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Signaling method and device for merge data syntax in video/image coding system

A technology of image information and encoding method, which is applied in the field of signaling and devices for merging data syntax in video/image compiling systems, can solve the problems of easy increase in transmission and storage costs, and achieve the effect of enhancing compression efficiency

Pending Publication Date: 2022-02-01
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

Method used

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  • Signaling method and device for merge data syntax in video/image coding system
  • Signaling method and device for merge data syntax in video/image coding system
  • Signaling method and device for merge data syntax in video/image coding system

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Embodiment Construction

[0031] The present disclosure can be modified in various forms, and specific embodiments of the present disclosure will be described and shown in the accompanying drawings. However, the intention is not to limit the present disclosure to these particular embodiments. Terms used in the following description are used to describe specific embodiments only, and are not used to limit the present disclosure. A singular expression includes a plural expression as long as it is clearly pronounced differently. Terms such as "comprising" and "having" are intended to indicate that the features, numbers, steps, operations, elements, components or combinations thereof used in the following description exist, so it should be understood that it does not exclude the existence or addition of one or more different features. , numbers, steps, operations, elements, components or combinations thereof.

[0032] In addition, each component in the drawings described in the present disclosure is inde...

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Abstract

A decoding method performed by a decoding device according to the present document comprises: a step for determining the prediction mode of a current block on the basis of information on a prediction mode acquired from a bitstream; a step for deriving movement information on the current block on the basis of the prediction mode; a step for generating prediction samples of the current block on the basis of the movement information; and a step for generating reconstructed samples on the basis of the prediction samples, wherein the step for determining the prediction mode may include a step for acquiring a regular merge flag from the bitstream on the basis of a combined inter-picture merge and intra-picture prediction (CIIP) available flag that indicates whether or not a CIIP is available.

Description

technical field [0001] The technology relates to methods and apparatus for signaling merge data syntax in a video / image coding system. Background technique [0002] Recently, demands for high-resolution, high-quality images / videos such as 4K or 8K or more Ultra High Definition (UHD) images / videos are increasing in various fields. As image / video resolution or quality becomes higher, a relatively greater amount of information or bits are transmitted compared to conventional 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] In addition, 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 that exhibit image / video characteristics that differ from actual images / videos (e.g. , game ima...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/70H04N19/122H04N19/132H04N19/103H04N19/176
CPCH04N19/70H04N19/122H04N19/132H04N19/103H04N19/176H04N19/52H04N19/119H04N19/159H04N19/174
Inventor 张炯文朴奈利金昇焕
Owner LG ELECTRONICS INC