CN114450944A - 编码装置、解码装置及程序 - Google Patents

编码装置、解码装置及程序 Download PDF

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Publication number
CN114450944A
CN114450944A CN202180005448.0A CN202180005448A CN114450944A CN 114450944 A CN114450944 A CN 114450944A CN 202180005448 A CN202180005448 A CN 202180005448A CN 114450944 A CN114450944 A CN 114450944A
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China
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parameter
color difference
adaptive
aps
unit
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CN202180005448.0A
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English (en)
Chinese (zh)
Inventor
岩村俊辅
根本慎平
市谷敦郎
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Japan Broadcasting Corp
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Nippon Hoso Kyokai NHK
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Publication of CN114450944A publication Critical patent/CN114450944A/zh
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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/10—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/13—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
    • H04N19/10—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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)
CN202180005448.0A 2020-04-02 2021-04-01 编码装置、解码装置及程序 Pending CN114450944A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020067047 2020-04-02
JP2020-067047 2020-04-02
PCT/JP2021/014155 WO2021201222A1 (ja) 2020-04-02 2021-04-01 符号化装置、復号装置、及びプログラム

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CN114450944A true CN114450944A (zh) 2022-05-06

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US (2) US12155832B2 (https=)
JP (1) JPWO2021201222A1 (https=)
KR (1) KR20220163342A (https=)
CN (1) CN114450944A (https=)
WO (1) WO2021201222A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115152226A (zh) * 2020-03-26 2022-10-04 交互数字Vc控股法国公司 视频编码中的信令编码参数

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102057680A (zh) * 2008-07-04 2011-05-11 株式会社东芝 运动图像编码/解码方法和装置
CN105979271A (zh) * 2011-02-16 2016-09-28 联发科技股份有限公司 视频编解码系统中共享信息的方法与装置
CN115152226A (zh) * 2020-03-26 2022-10-04 交互数字Vc控股法国公司 视频编码中的信令编码参数

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7166872B2 (ja) 2018-10-25 2022-11-08 株式会社荏原製作所 給水装置
US11582454B2 (en) * 2019-03-25 2023-02-14 Hfi Innovation Inc. Method and apparatus of the quantization matrix computation and representation for video coding
WO2021153475A1 (en) * 2020-01-28 2021-08-05 Sharp Kabushiki Kaisha Systems and methods for signaling picture information in a slice header in video coding
CN115606184B (zh) * 2020-04-01 2026-01-30 抖音视界有限公司 对量化参数增量的信令通知的控制

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102057680A (zh) * 2008-07-04 2011-05-11 株式会社东芝 运动图像编码/解码方法和装置
CN105979271A (zh) * 2011-02-16 2016-09-28 联发科技股份有限公司 视频编解码系统中共享信息的方法与装置
CN115152226A (zh) * 2020-03-26 2022-10-04 交互数字Vc控股法国公司 视频编码中的信令编码参数

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LING LI ET AL.: "Document: JVET-Q0420-v1：AHG12: Signaling of chroma presence in PPS and APS", 《JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 17TH MEETING: BRUSSELS, BE, 7–17JANUARY 2020》, 1 January 2020 (2020-01-01), pages 2 *

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US20220210417A1 (en) 2022-06-30
JPWO2021201222A1 (https=) 2021-10-07
KR20220163342A (ko) 2022-12-09
US20250055998A1 (en) 2025-02-13
US12155832B2 (en) 2024-11-26
WO2021201222A1 (ja) 2021-10-07

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