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
Application number
PCT/JP2008/051652
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 JP2008556197A priority Critical patent/JP4766118B2/ja
Publication of WO2008093836A1 publication Critical patent/WO2008093836A1/ja
Priority to US12/458,855 priority patent/US8369640B2/en
Priority to US13/731,736 priority patent/US8675982B2/en

Links

Classifications

    • G06T5/70—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; 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

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 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
JP2007024067 2007-02-02
JP2007-024066 2007-02-02
JP2007-024067 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 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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US9047531B2 (en) 2010-05-21 2015-06-02 Hand Held Products, Inc. Interactive user interface 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
WO2016136501A1 (ja) * 2015-02-26 2016-09-01 ソニー株式会社 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
JP7160042B2 (ja) * 2017-09-08 2022-10-25 ソニーグループ株式会社 画像処理装置、画像処理方法および画像処理プログラム
US11330145B1 (en) 2021-06-10 2022-05-10 Bank Of America Corporation Image processing edge device for document noise removal

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

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