KR20230123933A - 비디오 코딩을 위한 다중 가설 예측 - Google Patents

비디오 코딩을 위한 다중 가설 예측 Download PDF

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Publication number
KR20230123933A
KR20230123933A KR1020237018096A KR20237018096A KR20230123933A KR 20230123933 A KR20230123933 A KR 20230123933A KR 1020237018096 A KR1020237018096 A KR 1020237018096A KR 20237018096 A KR20237018096 A KR 20237018096A KR 20230123933 A KR20230123933 A KR 20230123933A
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South Korea
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prediction
block
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prediction block
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KR1020237018096A
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English (en)
Korean (ko)
Inventor
한 황
케뱅 뢰즈
바딤 세레긴
마르타 카르체비츠
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퀄컴 인코포레이티드
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Priority claimed from US17/644,519 external-priority patent/US12445634B2/en
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Publication of KR20230123933A publication Critical patent/KR20230123933A/ko
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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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020237018096A 2020-12-23 2021-12-16 비디오 코딩을 위한 다중 가설 예측 Pending KR20230123933A (ko)

Applications Claiming Priority (5)

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
PCT/US2021/063856 WO2022140160A1 (en) 2020-12-23 2021-12-16 Multiple hypothesis prediction for video coding

Publications (1)

Publication Number Publication Date
KR20230123933A true KR20230123933A (ko) 2023-08-24

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KR1020237018096A Pending KR20230123933A (ko) 2020-12-23 2021-12-16 비디오 코딩을 위한 다중 가설 예측

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EP (1) EP4268451B1 (enExample)
JP (1) JP7795538B2 (enExample)
KR (1) KR20230123933A (enExample)
AU (1) AU2021409231A1 (enExample)
CA (1) CA3197884A1 (enExample)
CL (1) CL2023001835A1 (enExample)
CO (1) CO2023008054A2 (enExample)
IL (1) IL301828B2 (enExample)
MX (1) MX2023007245A (enExample)
TW (1) TW202228441A (enExample)
WO (1) WO2022140160A1 (enExample)

Cited By (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11695965B1 (en) 2022-10-13 2023-07-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102480191B1 (ko) * 2016-05-13 2022-12-21 브이아이디 스케일, 인크. 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법
WO2019234578A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Asymmetric weighted bi-predictive merges
WO2020084509A1 (en) * 2018-10-23 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Harmonized local illumination compensation and modified inter coding tools
EP3861742A4 (en) * 2018-11-20 2022-04-13 Beijing Bytedance Network Technology Co., Ltd. DIFFERENCE CALCULATION BASED ON SPATIAL POSITION
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
WO2020132168A1 (en) * 2018-12-21 2020-06-25 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 (3)

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

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CO2023008054A2 (es) 2023-07-10
AU2021409231A9 (en) 2024-08-01
WO2022140160A1 (en) 2022-06-30
JP2024501154A (ja) 2024-01-11
TW202228441A (zh) 2022-07-16
CA3197884A1 (en) 2022-06-30
AU2021409231A1 (en) 2023-05-18
IL301828A (en) 2023-06-01
MX2023007245A (es) 2023-06-29
EP4268451A1 (en) 2023-11-01
IL301828B2 (en) 2026-07-01
EP4268451B1 (en) 2026-08-05
IL301828B1 (en) 2026-03-01
JP7795538B2 (ja) 2026-01-07
CL2023001835A1 (es) 2024-01-05

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