Method and device for encoding and decoding video by using prediction

A decoding method and a technology of an encoding method, which are applied in the field of encoding and decoding video based on prediction of target blocks, can solve problems such as large errors, and achieve the effect of high compression effect.

Active Publication Date: 2018-09-28
ELECTRONICS & TELECOMM RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0011] Since intra prediction is the prediction of the entire block in one direction, large errors may occur in a part of the block

Method used

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  • Method and device for encoding and decoding video by using prediction
  • Method and device for encoding and decoding video by using prediction
  • Method and device for encoding and decoding video by using prediction

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Embodiment Construction

[0066] best practice

[0067] The following exemplary embodiments will be described in detail with reference to the accompanying drawings showing specific embodiments. These embodiments are described so that those of ordinary skill in the art to which the present disclosure pertains can easily practice the embodiments. It should be noted that the various embodiments differ from each other, but need not be mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented into other embodiments without departing from the spirit and scope of the various embodiments associated with one embodiment. In addition, it should be understood that the location or arrangement of individual components within each disclosed embodiment could be changed without departing from the spirit and scope of the embodiments. Therefore, the accompanying detailed description is not intended to limit the scope of the present disclosure, and the scope of...

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Abstract

A method and a device for performing encoding and decoding by using prediction are disclosed. In the encoding of a current block, a residual signal of a current block is generated on the basis of thecurrent block, a first prediction, and a second prediction. In addition, information on the residual signal encoded by encoding the residual signal is generated. The second prediction is a predictionfor a part of the current block. In the decoding of the current block, a reconstructed residual signal for the current block is generated. A reconstructed block for the current block is generated on the basis of the reconstructed residual signal, the second prediction, and the first prediction. The second prediction is a prediction for a part of the current block.

Description

technical field [0001] The following embodiments generally relate to a video decoding method and device, and a video encoding method and device, and more specifically, relate to a method and device for encoding and decoding video based on prediction of a target block. Background technique [0002] As the information and communication industry continues to develop, broadcasting services with high definition (HD) resolution have spread throughout the world. Through this popularity, a large number of users have become accustomed to high resolution and high definition images and / or videos. [0003] In order to meet users' demands for high definition, a large number of institutions have accelerated the development of next-generation imaging devices. In addition to the increased user interest in high-definition TV (HDTV) and full high-definition (FHD) TV, there has also been an increase in interest in ultra-high-definition (UHD) TV, where the resolution of ultra-high-definition (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/593H04N19/159H04N19/176H04N19/33
CPCH04N19/593H04N19/159H04N19/176H04N19/33
Inventor 高现硕林成昶姜晶媛李镇浩全东山金晖容全炳宇金男昱田丞秀崔振秀
Owner ELECTRONICS & TELECOMM RES INST
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