JP2025510514A - ビデオの符号化と復号 - Google Patents

ビデオの符号化と復号 Download PDF

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Publication number
JP2025510514A
JP2025510514A JP2024550328A JP2024550328A JP2025510514A JP 2025510514 A JP2025510514 A JP 2025510514A JP 2024550328 A JP2024550328 A JP 2024550328A JP 2024550328 A JP2024550328 A JP 2024550328A JP 2025510514 A JP2025510514 A JP 2025510514A
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JP
Japan
Prior art keywords
candidates
list
candidate
motion vector
cost
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Pending
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JP2024550328A
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English (en)
Japanese (ja)
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JP2025510514A5 (enExample
Inventor
ギローム ラロシュ,
パトリス オンノ,
ロマン ベルソール,
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Publication of JP2025510514A publication Critical patent/JP2025510514A/ja
Publication of JP2025510514A5 publication Critical patent/JP2025510514A5/ja
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2024550328A 2022-04-11 2023-04-11 ビデオの符号化と復号 Pending JP2025510514A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2205318.5A GB2617568A (en) 2022-04-11 2022-04-11 Video coding and decoding
GB2205318.5 2022-04-11
PCT/EP2023/059429 WO2023198701A2 (en) 2022-04-11 2023-04-11 Video coding and decoding

Publications (2)

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JP2025510514A true JP2025510514A (ja) 2025-04-15
JP2025510514A5 JP2025510514A5 (enExample) 2026-04-06

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JP2024550328A Pending JP2025510514A (ja) 2022-04-11 2023-04-11 ビデオの符号化と復号

Country Status (5)

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US (1) US20250240445A1 (enExample)
JP (1) JP2025510514A (enExample)
CN (1) CN119013966A (enExample)
GB (1) GB2617568A (enExample)
WO (1) WO2023198701A2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025149344A1 (en) * 2024-01-09 2025-07-17 Interdigital Ce Patent Holdings, Sas Mmvd candidates list for dmvr candidates

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108293131B (zh) * 2015-11-20 2021-08-31 联发科技股份有限公司 基于优先级运动矢量预测子推导的方法及装置
US10701393B2 (en) * 2017-05-10 2020-06-30 Mediatek Inc. Method and apparatus of reordering motion vector prediction candidate set for video coding
WO2019103564A1 (ko) * 2017-11-27 2019-05-31 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
WO2019107916A1 (ko) * 2017-11-30 2019-06-06 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
WO2019194499A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
WO2020004931A1 (ko) * 2018-06-27 2020-01-02 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 처리 방법 및 장치
US10863193B2 (en) * 2018-06-29 2020-12-08 Qualcomm Incorporated Buffer restriction during motion vector prediction for video coding
US10911768B2 (en) * 2018-07-11 2021-02-02 Tencent America LLC Constraint for template matching in decoder side motion derivation and refinement
EP4409907A1 (en) * 2021-09-29 2024-08-07 Canon Kabushiki Kaisha Video coding and decoding
CN118511521A (zh) * 2021-10-29 2024-08-16 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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Publication number Publication date
WO2023198701A3 (en) 2023-11-23
GB2617568A (en) 2023-10-18
WO2023198701A2 (en) 2023-10-19
GB202205318D0 (en) 2022-05-25
CN119013966A (zh) 2024-11-22
US20250240445A1 (en) 2025-07-24

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