A video encoding and decoding method, device, system and storage medium

Abstract

The embodiment of the invention discloses a video encoding and decoding method, device, system and storage medium, belonging to the technical field of communication. The video coding method includes: dividing the pixel data of the screen change area into macroblocks; classifying the divided macroblocks into text macroblocks or image macroblocks according to the pixel data in the macroblocks; The color data determines the compression type of each text macroblock; according to the compression type of each text macroblock, the corresponding compression quality is used to encode and compress each text macroblock. By adopting the embodiment of the present invention, while satisfying the text definition, the corresponding compression quality is selected, the compression efficiency is improved as much as possible, and the bandwidth is reduced, so as to adapt to the desktop office scene containing a large amount of text.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a video encoding and decoding method, device, system, and storage medium. Background technique [0002] With the popularization of cloud computing, virtual desktop and other technologies, a large amount of decoding end data needs to be transmitted to the user end through the network for processing. In order to meet the transmission of desktop content under narrow bandwidth network conditions, video coding technology based on screen content is widely used. In the realm of virtual desktops. [0003] The existing remote transmission classification coding technology can be roughly divided into two categories: the first category is that the entire screen is roughly divided into equal areas, roughly divided into text and pictures according to the color of the area, and then lossless compression is used for the text. Lossy compression is performed on...

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Problems solved by technology

[0006] In view of this, the purpose of the embodiments of the present invention is to provide a video encoding and decoding method, device, system, and storage medium to solve the problem that the prior art video encoding technology has low compression efficiency for discontinuous tone content such as text, especially for The desktop office scene with a lot of text, the problem of poor applicability

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