KR20220106109A - 픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들 - Google Patents

픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들 Download PDF

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KR20220106109A
KR20220106109A KR1020227008624A KR20227008624A KR20220106109A KR 20220106109 A KR20220106109 A KR 20220106109A KR 1020227008624 A KR1020227008624 A KR 1020227008624A KR 20227008624 A KR20227008624 A KR 20227008624A KR 20220106109 A KR20220106109 A KR 20220106109A
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mip
prediction
coding block
unit
samples
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Korean (ko)
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쥔옌 훠
솨이 완
옌줘 마
하이신 왕
푸정 양
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광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
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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
    • H04N19/103—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
    • H04N19/11—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
    • H04N19/13—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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/50—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
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227008624A 2019-12-10 2019-12-10 픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들 Pending KR20220106109A (ko)

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PCT/CN2019/124365 WO2021114102A1 (en) 2019-12-10 2019-12-10 Methods for encoding and decoding pictures and associated apparatus and systems

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KR20220106109A true KR20220106109A (ko) 2022-07-28

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US (9) US11503280B2 (https=)
EP (2) EP4074045B1 (https=)
JP (2) JP2023510441A (https=)
KR (1) KR20220106109A (https=)
CN (8) CN121442099A (https=)
WO (1) WO2021114102A1 (https=)

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BR112021025153A2 (pt) * 2019-06-14 2022-01-25 Ericsson Telefon Ab L M Métodos de intraprevisão associado com um bloco atual, de codificação e de decodificação, aparelho de intraprevisão, codificador, decodificador, produto de programa de computador, e, mídia legível por computador
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
EP4074045B1 (en) * 2019-12-10 2026-04-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus and systems
EP4054193A4 (en) * 2019-12-20 2023-01-25 Sony Group Corporation IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD
WO2023070505A1 (zh) 2021-10-29 2023-05-04 Oppo广东移动通信有限公司 帧内预测方法、解码器、编码器及编解码系统
CA3197294A1 (en) 2022-04-18 2023-10-18 Comcast Cable Communications, Llc Video compression using template-based determination of intra prediction mode
US20260012358A1 (en) * 2024-07-05 2026-01-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Trustworthiness of a video data stream

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KR20130105114A (ko) * 2012-03-16 2013-09-25 주식회사 아이벡스피티홀딩스 인트라 예측 모드에서의 영상 복호화 방법
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
JP6164840B2 (ja) * 2012-12-28 2017-07-19 キヤノン株式会社 符号化装置、符号化方法、及びプログラム
JP5711789B2 (ja) * 2013-07-25 2015-05-07 日本電信電話株式会社 画像符号化方法、画像符号化装置及び画像符号化プログラム
GB2552323B (en) * 2016-07-18 2020-04-29 Imagination Tech Ltd Mip map compression
CN117119186A (zh) * 2017-01-02 2023-11-24 Lx 半导体科技有限公司 图像编码/解码设备以及发送图像数据的设备
KR102511546B1 (ko) * 2017-02-24 2023-03-17 주식회사 케이티 비디오 신호 처리 방법 및 장치
CN117395394A (zh) * 2017-03-22 2024-01-12 韩国电子通信研究院 使用参考块的预测方法和装置
JP6914722B2 (ja) * 2017-05-11 2021-08-04 キヤノン株式会社 動画像符号化装置、動画像符号化方法及びプログラム
EP3764644B1 (en) * 2018-03-31 2024-11-27 Huawei Technologies Co., Ltd. Intra-frame mode prediction method and apparatus for image block
CN114051735B (zh) * 2019-05-31 2024-07-05 北京字节跳动网络技术有限公司 基于矩阵的帧内预测中的一步下采样过程
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EP4074045B1 (en) * 2019-12-10 2026-04-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus and systems

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US20260059098A1 (en) 2026-02-26
US20260059096A1 (en) 2026-02-26
US11503280B2 (en) 2022-11-15
US20260059100A1 (en) 2026-02-26
CN121462768A (zh) 2026-02-03
CN121284247A (zh) 2026-01-06
US12382023B2 (en) 2025-08-05
CN114598890A (zh) 2022-06-07
US11997259B2 (en) 2024-05-28
US20240283914A1 (en) 2024-08-22
CN121284248A (zh) 2026-01-06
EP4074045A4 (en) 2022-10-19
US20230038121A1 (en) 2023-02-09
EP4697703A3 (en) 2026-04-08
CN114598890B (zh) 2025-02-11
US20260059099A1 (en) 2026-02-26
CN119893081A (zh) 2025-04-25
CN114073082A (zh) 2022-02-18
JP2023510441A (ja) 2023-03-14
CN121442099A (zh) 2026-01-30
EP4697703A2 (en) 2026-02-18
US20230053024A1 (en) 2023-02-16
EP4074045A1 (en) 2022-10-19
EP4074045B1 (en) 2026-04-15
CN121284246A (zh) 2026-01-06
US20250330576A1 (en) 2025-10-23
WO2021114102A1 (en) 2021-06-17
US12003704B2 (en) 2024-06-04
JP2025024219A (ja) 2025-02-19
US20220141453A1 (en) 2022-05-05

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