MX2022005993A - Dispositivo y metodo de codificacion de imagenes para controlar el filtrado en bucle. - Google Patents

Dispositivo y metodo de codificacion de imagenes para controlar el filtrado en bucle.

Info

Publication number
MX2022005993A
MX2022005993A MX2022005993A MX2022005993A MX2022005993A MX 2022005993 A MX2022005993 A MX 2022005993A MX 2022005993 A MX2022005993 A MX 2022005993A MX 2022005993 A MX2022005993 A MX 2022005993A MX 2022005993 A MX2022005993 A MX 2022005993A
Authority
MX
Mexico
Prior art keywords
image coding
coding device
loop filtering
controlling loop
present
Prior art date
Application number
MX2022005993A
Other languages
English (en)
Inventor
Seunghwan Kim
Seethal Paluri
Hendry Hendry
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 MX2022005993A publication Critical patent/MX2022005993A/es

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
    • H04N19/70—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
    • H04N19/103—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
    • 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
    • H04N19/176—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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

En un método de decodificación llevado a cabo por un aparato de decodificación de acuerdo con las modalidades del presente documento, si señalización de información relacionada con los límites virtuales está presente en un conjunto de parámetros de secuencia (SPS) o información de encabezado de imagen puede determinarse en función de un indicador de límites virtuales habilitados.
MX2022005993A 2019-11-18 2020-11-17 Dispositivo y metodo de codificacion de imagenes para controlar el filtrado en bucle. MX2022005993A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962937245P 2019-11-18 2019-11-18
PCT/KR2020/016138 WO2021101201A1 (ko) 2019-11-18 2020-11-17 루프 필터링을 제어하는 영상 코딩 장치 및 방법

Publications (1)

Publication Number Publication Date
MX2022005993A true MX2022005993A (es) 2022-09-07

Family

ID=75980018

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022005993A MX2022005993A (es) 2019-11-18 2020-11-17 Dispositivo y metodo de codificacion de imagenes para controlar el filtrado en bucle.

Country Status (6)

Country Link
US (1) US20220400291A1 (es)
JP (2) JP7383816B2 (es)
KR (1) KR20220082058A (es)
CN (1) CN114946190B (es)
MX (1) MX2022005993A (es)
WO (1) WO2021101201A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114946191B (zh) * 2019-11-18 2024-06-14 Lg电子株式会社 基于用于滤波的信息的信令的图像编码设备和方法
EP4088453A4 (en) * 2020-02-14 2023-05-10 Beijing Bytedance Network Technology Co., Ltd. COLOCATED IMAGE INDICATION IN VIDEO BITSTREAMS
WO2023249301A1 (ko) * 2022-06-24 2023-12-28 엘지전자 주식회사 가상 경계를 픽처 경계로 처리하는 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101215152B1 (ko) * 2011-04-21 2012-12-24 한양대학교 산학협력단 인루프 필터링을 적용한 예측 방법을 이용한 영상 부호화/복호화 방법 및 장치
CN103503456B (zh) * 2011-05-10 2017-03-22 联发科技股份有限公司 用于重建视频的环内处理方法及其装置
US20130107973A1 (en) * 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries
US8983218B2 (en) * 2012-04-11 2015-03-17 Texas Instruments Incorporated Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding
WO2014014276A1 (ko) * 2012-07-17 2014-01-23 한국전자통신연구원 인루프 필터링 방법 및 이를 이용하는 장치
US10554968B2 (en) * 2015-06-10 2020-02-04 Lg Electronics Inc. Method and apparatus for inter prediction on basis of virtual reference picture in video coding system
KR101809630B1 (ko) * 2015-06-11 2017-12-15 인텔렉추얼디스커버리 주식회사 적응적인 디블록킹 필터링에 관한 부호화/복호화 방법 및 장치
CN115134607A (zh) * 2015-06-11 2022-09-30 杜比实验室特许公司 使用自适应去块滤波编码和解码图像的方法及其装置
WO2017065357A1 (ko) * 2015-10-16 2017-04-20 엘지전자 주식회사 영상 코딩 시스템에서 예측 향상을 위한 필터링 방법 및 장치
US10560699B2 (en) * 2015-11-13 2020-02-11 Lg Electronics Inc. Method and apparatus for adaptively predicting image using threshold value in image coding system
US10368067B2 (en) * 2016-06-15 2019-07-30 Mediatek Inc. Method and apparatus for selective filtering of cubic-face frames
US11095922B2 (en) * 2016-08-02 2021-08-17 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
US20180054613A1 (en) * 2016-08-22 2018-02-22 Mediatek Inc. Video encoding method and apparatus with in-loop filtering process not applied to reconstructed blocks located at image content discontinuity edge and associated video decoding method and apparatus
US11032545B2 (en) * 2017-06-29 2021-06-08 Qualcomm Incorporated Reducing seam artifacts in 360-degree video
JP7343487B2 (ja) * 2017-09-20 2023-09-12 ヴィド スケール インコーポレイテッド ３６０度ビデオ符号化におけるフェイス不連続の処理
EP3729812A1 (en) * 2017-12-19 2020-10-28 VID SCALE, Inc. Face discontinuity filtering for 360-degree video coding
KR102524628B1 (ko) * 2018-01-05 2023-04-21 에스케이텔레콤 주식회사 영상을 부호화 또는 복호화하는 방법 및 장치
CN117750026A (zh) 2018-07-09 2024-03-22 弗劳恩霍夫应用研究促进协会 用于编码图片的通用空间划分的编码器和解码器、编码方法和解码方法
CN112544078B (zh) * 2018-08-31 2023-03-10 联发科技股份有限公司 用于虚拟边界的环内滤波的方法和设备
US11765349B2 (en) * 2018-08-31 2023-09-19 Mediatek Inc. Method and apparatus of in-loop filtering for virtual boundaries
CN109600611B (zh) * 2018-11-09 2021-07-13 北京达佳互联信息技术有限公司 环路滤波方法、环路滤波装置、电子设备和可读介质
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
CN113940077A (zh) * 2019-06-19 2022-01-14 韩国电子通信研究院 用于视频编码/解码的虚拟边界信令方法和设备
WO2020256522A1 (ko) * 2019-06-20 2020-12-24 한국전자통신연구원 영역 분할을 사용하는 영상 부호화 및 영상 복호화를 위한 방법 및 장치
US11070848B2 (en) 2019-06-24 2021-07-20 Tencent America LLC Method for efficient signaling of virtual boundary for loop filtering control
CN117221540A (zh) * 2019-07-08 2023-12-12 Lg电子株式会社 图像编解码方法、数据发送方法及计算机可读存储介质
WO2021060938A1 (ko) * 2019-09-26 2021-04-01 현대자동차주식회사 360도 비디오 가상 경계의 인루프 필터를 제한하는 방법
KR20230018532A (ko) * 2019-10-09 2023-02-07 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 광 흐름에 의한 예측 개선, 양방향 광 흐름 및 디코더 측 움직임 벡터 개선을 위한 방법들 및 장치들
US11399195B2 (en) * 2019-10-30 2022-07-26 Tencent America LLC Range of minimum coding block size in video coding
US11758193B2 (en) * 2019-11-04 2023-09-12 Hfi Innovation Inc. Signaling high-level information in video and image coding
CN114946191B (zh) * 2019-11-18 2024-06-14 Lg电子株式会社 基于用于滤波的信息的信令的图像编码设备和方法
BR112022009619A2 (pt) * 2019-11-18 2022-08-02 Lg Electronics Inc Dispositivo de codificação de imagem e método para controlar filtragem em loop

Also Published As

Publication number Publication date
CN114946190B (zh) 2024-06-14
JP2023502128A (ja) 2023-01-20
CN114946190A (zh) 2022-08-26
US20220400291A1 (en) 2022-12-15
JP7383816B2 (ja) 2023-11-20
JP2024010186A (ja) 2024-01-23
WO2021101201A1 (ko) 2021-05-27
KR20220082058A (ko) 2022-06-16

Similar Documents

Publication Publication Date Title
MX2022005993A (es) Dispositivo y metodo de codificacion de imagenes para controlar el filtrado en bucle.
MX2018009737A (es) Metodo y dispositivo para codificacion/decodificacion de una unidad de imagen comprendiendo datos de imagen representados por un canal de luminancia y al menos un canal de crominancia.
MX352958B (es) Dispositivo de descodificación y método de descodificación.
MX2021003044A (es) Método y dispositivo de predicción de imagen.
ZA202106161B (en) Encoding and decoding method and device, encoder side apparatus and decoder side apparatus
MX2019004052A (es) Metodo y dispositivo para codificar o decodificar una unidad de codificacion de contorno de imagen.
PH12015500510A1 (en) Sequence level flag for sub-picture level coded picture buffer parameters
MY166340A (en) Reference picture signaling
MY166191A (en) Absolute or explicit reference picture signaling
MX2021003167A (es) Un codificador de video, un decodificador de video y metodos correspondientes.
PH12017501431A1 (en) Method and apparatus for palette predictor initialization for palette coding in video and image compression
SG10201807579YA (en) Information processing apparatus and method
MX349110B (es) Método para codificar video para un entorno de decodificador y dispositivo para el mismo y método para decodificar video con base en el entorno de decodificador y dispositivo para el mismo.
MX2022005988A (es) Dispositivo y metodo de codificacion de imagenes a base de filtrado.
MX2021014221A (es) Se?alizacion de derivacion de diferencia de vector de movimiento.
MX364806B (es) Método y dispositivo para señalizar en una secuencia de bits un formato de imagen/video de una imagen ldr y un formato de imagen/video de una imagen hdr decodificada obtenida a partir de tal imagen ldr y una imagen de iluminación.
MX2021000274A (es) Un metodo y dispositivo para codificacion/decodificacion de la geometria de una nube de puntos.
EP2658257A3 (en) Video image encoding device, video image encoding method, video image decoding device, and video image decoding method
JP2016519501A5 (es)
MX2022005989A (es) Dispositivo de codificacion de imagenes y metodo para controlar el filtrado en bucle.
MX2021007872A (es) Un codificador de video, un decodificador de video y métodos correspondientes.
MX2022007897A (es) Codificacion de imagen o video basada en informacion asociada a la unidad nal.
MX2021015977A (es) Metodo, aparato y dispositivo de codificacion y decodificacion.
MX2022006967A (es) Codificacion de video o imagen empleando filtro de bucle adaptivo.
MX2022007900A (es) Aparato y metodo de codificacion de imagenes con base en subimagenes.