BR112022009619A2 - Dispositivo de codificação de imagem e método para controlar filtragem em loop - Google Patents

Dispositivo de codificação de imagem e método para controlar filtragem em loop

Info

Publication number
BR112022009619A2
BR112022009619A2 BR112022009619A BR112022009619A BR112022009619A2 BR 112022009619 A2 BR112022009619 A2 BR 112022009619A2 BR 112022009619 A BR112022009619 A BR 112022009619A BR 112022009619 A BR112022009619 A BR 112022009619A BR 112022009619 A2 BR112022009619 A2 BR 112022009619A2
Authority
BR
Brazil
Prior art keywords
loop filtering
image encoding
encoding device
control loop
virtual boundaries
Prior art date
Application number
BR112022009619A
Other languages
English (en)
Inventor
Hendry Hendry
Paluri Seethal
Kim Seunghwan
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of BR112022009619A2 publication Critical patent/BR112022009619A2/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
    • H04N19/80—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
    • H04N19/10—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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
    • H04N19/10—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

DISPOSITIVO DE CODIFICAÇÃO DE IMAGEM E MÉTODO PARA CONTROLAR FILTRAGEM EM LOOP. De acordo com as modalidades do presente documento, as informações necessárias para controlar a filtragem em loop realizada através dos limites virtuais podem ser sinalizadas de forma eficiente por um dispositivo de codificação. Em um exemplo, pode-se sinalizar as informações relacionadas a se a filtragem em loop está disponível nos limites virtuais.
BR112022009619A 2019-11-18 2020-11-17 Dispositivo de codificação de imagem e método para controlar filtragem em loop BR112022009619A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962937234P 2019-11-18 2019-11-18
PCT/KR2020/016137 WO2021101200A1 (ko) 2019-11-18 2020-11-17 루프 필터링을 제어하기 위한 영상 코딩 장치 및 방법

Publications (1)

Publication Number Publication Date
BR112022009619A2 true BR112022009619A2 (pt) 2022-08-02

Family

ID=75980907

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022009619A BR112022009619A2 (pt) 2019-11-18 2020-11-17 Dispositivo de codificação de imagem e método para controlar filtragem em loop

Country Status (8)

Country Link
US (1) US20220417564A1 (pt)
EP (1) EP4064708A4 (pt)
JP (2) JP7392144B2 (pt)
KR (1) KR20220082059A (pt)
CN (1) CN115023954A (pt)
BR (1) BR112022009619A2 (pt)
MX (1) MX2022005989A (pt)
WO (1) WO2021101200A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2022005993A (es) * 2019-11-18 2022-09-07 Lg Electronics Inc Dispositivo y metodo de codificacion de imagenes para controlar el filtrado en bucle.
AU2020388338B2 (en) * 2019-11-18 2024-04-11 Lg Electronics Inc. Image coding apparatus and method based on signaling of information for filtering
WO2021160176A1 (en) 2020-02-14 2021-08-19 Beijing Bytedance Network Technology Co., Ltd. Use of general constraint flags in video bitstreams

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101567467B1 (ko) * 2011-05-10 2015-11-09 미디어텍 인크. 루프내 필터 버퍼의 감소를 위한 방법 및 장치
US8983218B2 (en) * 2012-04-11 2015-03-17 Texas Instruments Incorporated Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding
WO2015151791A1 (ja) * 2014-03-31 2015-10-08 ソニー株式会社 画像復号装置および方法
KR101809630B1 (ko) * 2015-06-11 2017-12-15 인텔렉추얼디스커버리 주식회사 적응적인 디블록킹 필터링에 관한 부호화/복호화 방법 및 장치
US20170272758A1 (en) * 2016-03-16 2017-09-21 Mediatek Inc. Video encoding method and apparatus using independent partition coding and associated video decoding method and apparatus
JP2018107500A (ja) * 2016-12-22 2018-07-05 キヤノン株式会社 符号化装置、符号化方法及びプログラム、復号装置、復号方法及びプログラム
TWI743514B (zh) 2018-07-09 2021-10-21 弗勞恩霍夫爾協會 用於經編碼圖像多樣化空間劃分之編碼器、解碼器、編碼方法及解碼方法
CN118138754A (zh) 2019-06-14 2024-06-04 北京字节跳动网络技术有限公司 处理视频单元边界和虚拟边界
US11070848B2 (en) 2019-06-24 2021-07-20 Tencent America LLC Method for efficient signaling of virtual boundary for loop filtering control

Also Published As

Publication number Publication date
US20220417564A1 (en) 2022-12-29
JP2023502131A (ja) 2023-01-20
EP4064708A1 (en) 2022-09-28
EP4064708A4 (en) 2023-11-22
KR20220082059A (ko) 2022-06-16
JP2024009121A (ja) 2024-01-19
WO2021101200A1 (ko) 2021-05-27
CN115023954A (zh) 2022-09-06
JP7392144B2 (ja) 2023-12-05
MX2022005989A (es) 2022-09-07

Similar Documents

Publication Publication Date Title
BR112022009619A2 (pt) Dispositivo de codificação de imagem e método para controlar filtragem em loop
GB2518091A (en) Creation and exposure of embedded secondary content data relevant to a primary content page of an electronic book
BR112022009616A2 (pt) Método e dispositivo de codificação de imagem com base em filtragem
SG157275A1 (en) Optically readable marking sheet and reading apparatus and method therefor
MX2018004966A (es) Metodo de asistencia de estacionamiento y dispositivo de asistencia de estacionamiento.
MX364171B (es) Metodo y aparato para enlazar un dispositivo inteligente.
MX2016003877A (es) Metodo de control, dispositivo y aparato para ajustar la funcion de disparo.
MY191533A (en) Queuing system
MX2013003406A (es) Dispositivo de procesamiento de la informacion, metodo de procesamiento de la informacion y programa.
MY159709A (en) A laser marked device
GB2451050A (en) Method, system and computer program product for automatic and semiautomatic modification of digital images of faces
MX344797B (es) Sistemas y metodos para habilitar y deshabilitar la operacion de maquinas manufactureras.
BR112015032258A8 (pt) Método implementado por computador para segurança de operações em sistemas de autenticação e autorização utilizando informações biométricas, sistema de comunicação para segurança de operações em sistemas de autenticação e autorização utilizando informações biométricas, e, produto de programa de computador
GB2538464A (en) Creating restore copy from copy of source data in repository having source data at different point-in-times
NZ716577A (en) Identification assembly for an identity document
BR112022011511A2 (pt) Dispositivo de codificação de imagem e método para controlar filtragem de loop
SG11201810595PA (en) Mobile payment method, device and system
SA515360661B1 (ar) وثيقة هوية تشتمل على خيال صورة على أساس صورة ثنائية الأبعاد
PH12014501692A1 (en) Control method, system and device
MX2022005993A (es) Dispositivo y metodo de codificacion de imagenes para controlar el filtrado en bucle.
BR112016016288A8 (pt) método implementado por computador, meio legível por computador não transitório, e dispositivo de computação relativos a metadados de definição de privacidade para desenvolvedores de aplicativo
MX2017012382A (es) Elemento optico difractivo que incluye dos imagenes seleccionables.
MX2022007900A (es) Aparato y metodo de codificacion de imagenes con base en subimagenes.
BR112016011554A2 (pt) Uso de brometo para minimizar ou prevenir a indução de inanição relacionada ao estresse ou inanição relacionada à ansiedade em um animal durante, ou em conclusão de, uma prática de comercialização ou gestão
MX2022007224A (es) Dispositivo de codificacion de imagenes y metodo para controlar el filtrado en bucle.

Legal Events

Date Code Title Description
B154 Notification of filing of divisional application [chapter 15.50 patent gazette]

Free format text: O PEDIDO FOI DIVIDIDO NO BR122023024026-0 PROTOCOLO 870230101175 EM 16/11/2023 18:23.