TWI800712B - 圖像編碼裝置、圖像編碼方法及程式 - Google Patents

圖像編碼裝置、圖像編碼方法及程式 Download PDF

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TWI800712B
TWI800712B TW109107590A TW109107590A TWI800712B TW I800712 B TWI800712 B TW I800712B TW 109107590 A TW109107590 A TW 109107590A TW 109107590 A TW109107590 A TW 109107590A TW I800712 B TWI800712 B TW I800712B
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aforementioned
quantization
block
array
image
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TW109107590A
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TW202034691A (zh
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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
    • H04N19/124—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
    • H04N19/119—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/177—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 group of pictures [GOP]
    • 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
    • H04N19/44—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109107590A 2019-03-11 2020-03-09 圖像編碼裝置、圖像編碼方法及程式 TWI800712B (zh)

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JP2019044276A JP2020150340A (ja) 2019-03-11 2019-03-11 画像符号化装置、画像符号化方法、及びプログラム
JP2019-044276 2019-03-11

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EP (1) EP3941053B1 (enExample)
JP (3) JP2020150340A (enExample)
KR (1) KR102782659B1 (enExample)
CN (6) CN118158410A (enExample)
ES (1) ES3075635T3 (enExample)
TW (2) TWI800712B (enExample)
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Families Citing this family (7)

* 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
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
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
CN114286096B (zh) * 2020-09-27 2023-02-10 腾讯科技（深圳）有限公司 视频解码方法、装置及设备
EP4124036A4 (en) * 2020-09-27 2023-11-22 Tencent Technology (Shenzhen) Company Limited Video coding/decoding method, apparatus, and device
CN116614624A (zh) * 2023-05-23 2023-08-18 重庆中星微人工智能芯片技术有限公司 视频编码方法及装置、视频解码方法及装置
CN117519887B (zh) * 2023-12-13 2024-03-12 南京云玑信息科技有限公司 一种提升云电脑远程操作体验的方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140126632A1 (en) * 2003-02-21 2014-05-08 Panasonic Corporation Picture coding method and picture decoding method
CN109417621A (zh) * 2016-07-04 2019-03-01 索尼公司 图像处理装置及方法

Family Cites Families (23)

* 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
JP2001136527A (ja) * 1999-11-08 2001-05-18 Matsushita Electric Ind Co Ltd 直交変換画像の解像度変換装置及び方法
CN1843038B (zh) * 2003-08-26 2010-09-22 汤姆森特许公司 用于解码混合内部-相互编码块的方法和装置
JP2009021802A (ja) * 2007-07-11 2009-01-29 Toshiba Corp 動画像符号化装置及び方法
JP4902553B2 (ja) * 2008-01-08 2012-03-21 日本電信電話株式会社 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置、画像符号化プログラム、画像復号プログラムおよびそれらのプログラムを記録したコンピュータ読み取り可能な記録媒体
US8913666B2 (en) * 2010-10-01 2014-12-16 Qualcomm Incorporated Entropy coding coefficients using a joint context model
US9641846B2 (en) * 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding
US9288496B2 (en) * 2010-12-03 2016-03-15 Qualcomm Incorporated Video coding using function-based scan order for transform coefficients
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
CN107920249A (zh) * 2011-11-08 2018-04-17 株式会社Kt 对视频信号进行解码的方法
KR20200023498A (ko) * 2011-12-19 2020-03-04 소니 주식회사 화상 처리 장치 및 방법
JP2015035660A (ja) * 2013-08-07 2015-02-19 株式会社Ｊｖｃケンウッド 画像符号化装置、画像符号化方法、及び画像符号化プログラム
US9432696B2 (en) * 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
WO2018125972A1 (en) * 2016-12-28 2018-07-05 Arris Enterprises Llc Adaptive unequal weight planar prediction
US10855997B2 (en) * 2017-04-14 2020-12-01 Mediatek Inc. Secondary transform kernel size selection
CN116744021A (zh) * 2018-03-28 2023-09-12 索尼公司 图像处理装置和图像处理方法
CN117793381A (zh) * 2019-02-01 2024-03-29 Lg电子株式会社 解码设备、编码设备和发送设备
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
JP7674221B2 (ja) * 2021-10-29 2025-05-09 正典 大坪 噴射対象洗浄用微細気泡発生機構

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140126632A1 (en) * 2003-02-21 2014-05-08 Panasonic Corporation Picture coding method and picture decoding method
CN109417621A (zh) * 2016-07-04 2019-03-01 索尼公司 图像处理装置及方法

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US20240259601A1 (en) 2024-08-01
US12425650B2 (en) 2025-09-23
TWI849820B (zh) 2024-07-21
CN118158409A (zh) 2024-06-07
JP7651615B2 (ja) 2025-03-26
CN118158411A (zh) 2024-06-07
US12425651B2 (en) 2025-09-23
JP2023105156A (ja) 2023-07-28
EP3941053A4 (en) 2022-12-21
US12464165B2 (en) 2025-11-04
CN113574881A (zh) 2021-10-29
WO2020184229A1 (ja) 2020-09-17
ES3075635T3 (en) 2026-08-06
US12425653B2 (en) 2025-09-23
EP3941053A1 (en) 2022-01-19
EP3941053C0 (en) 2026-07-08
JP7819381B2 (ja) 2026-02-24
US20240259599A1 (en) 2024-08-01
EP3941053B1 (en) 2026-07-08
US12425652B2 (en) 2025-09-23
CN118158410A (zh) 2024-06-07
US20240259600A1 (en) 2024-08-01
CN118158408A (zh) 2024-06-07
US20240267562A1 (en) 2024-08-08
TW202034691A (zh) 2020-09-16
US20210409772A1 (en) 2021-12-30
JP2025074308A (ja) 2025-05-13
KR20210125095A (ko) 2021-10-15
JP2020150340A (ja) 2020-09-17
CN118158412A (zh) 2024-06-07
US11985352B2 (en) 2024-05-14
CN113574881B (zh) 2024-03-19
TW202332273A (zh) 2023-08-01
KR102782659B1 (ko) 2025-03-19
US20240259602A1 (en) 2024-08-01

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