JP7011735B2 - コーディングブロックフラグと予測モードの改善されたコンテキスト設計のための方法及び装置、並びにコンピュータプログラム - Google Patents

コーディングブロックフラグと予測モードの改善されたコンテキスト設計のための方法及び装置、並びにコンピュータプログラム Download PDF

Info

Publication number
JP7011735B2
JP7011735B2 JP2020560173A JP2020560173A JP7011735B2 JP 7011735 B2 JP7011735 B2 JP 7011735B2 JP 2020560173 A JP2020560173 A JP 2020560173A JP 2020560173 A JP2020560173 A JP 2020560173A JP 7011735 B2 JP7011735 B2 JP 7011735B2
Authority
JP
Japan
Prior art keywords
intra
prediction mode
encoded
mode
inter
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2020560173A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021520157A (ja
Inventor
ジャオ，シン
リ，シアン
リィウ，シャン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
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
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of JP2021520157A publication Critical patent/JP2021520157A/ja
Priority to JP2022004241A priority Critical patent/JP7302044B2/ja
Application granted granted Critical
Publication of JP7011735B2 publication Critical patent/JP7011735B2/ja
Priority to JP2023102092A priority patent/JP7544442B2/ja
Priority to JP2024137497A priority patent/JP7701528B2/ja
Priority to JP2025102995A priority patent/JP7893945B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/103—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/70—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
    • H04N19/90—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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020560173A 2018-11-14 2019-11-12 コーディングブロックフラグと予測モードの改善されたコンテキスト設計のための方法及び装置、並びにコンピュータプログラム Active JP7011735B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2022004241A JP7302044B2 (ja) 2018-11-14 2022-01-14 イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
JP2023102092A JP7544442B2 (ja) 2018-11-14 2023-06-21 イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
JP2024137497A JP7701528B2 (ja) 2018-11-14 2024-08-19 ビデオビットストリーム符号化方法、装置、及びプログラム
JP2025102995A JP7893945B2 (ja) 2018-11-14 2025-06-19 ビデオ符号化方法、エンコーダ、及びプログラム

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862767473P 2018-11-14 2018-11-14
US62/767,473 2018-11-14
US16/454,294 2019-06-27
US16/454,294 US10848763B2 (en) 2018-11-14 2019-06-27 Method and apparatus for improved context design for prediction mode and coded block flag (CBF)
PCT/US2019/060889 WO2020102173A2 (en) 2018-11-14 2019-11-12 Method and apparatus for improved context design for prediction mode and coded block flag (cbf)

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022004241A Division JP7302044B2 (ja) 2018-11-14 2022-01-14 イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム

Publications (2)

Publication Number Publication Date
JP2021520157A JP2021520157A (ja) 2021-08-12
JP7011735B2 true JP7011735B2 (ja) 2022-01-27

Family

ID=70551926

Family Applications (5)

Application Number Title Priority Date Filing Date
JP2020560173A Active JP7011735B2 (ja) 2018-11-14 2019-11-12 コーディングブロックフラグと予測モードの改善されたコンテキスト設計のための方法及び装置、並びにコンピュータプログラム
JP2022004241A Active JP7302044B2 (ja) 2018-11-14 2022-01-14 イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
JP2023102092A Active JP7544442B2 (ja) 2018-11-14 2023-06-21 イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
JP2024137497A Active JP7701528B2 (ja) 2018-11-14 2024-08-19 ビデオビットストリーム符号化方法、装置、及びプログラム
JP2025102995A Active JP7893945B2 (ja) 2018-11-14 2025-06-19 ビデオ符号化方法、エンコーダ、及びプログラム

Family Applications After (4)

Application Number Title Priority Date Filing Date
JP2022004241A Active JP7302044B2 (ja) 2018-11-14 2022-01-14 イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
JP2023102092A Active JP7544442B2 (ja) 2018-11-14 2023-06-21 イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
JP2024137497A Active JP7701528B2 (ja) 2018-11-14 2024-08-19 ビデオビットストリーム符号化方法、装置、及びプログラム
JP2025102995A Active JP7893945B2 (ja) 2018-11-14 2025-06-19 ビデオ符号化方法、エンコーダ、及びプログラム

Country Status (6)

Country Link
US (3) US10848763B2 (enExample)
EP (1) EP3881536A4 (enExample)
JP (5) JP7011735B2 (enExample)
KR (2) KR102637503B1 (enExample)
CN (2) CN112005549B (enExample)
WO (1) WO2020102173A2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019386917B2 (en) * 2018-11-29 2023-07-27 Huawei Technologies Co., Ltd. Encoder, decoder and corresponding methods of most probable mode list construction for blocks with multi-hypothesis prediction
WO2020122232A1 (ja) * 2018-12-14 2020-06-18 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
MX2021011419A (es) 2019-03-23 2022-01-06 Huawei Tech Co Ltd Un codificador, un decodificador y métodos correspondientes para la intrapredicción.
KR102710817B1 (ko) * 2019-07-05 2024-09-26 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
CN114365484A (zh) * 2019-09-07 2022-04-15 北京达佳互联信息技术有限公司 视频编解码中的预测模式信令
US11943432B2 (en) * 2021-04-26 2024-03-26 Tencent America LLC Decoder side intra mode derivation
US12137237B2 (en) * 2021-06-10 2024-11-05 Tencent America LLC Zero residual flag coding
CN114710678B (zh) * 2022-03-01 2025-04-29 北京达佳互联信息技术有限公司 编码方法及装置
CN118985132A (zh) 2022-04-11 2024-11-19 Oppo广东移动通信有限公司 一种编解码方法、编码器、解码器及存储介质
US12256100B2 (en) * 2022-07-01 2025-03-18 Tencent America LLC Dynamic mesh vertex displacements coding
US12689739B2 (en) * 2023-11-21 2026-07-21 Tencent America LLC Fine-grained intra prediction fusion

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170251213A1 (en) 2016-02-25 2017-08-31 Mediatek Inc. Method and apparatus of video coding
US20180249156A1 (en) 2015-09-10 2018-08-30 Lg Electronics Inc. Method for processing image based on joint inter-intra prediction mode and apparatus therefor
US20180288410A1 (en) 2014-11-06 2018-10-04 Samsung Electronics Co., Ltd. Video encoding method and apparatus, and video decoding method and apparatus

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8085846B2 (en) * 2004-08-24 2011-12-27 Thomson Licensing Method and apparatus for decoding hybrid intra-inter coded blocks
CN103974065B (zh) * 2006-01-09 2017-12-29 马蒂亚斯·纳罗施克 编码方法和解码方法、编码器和解码器
CN105744282B (zh) * 2010-05-26 2018-10-23 Lg电子株式会社 用于处理视频信号的方法和设备
PL2624564T3 (pl) * 2010-09-30 2018-11-30 Sun Patent Trust Sposób dekodowania obrazu, sposób kodowania obrazu, urządzenie dekodujące obraz, urządzenie kodujące obraz, program i układ scalony
US9025661B2 (en) * 2010-10-01 2015-05-05 Qualcomm Incorporated Indicating intra-prediction mode selection for video coding
KR20120070479A (ko) * 2010-12-21 2012-06-29 한국전자통신연구원 화면 내 예측 방향 정보 부호화/복호화 방법 및 그 장치
US9654785B2 (en) * 2011-06-09 2017-05-16 Qualcomm Incorporated Enhanced intra-prediction mode signaling for video coding using neighboring mode
US20130070855A1 (en) * 2011-09-17 2013-03-21 Qualcomm Incorporated Hybrid motion vector coding modes for video coding
KR102257269B1 (ko) * 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
CN105594211B (zh) * 2013-11-27 2019-03-15 寰发股份有限公司 用于图片的包括帧内区块复制模式的编码模式的发送方法
US10110895B2 (en) * 2013-12-13 2018-10-23 Qualcomm Incorporated Signaling of simplified depth coding (SDC) for depth intra- and inter-prediction modes in 3D video coding
JP6640731B2 (ja) * 2014-03-16 2020-02-05 ヴィド スケール インコーポレイテッド 無損失ビデオコーディングのシグナリングのための方法および装置
KR102583501B1 (ko) * 2015-04-27 2023-09-27 엘지전자 주식회사 비디오 신호의 처리 방법 및 이를 위한 장치
US10142627B2 (en) * 2015-06-18 2018-11-27 Qualcomm Incorporated Intra prediction and intra mode coding
EP3293975A4 (en) 2015-09-08 2018-10-10 Samsung Electronics Co., Ltd. Device and method for entropy encoding and decoding
US9807423B1 (en) * 2015-11-24 2017-10-31 Google Inc. Hybrid transform scheme for video coding
EP3363199B1 (en) * 2015-11-27 2021-05-19 MediaTek Inc. Method and apparatus of entropy coding and context modelling for video and image coding
FR3046321B1 (fr) * 2015-12-29 2018-01-26 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs, terminal d'utilisateur et programmes d'ordinateurs associes
US10609414B2 (en) * 2017-05-08 2020-03-31 Qualcomm Incorporated Context modeling for transform coefficient coding
TWI678917B (zh) * 2017-06-07 2019-12-01 聯發科技股份有限公司 用於視訊編解碼的畫面內-畫面間預測的方法及裝置
US11172203B2 (en) * 2017-08-08 2021-11-09 Mediatek Inc. Intra merge prediction
KR102628361B1 (ko) * 2018-11-12 2024-01-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 인터-예측을 위한 대역폭 제어 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180288410A1 (en) 2014-11-06 2018-10-04 Samsung Electronics Co., Ltd. Video encoding method and apparatus, and video decoding method and apparatus
US20180249156A1 (en) 2015-09-10 2018-08-30 Lg Electronics Inc. Method for processing image based on joint inter-intra prediction mode and apparatus therefor
US20170251213A1 (en) 2016-02-25 2017-08-31 Mediatek Inc. Method and apparatus of video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Xin Zhao, Xiang Li, and Shan Liu，CE4-related: Improved context for prediction mode flag，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-M0502-v2，13th Meeting: Marrakech, MA，2019年01月，pp.1-3

Also Published As

Publication number Publication date
WO2020102173A3 (en) 2020-06-18
KR20220150405A (ko) 2022-11-10
CN115623202B (zh) 2025-02-14
US10848763B2 (en) 2020-11-24
CN115623202A (zh) 2023-01-17
CN112005549A (zh) 2020-11-27
JP2023120367A (ja) 2023-08-29
EP3881536A4 (en) 2022-09-07
KR102458813B1 (ko) 2022-10-26
KR102637503B1 (ko) 2024-02-19
EP3881536A2 (en) 2021-09-22
JP2024161516A (ja) 2024-11-19
WO2020102173A2 (en) 2020-05-22
CN112005549B (zh) 2022-08-16
JP7701528B2 (ja) 2025-07-01
US20200154107A1 (en) 2020-05-14
JP7302044B2 (ja) 2023-07-03
JP2021520157A (ja) 2021-08-12
US11388404B2 (en) 2022-07-12
US11909976B2 (en) 2024-02-20
JP7893945B2 (ja) 2026-07-22
US20220303540A1 (en) 2022-09-22
JP7544442B2 (ja) 2024-09-03
KR20200142067A (ko) 2020-12-21
US20210044803A1 (en) 2021-02-11
JP2022050621A (ja) 2022-03-30
US20240146928A1 (en) 2024-05-02
JP2025134858A (ja) 2025-09-17

Similar Documents

Publication Publication Date Title
JP7046220B2 (ja) 小ブロックの予測と変換のための方法、装置、及びプログラム
KR102479457B1 (ko) 비디오 압축에서의 비-정사각형 블록들에 대한 인트라 예측을 위한 방법 및 장치
KR102506525B1 (ko) 비디오 디코딩을 위한 방법, 장치 및 매체
JP7701528B2 (ja) ビデオビットストリーム符号化方法、装置、及びプログラム
JP7835833B2 (ja) 予測モードおよび符号化ブロックフラグ（ｃｂｆ）のコンテキスト設計を更に向上する方法および機器
JP7260561B2 (ja) マルチラインイントラ予測のためのイントラ補間フィルタを選択する方法、装置、及びコンピュータプログラム
JP2022516846A (ja) アフィン線形加重イントラ予測モードのための簡易シグナリング方法
JP2022059032A (ja) ビデオエンコーディング及びデコーディングのための方法、装置、コンピュータプログラム、及び非一時的なコンピュータ可読媒体
JP2021521721A (ja) マルチラインフレーム内予測のための方法、装置、及びコンピュータプログラム
JP2023164443A (ja) ビデオコーディングのための方法、装置、およびプログラム
JP2021520749A (ja) マルチラインイントラ予測に対するｍｐｍリスト生成を実現するための方法、装置、及びコンピュータプログラム
JP2021521720A (ja) 簡略化された最確モードリスト生成スキーム
JP2022525748A (ja) ビデオ符号化のための色変換
JP2022524783A (ja) ビデオコーディングのための方法および装置
JP2023126585A (ja) マルチラインイントラ予測のためのモードリストを生成する方法、並びにその装置及びコンピュータプログラム
JP7061202B2 (ja) フレキシブルなツリー構造における連結符号化単位
JP7061680B2 (ja) ビデオ符号化において縮減された前のラインバッファを使用するインター予測の方法及び装置
JP2022520855A (ja) Ｑｔ／ｂｔ／ｔｔサイズの改善されたヘッダシンタックス
HK40079085A (en) Intra-frame-to-inter-frame prediction control method, apparatus, device and storage medium
HK40052146A (en) Method and device for video decoding or coding
HK40047084A (en) Method and related apparatus for multi-line intra-frame prediction

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20201026

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20211116

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20211215

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220114

R150 Certificate of patent or registration of utility model

Ref document number: 7011735

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250