JP7469866B2 - 符号化装置および符号化方法、復号装置および復号方法 - Google Patents

符号化装置および符号化方法、復号装置および復号方法 Download PDF

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JP7469866B2
JP7469866B2 JP2019201032A JP2019201032A JP7469866B2 JP 7469866 B2 JP7469866 B2 JP 7469866B2 JP 2019201032 A JP2019201032 A JP 2019201032A JP 2019201032 A JP2019201032 A JP 2019201032A JP 7469866 B2 JP7469866 B2 JP 7469866B2
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frequency components
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image data
decoding
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大輔 坂本
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Canon Inc
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Canon Inc
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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
    • H04N19/169—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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP2019201032A 2019-11-05 2019-11-05 符号化装置および符号化方法、復号装置および復号方法 Active JP7469866B2 (ja)

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JP2019201032A JP7469866B2 (ja) 2019-11-05 2019-11-05 符号化装置および符号化方法、復号装置および復号方法
US17/081,370 US20210136394A1 (en) 2019-11-05 2020-10-27 Encoding apparatus and encoding method, and decoding apparatus and decoding method

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JP2019201032A JP7469866B2 (ja) 2019-11-05 2019-11-05 符号化装置および符号化方法、復号装置および復号方法

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JP2021077942A5 JP2021077942A5 (https=) 2022-11-11
JP7469866B2 true JP7469866B2 (ja) 2024-04-17

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US12530584B2 (en) * 2019-12-11 2026-01-20 Korea Electronics Technology Institute Method and apparatus for encoding/decoding deep learning network
KR20220096624A (ko) * 2020-12-31 2022-07-07 엘지디스플레이 주식회사 표시 장치
WO2022230872A1 (ja) 2021-04-30 2022-11-03 バンドー化学株式会社 歯付ベルト
CN117730538A (zh) * 2021-08-06 2024-03-19 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法以及解码方法
CN113920013B (zh) * 2021-10-14 2023-06-16 中国科学院深圳先进技术研究院 一种基于超分辨率的小图像多目标检测方法
CN115100039B (zh) * 2022-06-27 2024-04-12 中南大学 一种基于深度学习的轻量级图像超分辨率重建方法
KR20240131174A (ko) * 2023-02-23 2024-08-30 삼성전자주식회사 이미지 신호 프로세서, 상기 이미지 신호 프로세서의 동작 방법 및 상기 이미지 신호 프로세서를 포함하는 애플리케이션 프로세서
US20240378698A1 (en) * 2023-05-09 2024-11-14 Qualcomm Incorporated Frame enhancement using a diffusion model
US12394018B1 (en) * 2024-04-01 2025-08-19 AtomBeam Technologies Inc. System and methods for low-light image enhancement utilizing denoising preprocessing with wavelet decomposition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050074177A1 (en) 2003-10-03 2005-04-07 Daijiro Ichimura Video coding method
JP2013061650A (ja) 2011-09-12 2013-04-04 Thomson Licensing データの暗号化を選択的にフォーマット維持する方法及び装置

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JPH0690359A (ja) * 1992-09-09 1994-03-29 Nippon Telegr & Teleph Corp <Ntt> 画像信号符号化方式
JP2827997B2 (ja) * 1995-12-28 1998-11-25 日本電気株式会社 画像信号のアダマール変換符号化装置および復号装置
JPH09246982A (ja) * 1996-03-07 1997-09-19 Seiko Epson Corp ウェーブレット変換装置およびその方法並びにウェーブレット逆変換装置およびその方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050074177A1 (en) 2003-10-03 2005-04-07 Daijiro Ichimura Video coding method
JP2005117196A (ja) 2003-10-03 2005-04-28 Matsushita Electric Ind Co Ltd 映像符号化方法
JP2013061650A (ja) 2011-09-12 2013-04-04 Thomson Licensing データの暗号化を選択的にフォーマット維持する方法及び装置

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