BR112021021338A2 - Modelos de movimento global para interprevisão de vetor de movimento - Google Patents

Modelos de movimento global para interprevisão de vetor de movimento

Info

Publication number
BR112021021338A2
BR112021021338A2 BR112021021338A BR112021021338A BR112021021338A2 BR 112021021338 A2 BR112021021338 A2 BR 112021021338A2 BR 112021021338 A BR112021021338 A BR 112021021338A BR 112021021338 A BR112021021338 A BR 112021021338A BR 112021021338 A2 BR112021021338 A2 BR 112021021338A2
Authority
BR
Brazil
Prior art keywords
motion
vector prediction
models
global
current frame
Prior art date
Application number
BR112021021338A
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 BR112021021338A2 publication Critical patent/BR112021021338A2/pt

Links

Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

Abstract

modelos de movimento global para interprevisão de vetor de movimento. trata-se de um decodificador que inclui conjunto de circuitos configurados para receber um fluxo de bits, extrair um cabeçalho associado a um quadro atual e incluir um sinal que caracteriza que o movimento global está ativado e caracteriza adicionalmente parâmetros de um modelo de movimento e decodificar o quadro atual, sendo que a decodificação inclui usar os parâmetros do modelo de movimento para cada bloco atual no quadro atual. aparelho relacionado, sistemas, técnicas e artigos são também descritos.
BR112021021338A 2019-04-25 2020-04-24 Modelos de movimento global para interprevisão de vetor de movimento BR112021021338A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962838528P 2019-04-25 2019-04-25
PCT/US2020/029931 WO2020219961A1 (en) 2019-04-25 2020-04-24 Global motion models for motion vector inter prediction

Publications (1)

Publication Number Publication Date
BR112021021338A2 true BR112021021338A2 (pt) 2022-01-18

Family

ID=72940802

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021021338A BR112021021338A2 (pt) 2019-04-25 2020-04-24 Modelos de movimento global para interprevisão de vetor de movimento

Country Status (9)

Country Link
US (3) US11178416B2 (pt)
EP (1) EP3959885A4 (pt)
JP (2) JP2022529736A (pt)
KR (1) KR20220002987A (pt)
CN (1) CN114128288A (pt)
BR (1) BR112021021338A2 (pt)
MX (1) MX2021013063A (pt)
SG (1) SG11202111763TA (pt)
WO (1) WO2020219961A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117709130A (zh) * 2024-02-05 2024-03-15 江苏深蓝航天有限公司 载体的瞬时运动参数的求解方法和装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010011075A (ja) * 2008-06-26 2010-01-14 Toshiba Corp 動画像符号化及び動画像復号化の方法及び装置
RU2621621C2 (ru) * 2012-07-18 2017-06-06 Сони Корпорейшн Способ и устройство обработки изображения
CN106658019B (zh) * 2015-10-31 2019-11-12 华为技术有限公司 参考帧编解码的方法与装置
US11082713B2 (en) * 2015-11-20 2021-08-03 Mediatek Inc. Method and apparatus for global motion compensation in video coding system
US20190028731A1 (en) * 2016-01-07 2019-01-24 Mediatek Inc. Method and apparatus for affine inter prediction for video coding system
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US20190364298A1 (en) * 2016-11-22 2019-11-28 Electronics And Telecommunications Research Institute Image encoding/decoding method and device, and recording medium having bitstream stored thereon
WO2018169571A1 (en) * 2017-03-15 2018-09-20 Google Llc Segmentation-based parameterized motion models
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
US11877001B2 (en) 2017-10-10 2024-01-16 Qualcomm Incorporated Affine prediction in video coding
US11070813B2 (en) * 2018-06-29 2021-07-20 Intel Corporation Global motion estimation and modeling for accurate global motion compensation for efficient video processing or coding
US10834417B2 (en) * 2018-09-21 2020-11-10 Tencent America LLC Method and apparatus for video coding

Also Published As

Publication number Publication date
WO2020219961A1 (en) 2020-10-29
US11671611B2 (en) 2023-06-06
US20210337225A1 (en) 2021-10-28
US20200396473A1 (en) 2020-12-17
US11178416B2 (en) 2021-11-16
JP2023105074A (ja) 2023-07-28
US20230164341A1 (en) 2023-05-25
MX2021013063A (es) 2021-12-10
EP3959885A1 (en) 2022-03-02
SG11202111763TA (en) 2021-11-29
EP3959885A4 (en) 2022-07-20
CN114128288A (zh) 2022-03-01
KR20220002987A (ko) 2022-01-07
JP2022529736A (ja) 2022-06-23

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