BR112022020770A2 - Métodos e sistemas de codificação de vídeo utilizando regiões de referência - Google Patents

Métodos e sistemas de codificação de vídeo utilizando regiões de referência

Info

Publication number
BR112022020770A2
BR112022020770A2 BR112022020770A BR112022020770A BR112022020770A2 BR 112022020770 A2 BR112022020770 A2 BR 112022020770A2 BR 112022020770 A BR112022020770 A BR 112022020770A BR 112022020770 A BR112022020770 A BR 112022020770A BR 112022020770 A2 BR112022020770 A2 BR 112022020770A2
Authority
BR
Brazil
Prior art keywords
systems
frame
video coding
coding methods
reference regions
Prior art date
Application number
BR112022020770A
Other languages
English (en)
Inventor
Kalva Hari
Furht Borivoje
Adzic Velibor
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 BR112022020770A2 publication Critical patent/BR112022020770A2/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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection 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
    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • H04N19/184—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

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

Abstract

MÉTODOS E SISTEMAS DE CODIFICAÇÃO DE VÍDEO UTILIZANDO REGIÕES DE REFERÊNCIA. Um decodificador que inclui conjuntos de circuitos configurados para o recebimento de um fluxo de bits, a identificação de um primeiro quadro, a localização de uma primeira região de referência independente dentro do primeiro quadro, a extração da primeira região de referência independente do primeiro quadro, a decodificação de um segundo quadro utilizando a primeira região de referência independente como uma referência para o segundo quadro.
BR112022020770A 2020-04-14 2021-04-14 Métodos e sistemas de codificação de vídeo utilizando regiões de referência BR112022020770A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063009978P 2020-04-14 2020-04-14
PCT/US2021/027183 WO2021211651A1 (en) 2020-04-14 2021-04-14 Methods and systems of video coding using reference regions
US17/229,957 US11356660B2 (en) 2020-04-14 2021-04-14 Methods and systems of video coding using reference regions

Publications (1)

Publication Number Publication Date
BR112022020770A2 true BR112022020770A2 (pt) 2022-11-29

Family

ID=78006600

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022020770A BR112022020770A2 (pt) 2020-04-14 2021-04-14 Métodos e sistemas de codificação de vídeo utilizando regiões de referência

Country Status (8)

Country Link
US (1) US11356660B2 (pt)
EP (1) EP4136577A4 (pt)
JP (1) JP2023522845A (pt)
KR (1) KR20230003491A (pt)
CN (1) CN115917611B (pt)
BR (1) BR112022020770A2 (pt)
MX (1) MX2022012430A (pt)
WO (1) WO2021211651A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11616955B2 (en) * 2020-07-14 2023-03-28 Avago Technologies International Sales Pte. Limited Signaling of rectangular slices in the VVC video compression standard

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JP4373702B2 (ja) * 2003-05-07 2009-11-25 株式会社エヌ・ティ・ティ・ドコモ 動画像符号化装置、動画像復号化装置、動画像符号化方法、動画像復号化方法、動画像符号化プログラム及び動画像復号化プログラム
CN105049894B (zh) * 2005-12-08 2018-03-16 维德约股份有限公司 用于视频通信系统中的差错弹性和随机接入的系统和方法
WO2008056959A1 (en) * 2006-11-09 2008-05-15 Lg Electronics Inc. Method and apparatus for decoding/encoding a video signal
MX2013008691A (es) * 2011-02-10 2013-08-21 Panasonic Corp Metodo de codificacion de imagenes en movimiento, aparato de codificacion de imagenes en movimiento, metodo de decodificacion de imagenes en movimiento, aparato de decodificacion de imagenes en movimiento y aparato de codificacion y decodificacion de imagenes en movimiento.
US9111376B2 (en) * 2012-01-26 2015-08-18 Samsung Electronics Co., Ltd. Image processing method and apparatus for 3D video
CN104221384A (zh) * 2012-04-13 2014-12-17 夏普株式会社 用于发送和接收长期参考画面指示符的设备
US10230972B2 (en) * 2012-07-01 2019-03-12 Sharp Kabushiki Kaisha Device for signaling a long-term reference picture in a parameter set
US9800857B2 (en) * 2013-03-08 2017-10-24 Qualcomm Incorporated Inter-view residual prediction in multi-view or 3-dimensional video coding
WO2014163452A1 (ko) * 2013-04-05 2014-10-09 삼성전자 주식회사 멀티 레이어 비디오의 복호화 방법 및 장치, 멀티 레이어 비디오의 부호화 방법 및 장치
US10368097B2 (en) * 2014-01-07 2019-07-30 Nokia Technologies Oy Apparatus, a method and a computer program product for coding and decoding chroma components of texture pictures for sample prediction of depth pictures
KR102553844B1 (ko) * 2014-11-27 2023-07-10 주식회사 케이티 비디오 신호 처리 방법 및 장치
KR102146436B1 (ko) * 2015-09-25 2020-08-20 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 모션 보상을 위한 장치 및 방법
FI20165547A (fi) * 2016-06-30 2017-12-31 Nokia Technologies Oy Laitteisto, menetelmä ja tietokoneohjelma videokoodausta ja videokoodauksen purkua varten
KR20240051314A (ko) * 2016-10-04 2024-04-19 주식회사 비원영상기술연구소 영상 데이터 부호화/복호화 방법 및 장치
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
WO2020185879A1 (en) * 2019-03-11 2020-09-17 Dolby Laboratories Licensing Corporation Video coding using reference picture resampling supporting region of interest
US11206404B2 (en) * 2019-07-08 2021-12-21 Fastvdo Llc Adaptive resolution change in video streams

Also Published As

Publication number Publication date
WO2021211651A1 (en) 2021-10-21
US11356660B2 (en) 2022-06-07
KR20230003491A (ko) 2023-01-06
JP2023522845A (ja) 2023-06-01
CN115917611A (zh) 2023-04-04
CN115917611B (zh) 2024-04-26
EP4136577A1 (en) 2023-02-22
MX2022012430A (es) 2022-11-30
EP4136577A4 (en) 2024-05-01
US20210321088A1 (en) 2021-10-14

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