Video signal processing method and device

A device and video technology, applied in digital video signal modification, image communication, electrical components, etc., can solve the problems of increased transmission and storage costs, and achieve the effect of improving accuracy and coding efficiency

Active Publication Date: 2018-10-23
KT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, when the image data is transmitted by using a medium (for example, a conventional wired and wireless broadband network), or when the image data is stored by using a conventional storage medium, the cost of transmission and storage increases

Method used

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  • Video signal processing method and device
  • Video signal processing method and device
  • Video signal processing method and device

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Embodiment Construction

[0060] While the invention can be variously modified, and there are various embodiments of the invention, examples of the embodiments will now be provided with reference to the accompanying drawings, and they will be described in detail. However, the present invention is not limited thereto, and the exemplary embodiments can be construed to include all modifications, equivalents, or substitutions within the technical idea and technical scope of the present invention. In the described drawings, like reference numerals refer to like elements.

[0061] The terms 'first', 'second', etc. used in the specification may be used to describe various components, but the components are not construed as being limited to these terms. These terms are only used to distinguish one component from other components. For example, a "first" element could be termed a "second" element, and a "second" element could similarly be termed a "first" element, without departing from the scope of the present...

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Abstract

The present invention relates to a video signal processing method and device for increasing prediction accuracy and improving encoding efficiency by using a simplified affine motion model. The video signal processing method according to the present invention induces an affine motion vector by using a plurality of motion vectors related to a current block and performs motion compensation on the basis of the affine motion vector and a location of a current sample.

Description

technical field [0001] The present invention relates to methods and devices for processing video signals. Background technique [0002] Recently, demands for high-resolution and high-quality images (for example, high-definition (HD) images and ultra-high-definition (UHD) images) have increased in various application fields. However, the data amount of image data of higher resolution and quality increases compared with conventional image data. Therefore, when image data is transferred by using a medium such as conventional wired and wireless broadband networks, or when image data is stored by using a conventional storage medium, the cost of transmission and storage increases. In order to solve these problems that arise as the resolution and quality of image data increase, efficient image encoding / decoding techniques can be utilized. [0003] Image compression techniques include various techniques, including: an inter-frame prediction technique that predicts pixel values ​​i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/159H04N19/593H04N19/186H04N19/176H04N19/18
CPCH04N19/176H04N19/593H04N19/513H04N19/537H04N19/54H04N19/85H04N19/117H04N19/11H04N19/139H04N19/23
Inventor 李培根
Owner KT CORP
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