JP2025505073A - 境界外条件のための双予測に対するサブブロックベースの制約 - Google Patents

境界外条件のための双予測に対するサブブロックベースの制約 Download PDF

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JP2025505073A
JP2025505073A JP2023560904A JP2023560904A JP2025505073A JP 2025505073 A JP2025505073 A JP 2025505073A JP 2023560904 A JP2023560904 A JP 2023560904A JP 2023560904 A JP2023560904 A JP 2023560904A JP 2025505073 A JP2025505073 A JP 2025505073A
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block
sub
boundary
reference picture
prediction
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JP2025505073A5 (https=
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グイチュン・リ
シアン・リ
リェン－フェイ・チェン
シャン・リュウ
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Tencent America LLC
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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
    • H04N19/102—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
    • H04N19/119—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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023560904A 2022-02-07 2022-11-11 境界外条件のための双予測に対するサブブロックベースの制約 Pending JP2025505073A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263307536P 2022-02-07 2022-02-07
US63/307,536 2022-02-07
US17/983,879 US12095984B2 (en) 2022-02-07 2022-11-09 Sub-block based constraint on bi-prediction for out-of-boundary conditions
US17/983,879 2022-11-09
PCT/US2022/079760 WO2023149971A1 (en) 2022-02-07 2022-11-11 Sub-block based constraint on bi-prediction for out-of-boundary conditions

Publications (2)

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JP2025505073A true JP2025505073A (ja) 2025-02-21
JP2025505073A5 JP2025505073A5 (https=) 2025-11-19

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US (2) US12095984B2 (https=)
EP (1) EP4476911A4 (https=)
JP (1) JP2025505073A (https=)
KR (1) KR20230147200A (https=)
CN (1) CN117178552A (https=)
WO (1) WO2023149971A1 (https=)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
KR102829138B1 (ko) * 2018-06-27 2025-07-03 디지털인사이트 주식회사 영상 부호화/복호화 방법 및 장치
CN119156821A (zh) * 2022-04-05 2024-12-17 抖音视界有限公司 用于视频处理的方法、装置和介质
US12348747B2 (en) * 2023-04-25 2025-07-01 Tencent America LLC Implicit masked blending mode
US12477122B2 (en) * 2023-06-20 2025-11-18 Tencent America LLC Implicit masked blending mode improvement
US12284375B2 (en) 2023-06-27 2025-04-22 Tencent America LLC Implicit masked blending mode improvement with high level syntax
US12568242B2 (en) 2023-07-14 2026-03-03 Tencent America LLC Implicit masked blending mode combined with MV refinement methods
US20250150586A1 (en) * 2023-11-03 2025-05-08 Tencent America LLC Direction-adaptive region-based prediction combination
KR20250138376A (ko) * 2024-03-13 2025-09-22 현대자동차주식회사 양방향 광학 흐름의 개선에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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JP2012023597A (ja) * 2010-07-15 2012-02-02 Sony Corp 画像処理装置及び画像処理方法
EP3435673A4 (en) * 2016-03-24 2019-12-25 Intellectual Discovery Co., Ltd. METHOD AND DEVICE FOR CODING / DECODING A VIDEO SIGNAL
WO2018230493A1 (ja) * 2017-06-14 2018-12-20 シャープ株式会社 動画像復号装置、動画像符号化装置、予測画像生成装置及び動きベクトル導出装置
US10728573B2 (en) * 2017-09-08 2020-07-28 Qualcomm Incorporated Motion compensated boundary pixel padding
WO2019234598A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Interaction between ibc and stmvp
TWI722465B (zh) * 2018-06-29 2021-03-21 大陸商北京字節跳動網絡技術有限公司 子塊的邊界增強
WO2020017423A1 (en) * 2018-07-17 2020-01-23 Panasonic Intellectual Property Corporation Of America Motion vector prediction for video coding
DK3876539T3 (da) * 2018-11-08 2024-02-12 Guangdong Oppo Mobile Telecommunications Corp Ltd Fremgangsmåde til kodning/afkodning af et billedsignal og tilknyttet apparat
KR102696385B1 (ko) * 2018-11-26 2024-08-20 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 타일 독립성 제약을 이용하는 인터 예측 개념
US10893298B2 (en) * 2018-12-12 2021-01-12 Tencent America LLC Method and apparatus for video coding
CN113994701B (zh) * 2019-06-24 2026-03-27 阿里巴巴创新公司 用于在视频编码中进行运动场存储的方法和设备
US11223840B2 (en) * 2019-08-19 2022-01-11 Tencent America LLC Method and apparatus for video coding
US12418648B2 (en) * 2022-07-20 2025-09-16 Tencent America LLC Signaling of downsampling filters for chroma from luma intra prediction mode

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WO2023149971A1 (en) 2023-08-10
CN117178552A (zh) 2023-12-05
KR20230147200A (ko) 2023-10-20
US20230254477A1 (en) 2023-08-10
EP4476911A1 (en) 2024-12-18
US20240406384A1 (en) 2024-12-05
EP4476911A4 (en) 2025-12-31
US12095984B2 (en) 2024-09-17

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