TW202228441A - 用於視頻譯碼的多重假設預測 - Google Patents

用於視頻譯碼的多重假設預測 Download PDF

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Publication number
TW202228441A
TW202228441A TW110147281A TW110147281A TW202228441A TW 202228441 A TW202228441 A TW 202228441A TW 110147281 A TW110147281 A TW 110147281A TW 110147281 A TW110147281 A TW 110147281A TW 202228441 A TW202228441 A TW 202228441A
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Taiwan
Prior art keywords
prediction
weight
block
mode
prediction block
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TW110147281A
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English (en)
Chinese (zh)
Inventor
黃漢
凱文 佩斯可 安德烈 瑞茲
法迪姆 塞瑞金
馬塔 卡茲維克茲
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美商高通公司
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Priority claimed from US17/644,519 external-priority patent/US12445634B2/en
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW202228441A publication Critical patent/TW202228441A/zh

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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
TW110147281A 2020-12-23 2021-12-16 用於視頻譯碼的多重假設預測 TW202228441A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202063130232P 2020-12-23 2020-12-23
US63/130,232 2020-12-23
US17/644,519 US12445634B2 (en) 2020-12-23 2021-12-15 Multiple hypothesis prediction for video coding
US17/644,519 2021-12-15

Publications (1)

Publication Number Publication Date
TW202228441A true TW202228441A (zh) 2022-07-16

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TW110147281A TW202228441A (zh) 2020-12-23 2021-12-16 用於視頻譯碼的多重假設預測

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EP (1) EP4268451A1 (https=)
JP (1) JP7795538B2 (https=)
KR (1) KR20230123933A (https=)
AU (1) AU2021409231A1 (https=)
CA (1) CA3197884A1 (https=)
CL (1) CL2023001835A1 (https=)
CO (1) CO2023008054A2 (https=)
IL (1) IL301828B1 (https=)
MX (1) MX2023007245A (https=)
TW (1) TW202228441A (https=)
WO (1) WO2022140160A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11962813B1 (en) 2022-10-13 2024-04-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025058462A1 (ko) * 2023-09-15 2025-03-20 엘지전자 주식회사 디코딩 방법, 인코딩 방법 및 영상 정보의 전송 방법
WO2025058479A1 (ko) * 2023-09-15 2025-03-20 엘지전자 주식회사 인코딩 방법, 디코딩 방법, 컴퓨터 판독 가능한 기록 매체 및 전송 방법
WO2025147176A1 (ko) * 2024-01-05 2025-07-10 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4060992B1 (en) * 2016-05-13 2025-07-02 InterDigital VC Holdings, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2019234578A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Asymmetric weighted bi-predictive merges
CN113287317B (zh) * 2018-10-23 2023-04-28 北京字节跳动网络技术有限公司 并置的局部照明补偿和修改的帧间编解码工具
JP7241870B2 (ja) * 2018-11-20 2023-03-17 北京字節跳動網絡技術有限公司 部分的な位置に基づく差分計算
CN119450038A (zh) * 2018-12-11 2025-02-14 交互数字Vc控股公司 用于对图像进行解块的方法和设备
EP3900359A1 (en) * 2018-12-21 2021-10-27 InterDigital VC Holdings, Inc. Syntax for motion information signaling in video coding
CN118202656A (zh) * 2021-11-30 2024-06-14 北京达佳互联信息技术有限公司 视频编解码中考虑边界外条件的运动补偿

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11962813B1 (en) 2022-10-13 2024-04-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
US11962812B1 (en) 2022-10-13 2024-04-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
US11997320B2 (en) 2022-10-13 2024-05-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
US12022131B2 (en) 2022-10-13 2024-06-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
US12137256B2 (en) 2022-10-13 2024-11-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
TWI871646B (zh) * 2022-10-13 2025-02-01 弗勞恩霍夫爾協會 使用編碼圖片緩存器的視頻編碼
US12382107B2 (en) 2022-10-13 2025-08-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
US12464169B2 (en) 2022-10-13 2025-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer

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Publication number Publication date
AU2021409231A1 (en) 2023-05-18
KR20230123933A (ko) 2023-08-24
CO2023008054A2 (es) 2023-07-10
AU2021409231A9 (en) 2024-08-01
CA3197884A1 (en) 2022-06-30
JP2024501154A (ja) 2024-01-11
WO2022140160A1 (en) 2022-06-30
JP7795538B2 (ja) 2026-01-07
IL301828B1 (en) 2026-03-01
IL301828A (en) 2023-06-01
MX2023007245A (es) 2023-06-29
EP4268451A1 (en) 2023-11-01
CL2023001835A1 (es) 2024-01-05

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