WO2008093835A1 - 画像処理方法 - Google Patents

画像処理方法 Download PDF

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Publication number
WO2008093835A1
WO2008093835A1 PCT/JP2008/051651 JP2008051651W WO2008093835A1 WO 2008093835 A1 WO2008093835 A1 WO 2008093835A1 JP 2008051651 W JP2008051651 W JP 2008051651W WO 2008093835 A1 WO2008093835 A1 WO 2008093835A1
Authority
WO
WIPO (PCT)
Prior art keywords
noise component
noise
original image
component
processing method
Prior art date
Application number
PCT/JP2008/051651
Other languages
English (en)
French (fr)
Inventor
Kenichi Ishiga
Original Assignee
Nikon Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikon Corporation filed Critical Nikon Corporation
Priority to JP2008556196A priority Critical patent/JP4862897B2/ja
Publication of WO2008093835A1 publication Critical patent/WO2008093835A1/ja
Priority to US12/458,640 priority patent/US8265412B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20016—Hierarchical, coarse-to-fine, multiscale or multiresolution image processing; Pyramid transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • G06T2207/20028—Bilateral filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20064—Wavelet transform [DWT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

　原画像に含まれるノイズ成分を除去する画像処理方法は、原画像に対して一義的に決まるノイズゆらぎ指標値を使用して、原画像を平滑化し、原画像と平滑化された画像との差分信号に基づいて、ノイズ成分を抽出し、抽出されたノイズ成分の大きさをノイズゆらぎ指標値と再度比較することによって、抽出されたノイズ成分からノイズ成分としての確からしさの低い成分を除外して、実ノイズ成分を抽出し、抽出された実ノイズ成分に基づき、原画像のノイズ除去を行なう。
PCT/JP2008/051651 2007-02-02 2008-02-01 画像処理方法 WO2008093835A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008556196A JP4862897B2 (ja) 2007-02-02 2008-02-01 画像処理方法
US12/458,640 US8265412B2 (en) 2007-02-02 2009-07-17 Image processing method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-024065 2007-02-02
JP2007024065 2007-02-02

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/458,640 Continuation US8265412B2 (en) 2007-02-02 2009-07-17 Image processing method

Publications (1)

Publication Number Publication Date
WO2008093835A1 true WO2008093835A1 (ja) 2008-08-07

Family

ID=39674138

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051651 WO2008093835A1 (ja) 2007-02-02 2008-02-01 画像処理方法

Country Status (3)

Country Link
US (1) US8265412B2 (ja)
JP (1) JP4862897B2 (ja)
WO (1) WO2008093835A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8120679B2 (en) 2008-08-01 2012-02-21 Nikon Corporation Image processing method
CN115586485A (zh) * 2022-09-30 2023-01-10 北京市腾河科技有限公司 信号阶跃值的提取方法及系统、电子设备、存储介质

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* Cited by examiner, † Cited by third party
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WO2006106919A1 (ja) * 2005-03-31 2006-10-12 Nikon Corporation 画像処理方法
JP4881999B2 (ja) * 2006-06-21 2012-02-22 トムソン ライセンシング 自動フィルムグレイン調整
JP4862897B2 (ja) * 2007-02-02 2012-01-25 株式会社ニコン 画像処理方法
KR101525251B1 (ko) * 2008-12-29 2015-06-03 주식회사 동부하이텍 노이즈 필터
JP5882576B2 (ja) * 2010-12-01 2016-03-09 キヤノン株式会社 画像処理装置及び画像処理装置の制御方法、並びにプログラム
CN104794686B (zh) * 2014-01-20 2018-06-12 富士通株式会社 图像平滑方法和图像平滑装置
CN112307434B (zh) * 2020-10-30 2024-02-20 武汉大学 基于高斯滤波的实测流量智能修正方法
CN112579845B (zh) * 2020-12-29 2023-03-31 江西省能源大数据有限公司 工业大数据展示地理信息系统平台
CN113763270B (zh) * 2021-08-30 2024-05-07 青岛信芯微电子科技股份有限公司 蚊式噪声去除方法及电子设备

Citations (2)

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WO2006106919A1 (ja) * 2005-03-31 2006-10-12 Nikon Corporation 画像処理方法
JP2006309749A (ja) * 2005-03-31 2006-11-09 Nikon Corp 画像処理方法

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US6055340A (en) 1997-02-28 2000-04-25 Fuji Photo Film Co., Ltd. Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness
JPH11250246A (ja) 1998-02-27 1999-09-17 Fuji Photo Film Co Ltd 画像処理方法および装置
US6667815B1 (en) 1998-09-30 2003-12-23 Fuji Photo Film Co., Ltd. Method and apparatus for processing images
EP1059811A2 (en) * 1999-06-10 2000-12-13 Fuji Photo Film Co., Ltd. Method and system for image processing, and recording medium
EP1526480A1 (en) * 2000-10-17 2005-04-27 Fuji Photo Film Co., Ltd Apparatus for suppressing noise by adapting filter characteristics to input image signal based on characteristics of input image signal
US20030160800A1 (en) * 2002-02-22 2003-08-28 Agfa-Gevaert Multiscale gradation processing method
JP4441321B2 (ja) * 2004-04-27 2010-03-31 オリンパス株式会社 画像処理装置、画像処理方法及びプログラム
EP1781043B1 (en) 2004-07-07 2013-01-23 Nikon Corporation Image processor and computer program product
WO2006064913A1 (ja) 2004-12-17 2006-06-22 Nikon Corporation 画像処理方法
WO2006068025A1 (ja) 2004-12-20 2006-06-29 Nikon Corporation 画像処理方法
US7889943B1 (en) * 2005-04-18 2011-02-15 Picture Code Method and system for characterizing noise
JP2006310999A (ja) 2005-04-27 2006-11-09 Sony Corp 画像処理装置および方法、並びにプログラム
EP2001220B1 (en) * 2006-03-24 2015-01-14 Nikon Corporation Signal processing method, signal processing system, coefficient generating device, and digital camera
WO2007116543A1 (ja) 2006-03-31 2007-10-18 Nikon Corporation 画像処理方法
JP5163489B2 (ja) 2006-03-31 2013-03-13 株式会社ニコン 画像処理方法、画像処理プログラム、および画像処理装置
US8086067B2 (en) * 2006-12-20 2011-12-27 Silicon Image, Inc. Noise cancellation
US7742652B2 (en) * 2006-12-21 2010-06-22 Sharp Laboratories Of America, Inc. Methods and systems for image noise processing
JP4862897B2 (ja) * 2007-02-02 2012-01-25 株式会社ニコン 画像処理方法

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2006106919A1 (ja) * 2005-03-31 2006-10-12 Nikon Corporation 画像処理方法
JP2006309749A (ja) * 2005-03-31 2006-11-09 Nikon Corp 画像処理方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8120679B2 (en) 2008-08-01 2012-02-21 Nikon Corporation Image processing method
US8339484B2 (en) 2008-08-01 2012-12-25 Nikon Corporation Image processing method
CN115586485A (zh) * 2022-09-30 2023-01-10 北京市腾河科技有限公司 信号阶跃值的提取方法及系统、电子设备、存储介质
CN115586485B (zh) * 2022-09-30 2024-04-09 北京市腾河科技有限公司 信号阶跃值的提取方法及系统、电子设备、存储介质

Also Published As

Publication number Publication date
JPWO2008093835A1 (ja) 2010-05-20
US20090290808A1 (en) 2009-11-26
US8265412B2 (en) 2012-09-11
JP4862897B2 (ja) 2012-01-25

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