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Method and apparatus for encoding/decoding image

A technology of video signal and motion information, which is applied in the field of image processing, can solve problems such as rising cost of video data, achieve the effects of enhancing video encoding/decoding performance, enhancing video encoding performance, and enhancing video decoding performance

Active Publication Date: 2015-02-25
KT CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the cost of delivering high-quality video and storing video data rises compared to conventional video data processing methods

Method used

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  • Method and apparatus for encoding/decoding image
  • Method and apparatus for encoding/decoding image
  • Method and apparatus for encoding/decoding image

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Embodiment Construction

[0050] Although the elements illustrated in the drawings are independently shown to represent different unique functions in the video encoding device / decoding device, such a configuration does not suggest that each element is constructed by a separate hardware component or software component. That is, the elements are independently arranged for convenience of description, wherein at least two elements may be combined into a single element, or a single element may be divided into a plurality of elements to perform functions. It should be noted that embodiments in which some elements are integrated into one combined element and / or one element is divided into a plurality of individual elements are included in the scope of the present invention without departing from the essence of the present invention.

[0051] Hereinafter, exemplary embodiments of the invention will be described in detail with reference to the accompanying drawings. Throughout, the same reference numerals refer...

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Abstract

A method for decoding an image, according to the present invention, comprises the steps of: receiving image information that corresponds to a block to be decoded; performing entropy-decoding with respect to the image information that is received; deciding a transform skip mode of the block to be decoded from a plurality of transform skip mode candidates, based on the image information that is entropy-decoded; and reverse-transforming the block to be decoded based on the transform skip mode that is decided.

Description

[0001] This application is a branch of a patent application with an international filing date of October 17, 2012, an international application number of PCT / KR2012 / 008482, a national application number of 201280061789.0, and an invention title of "Method and Device for Image Encoding / Decoding" case application. technical field [0002] The present invention relates to image processing, and more particularly, to a transformation method and a transformation apparatus. Background technique [0003] Recently, demands for high-resolution and high-quality videos such as high-definition (HD, high-definition) and ultra-high-definition (UHD, ultrahigh-definition) videos have gradually increased. [0004] In order to provide video with higher resolution and higher quality, the amount of video data increases. Therefore, the cost of providing high-quality video transmission and storing video data rises compared to conventional video data processing methods. In order to solve these pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/186H04N19/12H04N19/122H04N19/11
CPCH04N19/00781H04N19/12H04N19/122H04N19/46H04N19/11H04N19/186H04N19/61H04N19/147H04N19/503H04N19/91H04N19/124H04N19/159H04N19/176H04N19/44H04N19/103H04N19/60H04N19/513H04N19/70H04N19/90H04N19/117H04N19/86H04N19/13H04N19/172
Inventor 李培根权载哲金柱英
Owner KT CORP
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