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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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
    • 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
    • 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
    • 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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  • Signal Processing (AREA)
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JP2021547847A 2019-03-11 2020-02-28 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 Active JP7650806B2 (ja)

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US201962816879P 2019-03-11 2019-03-11
US62/816,879 2019-03-11
PCT/US2020/020483 WO2020185429A1 (en) 2019-03-11 2020-02-28 Method, device, and system for determining prediction weight for merge mode

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EP (2) EP3939262A4 (https=)
JP (1) JP7650806B2 (https=)
KR (1) KR102952914B1 (https=)
CN (2) CN113748673B (https=)
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US11394999B2 (en) * 2019-03-11 2022-07-19 Alibaba Group Holding Limited Method, device, and system for determining prediction weight for merge mode
EP3923583A4 (en) * 2019-03-12 2022-04-27 LG Electronics Inc. VIDEO OR IMAGE CODING TO GENERATE WEIGHT INDEX INFORMATION FOR BI PREDICTION
CN119697388A (zh) * 2019-06-14 2025-03-25 Lg电子株式会社 解码和编码设备及发送用于图像的数据的设备
CN120128716A (zh) * 2019-06-24 2025-06-10 Lg电子株式会社 图像解码和编码方法及发送用于图像的数据的方法
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US12489886B2 (en) * 2022-07-04 2025-12-02 Alibaba (China) Co., Ltd. Deriving bi-prediction with coding unit-level weight indices for merge candidates

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TW202044830A (zh) 2020-12-01
US11394999B2 (en) 2022-07-19
US20250184525A1 (en) 2025-06-05
KR20210129721A (ko) 2021-10-28
TWI846835B (zh) 2024-07-01
JP2022523350A (ja) 2022-04-22
EP4243417A3 (en) 2023-11-15
KR102952914B1 (ko) 2026-04-15
EP4243417A2 (en) 2023-09-13
US20200296415A1 (en) 2020-09-17
TWI904683B (zh) 2025-11-11
CN118660155A (zh) 2024-09-17
JP2025100547A (ja) 2025-07-03
US12250399B2 (en) 2025-03-11
CN113748673B (zh) 2024-07-05
CN113748673A (zh) 2021-12-03
EP3939262A1 (en) 2022-01-19
WO2020185429A1 (en) 2020-09-17
US20220345741A1 (en) 2022-10-27
TW202435608A (zh) 2024-09-01
WO2020185429A8 (en) 2021-11-04
EP3939262A4 (en) 2022-11-09

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