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WO2008093836A1 - 画像処理方法 - Google Patents

画像処理方法 Download PDF

Info

Publication number
WO2008093836A1
WO2008093836A1 PCT/JP2008/051652 JP2008051652W WO2008093836A1 WO 2008093836 A1 WO2008093836 A1 WO 2008093836A1 JP 2008051652 W JP2008051652 W JP 2008051652W WO 2008093836 A1 WO2008093836 A1 WO 2008093836A1
Authority
WO
WIPO (PCT)
Prior art keywords
noise
component
image
temporarily
processing method
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2008/051652
Other languages
English (en)
French (fr)
Inventor
Kenichi Ishiga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
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 Corp filed Critical Nikon Corp
Priority to JP2008556197A priority Critical patent/JP4766118B2/ja
Publication of WO2008093836A1 publication Critical patent/WO2008093836A1/ja
Priority to US12/458,855 priority patent/US8369640B2/en
Anticipated expiration legal-status Critical
Priority to US13/731,736 priority patent/US8675982B2/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • 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 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
    • G06T2207/20048—Transform domain processing
    • G06T2207/20064—Wavelet transform [DWT]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (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、原画像を仮にノイズ除去して、仮ノイズ除去画像と仮ノイズ成分に分離し、仮ノイズ除去画像に対してエッジ検出を行なうことにより、仮ノイズ除去画像のエッジ成分を抽出し、抽出したエッジ成分の大きさに基づいて、仮ノイズ成分に含まれる原画像の微小エッジ成分を求め、仮ノイズ成分から微小エッジ成分を除外することにより、実ノイズ成分を抽出し、抽出し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/JP2008/051652 2007-02-02 2008-02-01 画像処理方法 Ceased WO2008093836A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008556197A JP4766118B2 (ja) 2007-02-02 2008-02-01 画像処理方法
US12/458,855 US8369640B2 (en) 2007-02-02 2009-07-24 Image processing for removing a noise component contained in an image
US13/731,736 US8675982B2 (en) 2007-02-02 2012-12-31 Image processing for removing a noise component contained in an image

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-024067 2007-02-02
JP2007-024066 2007-02-02
JP2007024067 2007-02-02
JP2007024066 2007-02-02

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/458,855 Continuation US8369640B2 (en) 2007-02-02 2009-07-24 Image processing for removing a noise component contained in an image

Publications (1)

Publication Number Publication Date
WO2008093836A1 true WO2008093836A1 (ja) 2008-08-07

Family

ID=39674139

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051652 Ceased WO2008093836A1 (ja) 2007-02-02 2008-02-01 画像処理方法

Country Status (3)

Country Link
US (2) US8369640B2 (ja)
JP (1) JP4766118B2 (ja)
WO (1) WO2008093836A1 (ja)

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JP2010055604A (ja) * 2008-08-01 2010-03-11 Nikon Corp 画像処理方法
JP2010239513A (ja) * 2009-03-31 2010-10-21 Olympus Corp 画像処理装置、方法、プログラム、及び撮像システム
US8120679B2 (en) 2008-08-01 2012-02-21 Nikon Corporation Image processing method

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US8761541B2 (en) * 2010-05-11 2014-06-24 Thomson Nlicensing Comfort noise and film grain processing for 3 dimensional video
US9047531B2 (en) 2010-05-21 2015-06-02 Hand Held Products, Inc. Interactive user interface for capturing a document in an image signal
US8600167B2 (en) 2010-05-21 2013-12-03 Hand Held Products, Inc. System for capturing a document in an image signal
US20120019727A1 (en) * 2010-07-21 2012-01-26 Fan Zhai Efficient Motion-Adaptive Noise Reduction Scheme for Video Signals
US20120128244A1 (en) * 2010-11-19 2012-05-24 Raka Singh Divide-and-conquer filter for low-light noise reduction
US8755625B2 (en) 2010-11-19 2014-06-17 Analog Devices, Inc. Component filtering for low-light noise reduction
CN102999884B (zh) * 2011-09-16 2015-11-25 株式会社东芝 图像处理设备和方法
TW201318418A (zh) * 2011-10-26 2013-05-01 Novatek Microelectronics Corp 降低影像雜訊的方法及相關裝置
CN103095999A (zh) * 2011-10-27 2013-05-08 联咏科技股份有限公司 降低影像噪声的方法及相关装置
US20140126839A1 (en) * 2012-11-08 2014-05-08 Sharp Laboratories Of America, Inc. Defect detection using joint alignment and defect extraction
US9053531B2 (en) * 2013-02-28 2015-06-09 Sharp Laboratories Of America, Inc. Multi layered image enhancement technique
JP6210772B2 (ja) * 2013-07-22 2017-10-11 キヤノン株式会社 情報処理装置、撮像装置、制御方法、及びプログラム
US9560146B2 (en) * 2013-09-18 2017-01-31 Lidong Qu Apparatus and method for data-tag based object-to-object applications
WO2015058320A1 (en) * 2013-10-25 2015-04-30 Acamar Corporation Denoising raw image data using content adaptive orthonormal transformation with cycle spinning
WO2016047240A1 (ja) 2014-09-24 2016-03-31 ソニー株式会社 画像処理装置、撮像素子、撮像装置および画像処理方法
JP6732726B2 (ja) * 2015-02-26 2020-07-29 ソニーセミコンダクタソリューションズ株式会社 撮像装置、撮像方法、およびプログラム
US10475215B2 (en) * 2016-09-23 2019-11-12 Carestream Health, Inc. CBCT image processing method
US10169549B2 (en) * 2017-03-30 2019-01-01 Adobe Inc. Digital image processing including refinement layer, search context data, or DRM
US11206355B2 (en) * 2017-09-08 2021-12-21 Sony Group Corporation Image processing apparatus, image processing method, and image processing program
SE2351198A1 (en) * 2021-04-19 2023-10-18 Hanwha Vision Co Ltd Noise removal for surveillance camera image by means of ai-based object recognition
US11330145B1 (en) 2021-06-10 2022-05-10 Bank Of America Corporation Image processing edge device for document noise removal
CN117218021A (zh) * 2023-09-07 2023-12-12 东软医疗系统股份有限公司 用于去除伪影的方法及装置、电子设备、存储介质

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JP2010055604A (ja) * 2008-08-01 2010-03-11 Nikon Corp 画像処理方法
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
JP2010239513A (ja) * 2009-03-31 2010-10-21 Olympus Corp 画像処理装置、方法、プログラム、及び撮像システム

Also Published As

Publication number Publication date
JPWO2008093836A1 (ja) 2010-05-20
US20130163895A1 (en) 2013-06-27
US20090290067A1 (en) 2009-11-26
US8675982B2 (en) 2014-03-18
US8369640B2 (en) 2013-02-05
JP4766118B2 (ja) 2011-09-07

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