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
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    • 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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WO2021006562A1 (ko) * 2019-07-05 2021-01-14 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
CN121585812A (zh) * 2019-09-07 2026-02-27 北京达佳互联信息技术有限公司 视频数据的解码和编码方法以及装置
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
WO2023197104A1 (zh) * 2022-04-11 2023-10-19 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
US20250168358A1 (en) * 2023-11-21 2025-05-22 Tencent America LLC Fine-grained intra prediction fusion

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

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