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Method and apparatus for coding

An encoding method and a technology of an encoding device are applied in the fields of encoding methods and encoding devices, and can solve the problems such as inability to perform in parallel, and achieve the effect of enhancing encoding performance

Active Publication Date: 2015-08-19
XUESHAN TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, the packing (i.e., entropy encoding) of these vertically-adjacent tiles in the same tile column cannot be done in parallel

Method used

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Embodiment Construction

[0014] In the following description and claims, certain terms are used throughout to refer to particular components. As those skilled in the art will understand, manufacturers of electronic equipment may refer to a component by different names. This article is not trying to differentiate components by name, but by functionality. In the ensuing description and claims, the term "comprising" is open-ended and should therefore be interpreted as "including, but not limited to...". Also, the term "coupled" means an indirect or direct electrical connection. Thus, if a device couples to another device, that connection may be through a direct electrical connection or through an indirect electrical connection via other devices and connections.

[0015] The present invention relates to frame data encoding, and more particularly to the encoding of packing (i.e., entropy encoding) a tile in a frame by loading encoding-related information (e.g., partition size information) above another t...

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Abstract

A method for performing image processing control and an associated apparatus are provided, where method may include the steps of: performing image coding on image information of at least one frame to generate encoded data of the at least one frame, wherein in the encoded data, a specific frame of the at least one frame includes a plurality of tiles, and each tile of the plurality of tiles includes a plurality of superblocks; and generating a bitstream carrying the encoded data of the at least one frame, wherein at least a partition type and a transform size of each superblock within a specific tile of the plurality of tiles are derivable from information corresponding to the specific tile within the encoded data, having no need to derive the partition type and the transform size from information corresponding to another tile of the plurality of tiles within the encoded data.

Description

【Technical field】 [0001] The present invention relates to the technical field of data processing, in particular to an encoding method and an encoding device. 【Background technique】 [0002] Traditional video coding standards usually adopt block-based coding techniques that utilize spatial redundancy. For example, the basic approach is to divide the entire source frame into blocks, perform prediction for each block, transform the residues of each block, and perform quantization and entropy coding. In addition, a reconstructed frame is generated in a coding loop to provide reference pixel data for coding a subsequent block. For some video coding standards, loop filters can be used to enhance the image quality of reconstructed frames. [0003] VP9 is An open and royalty-free video encoding standard under development. VP9 provides slices (tiles) for parallel processing, and the concept of slices is similar to the concept proposed in High Efficiency Video Coding (HEVC). How...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/13H04N19/174H04N19/61
CPCH04N19/60H04N19/91H04N19/176H04N19/436
Inventor 黃昭智
Owner XUESHAN TECH INC