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SG11202109233PA - Method and apparatus for video encoding or decoding - Google Patents

Method and apparatus for video encoding or decoding

Info

Publication number
SG11202109233PA
SG11202109233PA SG11202109233PA SG11202109233PA SG11202109233PA SG 11202109233P A SG11202109233P A SG 11202109233PA SG 11202109233P A SG11202109233P A SG 11202109233PA SG 11202109233P A SG11202109233P A SG 11202109233PA SG 11202109233P A SG11202109233P A SG 11202109233PA
Authority
SG
Singapore
Prior art keywords
decoding
video encoding
encoding
video
Prior art date
Application number
SG11202109233PA
Inventor
Xin Zhao
Xiaozhong Xu
Xiang Li
Shan Liu
Original Assignee
Tencent America LLC
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
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of SG11202109233PA publication Critical patent/SG11202109233PA/en

Links

Classifications

    • 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
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding
    • 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
    • H04N19/107Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/10Methods 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
    • H04N19/186Methods 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 a colour or a chrominance component
    • 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
    • H04N19/50Methods 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
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

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)
SG11202109233PA 2019-03-12 2020-03-11 Method and apparatus for video encoding or decoding SG11202109233PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962817517P 2019-03-12 2019-03-12
PCT/US2020/022066 WO2020185876A1 (en) 2019-03-12 2020-03-11 Method and apparatus for video encoding or decoding

Publications (1)

Publication Number Publication Date
SG11202109233PA true SG11202109233PA (en) 2021-09-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202109233PA SG11202109233PA (en) 2019-03-12 2020-03-11 Method and apparatus for video encoding or decoding

Country Status (9)

Country Link
US (3) US11290722B2 (en)
EP (1) EP3939258A4 (en)
JP (3) JP7244646B2 (en)
KR (2) KR20250036265A (en)
CN (3) CN118433425A (en)
AU (4) AU2020237079B2 (en)
CA (1) CA3132485A1 (en)
SG (1) SG11202109233PA (en)
WO (1) WO2020185876A1 (en)

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EP3788787A1 (en) 2018-06-05 2021-03-10 Beijing Bytedance Network Technology Co. Ltd. Interaction between ibc and atmvp
TWI739120B (en) 2018-06-21 2021-09-11 大陸商北京字節跳動網絡技術有限公司 Unified constrains for the merge affine mode and the non-merge affine mode
CN110636297B (en) 2018-06-21 2021-05-14 北京字节跳动网络技术有限公司 Component dependent sub-block partitioning
CN110944196B (en) 2018-09-24 2023-05-30 北京字节跳动网络技术有限公司 Simplified history-based motion vector prediction
CN116886926A (en) 2018-11-10 2023-10-13 北京字节跳动网络技术有限公司 Rounding in pairwise average candidate calculations
US11632563B2 (en) * 2019-02-22 2023-04-18 Qualcomm Incorporated Motion vector derivation in video coding
BR112021017841A2 (en) * 2019-03-11 2021-11-30 Fraunhofer Ges Forschung Encoder and decoder, encoding and decoding method, video signal and system
JP7244646B2 (en) 2019-03-12 2023-03-22 テンセント・アメリカ・エルエルシー Video encoding or decoding method and apparatus and computer program
WO2021244935A1 (en) * 2020-06-03 2021-12-09 Nokia Technologies Oy A method, an apparatus and a computer program product for video encoding and video decoding
CN114466198B (en) * 2022-01-13 2025-05-16 杭州未名信科科技有限公司 Affine motion estimation circuit and method
US20250071331A1 (en) * 2022-01-21 2025-02-27 Mediatek Inc. Method and Apparatus of Cross-Component Linear Model Prediction in Video Coding System
WO2023138627A1 (en) * 2022-01-21 2023-07-27 Mediatek Inc. Method and apparatus of cross-component linear model prediction with refined parameters in video coding system
CN114818914B (en) * 2022-04-24 2024-05-24 重庆大学 Classification of multivariate time series based on phase space and optical flow images
WO2024104407A1 (en) * 2022-11-17 2024-05-23 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
CN120731596A (en) * 2023-01-10 2025-09-30 联发科技股份有限公司 Method and device for improving transform information encoding and decoding based on intra-frame chroma cross-element prediction model in video encoding and decoding
WO2025005753A1 (en) * 2023-06-30 2025-01-02 주식회사 아틴스 Intra prediction method using plurality of reference lines, and video encoding and decoding device for performing same
WO2025149025A1 (en) * 2024-01-12 2025-07-17 Mediatek Inc. Methods and apparatus of inheriting cross-component model based on cascaded vector

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JP7244646B2 (en) 2019-03-12 2023-03-22 テンセント・アメリカ・エルエルシー Video encoding or decoding method and apparatus and computer program

Also Published As

Publication number Publication date
AU2020237079B2 (en) 2023-05-11
AU2023214361A1 (en) 2023-08-31
KR20250036265A (en) 2025-03-13
CN118433425A (en) 2024-08-02
US20200296382A1 (en) 2020-09-17
CA3132485A1 (en) 2020-09-17
JP2023071987A (en) 2023-05-23
AU2023214363A1 (en) 2023-08-31
CN118433426A (en) 2024-08-02
US11290722B2 (en) 2022-03-29
AU2023214363B2 (en) 2024-04-18
CN113826384B (en) 2024-03-22
AU2023214361B2 (en) 2024-05-23
JP7244646B2 (en) 2023-03-22
EP3939258A1 (en) 2022-01-19
WO2020185876A1 (en) 2020-09-17
JP2024147698A (en) 2024-10-16
JP2022511865A (en) 2022-02-01
US12192472B2 (en) 2025-01-07
US20250097427A1 (en) 2025-03-20
EP3939258A4 (en) 2022-12-07
KR102775507B1 (en) 2025-03-06
AU2020237079A1 (en) 2021-09-23
AU2024204880A1 (en) 2024-08-01
CN113826384A (en) 2021-12-21
US20220224909A1 (en) 2022-07-14
KR20210076125A (en) 2021-06-23
JP7524387B2 (en) 2024-07-29

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