CA3213660A1 - Schemes for adjusting adaptive resolution for motion vector difference - Google Patents

Schemes for adjusting adaptive resolution for motion vector difference Download PDF

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Publication number
CA3213660A1
CA3213660A1 CA3213660A CA3213660A CA3213660A1 CA 3213660 A1 CA3213660 A1 CA 3213660A1 CA 3213660 A CA3213660 A CA 3213660A CA 3213660 A CA3213660 A CA 3213660A CA 3213660 A1 CA3213660 A1 CA 3213660A1
Authority
CA
Canada
Prior art keywords
mvd
block
pixel
video
prediction
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
CA3213660A
Other languages
English (en)
French (fr)
Inventor
Liang Zhao
Xin Zhao
Shan Liu
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.)
Tencent America LLC
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
Priority claimed from US17/824,193 external-priority patent/US20230128502A1/en
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3213660A1 publication Critical patent/CA3213660A1/en
Pending legal-status Critical Current

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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
    • H04N19/513Processing 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
    • H04N19/523Motion 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
    • H04N19/10Methods 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
    • H04N19/105Selection 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
    • 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
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3213660A 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference Pending CA3213660A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263302518P 2022-01-24 2022-01-24
US63/302,518 2022-01-24
US17/824,193 US20230128502A1 (en) 2021-10-21 2022-05-25 Schemes for Adjusting Adaptive Resolution for Motion Vector Difference
US17/824,193 2022-05-25
PCT/US2022/032077 WO2023140884A1 (en) 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference

Publications (1)

Publication Number Publication Date
CA3213660A1 true CA3213660A1 (en) 2023-07-27

Family

ID=87349110

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3213660A Pending CA3213660A1 (en) 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference

Country Status (6)

Country Link
JP (1) JP2024513066A (ko)
KR (1) KR20230145144A (ko)
CN (1) CN116830572A (ko)
AU (1) AU2022434642A1 (ko)
CA (1) CA3213660A1 (ko)
WO (1) WO2023140884A1 (ko)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10979732B2 (en) * 2016-10-04 2021-04-13 Qualcomm Incorporated Adaptive motion vector precision for video coding

Also Published As

Publication number Publication date
JP2024513066A (ja) 2024-03-21
WO2023140884A1 (en) 2023-07-27
CN116830572A (zh) 2023-09-29
KR20230145144A (ko) 2023-10-17
AU2022434642A1 (en) 2023-10-19

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