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Method and apparatus for coding video supporting plurality of layers

一种视频解码、参考层的技术，应用在支持多个层的视频编码领域，能够解决传输成本和存储成本增加等问题，达到提高预测精度、提高编码和解码效率、减小误差的效果

Active Publication Date: 2016-01-06
KT CORP
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  • Abstract
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  • Claims
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Problems solved by technology

Therefore, when video data is transmitted using a medium such as existing wired and wireless broadband lines or stored in an existing storage medium, transmission costs and storage costs increase

Method used

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  • Method and apparatus for coding video supporting plurality of layers
  • Method and apparatus for coding video supporting plurality of layers
  • Method and apparatus for coding video supporting plurality of layers

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Embodiment Construction

[0020] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the embodiments of the present invention, detailed descriptions of related known elements or functions will be omitted if they are considered to unnecessarily obscure the gist of the present invention.

[0021] In this specification, when it is said that one element is "connected" or "coupled" to another element, it may mean that one element may be directly connected or coupled with other elements, and that a third element may be "connected" or "coupled". connected" between two components. In addition, in this specification, when it is said that "comprising" a specific element, this may mean that elements other than the specific element are not excluded, and additional components may be included in the embodiments of the present invention or within the scope of the technical spirit of the present invention. element.

[0022] Terms su...

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Abstract

Disclosed are a method and an apparatus for coding a video supporting a plurality of layers. The method for coding the video supporting the plurality of layers, according to the present invention, comprises the steps of: inducing a reference layer sample location from a reference layer picture used for inter-layer prediction of a current layer picture; resampling the reference layer picture, based on the reference layer sample location; and generating a prediction sample of a current block by inter-layer predicting the current block of the current layer picture, based on the resampled reference layer picture.

Description

technical field [0001] The present invention relates generally to video compression techniques, and more particularly to methods and apparatus for video encoding supporting multiple layers. Background technique [0002] Recently, demands for high-resolution, high-quality video such as HD (High Definition) video and UHD (Ultra High Definition) video are increasing in various application fields. Because the video data has high-resolution, high-quality images, the amount of data is higher than existing video data. Therefore, when video data is transmitted using a medium such as existing wired and wireless broadband lines or stored in an existing storage medium, transmission costs and storage costs increase. To solve these problems caused by high-resolution, high-quality video data, high-efficiency video compression techniques can be used. [0003] For example, there are the following various techniques as video compression techniques: an inter-frame prediction technique for p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/30
CPCH04N19/186H04N19/187H04N19/33H04N19/59H04N19/593H04N19/70H04N19/80
Inventor 李培根金柱英
Owner KT CORP
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