SG11202111550WA - Gradient-based prediction refinement for video coding - Google Patents

Gradient-based prediction refinement for video coding

Info

Publication number
SG11202111550WA
SG11202111550WA SG11202111550WA SG11202111550WA SG11202111550WA SG 11202111550W A SG11202111550W A SG 11202111550WA SG 11202111550W A SG11202111550W A SG 11202111550WA SG 11202111550W A SG11202111550W A SG 11202111550WA SG 11202111550W A SG11202111550W A SG 11202111550WA
Authority
SG
Singapore
Prior art keywords
gradient
video coding
based prediction
prediction refinement
refinement
Prior art date
Application number
SG11202111550WA
Inventor
Han Huang
Wei-Jung Chien
Marta Karczewicz
Original Assignee
Qualcomm 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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11202111550WA publication Critical patent/SG11202111550WA/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
    • H04N19/10Methods 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
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/10Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/50Methods 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
    • 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
    • H04N19/523Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/50Methods 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
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202111550WA 2019-05-17 2020-05-15 Gradient-based prediction refinement for video coding SG11202111550WA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962849352P 2019-05-17 2019-05-17
US16/874,057 US11317088B2 (en) 2019-05-17 2020-05-14 Gradient-based prediction refinement for video coding
PCT/US2020/033091 WO2020236568A1 (en) 2019-05-17 2020-05-15 Gradient-based prediction refinement for video coding

Publications (1)

Publication Number Publication Date
SG11202111550WA true SG11202111550WA (en) 2021-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202111550WA SG11202111550WA (en) 2019-05-17 2020-05-15 Gradient-based prediction refinement for video coding

Country Status (13)

Country Link
US (1) US11317088B2 (en)
EP (1) EP3970370A1 (en)
JP (1) JP2022533061A (en)
KR (1) KR20220009384A (en)
CN (1) CN113950839A (en)
BR (1) BR112021022331A2 (en)
CA (1) CA3137462A1 (en)
CO (1) CO2021015352A2 (en)
IL (1) IL287257B1 (en)
MX (1) MX2021014018A (en)
SG (1) SG11202111550WA (en)
TW (1) TW202101996A (en)
WO (1) WO2020236568A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10609423B2 (en) 2016-09-07 2020-03-31 Qualcomm Incorporated Tree-type coding for video coding
US11962796B2 (en) 2019-04-01 2024-04-16 Qualcomm Incorporated Gradient-based prediction refinement for video coding
CN114365500A (en) * 2019-09-20 2022-04-15 瑞典爱立信有限公司 Method of video encoding and/or decoding with bidirectional optical flow simplification of shifting operations and related devices
US20220337865A1 (en) * 2019-09-23 2022-10-20 Sony Group Corporation Image processing device and image processing method
WO2024083992A1 (en) * 2022-10-21 2024-04-25 Interdigital Ce Patent Holdings, Sas Low complexity motion refinement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10887619B2 (en) * 2016-02-03 2021-01-05 Sharp Kabushiki Kaisha Moving image decoding device, moving image coding device, and prediction image generation device
US10694204B2 (en) * 2016-05-06 2020-06-23 Vid Scale, Inc. Systems and methods for motion compensated residual prediction
US10277895B2 (en) * 2016-12-28 2019-04-30 Arris Enterprises Llc Adaptive unequal weight planar prediction
JP7036628B2 (en) * 2017-03-10 2022-03-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Encoding device, decoding device, coding method and decoding method
US10477237B2 (en) * 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
EP3649780A1 (en) * 2017-07-03 2020-05-13 Vid Scale, Inc. Motion-compensation prediction based on bi-directional optical flow
US20190028701A1 (en) * 2017-07-24 2019-01-24 Arris Enterprises Llc Intra mode jvet coding
WO2019195643A1 (en) * 2018-04-06 2019-10-10 Vid Scale, Inc. A bi-directional optical flow method with simplified gradient derivation
US10986343B2 (en) * 2018-04-15 2021-04-20 Arris Enterprises Llc Reducing overhead for multiple-hypothesis temporal prediction

Also Published As

Publication number Publication date
US11317088B2 (en) 2022-04-26
MX2021014018A (en) 2021-12-10
TW202101996A (en) 2021-01-01
US20200366889A1 (en) 2020-11-19
CN113950839A (en) 2022-01-18
WO2020236568A1 (en) 2020-11-26
CO2021015352A2 (en) 2021-11-19
EP3970370A1 (en) 2022-03-23
CA3137462A1 (en) 2020-11-26
JP2022533061A (en) 2022-07-21
KR20220009384A (en) 2022-01-24
BR112021022331A2 (en) 2021-12-28
IL287257A (en) 2021-12-01
IL287257B1 (en) 2024-04-01

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