CN119135900A - 图像解码装置、解码方法和存储介质 - Google Patents

图像解码装置、解码方法和存储介质 Download PDF

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Publication number
CN119135900A
CN119135900A CN202411527593.7A CN202411527593A CN119135900A CN 119135900 A CN119135900 A CN 119135900A CN 202411527593 A CN202411527593 A CN 202411527593A CN 119135900 A CN119135900 A CN 119135900A
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China
Prior art keywords
chrominance component
mode
quantization matrix
quantization
unit
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CN202411527593.7A
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English (en)
Chinese (zh)
Inventor
志摩真悟
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Canon Inc
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Canon Inc
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Publication of CN119135900A publication Critical patent/CN119135900A/zh
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/127Prioritisation of hardware or computational resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
CN202411527593.7A 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质 Pending CN119135900A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2019107454A JP7493310B2 (ja) 2019-06-07 2019-06-07 画像復号装置及び方法及びプログラム
JP2019-107454 2019-06-07
PCT/JP2020/015216 WO2020246125A1 (ja) 2019-06-07 2020-04-02 画像符号化装置及び画像復号装置及び方法及びプログラム
CN202080041967.8A CN113994677B (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质

Related Parent Applications (1)

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CN202080041967.8A Division CN113994677B (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质

Publications (1)

Publication Number Publication Date
CN119135900A true CN119135900A (zh) 2024-12-13

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Application Number Title Priority Date Filing Date
CN202080041967.8A Active CN113994677B (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527598.XA Pending CN119135902A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527593.7A Pending CN119135900A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527588.6A Pending CN119135899A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527599.4A Pending CN119135903A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527596.0A Pending CN119135901A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质

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CN202080041967.8A Active CN113994677B (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527598.XA Pending CN119135902A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质

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Application Number Title Priority Date Filing Date
CN202411527588.6A Pending CN119135899A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527599.4A Pending CN119135903A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质
CN202411527596.0A Pending CN119135901A (zh) 2019-06-07 2020-04-02 图像解码装置、解码方法和存储介质

Country Status (8)

Country Link
US (6) US11856198B2 (enExample)
EP (1) EP3982632A4 (enExample)
JP (2) JP7493310B2 (enExample)
KR (1) KR102818232B1 (enExample)
CN (6) CN113994677B (enExample)
BR (1) BR112021024187A2 (enExample)
TW (2) TWI861095B (enExample)
WO (1) WO2020246125A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7772592B2 (ja) * 2019-09-20 2025-11-18 日本放送協会 符号化装置、復号装置、及びプログラム
US12081798B2 (en) * 2019-12-06 2024-09-03 Interdigital Ce Patent Holdings, Sas Scaling process for joint chroma coded blocks
US11641469B2 (en) * 2020-01-13 2023-05-02 Qualcomm Incorporated Signaling scaling matrices in video coding
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients

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US20030215011A1 (en) * 2002-05-17 2003-11-20 General Instrument Corporation Method and apparatus for transcoding compressed video bitstreams
JP5026092B2 (ja) * 2007-01-12 2012-09-12 三菱電機株式会社 動画像復号装置および動画像復号方法
US20110249755A1 (en) * 2008-12-16 2011-10-13 Youji Shibahara Moving image coding method, moving image decoding method, moving image coding apparatus, moving image decoding apparatus, program, and integrated circuit
KR101751559B1 (ko) * 2009-10-30 2017-06-27 선 페이턴트 트러스트 복호방법, 복호장치, 부호화 방법 및 부호화 장치
CN102164284A (zh) * 2010-02-24 2011-08-24 富士通株式会社 视频解码方法和系统
CN101790094B (zh) * 2010-03-19 2013-01-30 山东大学 一种jpeg图像解码器的vlsi系统结构及其实现方法
JP2011259205A (ja) * 2010-06-09 2011-12-22 Sony Corp 画像復号化装置と画像符号化装置およびその方法とプログラム
EP2675161B1 (en) * 2011-02-10 2018-11-14 Velos Media International Limited Image processing device and image processing method
JP2013038758A (ja) * 2011-07-13 2013-02-21 Canon Inc 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
US9031137B2 (en) * 2012-05-03 2015-05-12 Texas Instruments Incorporated Signaling signed band offset values for sample adaptive offset (SAO) filtering in video coding
JP6210368B2 (ja) * 2012-09-18 2017-10-11 サン パテント トラスト 画像復号方法および画像復号装置
US10735729B2 (en) * 2015-12-22 2020-08-04 Realnetworks, Inc. Residual transformation and inverse transformation in video coding systems and methods
WO2018021373A1 (ja) * 2016-07-29 2018-02-01 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
CN107360419B (zh) * 2017-07-18 2019-09-24 成都图必优科技有限公司 一种基于透视模型的运动前视视频帧间预测编码方法
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JP6644865B2 (ja) 2018-12-28 2020-02-12 日本光電工業株式会社 医療用システム
JP2020195013A (ja) 2019-05-24 2020-12-03 シャープ株式会社 画像復号装置および画像符号化装置

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Publication number Publication date
KR102818232B1 (ko) 2025-06-10
CN119135899A (zh) 2024-12-13
US12170774B2 (en) 2024-12-17
US20240089441A1 (en) 2024-03-14
CN119135901A (zh) 2024-12-13
CN119135903A (zh) 2024-12-13
TW202448177A (zh) 2024-12-01
US12170772B2 (en) 2024-12-17
US20240089443A1 (en) 2024-03-14
US12170775B2 (en) 2024-12-17
US11856198B2 (en) 2023-12-26
CN119135902A (zh) 2024-12-13
WO2020246125A1 (ja) 2020-12-10
CN113994677A (zh) 2022-01-28
JP7493310B2 (ja) 2024-05-31
US20240089440A1 (en) 2024-03-14
KR20220011175A (ko) 2022-01-27
US12177442B2 (en) 2024-12-24
TW202101990A (zh) 2021-01-01
US20240089439A1 (en) 2024-03-14
JP7610690B2 (ja) 2025-01-08
US20220094937A1 (en) 2022-03-24
US12170773B2 (en) 2024-12-17
JP2024015184A (ja) 2024-02-01
TWI863883B (zh) 2024-11-21
CN113994677B (zh) 2024-11-08
EP3982632A1 (en) 2022-04-13
TWI861095B (zh) 2024-11-11
JP2020202473A (ja) 2020-12-17
US20240089442A1 (en) 2024-03-14
BR112021024187A2 (pt) 2022-01-11
EP3982632A4 (en) 2023-05-03

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