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Video encoding/decoding method and device, and recording medium storing bit stream

An image decoding, the most frequent technology, applied in the direction of digital video signal modification, image communication, electrical components, etc., to achieve the effect of improving encoding and decoding efficiency, improving compression efficiency, and reducing computational complexity

Pending Publication Date: 2020-02-07
ELECTRONICS & TELECOMM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because conventional image encoding / decoding methods and devices perform motion compensation based on motion information of spatially / temporally adjacent blocks adjacent to the current block (i.e., encoding / decoding target block), conventional image encoding / decoding methods and devices are Has its limitations in improving coding efficiency

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  • Video encoding/decoding method and device, and recording medium storing bit stream
  • Video encoding/decoding method and device, and recording medium storing bit stream
  • Video encoding/decoding method and device, and recording medium storing bit stream

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Embodiment Construction

[0048]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, the present invention is not limited thereto although the exemplary embodiments can be construed to include all modifications, equivalents or replacements within the technical idea and technical scope of the present invention. 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 embodiment...

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Abstract

A video encoding method is disclosed. The video encoding method of the present invention comprises the steps of: deriving a motion correction candidate from at least one of motion information of a spatial neighboring block, motion information of a temporal neighboring block, predefined motion information, and motion information that is most present in a reference video; performing motion information correction on the derived motion correction candidate; and generating a prediction block of a current block by using the motion correction candidate in which the motion information correction has been performed.

Description

technical field [0001] The present invention relates to a method and device for encoding / decoding images. In particular, the present invention relates to a method and apparatus for performing motion compensation by correcting motion information, and a recording medium storing a bitstream generated by the image encoding method / apparatus of the present invention. 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, image data of higher resolution and quality 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 re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/51H04N19/13H04N19/122H04N19/176
CPCH04N19/176H04N19/105H04N19/137H04N19/523H04N19/577H04N19/513H04N19/70H04N19/124H04N19/13
Inventor 林成昶姜晶媛高玄硕全东山李镇浩李河贤金晖容
Owner ELECTRONICS & TELECOMM RES INST
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