUANGDONG VTRON TECH CO LTD
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