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

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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
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JP2021520157A (ja
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ジャオ，シン
リ，シアン
リィウ，シャン
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Tencent America LLC
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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
    • H04N19/134—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

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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)

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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 JP2025134858A (ja) 2018-11-14 2025-06-19 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

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US201862767473P 2018-11-14 2018-11-14
US62/767,473 2018-11-14
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)
US16/454,294 2019-06-27
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)

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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
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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2021006390A (es) * 2018-11-29 2021-09-10 Huawei Tech Co Ltd Codificador, decodificador y métodos correspondientes de la construcción de lista de modo más probable para bloques con predicción de multihipótesis.
TWI846782B (zh) * 2018-12-14 2024-07-01 美商松下電器（美國）知識產權公司 編碼裝置及解碼裝置
CA3134398A1 (en) 2019-03-23 2020-10-01 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for intra prediction
KR102710817B1 (ko) * 2019-07-05 2024-09-26 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
KR102442653B1 (ko) * 2019-09-07 2022-09-13 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서의 예측 모드 시그널링
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
US12256100B2 (en) * 2022-07-01 2025-03-18 Tencent America LLC Dynamic mesh vertex displacements coding
US20250168358A1 (en) * 2023-11-21 2025-05-22 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
ES2347912T3 (es) * 2006-01-09 2010-11-25 Matthias Narroschke Codificación adaptativa de un error de predicción en la codificación de video híbrida.
KR101782929B1 (ko) * 2010-05-26 2017-09-28 엘지전자 주식회사 비디오 신호의 처리 방법 및 장치
EP3383046A1 (en) * 2010-09-30 2018-10-03 Sun Patent Trust Image decoding method, image decoding apparatus and program
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
CN105934948B (zh) * 2013-12-13 2019-04-02 高通股份有限公司 解码和编码视频数据的方法和装置及计算机可读存储介质
AU2015231883B2 (en) * 2014-03-16 2019-05-16 Interdigital Vc Holdings, Inc. Method and apparatus for the signaling of lossless video coding
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
WO2017043760A1 (ko) * 2015-09-08 2017-03-16 삼성전자 주식회사 엔트로피 부호화 및 복호화를 위한 장치 및 방법
US9807423B1 (en) * 2015-11-24 2017-10-31 Google Inc. Hybrid transform scheme for video coding
US10863207B2 (en) * 2015-11-27 2020-12-08 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
US10560723B2 (en) * 2017-05-08 2020-02-11 Qualcomm Incorporated Context modeling for transform coefficient coding
EP3625963A4 (en) * 2017-06-07 2020-11-18 MediaTek Inc. INTRA-INTER PREDICTION MODE METHOD AND APPARATUS FOR VIDEO CODING
US11172203B2 (en) * 2017-08-08 2021-11-09 Mediatek Inc. Intra merge prediction
WO2020098648A1 (en) * 2018-11-12 2020-05-22 Beijing Bytedance Network Technology Co., Ltd. Using combined inter intra prediction in video processing

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

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

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