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Video data transmission system and method and video data decoding method

A technology of video data transmission and video data, which is applied in the field of data transmission, can solve problems affecting enhancement layer decoding, enhancement layer decoding failure, etc., and achieve the effect of ensuring fluency and stable code stream

Active Publication Date: 2016-06-15
G NET INTEGRATED SERVICE
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  • Abstract
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  • Claims
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Problems solved by technology

In the traditional SVC video stream, each video layer is coupled and interacts with each other. The decoding of the enhancement layer depends on the base layer, and the upper and middle layers of the enhancement layer depend on the lower layer. When the decoding of the base layer fails, it will inevitably affect the decoding of the enhancement layer, and then Cause enhancement layer decoding to fail

Method used

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  • Video data transmission system and method and video data decoding method
  • Video data transmission system and method and video data decoding method
  • Video data transmission system and method and video data decoding method

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Embodiment Construction

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0045] Such as figure 1 As shown, a schematic diagr...

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Abstract

The invention provides a video data transmission system and method and a video data decoding method, and relates to the field of data transmission. A server sends multiple independently decodable video compressed code streams to a user terminal according to the connection state of the user terminal; the video compressed code streams are mutually independent, have no coupling; the code streams are stable and are independently decodable; when a network state changes, the fluency of the video can be timely ensured; and the system and the method provided by the invention are applicable to various network conditions.

Description

technical field [0001] The present invention relates to the field of data transmission, in particular to a video data transmission system and method and a video data decoding method. Background technique [0002] Scalable Video Coding (SVC) is a technology that can divide a video stream into multiple layers of resolution, quality and data frame rate. expand. Video conferencing equipment uses SVC technology to send and receive multi-layer enhancement layer video streams consisting of a small base layer and multiple other optional layers that increase resolution, data frame rate, and quality. In the traditional SVC video stream, each video layer is coupled and interacts with each other. The decoding of the enhancement layer depends on the base layer, and the upper and middle layers of the enhancement layer depend on the lower layer. When the decoding of the base layer fails, it will inevitably affect the decoding of the enhancement layer, and then Cause enhancement layer dec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2343H04N21/4402
CPCH04N21/234363H04N21/440272
Inventor 吴忠
Owner G NET INTEGRATED SERVICE
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