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Image decoding method including generating prediction sample by applying determined prediction mode, and apparatus therefor

A technology for image decoding and sample prediction, applied in image communication, digital video signal modification, electrical components, etc., can solve the problems of easy increase in transmission and storage costs, and achieve the effect of efficient inter-frame prediction

Pending Publication Date: 2022-04-01
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, if image / video data is transmitted via a medium such as an existing wired / wireless broadband line or stored in a conventional storage medium, the cost of transmission and storage tends to increase

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  • Image decoding method including generating prediction sample by applying determined prediction mode, and apparatus therefor
  • Image decoding method including generating prediction sample by applying determined prediction mode, and apparatus therefor
  • Image decoding method including generating prediction sample by applying determined prediction mode, and apparatus therefor

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Embodiment Construction

[0038] The present disclosure may be variously modified in various forms and may have various embodiments, and specific embodiments thereof will be illustrated in the drawings and described in detail. However, these embodiments are not intended to limit the present disclosure. Terms used in the following description are for describing specific embodiments only, and are not intended to limit the technical spirit of the present disclosure. A singular expression includes a plural expression as long as it is clearly interpreted differently. Terms such as "comprising" and "having" in this specification are intended to indicate the presence of features, numbers, steps, operations, elements, components or combinations thereof used in the following description, and therefore it should be understood that it does not exclude The possibility of having or adding one or more different features, quantities, steps, operations, elements, components or combinations thereof.

[0039] In addit...

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Abstract

According to an embodiment of the present document, when an inter prediction type of a current block indicates bidirectional prediction, weight index information of candidates in a merge candidate list or a sub-block merge candidate list may be derived, and thus coding efficiency may be increased.

Description

technical field [0001] The present disclosure relates to an image decoding method and apparatus thereof for generating prediction samples by applying a determined prediction mode. Background technique [0002] Recently, demands for high-resolution, high-quality images / videos such as 4K or 8K ultra-high-definition (UHD) images / videos are increasing in various fields. As image / video resolution or quality becomes higher, relatively more information or bits are sent compared to traditional image / video data. Therefore, if image / video data is transmitted via a medium such as an existing wired / wireless broadband line or stored in a conventional storage medium, the cost of transmission and storage tends to increase. [0003] Furthermore, there is growing interest in and demand for virtual reality (VR) and artificial reality (AR) content, as well as immersive media such as holograms; and images / videos exhibiting image / video characteristics different from actual images / videos ( For ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/105H04N19/109H04N19/132H04N19/176H04N19/513H04N19/70
CPCH04N19/70H04N19/577H04N19/52H04N19/109H04N19/132H04N19/513H04N19/176H04N19/105H04N19/137H04N19/159H04N19/46
Inventor 张炯文朴婡利金昇焕
Owner LG ELECTRONICS INC