JP7653915B2 - ビデオ符号化及び復号化の単一インデックス量子化行列設計 - Google Patents

ビデオ符号化及び復号化の単一インデックス量子化行列設計 Download PDF

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JP7653915B2
JP7653915B2 JP2021560100A JP2021560100A JP7653915B2 JP 7653915 B2 JP7653915 B2 JP 7653915B2 JP 2021560100 A JP2021560100 A JP 2021560100A JP 2021560100 A JP2021560100 A JP 2021560100A JP 7653915 B2 JP7653915 B2 JP 7653915B2
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quantization matrix
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matrixid
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ラグランジュ，フィリップ ド
ルレアネック，ファブリス
ネイザー，カラム
フランソワ，エドゥアール
アンドリヴォン，ピエール
チェン，ヤ
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インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/70—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

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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021560100A 2019-06-21 2020-06-16 ビデオ符号化及び復号化の単一インデックス量子化行列設計 Active JP7653915B2 (ja)

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JP2025043021A JP7788023B2 (ja) 2019-06-21 2025-03-18 ビデオ符号化及び復号化の単一インデックス量子化行列設計
JP2025233405A JP2026053380A (ja) 2019-06-21 2025-12-05 ビデオ符号化及び復号化の単一インデックス量子化行列設計

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EP19305802.1 2019-06-21
EP19305802 2019-06-21
EP19305826 2019-06-24
EP19305826.0 2019-06-24
PCT/EP2020/066614 WO2020254317A1 (en) 2019-06-21 2020-06-16 Single-index quantization matrix design for video encoding and decoding

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CN (2) CN119996695A (https=)
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KR102951865B1 (ko) * 2018-12-26 2026-04-14 한국전자통신연구원 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102842111B1 (ko) * 2019-06-24 2025-08-01 엘지전자 주식회사 크로마 성분 부호화 블록의 최대 변환 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN119254985A (zh) 2019-08-14 2025-01-03 交互数字Ce专利控股有限公司 用于视频编码和解码的量化矩阵预测的方法及装置
JP2021048532A (ja) * 2019-09-19 2021-03-25 キヤノン株式会社 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム
US20250350725A1 (en) * 2023-04-23 2025-11-13 Quasistatics Inc. Method and system for energy-efficient approximate digital jpeg and mjpeg-compression
EP4706245A1 (en) * 2023-04-27 2026-03-11 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices on transform coefficient dequantization

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KR20220024716A (ko) 2022-03-03
MX2025013028A (es) 2025-12-01
US20230232003A1 (en) 2023-07-20
JP7788023B2 (ja) 2025-12-17
EP3987786A1 (en) 2022-04-27
CN114026857B (zh) 2025-02-25
JP2026053380A (ja) 2026-03-25
TWI862567B (zh) 2024-11-21
TW202533572A (zh) 2025-08-16
CN114026857A (zh) 2022-02-08
US12170771B2 (en) 2024-12-17
AU2020295684B2 (en) 2025-10-09
AU2020295684A1 (en) 2022-01-27
WO2020254317A1 (en) 2020-12-24
US20250071280A1 (en) 2025-02-27
CN119996695A (zh) 2025-05-13
AU2026200058A1 (en) 2026-01-22
MX2021015582A (es) 2022-01-24
TW202106017A (zh) 2021-02-01
JP2022537090A (ja) 2022-08-24
JP2025094064A (ja) 2025-06-24

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