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Image encoding/decoding method and recording medium therefor

An encoding and video decoding technology, applied in the field of image encoding/decoding and recording media used for the same, can solve problems such as increasing memory bandwidth, and achieve the effect of reducing memory bandwidth and improving encoding/decoding efficiency

Active Publication Date: 2019-03-01
ELECTRONICS & TELECOMM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In conventional video encoding and decoding methods, since information about motion compensation must be encoded and decoded for all coding units (CUs) or for all prediction units (PUs), there is a limit to improving encoding efficiency
[0005] Also, in conventional video encoding and decoding methods, information on motion compensation can vary in all CUs or all PUs, thus increasing the memory bandwidth required to perform inter prediction or motion compensation in the encoder and decoder

Method used

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  • Image encoding/decoding method and recording medium therefor
  • Image encoding/decoding method and recording medium therefor
  • Image encoding/decoding method and recording medium therefor

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Embodiment Construction

[0058] Various modifications can be made to the present invention, and there are various embodiments of the present invention, wherein examples of the various embodiments will now be provided with reference to the accompanying drawings and described in detail. However, although the exemplary embodiments may be construed as including all modifications, equivalents, or substitutions in the technical idea and technical scope of the present invention, the present invention is not limited thereto. In all aspects, similar reference signs refer to the same or similar functions. In the drawings, the shape and size of elements may be exaggerated for clarity. In the following detailed description of the present invention, reference is made to the accompanying drawings, in which the accompanying drawings illustrate by way of illustration specific embodiments in which the present invention can be practiced. These embodiments are described in sufficient detail to enable those skilled in th...

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Abstract

The present invention relates to an image encoding and decoding method. The image decoding method therefor may comprise the steps of: acquiring region information; determining a shared region on the basis of the region information; and when a current block corresponds to the shared region, generating a prediction block of the current block by using motion information for the shared region.

Description

Technical field [0001] The present invention relates to a method and device for encoding / decoding video. More specifically, the present invention relates to a method and apparatus for encoding and decoding video using granular information. Background technique [0002] Recently, the demand for high-resolution and high-quality images, such as high-definition (HD) images and ultra-high-definition (UHD) images, has increased in various application fields. However, compared with conventional image data, the amount of data of higher-resolution and higher-quality image data has increased. Therefore, when image data is transmitted by using media such as conventional wired and wireless broadband networks, or when image data is stored by using conventional storage media, the cost of transmission and storage increases. In order to solve these problems that arise with the increase in the resolution and quality of image data, efficient image encoding / decoding technologies are required to o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/51H04N19/513H04N19/44H04N19/91H04N19/146H04N19/176
CPCH04N19/119H04N19/139H04N19/174H04N19/517H04N19/513H04N19/91H04N19/176H04N19/543H04N19/13H04N19/70H04N19/105H04N19/137H04N19/159H04N19/51H04N19/44H04N19/146
Inventor 林成昶姜晶媛高玄硕李镇浩李河贤全东山赵承眩金晖容崔振秀
Owner ELECTRONICS & TELECOMM RES INST
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