JPWO2021054380A1 - - Google Patents

Info

Publication number
JPWO2021054380A1
JPWO2021054380A1 JP2021546940A JP2021546940A JPWO2021054380A1 JP WO2021054380 A1 JPWO2021054380 A1 JP WO2021054380A1 JP 2021546940 A JP2021546940 A JP 2021546940A JP 2021546940 A JP2021546940 A JP 2021546940A JP WO2021054380 A1 JPWO2021054380 A1 JP WO2021054380A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2021546940A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021054380A1 publication Critical patent/JPWO2021054380A1/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021546940A 2019-09-20 2020-09-16 Pending JPWO2021054380A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019172329 2019-09-20
PCT/JP2020/035156 WO2021054380A1 (ja) 2019-09-20 2020-09-16 符号化装置、復号装置、及びプログラム

Publications (1)

Publication Number Publication Date
JPWO2021054380A1 true JPWO2021054380A1 (ja) 2021-03-25

Family

ID=74883073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021546940A Pending JPWO2021054380A1 (ja) 2019-09-20 2020-09-16

Country Status (3)

Country Link
US (1) US20220210420A1 (ja)
JP (1) JPWO2021054380A1 (ja)
WO (1) WO2021054380A1 (ja)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487086A (en) * 1991-09-13 1996-01-23 Comsat Corporation Transform vector quantization for adaptive predictive coding
CN100584025C (zh) * 2005-08-04 2010-01-20 华为技术有限公司 一种基于内容自适应的算术解码系统及装置
KR100825752B1 (ko) * 2005-11-21 2008-04-29 한국전자통신연구원 Ｓｖｃ에서 효율적인 비트율 제어 방법 및 장치
US8135062B1 (en) * 2006-01-16 2012-03-13 Maxim Integrated Products, Inc. Method and apparatus for QP modulation based on perceptual models for picture encoding
KR101622691B1 (ko) * 2009-01-08 2016-05-19 엘지전자 주식회사 3차원 캡션 신호 전송 방법 및 3차원 캡션 디스플레이 방법
EP2355511A1 (en) * 2009-12-21 2011-08-10 Alcatel Lucent Method and arrangement for jointly encoding a plurality of video streams
US8929455B2 (en) * 2011-07-01 2015-01-06 Mitsubishi Electric Research Laboratories, Inc. Method for selecting transform types from mapping table for prediction modes
JP6120490B2 (ja) * 2011-11-07 2017-04-26 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US9549182B2 (en) * 2012-07-11 2017-01-17 Qualcomm Incorporated Repositioning of prediction residual blocks in video coding
US9264713B2 (en) * 2012-07-11 2016-02-16 Qualcomm Incorporated Rotation of prediction residual blocks in video coding with transform skipping
US9288507B2 (en) * 2013-06-21 2016-03-15 Qualcomm Incorporated More accurate advanced residual prediction (ARP) for texture coding
US9998742B2 (en) * 2015-01-27 2018-06-12 Qualcomm Incorporated Adaptive cross component residual prediction
US11877021B2 (en) * 2019-12-27 2024-01-16 Nippon Hoso Kyokai Transmitting device and receiving device

Also Published As

Publication number Publication date
US20220210420A1 (en) 2022-06-30
WO2021054380A1 (ja) 2021-03-25

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Legal Events

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Effective date: 20230816