CA2346852A1 - Method and system for image enhancement - Google Patents

Method and system for image enhancement Download PDF

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Publication number
CA2346852A1
CA2346852A1 CA002346852A CA2346852A CA2346852A1 CA 2346852 A1 CA2346852 A1 CA 2346852A1 CA 002346852 A CA002346852 A CA 002346852A CA 2346852 A CA2346852 A CA 2346852A CA 2346852 A1 CA2346852 A1 CA 2346852A1
Authority
CA
Canada
Prior art keywords
image
imaging
edge
discontinuities
function
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.)
Abandoned
Application number
CA002346852A
Other languages
English (en)
French (fr)
Inventor
Kui Ming Chui
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GBGB9822397.7A external-priority patent/GB9822397D0/en
Priority claimed from GBGB9825165.5A external-priority patent/GB9825165D0/en
Priority claimed from GBGB9902332.7A external-priority patent/GB9902332D0/en
Application filed by Individual filed Critical Individual
Publication of CA2346852A1 publication Critical patent/CA2346852A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/12Edge-based segmentation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10072Tomographic images
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30004Biomedical image processing
    • G06T2207/30016Brain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Analysis (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Vehicle Body Suspensions (AREA)
  • Holo Graphy (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
CA002346852A 1998-10-15 1999-10-15 Method and system for image enhancement Abandoned CA2346852A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB9822397.7 1998-10-15
GBGB9822397.7A GB9822397D0 (en) 1998-10-15 1998-10-15 Imaging
GBGB9825165.5A GB9825165D0 (en) 1998-11-18 1998-11-18 Imaging
GB9825165.5 1998-11-18
GBGB9902332.7A GB9902332D0 (en) 1999-02-02 1999-02-02 Imaging
GB9902332.7 1999-02-02
PCT/GB1999/003417 WO2000022573A1 (en) 1998-10-15 1999-10-15 Imaging

Publications (1)

Publication Number Publication Date
CA2346852A1 true CA2346852A1 (en) 2000-04-20

Family

ID=27269515

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002346852A Abandoned CA2346852A1 (en) 1998-10-15 1999-10-15 Method and system for image enhancement

Country Status (9)

Country Link
US (1) US6928182B1 (https=)
EP (1) EP1121663B1 (https=)
JP (1) JP4309062B2 (https=)
AT (1) ATE286283T1 (https=)
AU (1) AU768756B2 (https=)
CA (1) CA2346852A1 (https=)
DE (1) DE69922983T2 (https=)
GB (1) GB2346028B (https=)
WO (1) WO2000022573A1 (https=)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7127096B2 (en) * 2001-11-20 2006-10-24 Accuimage Diagnostics Corp. Method and software for improving coronary calcium scoring consistency
US7149331B1 (en) 2002-09-03 2006-12-12 Cedara Software Corp. Methods and software for improving thresholding of coronary calcium scoring
AU2003277432A1 (en) * 2002-10-16 2004-05-04 Varian Medical Systems Technologies, Inc. Method and apparatus for excess signal correction in an imager
US7330594B2 (en) * 2003-07-31 2008-02-12 Kabushiki Kaisha Toshiba Image enhancement or correction software, method, apparatus and system for substantially minimizing blur in the scanned image
US7492967B2 (en) * 2003-09-24 2009-02-17 Kabushiki Kaisha Toshiba Super-resolution processor and medical diagnostic imaging apparatus
FR2867935A1 (fr) * 2004-03-17 2005-09-23 Thomson Licensing Sa Procede de rehaussement des contours dans une image
SE0400731D0 (sv) * 2004-03-22 2004-03-22 Contextvision Ab Method, computer program product and apparatus for enhancing a computerized tomography image
US7215732B2 (en) * 2004-09-30 2007-05-08 General Electric Company Method and system for CT reconstruction with pre-correction
GB0422930D0 (en) * 2004-10-15 2004-11-17 Chui Kui M Image processing
US7778450B2 (en) * 2005-01-20 2010-08-17 Scimed Life Systems, Inc. Pattern recognition systems and methods
JP4585456B2 (ja) * 2006-01-23 2010-11-24 株式会社東芝 ボケ変換装置
JP2008073208A (ja) * 2006-09-21 2008-04-03 Konica Minolta Medical & Graphic Inc 画像処理装置及び画像処理方法
JP2008073342A (ja) * 2006-09-22 2008-04-03 Konica Minolta Medical & Graphic Inc 放射線画像撮影システム及び放射線画像撮影方法
JP4891721B2 (ja) * 2006-09-28 2012-03-07 日立アロカメディカル株式会社 超音波診断装置
JP4799428B2 (ja) * 2007-01-22 2011-10-26 株式会社東芝 画像処理装置及び方法
CN101846798B (zh) * 2009-03-24 2013-02-27 财团法人工业技术研究院 景物深度信息的取得方法与装置
DE102009015594B4 (de) * 2009-03-30 2015-07-30 Carl Zeiss Sms Gmbh Verfahren und Vorrichtung zur subpixelgenauen Positionsbestimmung einer Kante einer Markerstruktur in einer Vielzahl von Aufnahmepixeln aufweisenden Aufnahme der Markerstruktur
US8362947B2 (en) * 2011-03-29 2013-01-29 Victor Gorelik Method for obtaining object-plane field from its two images
US8922641B2 (en) 2011-06-29 2014-12-30 The Procter & Gamble Company System and method for inspecting components of hygienic articles
CN103565473A (zh) 2012-07-27 2014-02-12 三星电子株式会社 图像处理模块和图像处理方法
US9589328B2 (en) 2012-11-09 2017-03-07 Nikon Corporation Globally dominant point spread function estimation
US9530079B2 (en) 2012-11-09 2016-12-27 Nikon Corporation Point spread function classification using structural properties
US9779491B2 (en) 2014-08-15 2017-10-03 Nikon Corporation Algorithm and device for image processing
CN104248437B (zh) * 2014-10-15 2017-04-12 中国科学院深圳先进技术研究院 动态磁共振图像成像方法和系统
US9792673B2 (en) * 2015-09-25 2017-10-17 Intel Corporation Facilitating projection pre-shaping of digital images at computing devices
EP4012662A1 (en) * 2020-12-09 2022-06-15 Koninklijke Philips N.V. Method for identifying a material boundary in volumetric image data

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155187B (en) 1984-02-27 1987-10-21 Picker Int Ltd Nuclear magnetic resonance imaging apparatus
GB8405065D0 (en) 1984-02-27 1984-04-04 Picker Int Ltd Nuclear magnetic resonance imaging apparatus
US4947323A (en) 1986-05-22 1990-08-07 University Of Tennessee Research Corporation Method and apparatus for measuring small spatial dimensions of an object
US4973111A (en) 1988-09-14 1990-11-27 Case Western Reserve University Parametric image reconstruction using a high-resolution, high signal-to-noise technique
GB8918105D0 (en) 1989-08-08 1989-09-20 Nat Res Dev Echo planar imaging using 180grad pulses
US5150292A (en) * 1989-10-27 1992-09-22 Arch Development Corporation Method and system for determination of instantaneous and average blood flow rates from digital angiograms
US5001429A (en) 1989-11-21 1991-03-19 General Electric Company Removal of truncation artifacts in NMR imaging
US5445155A (en) 1991-03-13 1995-08-29 Scimed Life Systems Incorporated Intravascular imaging apparatus and methods for use and manufacture
US20020186874A1 (en) * 1994-09-07 2002-12-12 Jeffrey H. Price Method and means for image segmentation in fluorescence scanning cytometry
US5790692A (en) * 1994-09-07 1998-08-04 Jeffrey H. Price Method and means of least squares designed filters for image segmentation in scanning cytometry
US5784492A (en) 1995-03-16 1998-07-21 Trustees Of Boston University Apparatus and method for data compression with the CLEAN technique
US5576548A (en) * 1995-06-05 1996-11-19 University Of South Florida Nuclear imaging enhancer
JP3813999B2 (ja) 1995-08-25 2006-08-23 ジーイー横河メディカルシステム株式会社 画像処理方法および画像処理装置
US5594767A (en) 1995-11-02 1997-01-14 General Electric Company Methods and apparatus for enhancing image sharpness
JP3392608B2 (ja) 1995-11-29 2003-03-31 株式会社東芝 画像処理装置及びその方法
JP4722244B2 (ja) * 1998-07-14 2011-07-13 ノバ・メジャリング・インストルメンツ・リミテッド 所定のフォトリソグラフィ工程に従って基板を加工する装置
IL125337A0 (en) * 1998-07-14 1999-03-12 Nova Measuring Instr Ltd Method and apparatus for lithography monitoring and process control

Also Published As

Publication number Publication date
JP2002527834A (ja) 2002-08-27
GB9924530D0 (en) 1999-12-15
EP1121663B1 (en) 2004-12-29
EP1121663A1 (en) 2001-08-08
ATE286283T1 (de) 2005-01-15
GB2346028A (en) 2000-07-26
GB2346028B (en) 2003-03-05
AU6350399A (en) 2000-05-01
US6928182B1 (en) 2005-08-09
DE69922983D1 (de) 2005-02-03
WO2000022573A1 (en) 2000-04-20
AU768756B2 (en) 2004-01-08
DE69922983T2 (de) 2005-12-29
JP4309062B2 (ja) 2009-08-05

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued