BR112021021342A2 - Vetor de movimento restrito ao movimento global em interprevisão - Google Patents

Vetor de movimento restrito ao movimento global em interprevisão

Info

Publication number
BR112021021342A2
BR112021021342A2 BR112021021342A BR112021021342A BR112021021342A2 BR 112021021342 A2 BR112021021342 A2 BR 112021021342A2 BR 112021021342 A BR112021021342 A BR 112021021342A BR 112021021342 A BR112021021342 A BR 112021021342A BR 112021021342 A2 BR112021021342 A2 BR 112021021342A2
Authority
BR
Brazil
Prior art keywords
motion
global
interpredict
motion vector
vector restricted
Prior art date
Application number
BR112021021342A
Other languages
English (en)
Inventor
Furht Borivoje
Kalva Hari
Velibor Adzic
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 BR112021021342A2 publication Critical patent/BR112021021342A2/pt

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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
    • 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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/134—Methods 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/543—Motion estimation other than block-based using regions
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Abstract

vetor de movimento restrito ao movimento global em interprevisão. trata-se de um decodificador que inclui conjunto de circuitos configurado 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 que caracteriza adicionalmente parâmetros de um modelo de movimento global e que decodifica o quadro atual, sendo que a decodificação inclui o uso de um modelo de movimento para cada bloco atual com uma complexidade menor ou igual a uma complexidade do modelo de movimento global. aparelho relacionado, sistemas, técnicas e artigos são também descritos.
BR112021021342A 2019-04-25 2020-04-24 Vetor de movimento restrito ao movimento global em interprevisão BR112021021342A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962838563P 2019-04-25 2019-04-25
PCT/US2020/029926 WO2020219956A1 (en) 2019-04-25 2020-04-24 Global motion constrained motion vector in inter prediction

Publications (1)

Publication Number Publication Date
BR112021021342A2 true BR112021021342A2 (pt) 2022-01-18

Family

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BR112021021342A BR112021021342A2 (pt) 2019-04-25 2020-04-24 Vetor de movimento restrito ao movimento global em interprevisão

Country Status (9)

Country Link
US (3) US11284104B2 (pt)
EP (1) EP3959883A4 (pt)
JP (2) JP7448975B2 (pt)
KR (1) KR20220002990A (pt)
CN (1) CN114026868A (pt)
BR (1) BR112021021342A2 (pt)
MX (1) MX2021013065A (pt)
SG (1) SG11202111738RA (pt)
WO (1) WO2020219956A1 (pt)

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Publication number Priority date Publication date Assignee Title
CN116828176A (zh) * 2019-06-11 2023-09-29 Lg电子株式会社 解码设备、编码设备和发送设备
WO2021072177A1 (en) 2019-10-09 2021-04-15 Bytedance Inc. Cross-component adaptive loop filtering in video coding
CN114586370B (zh) 2019-10-14 2024-01-23 字节跳动有限公司 在视频编解码中使用色度量化参数的方法、装置及介质
JP2023504574A (ja) * 2019-12-09 2023-02-03 バイトダンス インコーポレイテッド ビデオコーディングにおける量子化グループの使用
WO2021138293A1 (en) 2019-12-31 2021-07-08 Bytedance Inc. Adaptive color transform in video coding

Family Cites Families (11)

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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
CN108293128A (zh) * 2015-11-20 2018-07-17 联发科技股份有限公司 视频编解码系统中全局运动补偿的方法及装置
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
WO2018097589A1 (ko) 2016-11-22 2018-05-31 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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
US10681374B2 (en) * 2017-11-16 2020-06-09 Google Llc Diversified motion using multiple global motion models
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
US11166028B2 (en) * 2019-02-01 2021-11-02 Comcast Cable Communications, Llc Methods and systems for providing variable bitrate content

Also Published As

Publication number Publication date
US11284104B2 (en) 2022-03-22
US20220046275A1 (en) 2022-02-10
US11785252B2 (en) 2023-10-10
CN114026868A (zh) 2022-02-08
JP2024045720A (ja) 2024-04-02
JP7448975B2 (ja) 2024-03-13
MX2021013065A (es) 2022-04-12
EP3959883A1 (en) 2022-03-02
JP2022529508A (ja) 2022-06-22
EP3959883A4 (en) 2022-07-20
WO2020219956A1 (en) 2020-10-29
KR20220002990A (ko) 2022-01-07
US20240040145A1 (en) 2024-02-01
US20210021863A1 (en) 2021-01-21
SG11202111738RA (en) 2021-11-29

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