JP2023510441A - 画像符号化方法、画像復号化方法、並びに関連装置及びシステム - Google Patents

画像符号化方法、画像復号化方法、並びに関連装置及びシステム Download PDF

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JP2023510441A
JP2023510441A JP2022516441A JP2022516441A JP2023510441A JP 2023510441 A JP2023510441 A JP 2023510441A JP 2022516441 A JP2022516441 A JP 2022516441A JP 2022516441 A JP2022516441 A JP 2022516441A JP 2023510441 A JP2023510441 A JP 2023510441A
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mip
prediction
unit
samples
block
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Japanese (ja)
Inventor
フオ、チュンイェン
ワン、シューアイ
マー、イェンチュオ
ワン、ハイシン
ヤン、フーチョン
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of JP2023510441A publication Critical patent/JP2023510441A/ja
Priority to JP2024204633A priority Critical patent/JP2025024219A/ja
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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)
JP2022516441A 2019-12-10 2019-12-10 画像符号化方法、画像復号化方法、並びに関連装置及びシステム Pending JP2023510441A (ja)

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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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US (9) US11503280B2 (https=)
EP (2) EP4697703A3 (https=)
JP (2) JP2023510441A (https=)
KR (1) KR20220106109A (https=)
CN (8) CN121284246A (https=)
WO (1) WO2021114102A1 (https=)

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CN114009044A (zh) 2019-06-14 2022-02-01 瑞典爱立信有限公司 用于基于矩阵的帧内预测的简化下采样
WO2020251469A1 (en) * 2019-06-14 2020-12-17 Telefonaktiebolaget Lm Ericsson (Publ) Sample value clipping on mip reduced prediction
KR20250136435A (ko) * 2019-06-25 2025-09-16 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
EP4697703A3 (en) * 2019-12-10 2026-04-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus and systems
JPWO2021125317A1 (https=) * 2019-12-20 2021-06-24
CN118160306A (zh) * 2021-10-29 2024-06-07 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
EP4266686A1 (en) 2022-04-18 2023-10-25 Comcast Cable Communications, LLC Video compression using template-based determination of intra prediction mode
AU2025205042A1 (en) * 2024-07-05 2026-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Trustworthiness of a video data stream

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WO2020255769A1 (ja) * 2019-06-19 2020-12-24 ソニー株式会社 画像処理装置及び画像処理方法

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US20230053024A1 (en) 2023-02-16
CN114073082A (zh) 2022-02-18
JP2025024219A (ja) 2025-02-19
KR20220106109A (ko) 2022-07-28
US20260059096A1 (en) 2026-02-26
CN121284248A (zh) 2026-01-06
WO2021114102A1 (en) 2021-06-17
EP4074045A4 (en) 2022-10-19
EP4697703A2 (en) 2026-02-18
EP4074045B1 (en) 2026-04-15
EP4074045A1 (en) 2022-10-19
EP4697703A3 (en) 2026-04-08
CN114598890B (zh) 2025-02-11
US12382023B2 (en) 2025-08-05
US20240283914A1 (en) 2024-08-22
US20260059099A1 (en) 2026-02-26
CN121284247A (zh) 2026-01-06
US20250330576A1 (en) 2025-10-23
US11503280B2 (en) 2022-11-15
US20220141453A1 (en) 2022-05-05
US12003704B2 (en) 2024-06-04
CN119893081A (zh) 2025-04-25
US20260059100A1 (en) 2026-02-26
US11997259B2 (en) 2024-05-28
CN121442099A (zh) 2026-01-30
US20230038121A1 (en) 2023-02-09
CN121284246A (zh) 2026-01-06
CN114598890A (zh) 2022-06-07
CN121462768A (zh) 2026-02-03
US20260059098A1 (en) 2026-02-26

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