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1. WO2020139016 - VIDEO DECODING METHOD AND APPARATUS USING RESIDUAL REARRANGEMENT IN VIDEO CODING SYSTEM

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Publication Number WO/2020/139016
Publication Date 02.07.2020
International Application No. PCT/KR2019/018599
International Filing Date 27.12.2019
IPC
H04N 19/137 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
H04N 19/91 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
90using coding techniques not provided for in groups H04N19/10-H04N19/85103
91Entropy coding, e.g. variable length coding or arithmetic coding
H04N 19/132 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
132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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 19/129 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
129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering
CPC
H04N 19/137
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
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 유선미 YOO, Sunmi
  • 허진 HEO, Jin
  • 남정학 NAM, Junghak
  • 이령 LI, Ling
  • 최장원 CHOI, Jangwon
  • 최정아 CHOI, Jungah
  • 김승환 KIM, Seunghwan
Agents
  • 인비전 특허법인 ENVISION PATENT & LAW FIRM
Priority Data
62/785,67427.12.2018US
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) VIDEO DECODING METHOD AND APPARATUS USING RESIDUAL REARRANGEMENT IN VIDEO CODING SYSTEM
(FR) PROCÉDÉ ET APPAREIL DE DÉCODAGE VIDÉO À L'AIDE D'UN RÉAGENCEMENT RÉSIDUEL DANS UN SYSTÈME DE CODAGE VIDÉO
(KO) 영상 코딩 시스템에서 레지듀얼 재배열을 사용하는 영상 디코딩 방법 및 그 장치
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Abstract
(EN)
A video decoding method performed by a decoding device according to the present document comprises the steps of: entropy decoding residual information for a current block to derive residual coefficients for the current block; rearranging the residual coefficients; deriving residual samples of the current block on the basis of the rearranged residual coefficients; and restoring a current picture on the basis of the residual samples.
(FR)
Un procédé de décodage vidéo exécuté par un dispositif de décodage selon le présent document comprend les étapes consistant à : réaliser un décodage entropique sur des informations résiduelles pour un bloc courant afin de dériver des coefficients résiduels pour le bloc courant; réagencer les coefficients résiduels; dériver des échantillons résiduels du bloc courant sur la base des coefficients résiduels réagencés; et restaurer une image courante sur la base des échantillons résiduels.
(KO)
본 문서에 따른 디코딩 장치에 의하여 수행되는 영상 디코딩 방법은 현재 블록에 대한 레지듀얼 정보를 엔트로피 디코딩하여 상기 현재 블록에 대한 레지듀얼 계수들을 도출하는 단계, 상기 레지듀얼 계수들을 재배열하는 단계, 상기 재배열된 레지듀얼 계수들을 기반으로 상기 현재 블록의 레지듀얼 샘플들을 도출하는 단계 및 상기 레지듀얼 샘플들을 기반으로 현재 픽처를 복원하는 단계를 포함하는 것을 특징으로 한다.
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