TWI795635B - 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

Info

Publication number
TWI795635B
TWI795635B TW109107591A TW109107591A TWI795635B TW I795635 B TWI795635 B TW I795635B TW 109107591 A TW109107591 A TW 109107591A TW 109107591 A TW109107591 A TW 109107591A TW I795635 B TWI795635 B TW I795635B
Authority
TW
Taiwan
Prior art keywords
array
aforementioned
quantization matrix
quantization
prediction residual
Prior art date
Application number
TW109107591A
Other languages
English (en)
Chinese (zh)
Other versions
TW202034700A (zh
Inventor
悟
Original Assignee
日商佳能股份有限公司
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 by 日商佳能股份有限公司 filed Critical 日商佳能股份有限公司
Publication of TW202034700A publication Critical patent/TW202034700A/zh
Application granted granted Critical
Publication of TWI795635B publication Critical patent/TWI795635B/zh

Links

Images

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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/18—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
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/60—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
    • H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/649—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding the transform being applied to non rectangular image segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW109107591A 2019-03-11 2020-03-09 圖像解碼裝置、圖像解碼方法及程式 TWI795635B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-044275 2019-03-11
JP2019044275A JP7267785B2 (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

Publications (2)

Publication Number Publication Date
TW202034700A TW202034700A (zh) 2020-09-16
TWI795635B true TWI795635B (zh) 2023-03-11

Family

ID=72427886

Family Applications (1)

Application Number Title Priority Date Filing Date
TW109107591A TWI795635B (zh) 2019-03-11 2020-03-09 圖像解碼裝置、圖像解碼方法及程式

Country Status (8)

Country Link
US (6) US12075049B2 (enExample)
EP (1) EP3941055A4 (enExample)
JP (2) JP7267785B2 (enExample)
KR (1) KR102787416B1 (enExample)
CN (6) CN117156136A (enExample)
BR (1) BR112021017977A2 (enExample)
TW (1) TWI795635B (enExample)
WO (1) WO2020184223A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3716622A1 (en) * 2017-11-24 2020-09-30 Sony Corporation Image processing device and method
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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109417621A (zh) * 2016-07-04 2019-03-01 索尼公司 图像处理装置及方法

Family Cites Families (42)

* 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
JP5052891B2 (ja) * 2003-08-26 2012-10-17 トムソン ライセンシング ハイブリッド・イントラ・インター符号化ブロックを符号化する方法及び装置
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
US8913666B2 (en) 2010-10-01 2014-12-16 Qualcomm Incorporated Entropy coding 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
JP5874725B2 (ja) 2011-05-20 2016-03-02 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
CN107835411A (zh) 2011-11-08 2018-03-23 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
KR20200023498A (ko) * 2011-12-19 2020-03-04 소니 주식회사 화상 처리 장치 및 방법
EP3855744A1 (en) 2012-01-20 2021-07-28 Electronics and Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
JPWO2013154028A1 (ja) 2012-04-13 2015-12-17 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
EP2894853A4 (en) * 2012-09-06 2016-06-08 Panasonic Ip Corp America BILDCODE PROCESS, PICTURE DECODING METHOD, BILDCODE DEVICE, IMAGE DECODING DEVICE, AND BILDCODE AND DECODER DEVICE
US9253483B2 (en) 2012-09-25 2016-02-02 Google Technology Holdings LLC Signaling of scaling list
US9374578B1 (en) * 2013-05-23 2016-06-21 Google Inc. Video coding using combined inter and intra predictors
AU2013206815A1 (en) * 2013-07-11 2015-03-05 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
SG10201604902PA (en) 2013-07-12 2016-08-30 Sony Corp Image Decoding Device And Method
US9609343B1 (en) * 2013-12-20 2017-03-28 Google Inc. Video coding using compound prediction
US9432696B2 (en) * 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
KR102780333B1 (ko) * 2014-06-19 2025-03-12 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 통합된 인트라 블록 카피 및 인터 예측 모드
AU2014216056A1 (en) * 2014-08-25 2016-03-10 Canon Kabushiki Kaisha Method, apparatus and system for predicting a block of video samples
WO2016103542A1 (ja) * 2014-12-26 2016-06-30 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
AU2015261734A1 (en) * 2015-11-30 2017-06-15 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data according to local luminance intensity
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
WO2018224004A1 (en) * 2017-06-07 2018-12-13 Mediatek Inc. Method and apparatus of intra-inter prediction mode for video coding
JP6889068B2 (ja) 2017-08-29 2021-06-18 美江 永井 女性用ボトム下着
CN107995489A (zh) * 2017-12-20 2018-05-04 北京大学深圳研究生院 一种用于p帧或b帧的帧内帧间组合预测方法
MY206697A (en) * 2018-03-28 2024-12-31 Sony Corp Image processing device and image processing method
JP2022016726A (ja) * 2018-11-16 2022-01-25 ソニーグループ株式会社 画像処理装置および方法
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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109417621A (zh) * 2016-07-04 2019-03-01 索尼公司 图像处理装置及方法

Also Published As

Publication number Publication date
US12075049B2 (en) 2024-08-27
BR112021017977A2 (pt) 2021-11-16
US20240373017A1 (en) 2024-11-07
EP3941055A4 (en) 2022-12-14
US20240373021A1 (en) 2024-11-07
JP2020150339A (ja) 2020-09-17
KR20210125089A (ko) 2021-10-15
KR102787416B1 (ko) 2025-03-27
CN117041577A (zh) 2023-11-10
US20240373018A1 (en) 2024-11-07
CN113557726B (zh) 2023-08-29
US20220060707A1 (en) 2022-02-24
CN117156136A (zh) 2023-12-01
JP2023080359A (ja) 2023-06-08
US20240373019A1 (en) 2024-11-07
JP7497486B2 (ja) 2024-06-10
TW202034700A (zh) 2020-09-16
JP7267785B2 (ja) 2023-05-02
CN117097899A (zh) 2023-11-21
CN117041578A (zh) 2023-11-10
EP3941055A1 (en) 2022-01-19
US20240373020A1 (en) 2024-11-07
CN117156137A (zh) 2023-12-01
WO2020184223A1 (ja) 2020-09-17
CN113557726A (zh) 2021-10-26

Similar Documents

Publication Publication Date Title
TWI849820B (zh) 圖像編碼裝置、圖像編碼方法及程式
TWI795635B (zh) 圖像解碼裝置、圖像解碼方法及程式
JP7651616B2 (ja) 画像復号装置、画像復号方法、及びプログラム
JP2024015184A (ja) 画像復号装置及び方法及びプログラム
WO2021187023A1 (ja) 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
TWI833620B (zh) 圖像編碼裝置、圖像編碼方法、圖像解碼裝置及圖像解碼方法
TWI803709B (zh) 圖像編碼裝置、圖像解碼裝置、其等之控制方法及程式
JP2020010320A (ja) 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム
TW202034699A (zh) 圖像編碼裝置、圖像解碼裝置、圖像編碼方法、圖像解碼方法及程式
JP2020005143A (ja) 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法