BR112020024151A2 - método, aparelho e sistema para codificar e decodificar um bloco transformado de amostras de vídeo - Google Patents

método, aparelho e sistema para codificar e decodificar um bloco transformado de amostras de vídeo Download PDF

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Publication number
BR112020024151A2
BR112020024151A2 BR112020024151-2A BR112020024151A BR112020024151A2 BR 112020024151 A2 BR112020024151 A2 BR 112020024151A2 BR 112020024151 A BR112020024151 A BR 112020024151A BR 112020024151 A2 BR112020024151 A2 BR 112020024151A2
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BR112020024151-2A
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Portuguese (pt)
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Christopher James Rosewarne
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Canon Kabushiki Kaisha
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    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/10—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
    • H04N19/42—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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/90—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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • 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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112020024151-2A 2018-06-29 2019-05-29 método, aparelho e sistema para codificar e decodificar um bloco transformado de amostras de vídeo BR112020024151A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2018204786 2018-06-29
AU2018204786A AU2018204786B2 (en) 2018-06-29 2018-06-29 Method, apparatus and system for encoding and decoding a transformed block of video samples
PCT/AU2019/050534 WO2020000019A1 (en) 2018-06-29 2019-05-29 Method, apparatus and system for encoding and decoding a transformed block of video samples

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BR112020024151A2 true BR112020024151A2 (pt) 2021-03-02

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US (6) US11445191B2 (https=)
EP (1) EP3815362A4 (https=)
JP (2) JP7777922B2 (https=)
KR (1) KR102579286B1 (https=)
CN (6) CN112335241B (https=)
AU (2) AU2018204786B2 (https=)
BR (1) BR112020024151A2 (https=)
RU (2) RU2764258C1 (https=)
TW (1) TWI827616B (https=)
WO (1) WO2020000019A1 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4614445A3 (en) * 2018-12-26 2025-12-03 Panasonic Intellectual Property Corporation of America Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device
KR20250069986A (ko) 2019-01-01 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN113316934B (zh) * 2019-01-25 2024-03-08 寰发股份有限公司 带有变换块级别约束的变换系数编码的方法和设备
TWI737141B (zh) * 2019-01-31 2021-08-21 聯發科技股份有限公司 視訊編碼中用於畫面內分區之轉換類型分配方法和裝置
CN113366845B (zh) 2019-01-31 2024-08-16 寰发股份有限公司 视频编码中结合帧间和帧内预测的方法和装置
CN113365054B (zh) * 2019-03-09 2022-08-05 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码端、编码端和系统
KR102862055B1 (ko) * 2019-03-26 2025-09-19 베이징 시아오미 모바일 소프트웨어 컴퍼니 리미티드 변환에 기반한 영상 코딩 방법 및 그 장치
MX2021012503A (es) * 2019-06-21 2021-11-12 Panasonic Ip Corp America Sistema y metodo de codificacion de video.
WO2021058593A1 (en) * 2019-09-24 2021-04-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding concept for a sequence of information values
WO2021171360A1 (ja) 2020-02-25 2021-09-02 日本電信電話株式会社 符号化方法、符号化装置及びプログラム
WO2022109910A1 (zh) * 2020-11-26 2022-06-02 深圳市大疆创新科技有限公司 视频编码方法、装置、编码器和存储介质
WO2023059056A1 (ko) * 2021-10-05 2023-04-13 엘지전자 주식회사 비분리 1차 변환에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
CN114900703B (zh) * 2022-03-31 2024-07-23 中南大学 一种通用视频编码系统及数据处理方法
WO2024020117A1 (en) * 2022-07-19 2024-01-25 Google Llc Dependent context model for transform types
US12413759B2 (en) * 2023-05-08 2025-09-09 Tencent America LLC Extension to block adaptive weighted prediction
US12112711B1 (en) * 2023-08-23 2024-10-08 Novatek Microelectronics Corp. Processor and pixel degradation compensation method thereof
WO2025065696A1 (zh) * 2023-09-28 2025-04-03 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7471834B2 (en) 2000-07-24 2008-12-30 Vmark, Inc. Rapid production of reduced-size images from compressed video streams
US7760950B2 (en) 2002-09-26 2010-07-20 Ntt Docomo, Inc. Low complexity and unified transforms for video coding
US6900748B2 (en) 2003-07-17 2005-05-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for binarization and arithmetic coding of a data value
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
WO2012134246A2 (ko) 2011-04-01 2012-10-04 엘지전자 주식회사 엔트로피 디코딩 방법 및 이를 이용하는 디코딩 장치
HUE050522T2 (hu) * 2011-06-28 2020-12-28 Samsung Electronics Co Ltd Video kódolási és dekódolási eljárás felhasználva aritmetikai kódolást az utolsó szignifikáns együttható kétdimenziós jelzésével
CN103650510B (zh) 2011-07-15 2018-05-22 谷歌技术控股有限责任公司 用于变换系数级编码的上下文建模技术
US9264706B2 (en) 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
EP2838259A4 (en) * 2012-04-13 2015-12-16 Mitsubishi Electric Corp APPARATUS FOR CODING MOVEMENT PICTURES, DEVICE FOR DECODING MOVEMENT PICTURES, METHOD FOR CREATING MOVEMENT IMAGES AND METHOD FOR DECODING MOVEMENT PICTURES
US9319684B2 (en) 2012-08-21 2016-04-19 Qualcomm Incorporated Alternative transform in scalable video coding
ES2930030T3 (es) * 2014-11-28 2022-12-05 Hfi Innovation Inc Método y aparato de la transformada alternativa para la codificación de video
US9936201B2 (en) 2015-01-27 2018-04-03 Qualcomm Incorporated Contexts for large coding tree units
BR112018007925A2 (pt) 2015-11-06 2018-10-30 Huawei Technologies Co., Ltd. método e aparelho de dequantização de coeficiente de transformada, e dispositivo de decodificação
EP4568242A1 (en) * 2016-05-13 2025-06-11 Sony Group Corporation Image processing apparatus and method
KR20180001485A (ko) * 2016-06-24 2018-01-04 한국전자통신연구원 변환 기반의 영상 부호화/복호화 방법 및 장치
CN117412044A (zh) 2016-07-13 2024-01-16 韩国电子通信研究院 图像编码/解码方法和装置
CN109716767B (zh) * 2016-07-14 2021-09-21 弗劳恩霍夫应用研究促进协会 使用基于变换的残差编码的预测图像编码
US10972733B2 (en) * 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
CN116708776A (zh) * 2016-07-18 2023-09-05 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
US11095893B2 (en) 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
US10986340B2 (en) * 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding

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US12069264B2 (en) 2024-08-20
JP7777922B2 (ja) 2025-12-01
US12058324B2 (en) 2024-08-06
EP3815362A1 (en) 2021-05-05
CN117560512A (zh) 2024-02-13
JP2023179798A (ja) 2023-12-19
RU2764258C1 (ru) 2022-01-14
AU2018204786B2 (en) 2025-05-29
US20220368904A1 (en) 2022-11-17
US20220368905A1 (en) 2022-11-17
US20210203933A1 (en) 2021-07-01
US20220368903A1 (en) 2022-11-17
US20230028567A1 (en) 2023-01-26
CN112335241A (zh) 2021-02-05
US12047574B2 (en) 2024-07-23
WO2020000019A1 (en) 2020-01-02
EP3815362A4 (en) 2022-06-22
RU2021139861A (ru) 2022-02-09
KR20210003238A (ko) 2021-01-11
CN117560513A (zh) 2024-02-13
US12047573B2 (en) 2024-07-23
CN117528121A (zh) 2024-02-06
AU2018204786A1 (en) 2020-01-16
JP2021530124A (ja) 2021-11-04
JP7656006B2 (ja) 2025-04-02
KR102579286B1 (ko) 2023-09-18
US20220368906A1 (en) 2022-11-17
US12047572B2 (en) 2024-07-23
CN112335241B (zh) 2023-10-20
AU2025203432A1 (en) 2025-05-29
CN117544791A (zh) 2024-02-09
US11445191B2 (en) 2022-09-13
TW202002633A (zh) 2020-01-01
TWI827616B (zh) 2024-01-01
CN117544792A (zh) 2024-02-09

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