JP2025510535A - データの符号化と復号 - Google Patents

データの符号化と復号 Download PDF

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Publication number
JP2025510535A
JP2025510535A JP2024551655A JP2024551655A JP2025510535A JP 2025510535 A JP2025510535 A JP 2025510535A JP 2024551655 A JP2024551655 A JP 2024551655A JP 2024551655 A JP2024551655 A JP 2024551655A JP 2025510535 A JP2025510535 A JP 2025510535A
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JP
Japan
Prior art keywords
list
cost
candidates
predictor
threshold
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Pending
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JP2024551655A
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English (en)
Japanese (ja)
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JP2025510535A5 (enExample
Inventor
ギローム ラロシュ，
パトリス オンノ，
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Canon Inc
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Canon Inc
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Priority claimed from GB2205319.3A external-priority patent/GB2617569B/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of JP2025510535A publication Critical patent/JP2025510535A/ja
Publication of JP2025510535A5 publication Critical patent/JP2025510535A5/ja
Pending legal-status Critical Current

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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
    • H04N19/102—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2024551655A 2022-04-11 2023-04-11 データの符号化と復号 Pending JP2025510535A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB2205319.3A GB2617569B (en) 2022-04-11 2022-04-11 Data coding and decoding
GB2205319.3 2022-04-11
GB2208470.1 2022-06-09
GB2208470.1A GB2617626B (en) 2022-04-11 2022-06-09 Data coding and decoding
PCT/EP2023/059427 WO2023198699A2 (en) 2022-04-11 2023-04-11 Data coding and decoding

Publications (2)

Publication Number Publication Date
JP2025510535A true JP2025510535A (ja) 2025-04-15
JP2025510535A5 JP2025510535A5 (enExample) 2026-04-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024551655A Pending JP2025510535A (ja) 2022-04-11 2023-04-11 データの符号化と復号

Country Status (5)

Country Link
US (1) US20250254290A1 (enExample)
EP (1) EP4508837A2 (enExample)
JP (1) JP2025510535A (enExample)
CN (1) CN119013968A (enExample)
WO (1) WO2023198699A2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026007111A1 (en) * 2024-07-05 2026-01-08 Shenzhen Tcl New Technology Co., Ltd. Similarity estimation method for predictors and apparatus incorporating the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10171819B2 (en) * 2015-08-03 2019-01-01 Arris Enterprises Llc Intra prediction mode selection in video coding
EP3343924A1 (en) * 2017-01-03 2018-07-04 Thomson Licensing Method and apparatus for encoding and decoding motion information
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
US12219129B2 (en) * 2022-01-04 2025-02-04 Sharp Kabushiki Kaisha Device and method for decoding video data
JP2025500284A (ja) * 2022-01-10 2025-01-09 現代自動車株式会社 インター予測におけるデコーダ側の動きベクトルリストの修正の方法及び装置
KR20230141648A (ko) * 2022-03-31 2023-10-10 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체

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Publication number Publication date
US20250254290A1 (en) 2025-08-07
CN119013968A (zh) 2024-11-22
WO2023198699A2 (en) 2023-10-19
WO2023198699A3 (en) 2023-11-23
EP4508837A2 (en) 2025-02-19

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