BR112021019205A2 - Codificador, decodificador e métodos correspondentes que harmonizam predição intra com base em matriz e seleção de núcleo de transformada secundária - Google Patents

Codificador, decodificador e métodos correspondentes que harmonizam predição intra com base em matriz e seleção de núcleo de transformada secundária

Info

Publication number
BR112021019205A2
BR112021019205A2 BR112021019205A BR112021019205A BR112021019205A2 BR 112021019205 A2 BR112021019205 A2 BR 112021019205A2 BR 112021019205 A BR112021019205 A BR 112021019205A BR 112021019205 A BR112021019205 A BR 112021019205A BR 112021019205 A2 BR112021019205 A2 BR 112021019205A2
Authority
BR
Brazil
Prior art keywords
intra prediction
harmonize
secondary transform
decoder
encoder
Prior art date
Application number
BR112021019205A
Other languages
English (en)
Inventor
Meher Kotra Anand
Biao Wang
Han Gao
Jianle Chen
Semih Esenlik
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BR112021019205A2 publication Critical patent/BR112021019205A2/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
    • H04N19/12—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/60—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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/70—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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

codificador, decodificador e métodos correspondentes que harmonizam predição intra com base em matriz e seleção de núcleo de transformada secundária. um método de codificação implementado por um dispositivo de decodificação ou um dispositivo de codificação, que compreende: determinar um modo de predição intra de um bloco atual; e determinar a seleção de uma transformada secundária do bloco atual com base no modo de predição intra determinado para o bloco atual.
BR112021019205A 2019-04-17 2020-04-15 Codificador, decodificador e métodos correspondentes que harmonizam predição intra com base em matriz e seleção de núcleo de transformada secundária BR112021019205A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962835487P 2019-04-17 2019-04-17
PCT/CN2020/084864 WO2020211765A1 (en) 2019-04-17 2020-04-15 An encoder, a decoder and corresponding methods harmonzting matrix-based intra prediction and secoundary transform core selection

Publications (1)

Publication Number Publication Date
BR112021019205A2 true BR112021019205A2 (pt) 2021-11-30

Family

ID=72838040

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021019205A BR112021019205A2 (pt) 2019-04-17 2020-04-15 Codificador, decodificador e métodos correspondentes que harmonizam predição intra com base em matriz e seleção de núcleo de transformada secundária

Country Status (12)

Country Link
US (1) US20220014742A1 (pt)
EP (2) EP3922034B1 (pt)
JP (2) JP7366149B2 (pt)
KR (1) KR20210125088A (pt)
CN (1) CN113632488A (pt)
AU (1) AU2020259542A1 (pt)
BR (1) BR112021019205A2 (pt)
CA (1) CA3132225A1 (pt)
MX (1) MX2021012405A (pt)
NZ (1) NZ779326A (pt)
PL (1) PL3922034T3 (pt)
WO (1) WO2020211765A1 (pt)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116684614A (zh) * 2019-04-16 2023-09-01 Lg电子株式会社 解码设备、编码设备和数据发送设备
CN113853797B (zh) * 2019-04-16 2024-03-22 Lg电子株式会社 使用变换索引的图像编码
JP7256296B2 (ja) * 2019-05-08 2023-04-11 エルジー エレクトロニクス インコーポレイティド Ｍｉｐ及びｌｆｎｓｔを行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
JP7379543B2 (ja) * 2019-06-03 2023-11-14 エルジー エレクトロニクス インコーポレイティド マトリックスに基づくイントラ予測装置及び方法
EP3991406A1 (en) 2019-06-25 2022-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding using matrix based intra-prediction and secondary transforms
US11917136B2 (en) 2021-07-15 2024-02-27 Tencent America LLC Intra mode coding
WO2024007116A1 (zh) * 2022-07-04 2024-01-11 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器
WO2024080623A1 (ko) * 2022-10-12 2024-04-18 삼성전자 주식회사 Ai에 기반한 영상 부호화 장치 및 영상 복호화 장치, 및 이들에 의한 영상의 부호화 및 복호화 방법

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CN100413342C (zh) * 2005-03-09 2008-08-20 浙江大学 用于视频或图像压缩的帧内预测模式编解码的方法和装置
WO2015057033A1 (ko) * 2013-10-18 2015-04-23 엘지전자 주식회사 3d 비디오 부호화/복호화 방법 및 장치
US9877043B2 (en) * 2014-06-19 2018-01-23 Vid Scale Inc. Methods and systems for intra block copy coding with block vector derivation
US10623774B2 (en) * 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
EP3453181A4 (en) * 2016-05-04 2019-05-01 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR ENCODING TRANSFORMED DATA
CN116016910A (zh) * 2016-08-01 2023-04-25 韩国电子通信研究院 图像编码/解码方法
WO2018135885A1 (ko) * 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
BR112021020026A2 (pt) 2019-04-12 2021-12-07 Beijing Bytedance Network Tech Co Ltd Método para processamento vídeo, aparelho para processar de dados de vídeo, meio de armazenamento e meio de gravação legíveis por computador não transitórios
KR20210145757A (ko) 2019-04-16 2021-12-02 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 인트라 코딩 모드에서의 행렬 도출
CN116684614A (zh) 2019-04-16 2023-09-01 Lg电子株式会社 解码设备、编码设备和数据发送设备
AU2020258920B2 (en) 2019-04-16 2023-06-29 Lg Electronics Inc. Transform in intra prediction-based image coding
EP3958561A4 (en) 2019-04-16 2022-08-10 Panasonic Intellectual Property Corporation of America ENCODING DEVICE, DECODING DEVICE, ENCODING METHOD AND DECODING METHOD
CN113853797B (zh) 2019-04-16 2024-03-22 Lg电子株式会社 使用变换索引的图像编码

Also Published As

Publication number Publication date
WO2020211765A1 (en) 2020-10-22
KR20210125088A (ko) 2021-10-15
US20220014742A1 (en) 2022-01-13
CN113632488A (zh) 2021-11-09
JP2023157955A (ja) 2023-10-26
CA3132225A1 (en) 2020-10-22
EP3922034A1 (en) 2021-12-15
JP7366149B2 (ja) 2023-10-20
EP3922034B1 (en) 2024-02-07
EP3922034A4 (en) 2022-08-03
NZ779326A (en) 2024-03-22
JP2022529030A (ja) 2022-06-16
EP4322531A3 (en) 2024-04-10
AU2020259542A1 (en) 2021-09-16
PL3922034T3 (pl) 2024-05-20
MX2021012405A (es) 2021-11-12
EP4322531A2 (en) 2024-02-14

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B154 Notification of filing of divisional application [chapter 15.50 patent gazette]

Free format text: O PEDIDO FOI DIVIDIDO NO BR122023006820-3 PROTOCOLO 870230030619 EM 12/04/2023 14:36.O PEDIDO FOI DIVIDIDO NO BR122023006828-9 PROTOCOLO 870230030641 EM 12/04/2023 15:03.O PEDIDO FOI DIVIDIDO NO BR122023006835-1 PROTOCOLO 870230030670 EM 12/04/2023 15:41.