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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Japan
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candidates
list
candidate
motion vector
cost
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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
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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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/51—Motion 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
GB2205318.5 2022-04-11
GB2205318.5A GB2617568B (en) 2022-04-11 2022-04-11 Video coding and decoding
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

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US (1) US20250240445A1 (enExample)
JP (1) JP2025510514A (enExample)
CN (1) CN119013966A (enExample)
GB (1) GB2617568B (enExample)
WO (1) WO2023198701A2 (enExample)

Families Citing this family (2)

* 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
WO2026153487A1 (en) * 2025-01-17 2026-07-23 Mediatek Inc. Method and apparatus of mv field derivation based on temporal motion vectors and tmvp refinement in video coding systems

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9357214B2 (en) * 2012-12-07 2016-05-31 Qualcomm Incorporated Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video
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
CN110574377B (zh) * 2017-05-10 2021-12-28 联发科技股份有限公司 用于视频编解码的重新排序运动向量预测候选集的方法及装置
EP3451665A1 (en) * 2017-09-01 2019-03-06 Thomson Licensing Refinement of internal sub-blocks of a coding unit
US11070797B2 (en) * 2017-11-27 2021-07-20 Lg Electronics Inc. Image decoding method and apparatus based on inter prediction in image coding system
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
US11477437B2 (en) * 2021-01-28 2022-10-18 Lemon Inc. Coding of motion information
WO2022214097A1 (en) * 2021-04-09 2022-10-13 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
CN117178551A (zh) * 2021-04-10 2023-12-05 北京字节跳动网络技术有限公司 用于视频处理的方法、设备和介质
US12587670B2 (en) * 2021-09-29 2026-03-24 Canon Kabushiki Kaisha Video coding and decoding
WO2023072287A1 (en) * 2021-10-29 2023-05-04 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing

Also Published As

Publication number Publication date
GB2617568A (en) 2023-10-18
WO2023198701A2 (en) 2023-10-19
US20250240445A1 (en) 2025-07-24
GB202205318D0 (en) 2022-05-25
WO2023198701A3 (en) 2023-11-23
CN119013966A (zh) 2024-11-22
GB2617568B (en) 2026-08-12

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