JP7512021B2 - 画像処理方法及びシステム - Google Patents

画像処理方法及びシステム Download PDF

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Publication number
JP7512021B2
JP7512021B2 JP2019148771A JP2019148771A JP7512021B2 JP 7512021 B2 JP7512021 B2 JP 7512021B2 JP 2019148771 A JP2019148771 A JP 2019148771A JP 2019148771 A JP2019148771 A JP 2019148771A JP 7512021 B2 JP7512021 B2 JP 7512021B2
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Prior art keywords
noise
image data
image
coefficients
applying
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JP2019148771A
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Japanese (ja)
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JP2020058017A5 (https=
JP2020058017A (ja
Inventor
カルステン ビュットナー
ローワン ダグラス ハーベル
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Blackmagic Design Pty Ltd
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Blackmagic Design Pty Ltd
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Priority claimed from AU2018903448A external-priority patent/AU2018903448A0/en
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Publication of JP2020058017A5 publication Critical patent/JP2020058017A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/618—Noise processing, e.g. detecting, correcting, reducing or removing noise for random or high-frequency noise
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/48—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
    • 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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
JP2019148771A 2018-09-13 2019-08-14 画像処理方法及びシステム Active JP7512021B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2018903448 2018-09-13
AU2018903448A AU2018903448A0 (en) 2018-09-13 Image processing method and system

Publications (3)

Publication Number Publication Date
JP2020058017A JP2020058017A (ja) 2020-04-09
JP2020058017A5 JP2020058017A5 (https=) 2022-09-01
JP7512021B2 true JP7512021B2 (ja) 2024-07-08

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JP2019148771A Active JP7512021B2 (ja) 2018-09-13 2019-08-14 画像処理方法及びシステム

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Country Link
US (1) US11153468B2 (https=)
EP (1) EP3624454A1 (https=)
JP (1) JP7512021B2 (https=)
CN (1) CN110896432B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113225566B (zh) * 2021-05-13 2022-04-12 中山大学 基于块分组的jpeg图像自适应可逆信息隐藏方法
CN117115160B (zh) * 2023-10-24 2024-02-02 四川省交通勘察设计研究院有限公司 用于隧道衬砌浇筑质量的检测方法、检测终端及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070092146A1 (en) 2005-10-21 2007-04-26 Mobilygen Corp. System and method for transform coding randomization
JP2007310165A (ja) 2006-05-18 2007-11-29 Sharp Corp 信号処理方法、信号処理装置及びコンピュータプログラム
US20180091773A1 (en) 2016-09-23 2018-03-29 Apple Inc. Feed-forward and feed-back metadata exchange in image processing pipelines to improve image quality

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2582549B2 (ja) * 1986-02-25 1997-02-19 富士写真フイルム株式会社 画像デ−タの直交変換符号化方法
JP4496574B2 (ja) * 1999-11-15 2010-07-07 セイコーエプソン株式会社 画像処理装置、記憶装置、画像処理システムおよび画像処理方法
KR100497398B1 (ko) * 2003-07-16 2005-06-23 삼성전자주식회사 영상 잡음 제거방법 및 장치
KR20110048922A (ko) * 2009-11-03 2011-05-12 삼성전자주식회사 이미지 센서의 통합 노이즈 모델링 방법 및 이를 이용하는 노이즈 저감 방법
WO2014144443A2 (en) * 2013-03-15 2014-09-18 Yale University Techniques for processing imaging data having sensor-dependent noise
WO2018117893A1 (en) * 2016-12-23 2018-06-28 Huawei Technologies Co., Ltd. Mixed domain collaborative post filter for lossy still image coding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070092146A1 (en) 2005-10-21 2007-04-26 Mobilygen Corp. System and method for transform coding randomization
JP2007310165A (ja) 2006-05-18 2007-11-29 Sharp Corp 信号処理方法、信号処理装置及びコンピュータプログラム
US20180091773A1 (en) 2016-09-23 2018-03-29 Apple Inc. Feed-forward and feed-back metadata exchange in image processing pipelines to improve image quality

Also Published As

Publication number Publication date
US11153468B2 (en) 2021-10-19
EP3624454A1 (en) 2020-03-18
CN110896432B (zh) 2024-09-06
CN110896432A (zh) 2020-03-20
JP2020058017A (ja) 2020-04-09
US20200092446A1 (en) 2020-03-19

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