BR112022005002A2 - Aparelho de codificação de imagem, aparelho de decodificação de imagem, e métodos de codificação e decodificação para os mesmos - Google Patents

Aparelho de codificação de imagem, aparelho de decodificação de imagem, e métodos de codificação e decodificação para os mesmos

Info

Publication number
BR112022005002A2
BR112022005002A2 BR112022005002A BR112022005002A BR112022005002A2 BR 112022005002 A2 BR112022005002 A2 BR 112022005002A2 BR 112022005002 A BR112022005002 A BR 112022005002A BR 112022005002 A BR112022005002 A BR 112022005002A BR 112022005002 A2 BR112022005002 A2 BR 112022005002A2
Authority
BR
Brazil
Prior art keywords
encoding
encoded
quantization matrix
image
decoding
Prior art date
Application number
BR112022005002A
Other languages
English (en)
Portuguese (pt)
Inventor
Masato Shima
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of BR112022005002A2 publication Critical patent/BR112022005002A2/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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/10—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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 Of Band Width Or Redundancy In Fax (AREA)
BR112022005002A 2019-09-19 2020-08-14 Aparelho de codificação de imagem, aparelho de decodificação de imagem, e métodos de codificação e decodificação para os mesmos BR112022005002A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019170810A JP2021048532A (ja) 2019-09-19 2019-09-19 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム
PCT/JP2020/030904 WO2021054012A1 (ja) 2019-09-19 2020-08-14 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム

Publications (1)

Publication Number Publication Date
BR112022005002A2 true BR112022005002A2 (pt) 2022-06-14

Family

ID=74878795

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022005002A BR112022005002A2 (pt) 2019-09-19 2020-08-14 Aparelho de codificação de imagem, aparelho de decodificação de imagem, e métodos de codificação e decodificação para os mesmos

Country Status (8)

Country Link
US (6) US12137224B2 (https=)
EP (1) EP4033762A4 (https=)
JP (3) JP2021048532A (https=)
KR (1) KR20220058959A (https=)
CN (6) CN118972586A (https=)
BR (1) BR112022005002A2 (https=)
TW (1) TWI856179B (https=)
WO (1) WO2021054012A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021048532A (ja) * 2019-09-19 2021-03-25 キヤノン株式会社 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム
JP2024093502A (ja) * 2022-12-27 2024-07-09 トヨタ自動車株式会社 情報処理装置、及び、方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995007005A1 (fr) * 1993-08-30 1995-03-09 Sony Corporation Dispositif et procede pour le codage d'images
EP1675402A1 (en) * 2004-12-22 2006-06-28 Thomson Licensing Optimisation of a quantisation matrix for image and video coding
US7373009B2 (en) * 2005-02-09 2008-05-13 Lsi Corporation Method and apparatus for efficient transmission and decoding of quantization matrices
JP2012108237A (ja) * 2010-11-16 2012-06-07 Toshiba Mobile Display Co Ltd 表示装置
JP5966932B2 (ja) * 2011-02-10 2016-08-10 ソニー株式会社 画像処理装置、画像処理方法、プログラム及び媒体
WO2012160890A1 (ja) * 2011-05-20 2012-11-29 ソニー株式会社 画像処理装置及び画像処理方法
CN103765887B (zh) * 2011-07-01 2017-04-12 三星电子株式会社 用于使用分层数据单元进行熵编码的方法
JP2013038758A (ja) 2011-07-13 2013-02-21 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
KR20130050149A (ko) * 2011-11-07 2013-05-15 오수미 인터 모드에서의 예측 블록 생성 방법
BR122020017515B1 (pt) * 2012-01-20 2022-11-22 Electronics And Telecommunications Research Institute Método de decodificação de vídeo
BR122021002351B1 (pt) 2012-04-16 2023-03-14 Electronics And Telecommunications Research Institute Método e mídia de gravação não transitória legível por computador para decodificar vídeo
JP6041554B2 (ja) * 2012-06-27 2016-12-07 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US9253483B2 (en) * 2012-09-25 2016-02-02 Google Technology Holdings LLC Signaling of scaling list
JP7235439B2 (ja) 2018-03-29 2023-03-08 株式会社バンダイナムコエンターテインメント ゲームシステム、ゲーム提供方法及びプログラム
CN119967176A (zh) * 2018-12-26 2025-05-09 韩国电子通信研究院 量化矩阵编码/解码方法和装置以及存储比特流的记录介质
CN118524208A (zh) * 2019-06-14 2024-08-20 韩国电子通信研究院 量化矩阵编码/解码方法和装置、以及存储比特流的记录介质
TWI862567B (zh) * 2019-06-21 2024-11-21 法商內數位Ｃｅ專利控股公司 用於視訊編碼及解碼的單一索引量化矩陣設計
JP2021048532A (ja) * 2019-09-19 2021-03-25 キヤノン株式会社 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム

Also Published As

Publication number Publication date
US20250030862A1 (en) 2025-01-23
JP2021048532A (ja) 2021-03-25
TWI856179B (zh) 2024-09-21
US20250030858A1 (en) 2025-01-23
JP2025118987A (ja) 2025-08-13
TW202114423A (zh) 2021-04-01
EP4033762A1 (en) 2022-07-27
CN118972588A (zh) 2024-11-15
CN118972587A (zh) 2024-11-15
US12137224B2 (en) 2024-11-05
KR20220058959A (ko) 2022-05-10
WO2021054012A1 (ja) 2021-03-25
JP7695438B2 (ja) 2025-06-18
CN118972586A (zh) 2024-11-15
US20220210421A1 (en) 2022-06-30
JP7829779B2 (ja) 2026-03-13
CN114424551A (zh) 2022-04-29
EP4033762A4 (en) 2023-08-23
JP2024096938A (ja) 2024-07-17
CN118945353A (zh) 2024-11-12
US20250030860A1 (en) 2025-01-23
US20250030859A1 (en) 2025-01-23
CN114424551B (zh) 2024-09-17
US20250030861A1 (en) 2025-01-23
CN118972585A (zh) 2024-11-15

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