CA3105072A1 - Adaptive control point selection for affine motion model based video coding - Google Patents

Adaptive control point selection for affine motion model based video coding Download PDF

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Publication number
CA3105072A1
CA3105072A1 CA3105072A CA3105072A CA3105072A1 CA 3105072 A1 CA3105072 A1 CA 3105072A1 CA 3105072 A CA3105072 A CA 3105072A CA 3105072 A CA3105072 A CA 3105072A CA 3105072 A1 CA3105072 A1 CA 3105072A1
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Canada
Prior art keywords
block
control point
sub
affine
motion vector
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Pending
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CA3105072A
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English (en)
French (fr)
Inventor
Yuwen He
Xiaoyu XIU
Yan Ye
Philippe HANHART
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Vid Scale Inc
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Vid Scale Inc
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Application filed by Vid Scale Inc filed Critical Vid Scale Inc
Publication of CA3105072A1 publication Critical patent/CA3105072A1/en
Pending legal-status Critical Current

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    • 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
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/527Global 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
    • H04N19/537Motion 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
    • H04N19/55Motion estimation with spatial constraints, e.g. at image or region borders

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3105072A 2018-06-29 2019-06-27 Adaptive control point selection for affine motion model based video coding Pending CA3105072A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201862691770P 2018-06-29 2018-06-29
US62/691,770 2018-06-29
US201862734728P 2018-09-21 2018-09-21
US62/734,728 2018-09-21
US201862778055P 2018-12-11 2018-12-11
US62/778,055 2018-12-11
PCT/US2019/039611 WO2020006304A1 (en) 2018-06-29 2019-06-27 Adaptive control point selection for affine motion model based video coding

Publications (1)

Publication Number Publication Date
CA3105072A1 true CA3105072A1 (en) 2020-01-02

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Family Applications (1)

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CA3105072A Pending CA3105072A1 (en) 2018-06-29 2019-06-27 Adaptive control point selection for affine motion model based video coding

Country Status (8)

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US (3) US11503328B2 (enExample)
EP (1) EP3815375B1 (enExample)
JP (2) JP7779657B2 (enExample)
CN (3) CN119011869A (enExample)
CA (1) CA3105072A1 (enExample)
SG (1) SG11202012967VA (enExample)
WO (1) WO2020006304A1 (enExample)
ZA (1) ZA202100014B (enExample)

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Also Published As

Publication number Publication date
CN119011869A (zh) 2024-11-22
WO2020006304A1 (en) 2020-01-02
KR20210038846A (ko) 2021-04-08
CN112335247A (zh) 2021-02-05
JP7779657B2 (ja) 2025-12-03
CN119071502A (zh) 2024-12-03
SG11202012967VA (en) 2021-01-28
JP2024138494A (ja) 2024-10-08
US11503328B2 (en) 2022-11-15
JP7794901B2 (ja) 2026-01-06
US20240305812A1 (en) 2024-09-12
US20210274209A1 (en) 2021-09-02
ZA202100014B (en) 2023-10-25
CN112335247B (zh) 2024-09-27
EP3815375B1 (en) 2026-04-22
JP2021529462A (ja) 2021-10-28
US11991384B2 (en) 2024-05-21
EP3815375A1 (en) 2021-05-05
US20230073342A1 (en) 2023-03-09

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