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1. WO2020197290 - IMAGE ENCODING/DECODING METHOD AND APPARATUS

Publication Number WO/2020/197290
Publication Date 01.10.2020
International Application No. PCT/KR2020/004136
International Filing Date 26.03.2020
IPC
H04N 19/53 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
50using predictive coding
503involving temporal prediction
51Motion estimation or motion compensation
53Multi-resolution motion estimation; Hierarchical motion estimation
H04N 19/139 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
10using adaptive coding
134characterised by the element, parameter or criterion affecting or controlling the adaptive coding
136Incoming video signal characteristics or properties
137Motion inside a coding unit, e.g. average field, frame or block difference
139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/119 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
10using adaptive coding
102characterised by the element, parameter or selection affected or controlled by the adaptive coding
119Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/176 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
10using adaptive coding
169characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
17the unit being an image region, e.g. an object
176the region being a block, e.g. a macroblock
H04N 19/70 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
70characterised by syntax aspects related to video coding, e.g. related to compression standards
Applicants
  • 인텔렉추얼디스커버리 주식회사 INTELLECTUAL DISCOVERY CO., LTD. [KR]/[KR]
Inventors
  • 이배근 LEE, Bae Keun
Agents
  • 최윤서 CHOE, Yun Seo
Priority Data
10-2019-003402026.03.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) IMAGE ENCODING/DECODING METHOD AND APPARATUS
(FR) PROCÉDÉ ET APPAREIL DE CODAGE/DÉCODAGE D'IMAGE
(KO) 영상 부호화/복호화 방법 및 장치
Abstract
(EN)
An image encoding/decoding method and apparatus according to the present invention may generate a prediction block of a current block on the basis of a pre-defined prediction mode, generate a residual block of the current block on the basis of a predetermined transformation type, and reconstruct the current block on the basis of the prediction block and the residual block.
(FR)
Un procédé et un appareil de codage/décodage d'image selon la présente invention peuvent générer un bloc de prédiction d'un bloc courant sur la base d'un mode de prédiction prédéfini, générer un bloc résiduel du bloc courant sur la base d'un type de transformée prédéfini, et reconstruire le bloc courant sur la base du bloc de prédiction et du bloc résiduel.
(KO)
본 발명에 따른 영상 부호화/복호화 방법 및 장치는 기-정의된 예측 모드를 기반으로, 현재 블록의 예측 블록을 생성하고, 소정의 변환 타입에 기초하여 상기 현재 블록의 잔차 블록을 생성하며, 상기 예측 블록과 상기 잔차 블록을 기반으로 상기 현재 블록을 복원할 수 있다.
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