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Video signal processing method and device on basis of reference between components

A video signal and component technology, which is applied in the fields of digital video signal modification, image communication, electrical components, etc., can solve the problems of increased transmission cost and storage cost, and achieve the effect of improving encoding/decoding efficiency and predictive encoding/decoding efficiency.

Pending Publication Date: 2021-01-29
KWANGWOON UNIV IND ACADEMIC COLLABORATION FOUND
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, when image data is transmitted using a medium such as a conventional wired / wireless broadband line or is stored using a conventional storage medium, transmission cost and storage cost increase

Method used

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  • Video signal processing method and device on basis of reference between components
  • Video signal processing method and device on basis of reference between components
  • Video signal processing method and device on basis of reference between components

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[0036] The invention can be changed and modified in various ways, and it can be described with reference to different exemplary embodiments, some of which will be described and illustrated in the accompanying drawings. However, these embodiments are not intended to limit the present invention, but are understood to include all modifications, equivalents and replacements belonging to the spirit and technical scope of the present invention. In the drawings, the same reference numerals refer to the same elements throughout.

[0037] Although the terms first, second, etc. may be used to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the teachings of the present invention. The term "and / or" includes any and all combinations of multi...

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Abstract

In a video signal processing method and device according to the present invention, a first prediction value of a chrominance block is derived by means of a sample of a luminance block, a compensationparameter is calculated on the basis of a predetermined reference region, a second prediction value of the chrominance block is derived by applying the compensation parameter to the first prediction value, and the chrominance block can be restored on the basis of the second prediction value of the chrominance block.

Description

technical field [0001] The present invention relates to methods and devices for encoding / decoding video signals. Background technique [0002] Demand for high-resolution, high-quality video is growing in a variety of applications. As image data becomes high-resolution and high-quality, the amount of data increases relative to conventional image data. Therefore, when image data is transmitted using a medium such as a conventional wired / wireless broadband line or is stored using a conventional storage medium, transmission costs and storage costs increase. These problems caused by high-resolution and high-quality image data can be solved by utilizing efficient image compression techniques. Contents of the invention [0003] technical problem [0004] The object of the present invention is to improve the encoding / decoding efficiency of predicted blocks. [0005] The purpose of the present invention is to improve the accuracy of intra prediction for each component. [0006...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/59H04N19/593H04N19/186H04N19/119H04N19/176
CPCH04N19/186H04N19/593H04N19/176H04N19/96H04N19/105H04N19/119H04N19/59H04N19/115H04N19/44
Inventor 沈东圭朴时奈
Owner KWANGWOON UNIV IND ACADEMIC COLLABORATION FOUND
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