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1. WO2021040430 - VIDEO ENCODING AND DECODING USING DIFFERENTIAL CODING

Publication Number WO/2021/040430
Publication Date 04.03.2021
International Application No. PCT/KR2020/011480
International Filing Date 27.08.2020
IPC
H04N 19/61 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
60using transform coding
61in combination with predictive coding
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
H04N 19/186 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
186the unit being a colour or a chrominance component
H04N 19/184 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
184the unit being bits, e.g. of the compressed video stream
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 19/137 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
CPC
H04N 19/124
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
124Quantisation
H04N 19/132
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 19/137
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
H04N 19/184
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
184the unit being bits, e.g. of the compressed video stream
H04N 19/186
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
186the unit being a colour or a chrominance component
H04N 19/61
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
60using transform coding
61in combination with predictive coding
Applicants
  • 현대자동차주식회사 HYUNDAI MOTOR COMPANY [KR]/[KR]
  • 기아자동차주식회사 KIA MOTORS CORPORATION [KR]/[KR]
  • 이화여자대학교 산학협력단 EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATION [KR]/[KR]
Inventors
  • 강제원 KANG, Je Won
  • 박승욱 PARK, Seung Wook
  • 임화평 LIM, Wha Pyeong
Agents
  • 이철희 LEE, Chulhee
Priority Data
10-2019-010491427.08.2019KR
10-2020-000512715.01.2020KR
10-2020-010844727.08.2020KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) VIDEO ENCODING AND DECODING USING DIFFERENTIAL CODING
(FR) CODAGE ET DÉCODAGE VIDÉO EN UTILISANT LE CODAGE DIFFÉRENTIEL
(KO) 차등 부호화를 이용하는 비디오 부호화 및 복호화
Abstract
(EN)
The present invention relates to a video encoding and decoding technology using a differential coding technique for a residual signal in order to enhance compression performance in a transform skip mode, and provides a method of controlling differential coding in a high level and a block level. [Representative drawing: figure 9]
(FR)
La présente invention se rapporte à une technologie de codage et de décodage vidéo en utilisant une technique de codage différentiel pour un signal résiduel afin d'améliorer les performances de compression dans un mode de saut de transformation, et concerne un procédé de commande de codage différentiel à un niveau élevé et un niveau de bloc. [Dessin représentatif : figure 9]
(KO)
본 발명은 변환 스킵 모드(transform skip mode)에서 압축 성능을 향상시키기 위해 잔차 신호에 대한 차등 부호화(differential coding) 기법을 이용하는 비디오 부호화 및 복호화 기술에 관한 것으로, 차등 부호화를 하이레벨과 블록레벨에서 제어하는 방법을 제공한다. [대표도 도 9]
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