CN119013968A - 数据编码和解码 - Google Patents

数据编码和解码 Download PDF

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Publication number
CN119013968A
CN119013968A CN202380033410.3A CN202380033410A CN119013968A CN 119013968 A CN119013968 A CN 119013968A CN 202380033410 A CN202380033410 A CN 202380033410A CN 119013968 A CN119013968 A CN 119013968A
Authority
CN
China
Prior art keywords
list
cost
predictor
candidates
threshold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202380033410.3A
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English (en)
Chinese (zh)
Inventor
G·拉罗彻
P·乌诺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB2205319.3A external-priority patent/GB2617569B/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN119013968A publication Critical patent/CN119013968A/zh
Pending legal-status Critical Current

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Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202380033410.3A 2022-04-11 2023-04-11 数据编码和解码 Pending CN119013968A (zh)

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 (1)

Publication Number Publication Date
CN119013968A true CN119013968A (zh) 2024-11-22

Family

ID=86184959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380033410.3A Pending CN119013968A (zh) 2022-04-11 2023-04-11 数据编码和解码

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

Also Published As

Publication number Publication date
US20250254290A1 (en) 2025-08-07
JP2025510535A (ja) 2025-04-15
WO2023198699A2 (en) 2023-10-19
WO2023198699A3 (en) 2023-11-23
EP4508837A2 (en) 2025-02-19

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