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Video encoding/decoding method and device, and recording medium for storing bitstream

An image decoding and image technology, which is applied in image communication, digital video signal modification, electrical components, etc., can solve problems such as limitations of filtering methods, achieve the effects of reducing computational complexity, improving prediction efficiency, and improving image encoding/decoding efficiency

Pending Publication Date: 2021-02-05
ELECTRONICS & TELECOMM RES INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Conventional image encoding / decoding methods and devices are limited in performing encoding / decoding because filtering methods used in performing encoding / decoding are limited in application

Method used

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  • Video encoding/decoding method and device, and recording medium for storing bitstream
  • Video encoding/decoding method and device, and recording medium for storing bitstream
  • Video encoding/decoding method and device, and recording medium for storing bitstream

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Embodiment Construction

[0050]Various modifications can be made to the invention, and there are various embodiments of the invention, examples of which will now be provided and described in detail with reference to the accompanying drawings. However, although the exemplary embodiments can be interpreted as including all modifications, equivalents, or replacements within the technical idea and technical scope of the present invention, the present invention is not limited thereto. Like reference numerals refer to identical or similar functions in various respects. In the drawings, the shapes and sizes of elements may be exaggerated for clarity. In the following detailed description of the invention, reference is made to the accompanying drawings which show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the disclosure. It should be understood that the various embo...

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PUM

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Abstract

A video decoding method is disclosed in the present specification. The video decoding method includes: a step for determining whether to perform filtering on the boundary of a current block; a step for determining the filtering strength for the boundary of the current block and the number of samples to be used for the filtering; and a step for filtering on the boundary of the current block on thebasis of the filtering strength and the number of samples to be used for the filtering, wherein the number of samples to be used for the filtering may be determined on the basis of the size of the current block.

Description

technical field [0001] The present invention relates to a method and apparatus for encoding / decoding images and a recording medium for storing bitstreams. More particularly, the present invention relates to a method and apparatus for encoding / decoding an image by using a motion-constrained tile set. Background technique [0002] Recently, demands for high-resolution and high-quality images such as high-definition (HD) images and ultra-high-definition (UHD) images have increased in various application fields. However, higher-resolution and higher-quality image data has an increased data volume compared to conventional image data. Therefore, when image data is transmitted by using a medium such as a conventional wired and wireless broadband network, 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 imag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/86H04N19/82H04N19/61H04N19/124H04N19/503H04N19/593H04N19/117H04N19/80H04N19/176
CPCH04N19/117H04N19/82H04N19/176H04N19/157H04N19/86H04N19/61H04N19/124H04N19/503H04N19/593H04N19/80H04N19/107
Inventor 林成昶姜晶媛李河贤李镇浩金晖容金旲衍郑旭帝朴烔震田珉容李英烈金南煜金明峻郑智延金在坤
Owner ELECTRONICS & TELECOMM RES INST