BR112021021331A2 - Sinalização de vetor de movimento global em cabeçalho de imagem - Google Patents

Sinalização de vetor de movimento global em cabeçalho de imagem

Info

Publication number
BR112021021331A2
BR112021021331A2 BR112021021331A BR112021021331A BR112021021331A2 BR 112021021331 A2 BR112021021331 A2 BR 112021021331A2 BR 112021021331 A BR112021021331 A BR 112021021331A BR 112021021331 A BR112021021331 A BR 112021021331A BR 112021021331 A2 BR112021021331 A2 BR 112021021331A2
Authority
BR
Brazil
Prior art keywords
global motion
signage
motion vector
image header
header
Prior art date
Application number
BR112021021331A
Other languages
English (en)
Inventor
Adzic Velibor
Furht Borivoje
Kalva Hari
Original Assignee
Op Solutions 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 Op Solutions Llc filed Critical Op Solutions Llc
Publication of BR112021021331A2 publication Critical patent/BR112021021331A2/pt

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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
    • H04N19/527—Global motion vector estimation
    • 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
    • H04N19/70—Methods 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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • H04N19/90—Methods 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • 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
    • H04N19/90—Methods 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

sinalização de vetor de movimento global em cabeçalho de imagem. trata-se de um decodificador que inclui conjunto de circuitos configurados para receber um fluxo de bits, extrair um cabeçalho, determinar, usando o cabeçalho, um modelo de movimento global e decodificar um bloco atual de um quadro atual usando o modelo de movimento global. aparelho relacionado, sistemas, técnicas e artigos são também descritos.
BR112021021331A 2019-04-25 2020-04-24 Sinalização de vetor de movimento global em cabeçalho de imagem BR112021021331A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962838509P 2019-04-25 2019-04-25
PCT/US2020/029944 WO2020219970A1 (en) 2019-04-24 2020-04-24 Signaling of global motion vector in picture header

Publications (1)

Publication Number Publication Date
BR112021021331A2 true BR112021021331A2 (pt) 2021-12-14

Family

ID=72941856

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021021331A BR112021021331A2 (pt) 2019-04-25 2020-04-24 Sinalização de vetor de movimento global em cabeçalho de imagem

Country Status (9)

Country Link
US (3) US11252433B2 (pt)
EP (1) EP3959886A4 (pt)
JP (2) JP7321583B2 (pt)
KR (1) KR20220002989A (pt)
CN (1) CN114128287A (pt)
BR (1) BR112021021331A2 (pt)
MX (1) MX2021013057A (pt)
SG (1) SG11202111760SA (pt)
WO (1) WO2020219970A1 (pt)

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US11949909B2 (en) * 2020-12-29 2024-04-02 Qualcomm Incorporated Global motion estimation using road and ground object labels for geometry-based point cloud compression

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Also Published As

Publication number Publication date
KR20220002989A (ko) 2022-01-07
MX2021013057A (es) 2021-12-10
EP3959886A1 (en) 2022-03-02
US20200396479A1 (en) 2020-12-17
JP7321583B2 (ja) 2023-08-07
JP2022530411A (ja) 2022-06-29
JP2023126567A (ja) 2023-09-07
WO2020219970A8 (en) 2020-12-10
US20240048758A1 (en) 2024-02-08
SG11202111760SA (en) 2021-11-29
CN114128287A (zh) 2022-03-01
US11812054B2 (en) 2023-11-07
EP3959886A4 (en) 2022-06-22
WO2020219970A1 (en) 2020-10-29
US11252433B2 (en) 2022-02-15
US20220174312A1 (en) 2022-06-02

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