TWI832003B - 影像編碼裝置、影像編碼方法、及程式、影像解碼裝置、影像解碼方法、及電腦可讀記憶媒體 - Google Patents

影像編碼裝置、影像編碼方法、及程式、影像解碼裝置、影像解碼方法、及電腦可讀記憶媒體 Download PDF

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TWI832003B
TWI832003B TW109131821A TW109131821A TWI832003B TW I832003 B TWI832003 B TW I832003B TW 109131821 A TW109131821 A TW 109131821A TW 109131821 A TW109131821 A TW 109131821A TW I832003 B TWI832003 B TW I832003B
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TW202114427A (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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/134—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/12—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
    • H04N19/169—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
    • 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
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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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)
TW109131821A 2019-09-17 2020-09-16 影像編碼裝置、影像編碼方法、及程式、影像解碼裝置、影像解碼方法、及電腦可讀記憶媒體 TWI832003B (zh)

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JP2019168859A JP7358136B2 (ja) 2019-09-17 2019-09-17 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

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TW113100992A TWI860228B (zh) 2019-09-17 2020-09-16 影像編碼裝置、影像解碼裝置、影像編碼方法、影像解碼方法、及程式

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EP (1) EP4033761A4 (enExample)
JP (3) JP7358136B2 (enExample)
KR (1) KR20220055495A (enExample)
CN (7) CN119316598A (enExample)
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CN116527927B (zh) * 2021-11-11 2025-01-24 杭州海康威视数字技术股份有限公司 一种图像的解码方法、编码方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040179596A1 (en) * 2003-02-24 2004-09-16 Samsung Electronics Co., Ltd. Method and apparatus for encoding video signal with variable bit rate
US20170085891A1 (en) * 2015-09-18 2017-03-23 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2638743C1 (ru) 2012-04-13 2017-12-15 Мицубиси Электрик Корпорейшн Устройство кодирования изображений, устройство декодирования изображений, способ кодирования изображений и способ декодирования изображений
US20130294524A1 (en) * 2012-05-04 2013-11-07 Qualcomm Incorporated Transform skipping and lossless coding unification
GB2503875B (en) 2012-06-29 2015-06-10 Canon Kk Method and device for encoding or decoding an image
WO2015012600A1 (ko) 2013-07-23 2015-01-29 성균관대학교 산학협력단 영상 부호화/복호화 방법 및 장치
EP3054683A4 (en) 2013-09-30 2017-06-07 Nippon Hoso Kyokai Image coding device, image decoding device, and programs therefor
US10362333B2 (en) * 2014-01-02 2019-07-23 Qualcomm Incorporated Color index coding for palette-based video coding
US9596479B2 (en) * 2014-10-07 2017-03-14 Hfi Innovation Inc. Method of pulse-code modulation and palette coding for video coding
JP6532222B2 (ja) * 2014-11-28 2019-06-19 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
US10425659B2 (en) * 2015-01-30 2019-09-24 Qualcomm Incorporated Coding escape pixels for palette coding
JP6272441B2 (ja) 2016-11-08 2018-01-31 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
WO2019003676A1 (ja) 2017-06-29 2019-01-03 ソニー株式会社 画像処理装置と画像処理方法およびプログラム
JP6962842B2 (ja) 2018-03-22 2021-11-05 Kddi株式会社 管理装置、管理方法及び管理プログラム
US11218700B2 (en) * 2019-07-01 2022-01-04 Qualcomm Incorporated Minimum allowed quantization parameter for transform skip mode and palette mode in video coding
KR20220029088A (ko) * 2020-09-01 2022-03-08 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 그룹 기반 어플리케이션 설정

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040179596A1 (en) * 2003-02-24 2004-09-16 Samsung Electronics Co., Ltd. Method and apparatus for encoding video signal with variable bit rate
US20170085891A1 (en) * 2015-09-18 2017-03-23 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
網路文獻 Takeshi Tsukuba "CE8: Chroma Transform Skip (CE8-3.2)" Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 July 3-12, 2019 *

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JP2021048458A (ja) 2021-03-25
US20240372991A1 (en) 2024-11-07
US20220201287A1 (en) 2022-06-23
TW202418806A (zh) 2024-05-01
CN114424550A (zh) 2022-04-29
CN119277074A (zh) 2025-01-07
JP2023164602A (ja) 2023-11-10
CN119299694A (zh) 2025-01-10
JP7358136B2 (ja) 2023-10-10
TW202114427A (zh) 2021-04-01
JP2024103821A (ja) 2024-08-01
US12101466B2 (en) 2024-09-24
CN119277073A (zh) 2025-01-07
EP4033761A4 (en) 2023-08-23
US12464119B2 (en) 2025-11-04
CN119277072A (zh) 2025-01-07
JP7508676B2 (ja) 2024-07-01
KR20220055495A (ko) 2022-05-03
CN119277075A (zh) 2025-01-07
TWI860228B (zh) 2024-10-21
WO2021054011A1 (ja) 2021-03-25
EP4033761A1 (en) 2022-07-27
CN119316598A (zh) 2025-01-14
JP7665838B2 (ja) 2025-04-21
CN114424550B (zh) 2024-11-12

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