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1. WO2021043165 - CHROMA DEBLOCKING HARMONIZATION FOR VIDEO CODING

Publication Number WO/2021/043165
Publication Date 11.03.2021
International Application No. PCT/CN2020/113023
International Filing Date 02.09.2020
IPC
H04N 19/00 2014.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
CPC
H04N 19/117
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
117Filters, e.g. for pre-processing or post-processing
H04N 19/134
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
H04N 19/159
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
157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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 19/186
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 19/436
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
42characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
436using parallelised computational arrangements
Applicants
  • BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD. [CN]/[CN]
  • BYTEDANCE INC. [US]/[US]
Inventors
  • WANG, Jiexi
  • XU, Jizheng
  • ZHU, Weijia
  • ZHANG, Li
  • WANG, Yue
Agents
  • LIU, SHEN & ASSOCIATES
Priority Data
PCT/CN2019/10396902.09.2019CN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CHROMA DEBLOCKING HARMONIZATION FOR VIDEO CODING
(FR) HARMONISATION DU DÉBLOCAGE DE CHROMINANCE POUR LE CODAGE VIDÉO
Abstract
(EN)
Chroma deblocking harmonization for video coding are described. In an exemplary aspect, a method for video processing includes determining, for a conversion between of a first colour component of a current block of a video and a bitstream representation of the first colour component of the current block of the video, one or more deblocking parameters associated with the first colour component involved in a deblocking filter process based on one or more quantization parameters (QP) associated with a second colour component of the current block of the video; and performing the conversion based on the determined deblocking parameters.
(FR)
L'invention concerne l'harmonisation du déblocage de la chrominance pour le codage vidéo. Dans un aspect donné à titre d'exemple, un procédé de traitement vidéo comprend la détermination, pour une conversion entre une première composante de couleur d'un bloc courant d'une vidéo et une représentation de flux binaire de la première composante de couleur du bloc courant de la vidéo, d'un ou plusieurs paramètres de déblocage associés à la première composante de couleur impliquée dans un processus de filtre de déblocage sur la base d'un ou plusieurs paramètres de quantification (QP) associés à une seconde composante de couleur du bloc courant de la vidéo; et la réalisation de la conversion sur la base des paramètres de déblocage déterminés.
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