TWI791959B - 圖像解碼裝置、圖像解碼方法及程式 - Google Patents

圖像解碼裝置、圖像解碼方法及程式 Download PDF

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TWI791959B
TWI791959B TW109107693A TW109107693A TWI791959B TW I791959 B TWI791959 B TW I791959B TW 109107693 A TW109107693 A TW 109107693A TW 109107693 A TW109107693 A TW 109107693A TW I791959 B TWI791959 B TW I791959B
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quantization
aforementioned
array
quantization matrix
block
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TW109107693A
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TW202041015A (zh
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志摩真悟
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日商佳能股份有限公司
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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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW109107693A 2019-03-11 2020-03-09 圖像解碼裝置、圖像解碼方法及程式 TWI791959B (zh)

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JP2019044274A JP2020150338A (ja) 2019-03-11 2019-03-11 画像復号装置、画像復号方法、及びプログラム

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EP (1) EP3941054A4 (enExample)
JP (3) JP2020150338A (enExample)
KR (1) KR102782533B1 (enExample)
CN (6) CN118317083A (enExample)
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020150338A (ja) * 2019-03-11 2020-09-17 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
JP2020150340A (ja) * 2019-03-11 2020-09-17 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
US20250014233A1 (en) * 2023-07-05 2025-01-09 Lemon Inc. Customizing generation of objects using diffusion models

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018008387A1 (ja) * 2016-07-04 2018-01-11 ソニー株式会社 画像処理装置および方法

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294585A (ja) 1985-06-21 1986-12-25 Nec Corp 画像信号の変換符号化方式
JP3403724B2 (ja) * 1990-08-20 2003-05-06 株式会社東芝 画像再生装置及び方法
FR2735258B1 (fr) 1995-06-09 1997-09-05 Sgs Thomson Microelectronics Dispositif de decodage d'un flux de donnees
CN101448162B (zh) * 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
CN100571389C (zh) * 2004-06-29 2009-12-16 奥林巴斯株式会社 用于图像编码/解码和扩展图像压缩解压缩的方法和设备
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
JP4697561B2 (ja) * 2009-05-11 2011-06-08 ソニー株式会社 復号装置及びその方法
KR101885258B1 (ko) 2010-05-14 2018-08-06 삼성전자주식회사 비디오 신호의 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치
US8902988B2 (en) * 2010-10-01 2014-12-02 Qualcomm Incorporated Zero-out of high frequency coefficients and entropy coding retained coefficients using a joint context model
JP5741076B2 (ja) 2010-12-09 2015-07-01 ソニー株式会社 画像処理装置及び画像処理方法
WO2012160890A1 (ja) * 2011-05-20 2012-11-29 ソニー株式会社 画像処理装置及び画像処理方法
JP2013012887A (ja) 2011-06-29 2013-01-17 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
JP2013038768A (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
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
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
CN107071434A (zh) * 2011-11-08 2017-08-18 株式会社Kt 对视频信号进行解码的方法
JP2013146038A (ja) 2011-12-13 2013-07-25 Canon Inc 画像量子化装置、画像量子化方法及びプログラム、画像逆量子化装置、画像逆量子化方法及びプログラム
CA2856348C (en) 2011-12-19 2021-06-08 Sony Corporation Image processing device and method
CN107580230B (zh) 2012-01-20 2021-08-20 韩国电子通信研究院 视频解码方法和视频编码方法
WO2013154028A1 (ja) 2012-04-13 2013-10-17 ソニー株式会社 画像処理装置および方法
JP6041554B2 (ja) 2012-06-27 2016-12-07 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
US9253483B2 (en) 2012-09-25 2016-02-02 Google Technology Holdings LLC Signaling of scaling list
WO2015005367A1 (ja) 2013-07-12 2015-01-15 ソニー株式会社 画像復号装置および方法
US10390034B2 (en) * 2014-01-03 2019-08-20 Microsoft Technology Licensing, Llc Innovations in block vector prediction and estimation of reconstructed sample values within an overlap area
US9432696B2 (en) * 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
JPWO2016103542A1 (ja) 2014-12-26 2017-10-19 パナソニックＩｐマネジメント株式会社 符号化方法、復号方法、符号化装置および復号装置
TWI561060B (en) 2015-01-15 2016-12-01 Mstar Semiconductor Inc Signal processing apparatus and signal processing method including quantization or inverse-quantization process
WO2017173593A1 (en) * 2016-04-06 2017-10-12 Mediatek Singapore Pte. Ltd. Separate coding secondary transform syntax elements for different color components
US10855997B2 (en) * 2017-04-14 2020-12-01 Mediatek Inc. Secondary transform kernel size selection
TW201900939A (zh) 2017-05-09 2019-01-01 日商Ｊｘ金屬股份有限公司 電解銅箔、覆銅積層板、印刷配線板及其製造方法、以及電子機器及其製造方法
CA3094608A1 (en) 2018-03-28 2019-10-03 Sony Corporation Image processing device and image processing method
US11483575B2 (en) * 2018-08-24 2022-10-25 Hfi Innovation Inc. Coding transform coefficients with throughput constraints
JP6694941B2 (ja) 2018-12-10 2020-05-20 Ｄｏｗａメタルテック株式会社 銀めっき材およびその製造方法
JP2020150340A (ja) * 2019-03-11 2020-09-17 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
JP2020150338A (ja) * 2019-03-11 2020-09-17 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
JP7267785B2 (ja) 2019-03-11 2023-05-02 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
CN113950830B (zh) * 2019-06-18 2025-03-18 韩国电子通信研究院 使用次级变换的图像编码/解码方法和装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018008387A1 (ja) * 2016-07-04 2018-01-11 ソニー株式会社 画像処理装置および方法

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CN113557725A (zh) 2021-10-26
CN118368422A (zh) 2024-07-19
EP3941054A1 (en) 2022-01-19
TWI842282B (zh) 2024-05-11
US12289473B2 (en) 2025-04-29
US12262056B2 (en) 2025-03-25
CN118317083A (zh) 2024-07-09
US20240223809A1 (en) 2024-07-04
JP7651616B2 (ja) 2025-03-26
WO2020184227A1 (ja) 2020-09-17
TW202041015A (zh) 2020-11-01
US20240223808A1 (en) 2024-07-04
JP2023113858A (ja) 2023-08-16
CN118317084A (zh) 2024-07-09
US12309426B2 (en) 2025-05-20
US20240214608A1 (en) 2024-06-27
JP2020150338A (ja) 2020-09-17
KR102782533B1 (ko) 2025-03-18
US12341995B2 (en) 2025-06-24
KR20210126121A (ko) 2021-10-19
US20210409771A1 (en) 2021-12-30
BR112021017975A2 (pt) 2021-11-16
JP2025074309A (ja) 2025-05-13
CN118317082A (zh) 2024-07-09
EP3941054A4 (en) 2022-12-21
CN118317081A (zh) 2024-07-09
US20240223810A1 (en) 2024-07-04
US20240214609A1 (en) 2024-06-27
CN113557725B (zh) 2024-04-02
US11962806B2 (en) 2024-04-16
US12341996B2 (en) 2025-06-24
TW202318872A (zh) 2023-05-01

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