Remote desktop sharing method based on screen content video coding

A screen content and video coding technology, applied in the direction of digital video signal modification, electrical components, image communication, etc., can solve problems such as enlargement, limited compression rate, inability to meet the lossless transmission of massive high-definition real-time desktop images, etc.

Inactive Publication Date: 2018-06-15
CHONGQING UNIV OF POSTS & TELECOMM
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although broadband network and data transmission capacity have increased rapidly in recent years, it still cannot meet the lossless transmission of massive high-definition real-time desktop images, so images must be compressed and encoded before transmission
However, the traditional technology only adopts a simple image encoding method on the s

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  • Remote desktop sharing method based on screen content video coding

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.

[0031] The technical scheme that the present invention solves the problems of the technologies described above is:

[0032] figure 1 It is a schematic diagram of the remote desktop sharing method based on screen content video encoding of the present invention, including: a master control terminal and a controlled terminal, and the master control terminal mainly includes an image acquisition buffer, an image-to-video converter and a screen content encoder, etc. ; The controlled terminal mainly includes a screen content video decoder, a video-to-image converter, a reconstruction image buffer, and the like. In addition to the main parts of the master control end and the controlled end, it also includes othe...

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Abstract

The invention provides a remote desktop sharing method based on screen content video coding, and belongs to the technical field of video signal processing and remote sharing. At a main control end, the method comprises the following steps: firstly collecting image data and storing the same in an image collection buffer area; then converting the collected set frames of image data into screen content video streams; and generating bit data streams via a screen content video coder, and transmitting the bit data streams to a controlled end via channel transmission. At the controlled end, the methodcomprises the following steps: a screen content video decoder decodes and coverts the received bit streams, and the controlled end displays an image of the main control end in real time. According tothe remote desktop sharing method, by adoption of the specific adaptive color conversion, intra-frame block copy, color palette mode and other excellent tools of the screen content video coding technology, a nearly lossless compression effect of screen contents, especially 4K or even 8K screen resolutions is achieved, and a support is provided for the application research of subsequent video coding technology.

Description

technical field [0001] The invention belongs to the technical field of video signal processing and remote sharing, and relates to a remote desktop sharing method based on screen content video encoding. Background technique [0002] Remote desktop control technology is widely used in remote office, remote technical support, remote communication, and remote maintenance management. In remote desktop control technology, one of the highest requirements for real-time and interactivity is remote desktop sharing technology. [0003] Although broadband network and data transmission capacity have increased rapidly in recent years, it still cannot meet the lossless transmission of massive high-definition real-time desktop images, so images must be compressed and encoded before transmission. However, the traditional technology only adopts a simple image encoding method on the server side for compression, and then transmits it to the receiving end for decoding to obtain an output image. ...

Claims

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Application Information

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IPC IPC(8): H04N19/186H04N19/176H04N19/103H04N19/12H04N19/136H04N19/61H04N19/70
CPCH04N19/103H04N19/12H04N19/136H04N19/176H04N19/186H04N19/61H04N19/70
Inventor 李强刘波宋剑霖王怡曼明艳
Owner CHONGQING UNIV OF POSTS & TELECOMM
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