TWI861095B - 圖像編碼裝置、圖像解碼裝置、方法及程式 - Google Patents

圖像編碼裝置、圖像解碼裝置、方法及程式 Download PDF

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TWI861095B
TWI861095B TW109113992A TW109113992A TWI861095B TW I861095 B TWI861095 B TW I861095B TW 109113992 A TW109113992 A TW 109113992A TW 109113992 A TW109113992 A TW 109113992A TW I861095 B TWI861095 B TW I861095B
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color difference
unit
difference component
quantization matrix
quantization
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TW109113992A
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TW202101990A (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
    • H04N19/10—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
    • H04N19/127—Prioritisation of hardware or computational resources
    • 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
    • H04N19/169—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
    • H04N19/10—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

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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)
TW109113992A 2019-06-07 2020-04-27 圖像編碼裝置、圖像解碼裝置、方法及程式 TWI861095B (zh)

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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

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TWI861095B true TWI861095B (zh) 2024-11-11

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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)

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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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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
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WO2013008459A1 (en) * 2011-07-13 2013-01-17 Canon Kabushiki Kaisha Image encoding apparatus, image encoding method, image decoding apparatus, image decoding method, and program
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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
JP2020202473A (ja) 2020-12-17
CN119135900A (zh) 2024-12-13
US20240089442A1 (en) 2024-03-14
BR112021024187A2 (pt) 2022-01-11
EP3982632A4 (en) 2023-05-03

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