JP2023504332A - 符号化ツリーユニットを符号化および復号化するための方法、装置およびシステム - Google Patents

符号化ツリーユニットを符号化および復号化するための方法、装置およびシステム Download PDF

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JP2023504332A
JP2023504332A JP2022508943A JP2022508943A JP2023504332A JP 2023504332 A JP2023504332 A JP 2023504332A JP 2022508943 A JP2022508943 A JP 2022508943A JP 2022508943 A JP2022508943 A JP 2022508943A JP 2023504332 A JP2023504332 A JP 2023504332A
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transform
block
chroma
luma
decoding
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クリストファー ジェームズ ロゼワーン，
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Canon Inc
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Canon Inc
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Priority to JP2023207167A priority Critical patent/JP7712997B2/ja
Priority to JP2025116026A priority patent/JP2025157333A/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
    • H04N19/134—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
    • 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
    • H04N19/10—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • 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
    • 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
    • H04N19/96—Tree coding, e.g. quad-tree coding
    • 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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP2022508943A 2019-12-03 2020-11-04 符号化ツリーユニットを符号化および復号化するための方法、装置およびシステム Ceased JP2023504332A (ja)

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JP2023207167A JP7712997B2 (ja) 2019-12-03 2023-12-07 符号化ユニットを復号および符号化する方法、装置およびプログラム
JP2025116026A JP2025157333A (ja) 2019-12-03 2025-07-09 符号化ユニットを復号および符号化する方法、装置およびプログラム

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AU2019275553A AU2019275553B2 (en) 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit
AU2019275553 2019-12-03
PCT/AU2020/051201 WO2021108834A1 (en) 2019-12-03 2020-11-04 Method, apparatus and system for encoding and decoding a coding tree unit

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JP2025116026A Pending JP2025157333A (ja) 2019-12-03 2025-07-09 符号化ユニットを復号および符号化する方法、装置およびプログラム

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US (2) US12075058B2 (enExample)
JP (3) JP2023504332A (enExample)
CN (4) CN114641995A (enExample)
AU (2) AU2019275553B2 (enExample)
TW (1) TWI821610B (enExample)
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EP4060993A4 (en) * 2019-11-11 2023-12-13 LG Electronics Inc. TRANSFORM-BASED IMAGE CODING METHOD AND ASSOCIATED DEVICE
CN114930848B (zh) * 2019-11-13 2025-08-05 Lg电子株式会社 基于变换的图像编码方法及其设备
CN114762327B (zh) * 2019-12-12 2025-06-17 索尼集团公司 图像处理装置和方法
WO2021137556A1 (ko) * 2019-12-29 2021-07-08 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US12316848B2 (en) * 2020-01-10 2025-05-27 Lg Electronics Inc. Image coding method based on transform, and device therefor
US20220150518A1 (en) * 2020-11-11 2022-05-12 Tencent America LLC Method and apparatus for video coding
US11991360B2 (en) * 2021-08-30 2024-05-21 Tencent America LLC Method and apparatus for secondary transform with adaptive kernel options
US11930177B2 (en) 2021-10-29 2024-03-12 Tencent America LLC Primary transforms for cross-component level reconstruction
CN118338006A (zh) * 2023-01-11 2024-07-12 维沃移动通信有限公司 变换系数编码方法、变换系数解码方法及终端
CN121002860A (zh) * 2023-04-28 2025-11-21 联发科技股份有限公司 熵编解码变换块

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KR102397673B1 (ko) * 2016-05-13 2022-05-16 소니그룹주식회사 화상 처리 장치 및 방법
CA3288654A1 (en) * 2017-01-03 2025-11-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image processing method and apparatus therefor
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AU2022228209B2 (en) 2024-08-15
JP2025157333A (ja) 2025-10-15
JP7712997B2 (ja) 2025-07-24
TW202139695A (zh) 2021-10-16
AU2019275553A1 (en) 2021-06-17
AU2022228209A1 (en) 2022-10-06
WO2021108834A1 (en) 2021-06-10
JP2024026317A (ja) 2024-02-28
AU2019275553B2 (en) 2022-10-06
CN118573881A (zh) 2024-08-30
US20240373028A1 (en) 2024-11-07
US20230037302A1 (en) 2023-02-09
TWI821610B (zh) 2023-11-11
US12075058B2 (en) 2024-08-27
CN114641995A (zh) 2022-06-17
CN118573880A (zh) 2024-08-30
CN118573879A (zh) 2024-08-30

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