BR112022001077A2 - Método e dispositivo de codificação/decodificação de imagem usando filtragem e método para transmitir fluxo de bits - Google Patents

Método e dispositivo de codificação/decodificação de imagem usando filtragem e método para transmitir fluxo de bits

Info

Publication number
BR112022001077A2
BR112022001077A2 BR112022001077A BR112022001077A BR112022001077A2 BR 112022001077 A2 BR112022001077 A2 BR 112022001077A2 BR 112022001077 A BR112022001077 A BR 112022001077A BR 112022001077 A BR112022001077 A BR 112022001077A BR 112022001077 A2 BR112022001077 A2 BR 112022001077A2
Authority
BR
Brazil
Prior art keywords
image encoding
decoding method
filtering
bit stream
transmit bit
Prior art date
Application number
BR112022001077A
Other languages
English (en)
Inventor
Moon Jang Hyeong
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 BR112022001077A2 publication Critical patent/BR112022001077A2/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
    • H04N19/117—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/10—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
    • H04N19/42—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
    • H04N19/436—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 using parallelised computational 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
    • H04N19/85—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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

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

Abstract

método e dispositivo de codificação/decodificação de imagem usando filtragem e método para transmitir fluxo de bits. um método e aparelho de codificação/decodificação de imagem são fornecidos. um método de decodificação de imagem realizado por um aparelho de decodificação de imagem pode compreender derivar um bloco reconstruído para um bloco atual, derivar um limite alvo para o bloco reconstruído, determinar um comprimento de filtro de um filtro de desblocagem a ser aplicado ao limite alvo e aplicar o filtro de desblocagem para o limite alvo com base no comprimento de filtro determinado. o comprimento do filtro pode ser determinado com base em pelo menos uma largura ou altura de um bloco de transformada adjacente ao limite alvo.
BR112022001077A 2019-07-19 2020-07-20 Método e dispositivo de codificação/decodificação de imagem usando filtragem e método para transmitir fluxo de bits BR112022001077A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962875974P 2019-07-19 2019-07-19
PCT/KR2020/009523 WO2021015513A1 (ko) 2019-07-19 2020-07-20 필터링을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
BR112022001077A2 true BR112022001077A2 (pt) 2022-03-15

Family

ID=74194029

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022001077A BR112022001077A2 (pt) 2019-07-19 2020-07-20 Método e dispositivo de codificação/decodificação de imagem usando filtragem e método para transmitir fluxo de bits

Country Status (9)

Country Link
US (3) US11539945B2 (pt)
EP (1) EP4002852A4 (pt)
JP (1) JP2022542855A (pt)
KR (1) KR20220027986A (pt)
CN (1) CN114402598A (pt)
BR (1) BR112022001077A2 (pt)
CA (2) CA3240495A1 (pt)
MX (1) MX2022000820A (pt)
WO (1) WO2021015513A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3139212B1 (fr) * 2022-08-29 2024-10-04 Commissariat Energie Atomique Système et procédé de construction de structures adaptatives de partitionnement de données en flux

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100678958B1 (ko) 2005-07-29 2007-02-06 삼성전자주식회사 인트라 ｂｌ 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더
KR101370287B1 (ko) * 2006-11-22 2014-03-07 세종대학교산학협력단 디블록킹 필터링 방법 및 장치
TWI508534B (zh) 2010-05-18 2015-11-11 Sony Corp Image processing apparatus and image processing method
CN103716632B (zh) * 2010-12-07 2017-04-19 索尼公司 图像处理设备和图像处理方法
US20120230423A1 (en) * 2011-03-10 2012-09-13 Esenlik Semih Line memory reduction for video coding and decoding
LT3661201T (lt) 2011-07-19 2021-04-12 Tagivan Ii Llc Filtravimo būdas, vaizdo dekodavimo būdas, vaizdo kodavimo būdas, vaizdo dekodavimo aparatas, vaizdo kodavimo aparatas ir vaizdo kodavimo/dekodavimo aparatas
CN108989806B (zh) * 2011-09-20 2021-07-27 Lg 电子株式会社 用于编码/解码图像信息的方法和装置
TWI652941B (zh) * 2011-11-03 2019-03-01 太陽專利信託 用於解區塊之有效修整技術（二）
BR122020018114B1 (pt) * 2012-01-17 2023-11-21 Gensquare Llc Método para aplicar um deslocamento de borda
US9832467B2 (en) * 2014-10-07 2017-11-28 Qualcomm Incorporated Deblock filtering for intra block copying
US11240495B2 (en) * 2016-08-21 2022-02-01 Lg Electronics Inc. Image coding/decoding method and apparatus therefor
US20210352291A1 (en) * 2018-01-10 2021-11-11 Telefonaktiebolaget Lm Ericsson (Publ) Determining filter length for deblocking during encoding and/or decoding of video
US11153607B2 (en) * 2018-01-29 2021-10-19 Mediatek Inc. Length-adaptive deblocking filtering in video coding
US10750171B2 (en) * 2018-06-25 2020-08-18 Google Llc Deblocking filtering

Also Published As

Publication number Publication date
US11924419B2 (en) 2024-03-05
CA3148076A1 (en) 2021-01-28
CA3240495A1 (en) 2021-01-28
WO2021015513A1 (ko) 2021-01-28
MX2022000820A (es) 2022-04-06
US11539945B2 (en) 2022-12-27
JP2022542855A (ja) 2022-10-07
EP4002852A1 (en) 2022-05-25
US20230047287A1 (en) 2023-02-16
US20240163430A1 (en) 2024-05-16
CN114402598A (zh) 2022-04-26
US20220201293A1 (en) 2022-06-23
KR20220027986A (ko) 2022-03-08
EP4002852A4 (en) 2023-08-09

Similar Documents

Publication Publication Date Title
ZA202104449B (en) Video encoding and decoding
ZA202202999B (en) Method and device for coding/decoding image using intra prediction
BR112019025629A2 (pt) Intra filtragem aplicada junto com processamento de transformada em codificação de vídeo
BR112016029387A2 (pt) sistemas e métodos para cópia intra-bloco
CL2018002661A1 (es) Determinación de los parámetros de predicción para bloques no cuadrados en codificación de video
IL280611A (en) A method for encoding and decoding traffic information and a device for encoding and decoding traffic information
EP4319162A3 (en) Method and apparatus for processing video signal
SA517382335B1 (ar) استخلاص معلومات الحركة للمقاطع الفرعية في تشفير الفيديو
ZA202301408B (en) Method and apparatus for encoding/decoding image
MX2021011350A (es) Un codificador, un decodificador y metodos correspondientes de intra prediccion.
EP3750318A4 (en) PROCEDURE, APPARATUS AND MEDIUM FOR DECODING AND ENCODING
BR112017016380A2 (pt) recorte para predição entre componentes e transformada de cor adaptativa para codificação de vídeo
SG11202100154PA (en) Method and apparatus for image encoding, and method and apparatus for image decoding
MX2023012285A (es) Metodo y aparato de decodificacion de video y metodo y aparato de codificacion de video.
MX2021005032A (es) Un codificador, un decodificador y metodos correspondientes para modo de fusion.
MX2021005253A (es) Codificacion o decodificacion de video utilizando extension de bloque para compensacion de movimiento de bloque superpuesto.
EP3843403A4 (en) IMAGE CODING METHOD AND APPARATUS, AND IMAGE DECODING METHOD AND APPARATUS
EP3905694A4 (en) PREDICTION IMAGE GENERATING DEVICE, MOVING IMAGE DECODING DEVICE, MOVING IMAGE ENCODING DEVICE AND PREDICTION IMAGE GENERATING METHOD
EP3902261A4 (en) PREDICTION IMAGE GENERATING DEVICE, MOVING IMAGE DECODING DEVICE, MOVING IMAGE CODING METHOD AND PREDICTION IMAGE GENERATING METHOD
SG11202009345QA (en) Video encoding method and apparatus, and video decoding method and apparatus
SG11202006004PA (en) Encoding method and apparatus therefor, and decoding method and apparatus therefor
EP4054192A4 (en) VIDEO DECODING METHOD AND APPARATUS, AND VIDEO CODING METHOD AND APPARATUS FOR PERFORMING INTER PREDICTION ACCORDING TO AN AFFINE MODEL
EP3815378A4 (en) METHOD, DEVICE AND MEDIUM FOR DECODING OR ENCODING
IL279326A (en) An encoding method and device for it, and a decoding method and device for it
BR112022001077A2 (pt) Método e dispositivo de codificação/decodificação de imagem usando filtragem e método para transmitir fluxo de bits

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 BR122023014483-0 PROTOCOLO 870230063195 EM 19/07/2023 13:37.O PEDIDO FOI DIVIDIDO NO BR122023014484-8 PROTOCOLO 870230063206 EM 19/07/2023 13:57.O PEDIDO FOI DIVIDIDO NO BR122023014528-3 PROTOCOLO 870230063364 EM 19/07/2023 17:20.