BR112020024373A2 - elementos de sintaxe para codificação ou decodificação de vídeo - Google Patents

elementos de sintaxe para codificação ou decodificação de vídeo Download PDF

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Publication number
BR112020024373A2
BR112020024373A2 BR112020024373-6A BR112020024373A BR112020024373A2 BR 112020024373 A2 BR112020024373 A2 BR 112020024373A2 BR 112020024373 A BR112020024373 A BR 112020024373A BR 112020024373 A2 BR112020024373 A2 BR 112020024373A2
Authority
BR
Brazil
Prior art keywords
luma
image data
parameter
chroma blocks
video
Prior art date
Application number
BR112020024373-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Fabrice LELEANNEC
Franck Galpin
Tangi POIRIER
Edouard Francois
Original Assignee
Interdigital Vc Holdings, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP18305849.4A external-priority patent/EP3591969A1/en
Application filed by Interdigital Vc Holdings, Inc. filed Critical Interdigital Vc Holdings, Inc.
Publication of BR112020024373A2 publication Critical patent/BR112020024373A2/pt

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised 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
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised 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 the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised 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 the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised 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
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised 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 the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112020024373-6A 2018-06-07 2019-05-28 elementos de sintaxe para codificação ou decodificação de vídeo BR112020024373A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18305693.6 2018-06-07
EP18305693 2018-06-07
EP18305849.4 2018-07-02
EP18305849.4A EP3591969A1 (en) 2018-07-02 2018-07-02 Syntax elements for video encoding or decoding
PCT/US2019/034129 WO2019236335A1 (en) 2018-06-07 2019-05-28 Syntax elements for video encoding or decoding

Publications (1)

Publication Number Publication Date
BR112020024373A2 true BR112020024373A2 (pt) 2021-03-02

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BR112020024373-6A BR112020024373A2 (pt) 2018-06-07 2019-05-28 elementos de sintaxe para codificação ou decodificação de vídeo

Country Status (7)

Country Link
US (2) US11991394B2 (https=)
EP (1) EP3804309A1 (https=)
JP (3) JP2021526329A (https=)
KR (2) KR102823983B1 (https=)
CN (3) CN119094752A (https=)
BR (1) BR112020024373A2 (https=)
WO (1) WO2019236335A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113366855B (zh) * 2019-02-03 2025-06-24 北京字节跳动网络技术有限公司 基于条件的非对称四叉树分割
JP7448660B2 (ja) * 2020-01-07 2024-03-12 エルジー エレクトロニクス インコーポレイティド ポイントクラウドデータ送信装置、ポイントクラウドデータ送信方法、ポイントクラウドデータ受信装置及びポイントクラウドデータ受信方法
EP4107962A4 (en) * 2020-02-21 2023-07-26 Alibaba Group Holding Limited Methods for processing chroma signals
US12355964B2 (en) * 2020-03-12 2025-07-08 Interdigital Ce Patent Holdings, Sas High-level constraint flag for local chroma quantization parameter control
US11432018B2 (en) * 2020-05-11 2022-08-30 Tencent America LLC Semi-decoupled partitioning for video coding
KR20230174244A (ko) * 2021-04-19 2023-12-27 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 Abt를 위한 vvc 규범적 및 인코더 측 적응들
EP4367884A4 (en) * 2021-07-07 2025-05-21 Guangdong Oppo Mobile Telecommunications Corp., Ltd. SEQUENCE-LEVEL AND SLICE-LEVEL SYNTAX REPRESENTATION IN VIDEO CODING
CN118541976A (zh) * 2021-09-29 2024-08-23 Lg 电子株式会社 图像编码/解码方法和设备以及具有存储在其上的比特流的记录介质
CN119561691B (zh) * 2023-09-01 2026-04-14 华为技术有限公司 编解码方法及装置

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103636203B (zh) * 2011-06-17 2017-07-14 寰发股份有限公司 内部预测模式编码的方法及装置
US10237565B2 (en) 2011-08-01 2019-03-19 Qualcomm Incorporated Coding parameter sets for various dimensions in video coding
US10200709B2 (en) 2012-03-16 2019-02-05 Qualcomm Incorporated High-level syntax extensions for high efficiency video coding
AU2013200051B2 (en) * 2013-01-04 2016-02-11 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking video data
KR101825575B1 (ko) 2013-01-07 2018-02-05 노키아 테크놀로지스 오와이 비디오 코딩 및 디코딩 방법 및 장치
KR102053289B1 (ko) 2013-05-27 2019-12-06 에스케이하이닉스 주식회사 반도체 장치
US20140376611A1 (en) 2013-06-21 2014-12-25 Qualcomm Incorporated Adaptive color transforms for video coding
WO2015015058A1 (en) * 2013-07-31 2015-02-05 Nokia Corporation Method and apparatus for video coding and decoding
WO2015101716A1 (en) * 2014-01-03 2015-07-09 Nokia Technologies Oy Parameter set coding
WO2016074147A1 (en) 2014-11-11 2016-05-19 Mediatek Singapore Pte. Ltd. Separated coding tree for luma and chroma
US10200711B2 (en) * 2015-03-27 2019-02-05 Qualcomm Incorporated Motion vector derivation in video coding
US10212444B2 (en) 2016-01-15 2019-02-19 Qualcomm Incorporated Multi-type-tree framework for video coding
US11109045B2 (en) 2016-02-11 2021-08-31 Interdigital Vc Holdings, Inc. Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel
TWI588834B (zh) 2016-02-23 2017-06-21 群聯電子股份有限公司 解碼方法、記憶體儲存裝置及記憶體控制電路單元
US10455228B2 (en) 2016-03-21 2019-10-22 Qualcomm Incorporated Determining prediction parameters for non-square blocks in video coding
WO2017222237A1 (ko) * 2016-06-22 2017-12-28 한국전자통신연구원 화면 내 예측 방법 및 장치
US10448056B2 (en) * 2016-07-15 2019-10-15 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
CN116708776A (zh) * 2016-07-18 2023-09-05 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
JP6669622B2 (ja) * 2016-09-21 2020-03-18 Kddi株式会社 動画像復号装置、動画像復号方法、動画像符号化装置、動画像符号化方法及びコンピュータ可読記録媒体
WO2018070790A1 (ko) * 2016-10-14 2018-04-19 세종대학교 산학협력단 영상의 부호화/복호화 방법 및 장치
WO2018070267A1 (ja) * 2016-10-14 2018-04-19 ソニー株式会社 画像処理装置および画像処理方法
US10554974B2 (en) * 2017-01-13 2020-02-04 Mediatek Inc. Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags
US10779007B2 (en) * 2017-03-23 2020-09-15 Mediatek Inc. Transform coding of video data
US10742975B2 (en) * 2017-05-09 2020-08-11 Futurewei Technologies, Inc. Intra-prediction with multiple reference lines
WO2019007490A1 (en) * 2017-07-04 2019-01-10 Huawei Technologies Co., Ltd. DECODER INTEGRATED MODE (DIMD) INTEGRATED DEVICE TOOL CALCULATION COMPLEXITY REDUCTION
CN117354501A (zh) * 2017-07-06 2024-01-05 Lx 半导体科技有限公司 图像编码/解码方法、发送方法和数字存储介质
CN110999291B (zh) * 2017-08-03 2023-09-26 夏普株式会社 用于划分视频数据的帧间预测片段中的视频块的系统和方法
CN115037931B (zh) * 2017-10-18 2025-08-26 英迪股份有限公司 图像编码/解码方法和装置以及存储有比特流的记录介质
CN118301338A (zh) * 2017-11-16 2024-07-05 英迪股份有限公司 图像编码/解码方法以及存储比特流的记录介质
US10924733B2 (en) * 2017-12-29 2021-02-16 FG Innovation Company Limited Device and method for coding video data based on mode list including different mode groups
US11051009B2 (en) * 2018-01-18 2021-06-29 Mediatek Inc. Video processing methods and apparatuses for processing video data coded in large size coding units
US20210006799A1 (en) * 2018-03-27 2021-01-07 Kt Corporation Video signal processing method and device

Also Published As

Publication number Publication date
KR102823983B1 (ko) 2025-06-23
JP2025066762A (ja) 2025-04-23
KR20250100770A (ko) 2025-07-03
US11991394B2 (en) 2024-05-21
WO2019236335A1 (en) 2019-12-12
CN112385212A (zh) 2021-02-19
CN119094752A (zh) 2024-12-06
JP2021526329A (ja) 2021-09-30
US20240259605A1 (en) 2024-08-01
JP2025118845A (ja) 2025-08-13
US20220141493A1 (en) 2022-05-05
CN119135887A (zh) 2024-12-13
KR20210018270A (ko) 2021-02-17
JP7682414B2 (ja) 2025-05-23
EP3804309A1 (en) 2021-04-14

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