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1. WO2020114405 - INDICATION METHOD OF MAXIMUM NUMBER OF CANDIDATES

Publication Number WO/2020/114405
Publication Date 11.06.2020
International Application No. PCT/CN2019/122821
International Filing Date 03.12.2019
IPC
H04N 19/105 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
103Selection of coding mode or of prediction mode
105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
CPC
H04N 19/105
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
103Selection of coding mode or of prediction mode
105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/119
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
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 19/513
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
513Processing of motion vectors
H04N 19/52
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
513Processing of motion vectors
517by encoding
52by predictive encoding
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
  • BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD. [CN]/[CN]
  • BYTEDANCE INC. [US]/[US]
Inventors
  • ZHANG, Li
  • ZHANG, Kai
  • LIU, Hongbin
  • XU, Jizheng
  • WANG, Yue
Agents
  • LIU, SHEN & ASSOCIATES
Priority Data
PCT/CN2018/11889603.12.2018CN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) INDICATION METHOD OF MAXIMUM NUMBER OF CANDIDATES
(FR) PROCÉDÉ D'INDICATION D'UN NOMBRE MAXIMAL DE CANDIDATS
Abstract
(EN)
Techniques for video processing are described. One example method includes determining an indication that indicates a maximum number of candidates allowed in a candidate list for at least one video block in a video, the maximum number of candidates allowed in the candidate list corresponding to at least one of a maximum number of candidates in a geometry partition mode (GEO) based merge candidate list, a maximum number of base candidates in a merge with motion vector difference (MMVD) merge candidate list, a maximum number of base candidates in a sub-block based MMVD merge candidate list, and a maximum number of candidates in a geometry partition mode based affine merge candidate list; and performing video processing on the at least one video block based on the indication.
(FR)
L'invention concerne des techniques de traitement vidéo. Un procédé ayant valeur d'exemple comprend les étapes consistant à : déterminer une indication qui indique un nombre maximal de candidats autorisés dans une liste de candidats pour au moins un bloc vidéo dans une vidéo, le nombre maximal de candidats autorisés dans la liste de candidats correspondant à un nombre maximal de candidats dans une liste de candidats à une fusion sur la base d'un mode de partition géométrique (GEO) et/ou à un nombre maximal de candidats de base dans une liste de candidats à une fusion d'une fusion avec différence de vecteur de mouvement (MMVD) et/ou à un nombre maximal de candidats de base dans une liste de candidats à une fusion MMVD sur la base de sous-blocs et/ou à un nombre maximal de candidats dans une liste de candidats à une fusion affine sur la base d'un mode de partition géométrique ; et effectuer un traitement vidéo sur ledit au moins un bloc vidéo sur la base de l'indication.
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