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System and method for character superimposition processing of splicing wall

A character superimposition and processing method technology, which is applied to TV system parts, color TV parts, TVs, etc., can solve the problems of increasing system hardware costs and poor character superimposition effects, so as to save system costs and improve character superposition effect of effect

Active Publication Date: 2015-11-11
SHENZHEN CREATEK ELECTRONICS
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Problems solved by technology

[0004] The main purpose of the embodiments of the present invention is to provide a character superposition processing method and system for a splicing wall, aiming to solve the technical problems of poor character superposition effect in the prior art and additional hardware cost of the system

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  • System and method for character superimposition processing of splicing wall
  • System and method for character superimposition processing of splicing wall
  • System and method for character superimposition processing of splicing wall

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Embodiment Construction

[0052] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0053] The invention provides a character overlay processing system of a mosaic wall, which is used for processing characters to be superimposed on a display image. The character superimposition processing system of this splicing wall is based on the existing splicing system. Without any additional hardware cost, it not only realizes the superposition of characters, even super-large characters, but also can choose characters of any font for superimposition, no longer A large font library is required.

[0054] The above video wall is a video wall formed by splicing multiple display units, each display unit is set independently, and the resolution of each display unit ...

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Abstract

The invention discloses a method character superimposition processing of a splicing wall, and includes: generating a character image having a resolution ratio equal to that of the splicing wall; segmenting the character image according to the row and column number of the splicing wall, so as to obtain a plurality of character subimages; performing denoising on the segmented character subimages, and storing the character subimages after denoising; when a display image sent by a front end signal source is received, segmenting the display image according to the row and column number of the splicing wall, so as to obtain a plurality of display subimages; and performing superimposition processing on the display subimages and the character subimages after denoising, and controlling a display unit to display an image after superimposition processing. The invention also discloses a system for character superimposition processing of the splicing wall. A character superimposition effect is improved, and hardware cost of the system does not need to be additionally increased.

Description

technical field [0001] The invention relates to the display field of splicing walls, in particular to a system and method for superimposing characters of a splicing wall. Background technique [0002] Video splicing technology is widely used in video surveillance, conference systems, smart cities, exhibitions and other industries, and the splicing wall can provide additional additional information through character overlay technology, including time, location, on-site status, subtitle banners, etc. A splicing wall character overlay scheme in the prior art is as follows: [0003] Connect the input signal to a character superposition device or a signal processing device with character superposition for character superposition, and then input the signal after character superposition processing to the splicing wall splicing system. Since the superimposed character information will be enlarged or reduced along with the input signal in the video wall splicing system, the characte...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/445H04N5/262
Inventor 林春育李冰马超欧智辉
Owner SHENZHEN CREATEK ELECTRONICS
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