JP4210021B2 - 画像信号処理装置および画像信号処理方法 - Google Patents

画像信号処理装置および画像信号処理方法 Download PDF

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Publication number
JP4210021B2
JP4210021B2 JP2000191068A JP2000191068A JP4210021B2 JP 4210021 B2 JP4210021 B2 JP 4210021B2 JP 2000191068 A JP2000191068 A JP 2000191068A JP 2000191068 A JP2000191068 A JP 2000191068A JP 4210021 B2 JP4210021 B2 JP 4210021B2
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Prior art keywords
pixel data
image
threshold value
signal processing
pixel
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JP2000191068A
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Japanese (ja)
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JP2002010108A (ja
JP2002010108A5 (enExample
Inventor
健吉 林
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Fujifilm Corp
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Fujifilm Corp
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Priority to JP2000191068A priority Critical patent/JP4210021B2/ja
Priority to US09/883,217 priority patent/US6882754B2/en
Publication of JP2002010108A publication Critical patent/JP2002010108A/ja
Publication of JP2002010108A5 publication Critical patent/JP2002010108A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
JP2000191068A 2000-06-21 2000-06-21 画像信号処理装置および画像信号処理方法 Expired - Lifetime JP4210021B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000191068A JP4210021B2 (ja) 2000-06-21 2000-06-21 画像信号処理装置および画像信号処理方法
US09/883,217 US6882754B2 (en) 2000-06-21 2001-06-19 Image signal processor with adaptive noise reduction and an image signal processing method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000191068A JP4210021B2 (ja) 2000-06-21 2000-06-21 画像信号処理装置および画像信号処理方法

Publications (3)

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JP2002010108A JP2002010108A (ja) 2002-01-11
JP2002010108A5 JP2002010108A5 (enExample) 2005-11-10
JP4210021B2 true JP4210021B2 (ja) 2009-01-14

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JP2000191068A Expired - Lifetime JP4210021B2 (ja) 2000-06-21 2000-06-21 画像信号処理装置および画像信号処理方法

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US (1) US6882754B2 (enExample)
JP (1) JP4210021B2 (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
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US7050086B2 (en) * 2001-06-26 2006-05-23 Pentax Corporation Electronic endoscope system with color-balance alteration process
JP2003219208A (ja) * 2002-01-18 2003-07-31 Oki Electric Ind Co Ltd 映像雑音低減回路
JP3880862B2 (ja) * 2002-01-29 2007-02-14 富士フイルムホールディングス株式会社 撮像装置
JP3862613B2 (ja) 2002-06-05 2006-12-27 キヤノン株式会社 画像処理装置及び画像処理方法並びにコンピュータプログラム
JP3862621B2 (ja) 2002-06-28 2006-12-27 キヤノン株式会社 画像処理装置、画像処理方法、及びそのプログラム
JP3862620B2 (ja) 2002-06-28 2006-12-27 キヤノン株式会社 画像処理装置、及び画像処理方法
CN101197920A (zh) 2002-07-12 2008-06-11 精工爱普生株式会社 图象数据的输出图象调整
JP3934506B2 (ja) * 2002-08-06 2007-06-20 オリンパス株式会社 撮像システムおよび画像処理プログラム
JP3762725B2 (ja) * 2002-08-22 2006-04-05 オリンパス株式会社 撮像システムおよび画像処理プログラム
KR100510532B1 (ko) * 2003-06-10 2005-08-26 삼성전자주식회사 베이어 패턴 컬러 신호에 대한 적응형 노이즈 제거 필터,이를 구비한 디지털 영상 신호 처리 장치, 및 그 방법
JP4748702B2 (ja) * 2003-06-10 2011-08-17 三星電子株式会社 輝度ノイズフィルタリング方法及び輝度ノイズフィルタリングシステム
JP4164424B2 (ja) * 2003-08-29 2008-10-15 キヤノン株式会社 撮像装置及び方法
JP3965402B2 (ja) 2004-08-23 2007-08-29 富士フイルム株式会社 ノイズ低減装置および方法ならびにノイズ低減プログラム
JP2006060744A (ja) * 2004-08-24 2006-03-02 Matsushita Electric Ind Co Ltd ノイズリダクション装置
JP4822773B2 (ja) * 2004-09-13 2011-11-24 キヤノン株式会社 色ノイズ低減回路及びそれを用いた撮像装置
KR100735561B1 (ko) * 2005-11-02 2007-07-04 삼성전자주식회사 이미지 센서로부터 발생되는 잡음을 저감하는 방법 및 장치
JP4966035B2 (ja) 2007-01-26 2012-07-04 株式会社東芝 固体撮像装置
JP4686496B2 (ja) 2007-03-30 2011-05-25 株式会社東芝 撮像装置
JP4703601B2 (ja) * 2007-04-27 2011-06-15 株式会社東芝 撮像装置
JP4379490B2 (ja) 2007-05-18 2009-12-09 ソニー株式会社 イメージセンサ
JP2008289090A (ja) 2007-05-21 2008-11-27 Toshiba Corp 撮像信号処理装置
KR100976284B1 (ko) 2007-06-07 2010-08-16 가부시끼가이샤 도시바 촬상 장치
TW201035910A (en) * 2009-03-18 2010-10-01 Novatek Microelectronics Corp Method and apparatus for reducing spatial noise of images
JP4868050B2 (ja) * 2009-09-24 2012-02-01 ソニー株式会社 カメラシステム
EP2494783A4 (en) 2009-10-30 2013-04-10 Agency Science Tech & Res METHOD, DEVICES AND COMPUTER READABLE MEDIA FOR PROCESSING A DIGITAL IMAGE
JP2012253667A (ja) * 2011-06-06 2012-12-20 Sony Corp 画像処理装置、画像処理方法、及びプログラム
JP6146574B2 (ja) * 2011-08-22 2017-06-14 日本電気株式会社 ノイズ除去装置、ノイズ除去方法及びプログラム
TWI510076B (zh) * 2011-12-05 2015-11-21 Realtek Semiconductor Corp 影像處理方法及相關的影像處理裝置
CN103945090B (zh) * 2013-01-17 2017-06-30 联咏科技股份有限公司 噪声估测装置及其方法
JP7271492B2 (ja) * 2020-12-11 2023-05-11 シャープ株式会社 画像処理装置、および画像処理方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59123387A (ja) * 1982-12-29 1984-07-17 Canon Inc 撮像装置
US5638119A (en) * 1990-02-16 1997-06-10 Scanera S.C. Device for increasing the dynamic range of a camera
JPH04235472A (ja) 1991-01-09 1992-08-24 Canon Inc 撮像装置
JP3216022B2 (ja) * 1992-09-14 2001-10-09 キヤノン株式会社 撮像装置
US5382976A (en) * 1993-06-30 1995-01-17 Eastman Kodak Company Apparatus and method for adaptively interpolating a full color image utilizing luminance gradients
US5596367A (en) * 1996-02-23 1997-01-21 Eastman Kodak Company Averaging green values for green photosites in electronic cameras
US5828793A (en) * 1996-05-06 1998-10-27 Massachusetts Institute Of Technology Method and apparatus for producing digital images having extended dynamic ranges
US5842059A (en) * 1996-07-22 1998-11-24 Canon Kabushiki Kaisha Automatic focus adjusting device
US6654510B1 (en) * 1998-10-14 2003-11-25 Konica Corporation Image processing method and image processing system
CA2350712C (en) * 1998-11-13 2004-05-25 Flexi-Coil Ltd. Method for color detection in video images

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Publication number Publication date
JP2002010108A (ja) 2002-01-11
US6882754B2 (en) 2005-04-19
US20010055428A1 (en) 2001-12-27

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