JP7514236B2 - ビデオ符号化及び復号 - Google Patents

ビデオ符号化及び復号 Download PDF

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JP7514236B2
JP7514236B2 JP2021528449A JP2021528449A JP7514236B2 JP 7514236 B2 JP7514236 B2 JP 7514236B2 JP 2021528449 A JP2021528449 A JP 2021528449A JP 2021528449 A JP2021528449 A JP 2021528449A JP 7514236 B2 JP7514236 B2 JP 7514236B2
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merge
index
mode
predictor
affine
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JP2022511744A (ja
JP2022511744A5 (enExample
Inventor
ギローム ラロシュ，
クリストフ ジスケ，
パトリス オンノ，
ジョナサン タケ，
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Canon Inc
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Canon Inc
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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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/169—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
    • 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
    • H04N19/90—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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
JP2021528449A 2018-12-20 2019-11-19 ビデオ符号化及び復号 Active JP7514236B2 (ja)

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JP2024102219A JP7720959B2 (ja) 2018-12-20 2024-06-25 ビデオ符号化及び復号
JP2025124997A JP2025160338A (ja) 2018-12-20 2025-07-25 ビデオ符号化及び復号

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1820902.3A GB2580084B (en) 2018-12-20 2018-12-20 Video coding and decoding
GB1820902.3 2018-12-20
PCT/EP2019/081827 WO2020126262A1 (en) 2018-12-20 2019-11-19 Encoding and decoding information about a motion information predictor

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JP2022511744A JP2022511744A (ja) 2022-02-01
JP2022511744A5 JP2022511744A5 (enExample) 2022-11-25
JP7514236B2 true JP7514236B2 (ja) 2024-07-10

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US (6) US11856186B2 (enExample)
EP (1) EP3900352A1 (enExample)
JP (3) JP7514236B2 (enExample)
KR (2) KR20210099133A (enExample)
CN (6) CN118200595A (enExample)
GB (1) GB2580084B (enExample)
TW (2) TWI860599B (enExample)
WO (1) WO2020126262A1 (enExample)

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KR20210118068A (ko) * 2018-12-29 2021-09-29 브이아이디 스케일, 인크. 히스토리 기반 모션 벡터 예측
CN119676432A (zh) * 2019-02-28 2025-03-21 苹果公司 用于对图像信号进行编码/解码的方法及其装置
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CN112135149B (zh) * 2019-06-24 2023-07-18 华为技术有限公司 语法元素的熵编码/解码方法、装置以及编解码器
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GB2580084A (en) 2020-07-15
JP2024123204A (ja) 2024-09-10
CN118200596A (zh) 2024-06-14
JP7720959B2 (ja) 2025-08-08
US20220070439A1 (en) 2022-03-03
WO2020126262A1 (en) 2020-06-25
US20250337881A1 (en) 2025-10-30
CN118200593A (zh) 2024-06-14
US20250310515A1 (en) 2025-10-02
US20250337882A1 (en) 2025-10-30
US11856186B2 (en) 2023-12-26
JP2022511744A (ja) 2022-02-01
TW202038623A (zh) 2020-10-16
US20240107008A1 (en) 2024-03-28
KR20210099133A (ko) 2021-08-11
CN113196769B (zh) 2024-03-26
CN118200594A (zh) 2024-06-14
CN113196769A (zh) 2021-07-30
US12363283B2 (en) 2025-07-15
TWI790409B (zh) 2023-01-21
TW202318873A (zh) 2023-05-01
KR20260041914A (ko) 2026-03-27
CN118233650A (zh) 2024-06-21
EP3900352A1 (en) 2021-10-27
JP2025160338A (ja) 2025-10-22
TWI860599B (zh) 2024-11-01
GB201820902D0 (en) 2019-02-06
CN118200595A (zh) 2024-06-14
US20250310516A1 (en) 2025-10-02
GB2580084B (en) 2022-12-28

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