BR112021020634A2 - Dispositivo de codificação, dispositivo de decodificação, método de codificação e método de decodificação - Google Patents

Dispositivo de codificação, dispositivo de decodificação, método de codificação e método de decodificação

Info

Publication number
BR112021020634A2
BR112021020634A2 BR112021020634A BR112021020634A BR112021020634A2 BR 112021020634 A2 BR112021020634 A2 BR 112021020634A2 BR 112021020634 A BR112021020634 A BR 112021020634A BR 112021020634 A BR112021020634 A BR 112021020634A BR 112021020634 A2 BR112021020634 A2 BR 112021020634A2
Authority
BR
Brazil
Prior art keywords
encoding
picture
decoding
pictures
figures
Prior art date
Application number
BR112021020634A
Other languages
English (en)
Portuguese (pt)
Inventor
Kiyofumi Abe
Tadamasa Toma
Takahiro Nishi
Virginie Drugeon
Yusuke Kato
Original Assignee
Panasonic Ip Corp America
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 Panasonic Ip Corp America filed Critical Panasonic Ip Corp America
Priority to BR122021025013-8A priority Critical patent/BR122021025013A2/pt
Priority to BR122021025024-3A priority patent/BR122021025024A2/pt
Priority to BR122021025014-6A priority patent/BR122021025014A2/pt
Priority to BR122021025020-0A priority patent/BR122021025020A2/pt
Publication of BR112021020634A2 publication Critical patent/BR112021020634A2/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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
    • 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
    • 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
    • H04N19/117—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
    • H04N19/119—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
    • H04N19/157—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
    • H04N19/134—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
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display 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
    • H04N19/169—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
    • H04N19/42—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
    • H04N19/423—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 characterised by memory 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021020634A 2019-05-20 2020-05-20 Dispositivo de codificação, dispositivo de decodificação, método de codificação e método de decodificação BR112021020634A2 (pt)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BR122021025013-8A BR122021025013A2 (pt) 2019-05-20 2020-05-20 Método de codificação, método de decodificação e mídia legível por computador não transitória
BR122021025024-3A BR122021025024A2 (pt) 2019-05-20 2020-05-20 Método de codificação, método de decodificação e mídia legível por computador não transitória
BR122021025014-6A BR122021025014A2 (pt) 2019-05-20 2020-05-20 Codificador, decodificador e mídia legível por computador não transitória
BR122021025020-0A BR122021025020A2 (pt) 2019-05-20 2020-05-20 Codificador, decodificador e mídia legível por computador não transitória

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962850053P 2019-05-20 2019-05-20
PCT/JP2020/019894 WO2020235586A1 (ja) 2019-05-20 2020-05-20 符号化装置、復号装置、符号化方法及び復号方法

Publications (1)

Publication Number Publication Date
BR112021020634A2 true BR112021020634A2 (pt) 2022-03-03

Family

ID=73459395

Family Applications (5)

Application Number Title Priority Date Filing Date
BR112021020634A BR112021020634A2 (pt) 2019-05-20 2020-05-20 Dispositivo de codificação, dispositivo de decodificação, método de codificação e método de decodificação
BR122021025020-0A BR122021025020A2 (pt) 2019-05-20 2020-05-20 Codificador, decodificador e mídia legível por computador não transitória
BR122021025013-8A BR122021025013A2 (pt) 2019-05-20 2020-05-20 Método de codificação, método de decodificação e mídia legível por computador não transitória
BR122021025024-3A BR122021025024A2 (pt) 2019-05-20 2020-05-20 Método de codificação, método de decodificação e mídia legível por computador não transitória
BR122021025014-6A BR122021025014A2 (pt) 2019-05-20 2020-05-20 Codificador, decodificador e mídia legível por computador não transitória

Family Applications After (4)

Application Number Title Priority Date Filing Date
BR122021025020-0A BR122021025020A2 (pt) 2019-05-20 2020-05-20 Codificador, decodificador e mídia legível por computador não transitória
BR122021025013-8A BR122021025013A2 (pt) 2019-05-20 2020-05-20 Método de codificação, método de decodificação e mídia legível por computador não transitória
BR122021025024-3A BR122021025024A2 (pt) 2019-05-20 2020-05-20 Método de codificação, método de decodificação e mídia legível por computador não transitória
BR122021025014-6A BR122021025014A2 (pt) 2019-05-20 2020-05-20 Codificador, decodificador e mídia legível por computador não transitória

Country Status (8)

Country Link
US (1) US12101496B2 (https=)
EP (1) EP3975566A4 (https=)
JP (2) JP7453970B2 (https=)
KR (1) KR20220009376A (https=)
CN (5) CN113875257B (https=)
BR (5) BR112021020634A2 (https=)
MX (5) MX2021013287A (https=)
WO (1) WO2020235586A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2021012094A (es) * 2019-04-03 2021-11-03 Huawei Tech Co Ltd Un codificador, un decodificador y metodos correspondientes.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4356033B2 (ja) * 2007-05-17 2009-11-04 ソニー株式会社 画像データ処理装置および方法
CA2718447C (en) * 2009-04-28 2014-10-21 Panasonic Corporation Image decoding method, image coding method, image decoding apparatus, and image coding apparatus
BR112015030508B1 (pt) * 2013-06-12 2023-11-07 Mitsubishi Electric Corporation Dispositivos e métodos de codificação de imagem e de decodificação de imagem
US10187646B2 (en) * 2013-08-22 2019-01-22 Sony Corporation Encoding device, encoding method, transmission device, decoding device, decoding method, and reception device
EP3078195A4 (en) 2013-12-02 2017-08-09 Nokia Technologies OY Video encoding and decoding
US20150264404A1 (en) * 2014-03-17 2015-09-17 Nokia Technologies Oy Method and apparatus for video coding and decoding
US9911460B2 (en) * 2014-03-24 2018-03-06 Microsoft Technology Licensing, Llc Fast and smart video trimming at frame accuracy on generic platform
US10148983B2 (en) 2015-09-25 2018-12-04 Qualcomm Incorporated Methods and systems of improved video stream switching and random access
CN109155863B (zh) * 2016-05-20 2022-09-20 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法及解码方法
WO2018150934A1 (ja) * 2017-02-20 2018-08-23 ソニー株式会社 画像処理装置および方法
MX2021012094A (es) * 2019-04-03 2021-11-03 Huawei Tech Co Ltd Un codificador, un decodificador y metodos correspondientes.

Also Published As

Publication number Publication date
CN113875257B (zh) 2024-07-26
BR122021025024A2 (pt) 2022-03-15
MX2024013825A (es) 2024-12-06
CN118632029A (zh) 2024-09-10
EP3975566A4 (en) 2022-08-03
MX2021013287A (es) 2021-11-17
US12101496B2 (en) 2024-09-24
JP2024063232A (ja) 2024-05-10
BR122021025020A2 (pt) 2022-03-15
BR122021025013A2 (pt) 2022-03-15
EP3975566A1 (en) 2022-03-30
KR20220009376A (ko) 2022-01-24
US20220060729A1 (en) 2022-02-24
MX2024013823A (es) 2024-12-06
CN118646899A (zh) 2024-09-13
JPWO2020235586A1 (https=) 2020-11-26
CN118660170A (zh) 2024-09-17
CN118632030A (zh) 2024-09-10
MX2024013826A (es) 2024-12-06
CN113875257A (zh) 2021-12-31
JP7453970B2 (ja) 2024-03-21
MX2024013824A (es) 2024-12-06
WO2020235586A1 (ja) 2020-11-26
JP7849403B2 (ja) 2026-04-21
BR122021025014A2 (pt) 2022-03-15

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