JP7650806B2 - マージモードのための予測重み付けを決定する方法、装置及びシステム - Google Patents

マージモードのための予測重み付けを決定する方法、装置及びシステム Download PDF

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JP7650806B2
JP7650806B2 JP2021547847A JP2021547847A JP7650806B2 JP 7650806 B2 JP7650806 B2 JP 7650806B2 JP 2021547847 A JP2021547847 A JP 2021547847A JP 2021547847 A JP2021547847 A JP 2021547847A JP 7650806 B2 JP7650806 B2 JP 7650806B2
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JP2022523350A (ja
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チェン，ジエ
リャオ，ルーリン
イエ，ヤン
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アリババ グループ ホウルディング リミテッド
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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
    • H04N19/169—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
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    • 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
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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EP (2) EP4243417A3 (https=)
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KR (1) KR102952914B1 (https=)
CN (2) CN118660155A (https=)
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CN112997495B (zh) 2018-11-10 2024-02-20 北京字节跳动网络技术有限公司 当前图片参考中的取整
KR102387873B1 (ko) * 2018-12-13 2022-04-18 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 구축된 아핀 병합 후보들을 도출하기 위한 방법
EP4243417A3 (en) * 2019-03-11 2023-11-15 Alibaba Group Holding Limited Method, device, and system for determining prediction weight for merge mode
JP7256290B2 (ja) * 2019-03-12 2023-04-11 エルジー エレクトロニクス インコーポレイティド 双予測のための加重値インデックス情報を誘導するビデオ又は映像コーディング
KR102934010B1 (ko) * 2019-06-14 2026-03-03 엘지전자 주식회사 쌍 예측(bi-prediction)이 적용되는 경우 가중 평균을 위한 가중치 인덱스 정보를 도출하는 영상 디코딩 방법 및 그 장치
WO2020262902A1 (ko) * 2019-06-24 2020-12-30 엘지전자 주식회사 쌍 예측을 적용하는 영상 디코딩 방법 및 그 장치
CN119213769A (zh) * 2022-04-12 2024-12-27 抖音视界有限公司 用于视频处理的方法、装置和介质
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US12250399B2 (en) 2025-03-11
US20220345741A1 (en) 2022-10-27
JP2025100547A (ja) 2025-07-03
JP7853534B2 (ja) 2026-04-30
TWI904683B (zh) 2025-11-11
CN118660155A (zh) 2024-09-17
WO2020185429A1 (en) 2020-09-17
EP3939262A1 (en) 2022-01-19
TW202044830A (zh) 2020-12-01
US11394999B2 (en) 2022-07-19
JP2022523350A (ja) 2022-04-22
WO2020185429A8 (en) 2021-11-04
KR20210129721A (ko) 2021-10-28
TW202435608A (zh) 2024-09-01
TWI846835B (zh) 2024-07-01
EP4243417A3 (en) 2023-11-15
EP3939262A4 (en) 2022-11-09
CN113748673A (zh) 2021-12-03
KR102952914B1 (ko) 2026-04-15
US20200296415A1 (en) 2020-09-17
CN113748673B (zh) 2024-07-05
US20250184525A1 (en) 2025-06-05
EP4243417A2 (en) 2023-09-13

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