BR112021025335A2 - Aparelho para decodificar ou codificar um bloco predeterminado de uma imagem com o uso de intraprevisão, métodos e fluxo de dados - Google Patents

Aparelho para decodificar ou codificar um bloco predeterminado de uma imagem com o uso de intraprevisão, métodos e fluxo de dados

Info

Publication number
BR112021025335A2
BR112021025335A2 BR112021025335A BR112021025335A BR112021025335A2 BR 112021025335 A2 BR112021025335 A2 BR 112021025335A2 BR 112021025335 A BR112021025335 A BR 112021025335A BR 112021025335 A BR112021025335 A BR 112021025335A BR 112021025335 A2 BR112021025335 A2 BR 112021025335A2
Authority
BR
Brazil
Prior art keywords
modes
intraprediction
predetermined
predetermined block
intrapredict
Prior art date
Application number
BR112021025335A
Other languages
English (en)
Portuguese (pt)
Inventor
Benjamin Bross
Björn Stallenberger
Detlev Marpe
Heiko Schwarz
Jonathan Pfaff
Martin Winken
Michael Schäfer
Mischa Siekmann
Philipp Helle
Philipp Merkle
Thomas Wiegand
Tobias Hinz
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BR112021025335A2 publication Critical patent/BR112021025335A2/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
    • H04N19/103—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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/46—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
    • H04N19/50—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
    • H04N19/70—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)
BR112021025335A 2019-06-14 2020-06-10 Aparelho para decodificar ou codificar um bloco predeterminado de uma imagem com o uso de intraprevisão, métodos e fluxo de dados BR112021025335A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19180383 2019-06-14
PCT/EP2020/066124 WO2020249633A1 (en) 2019-06-14 2020-06-10 Coding of intra-prediction modes

Publications (1)

Publication Number Publication Date
BR112021025335A2 true BR112021025335A2 (pt) 2022-02-01

Family

ID=66912587

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025335A BR112021025335A2 (pt) 2019-06-14 2020-06-10 Aparelho para decodificar ou codificar um bloco predeterminado de uma imagem com o uso de intraprevisão, métodos e fluxo de dados

Country Status (9)

Country Link
US (2) US12041228B2 (https=)
EP (3) EP4376407B1 (https=)
JP (3) JP7455869B2 (https=)
KR (1) KR20220020339A (https=)
CN (2) CN121217917A (https=)
BR (1) BR112021025335A2 (https=)
MX (2) MX2021015462A (https=)
TW (4) TWI833073B (https=)
WO (1) WO2020249633A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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CN113785566B (zh) 2019-04-27 2024-09-20 数码士有限公司 基于帧内预测处理视频信号的方法和设备
WO2020249633A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding of intra-prediction modes
US11589065B2 (en) * 2019-06-24 2023-02-21 Hyundai Motor Company Method and apparatus for intra-prediction coding of video data
CN112514381A (zh) * 2019-06-25 2021-03-16 Oppo广东移动通信有限公司 图像编解码方法、编码器、解码器以及存储介质
AU2020310350B2 (en) 2019-07-10 2026-02-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image component prediction method, encoder, decoder, and storage medium
WO2021056216A1 (zh) * 2019-09-24 2021-04-01 Oppo广东移动通信有限公司 预测值的确定方法、编码器、解码器以及计算机存储介质
CN112616057B (zh) * 2019-10-04 2024-08-23 Oppo广东移动通信有限公司 图像预测方法、编码器、解码器以及存储介质
US11962784B2 (en) * 2020-09-23 2024-04-16 Ofinno, Llc Intra prediction
WO2026010358A1 (ko) * 2024-07-02 2026-01-08 삼성전자 주식회사 인트라 예측을 이용하여 영상을 부호화 및 복호화하는 장치, 및 방법

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US9866859B2 (en) * 2011-06-14 2018-01-09 Texas Instruments Incorporated Inter-prediction candidate index coding independent of inter-prediction candidate list construction in video coding
US9654785B2 (en) * 2011-06-09 2017-05-16 Qualcomm Incorporated Enhanced intra-prediction mode signaling for video coding using neighboring mode
US20140064359A1 (en) * 2012-08-31 2014-03-06 Qualcomm Incorporated Intra prediction most probable mode order improvement for scalable video coding
US20160373742A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US10425648B2 (en) * 2015-09-29 2019-09-24 Qualcomm Incorporated Video intra-prediction using position-dependent prediction combination for video coding
CN108886617B (zh) * 2016-04-06 2021-08-27 株式会社Kt 用于处理视频信号的方法和设备
US10547854B2 (en) * 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
US20180199062A1 (en) * 2017-01-11 2018-07-12 Qualcomm Incorporated Intra prediction techniques for video coding
US20190089952A1 (en) * 2017-09-19 2019-03-21 Futurewei Technologies, Inc. Bidirectional Weighted Intra Prediction
US11509891B2 (en) * 2018-11-04 2022-11-22 Lg Electronics Inc. Intra prediction method and apparatus in image coding system
KR20210116668A (ko) * 2019-02-21 2021-09-27 엘지전자 주식회사 인트라 예측을 위한 비디오 신호의 처리 방법 및 장치
US11902572B2 (en) * 2019-02-26 2024-02-13 Lg Electronics Inc. Intra prediction-based image coding method and apparatus using unified MPM list
KR20210145754A (ko) * 2019-04-12 2021-12-02 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 행렬 기반 인트라 예측에서의 산출
CN120281904A (zh) * 2019-06-13 2025-07-08 Lg 电子株式会社 图像编码/解码方法以及发送比特流的方法
WO2020249633A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding of intra-prediction modes

Also Published As

Publication number Publication date
TWI892437B (zh) 2025-08-01
TW202549345A (zh) 2025-12-16
JP7455869B2 (ja) 2024-03-26
CN114128269B (zh) 2025-09-23
US20240314305A1 (en) 2024-09-19
TW202143730A (zh) 2021-11-16
EP3984217A1 (en) 2022-04-20
EP4622268A2 (en) 2025-09-24
JP2025106466A (ja) 2025-07-15
TWI727826B (zh) 2021-05-11
EP4376407B1 (en) 2025-08-27
JP2024069438A (ja) 2024-05-21
JP2022536181A (ja) 2022-08-12
MX2025003566A (es) 2025-05-02
JP7665822B2 (ja) 2025-04-21
CN121217917A (zh) 2025-12-26
EP4376407A1 (en) 2024-05-29
CN114128269A (zh) 2022-03-01
EP3984217B1 (en) 2023-12-27
MX2021015462A (es) 2022-03-11
KR20220020339A (ko) 2022-02-18
TWI833073B (zh) 2024-02-21
US20220103813A1 (en) 2022-03-31
TW202423121A (zh) 2024-06-01
WO2020249633A1 (en) 2020-12-17
US12041228B2 (en) 2024-07-16
TW202107893A (zh) 2021-02-16
EP4622268A3 (en) 2025-12-17

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