DE10123816A1 - Verfahren und Vorrichtung zur Entfaltung von Abbildungsdaten - Google Patents

Verfahren und Vorrichtung zur Entfaltung von Abbildungsdaten

Info

Publication number
DE10123816A1
DE10123816A1 DE10123816A DE10123816A DE10123816A1 DE 10123816 A1 DE10123816 A1 DE 10123816A1 DE 10123816 A DE10123816 A DE 10123816A DE 10123816 A DE10123816 A DE 10123816A DE 10123816 A1 DE10123816 A1 DE 10123816A1
Authority
DE
Germany
Prior art keywords
matrix
sensitivity profile
cut sensitivity
kernel
deconvolution
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.)
Withdrawn
Application number
DE10123816A
Other languages
German (de)
English (en)
Inventor
Jiang Hsieh
Idris A Elbakri
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of DE10123816A1 publication Critical patent/DE10123816A1/de
Withdrawn legal-status Critical Current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
    • G06T5/20—Image enhancement or restoration using local operators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Analysis (AREA)
DE10123816A 2000-05-17 2001-05-16 Verfahren und Vorrichtung zur Entfaltung von Abbildungsdaten Withdrawn DE10123816A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/572,216 US6798860B1 (en) 2000-05-17 2000-05-17 Methods and apparatus for deconvolving imaging data

Publications (1)

Publication Number Publication Date
DE10123816A1 true DE10123816A1 (de) 2001-11-22

Family

ID=24286862

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10123816A Withdrawn DE10123816A1 (de) 2000-05-17 2001-05-16 Verfahren und Vorrichtung zur Entfaltung von Abbildungsdaten

Country Status (4)

Country Link
US (1) US6798860B1 (enExample)
JP (1) JP4832662B2 (enExample)
DE (1) DE10123816A1 (enExample)
IL (1) IL143073A0 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10222702A1 (de) * 2002-05-22 2003-12-24 Siemens Ag Verfahren zur Korrektur der Extrafokalstrahlung einer Röntgenröhre in der Computertomographie

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US7471813B2 (en) * 2004-10-01 2008-12-30 Varian Medical Systems International Ag Systems and methods for correction of scatter in images
EP1899892B2 (en) * 2005-05-20 2024-11-27 Dental Imaging Technologies Corporation Location of focal plane
WO2008087486A2 (en) * 2006-09-14 2008-07-24 Tessera Technologies Hungary Kft. Imaging system with improved image quality and associated methods
US8406564B2 (en) 2008-09-24 2013-03-26 Microsoft Corporation Removing blur from an image
WO2012050149A1 (ja) * 2010-10-14 2012-04-19 株式会社 日立メディコ Ｘ線ｃｔ装置及び画像再構成方法
US8885883B2 (en) 2011-07-22 2014-11-11 Raytheon Company Enhancing GMAPD LADAR images using 3-D wallis statistical differencing
US9117304B2 (en) 2013-07-31 2015-08-25 General Electric Company System and method for improved spatial resolution of a multi-slice imaging system
CN105469363B (zh) 2014-09-05 2018-05-18 华为技术有限公司 基于模糊图像生成清晰图像的方法和装置
CN108242066B (zh) * 2016-12-26 2023-04-14 通用电气公司 Ct图像的空间分辨率增强装置和方法以及ct成像系统

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US4635197A (en) * 1983-12-29 1987-01-06 Shell Oil Company High resolution tomographic imaging method
US5247175A (en) * 1992-05-27 1993-09-21 Finnigan Corporation Method and apparatus for the deconvolution of unresolved data
US5757951A (en) * 1994-12-20 1998-05-26 Picker International, Inc. Correction of off-focal radiation
US5491735A (en) 1994-12-22 1996-02-13 General Electric Company Image reconstruction apparatus and method for helical scanning
US5594767A (en) 1995-11-02 1997-01-14 General Electric Company Methods and apparatus for enhancing image sharpness
US6215846B1 (en) * 1996-02-21 2001-04-10 Lunar Corporation Densitometry adapter for compact x-ray fluoroscopy machine
JP3583554B2 (ja) * 1996-07-23 2004-11-04 株式会社日立メディコ コーンビームｘ線断層撮影装置
US5818896A (en) 1996-11-18 1998-10-06 General Electric Company Methods and apparatus for three-dimensional and maximum intensity projection image reconstruction in a computed tomography system
US5732118A (en) 1996-12-02 1998-03-24 General Electric Company Methods and apparatus for image reconstruction in a multislice computed tomography system
US6236706B1 (en) 1996-12-12 2001-05-22 General Electric Company Methods and apparatus for predicting contrast agent uptake in a computed tomography system
US6023494A (en) 1996-12-19 2000-02-08 General Electric Company Methods and apparatus for modifying slice thickness during a helical scan
US5864598A (en) * 1997-04-21 1999-01-26 General Electric Company Methods and apparatus for scanning an object in a computed tomography system
US6041132A (en) * 1997-07-29 2000-03-21 General Electric Company Computed tomography inspection of composite ply structure
US6115447A (en) 1997-11-07 2000-09-05 General Electric Company Multi-slice biopsy with single slice computed tomography
US5907593A (en) 1997-11-26 1999-05-25 General Electric Company Image reconstruction in a CT fluoroscopy system
US6115487A (en) 1998-01-08 2000-09-05 General Electric Company Correction algorithm for bone-induced spectral artifacts in computed tomograph imaging
FR2778467B1 (fr) * 1998-05-11 2000-06-16 Christian Jeanguillaume Perfectionnement du systeme de gamma camera a haute sensibilite
US6134292A (en) 1998-07-13 2000-10-17 General Electric Company Methods and apparatus for reducing z-axis non-uniformity artifacts
DE19832276C2 (de) * 1998-07-17 2002-10-24 Siemens Ag Verfahren zur Rekonstruktion von aus mittels eines CT-Gerätes durch Spiralabtastung gewonnenen Meßwerten
US6215841B1 (en) 1998-09-29 2001-04-10 General Electric Company Methods and apparatus for 3D artifact reduction
US6226350B1 (en) 1998-12-31 2001-05-01 General Electric Company Methods and apparatus for cardiac scoring with a multi-beam scanner
US6233308B1 (en) 1999-03-19 2001-05-15 General Electric Company Methods and apparatus for artifact compensation with variable angular sampling
US6256368B1 (en) 1999-10-15 2001-07-03 General Electric Company Methods and apparatus for scout-based cardiac calcification scoring
US6366637B1 (en) * 2000-05-08 2002-04-02 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for generating thin-slice imaging data on a multi-slice imaging system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10222702A1 (de) * 2002-05-22 2003-12-24 Siemens Ag Verfahren zur Korrektur der Extrafokalstrahlung einer Röntgenröhre in der Computertomographie
US6792067B2 (en) 2002-05-22 2004-09-14 Siemens Aktiengesellschaft Method of correcting the extrafocal radiation of an X-ray tube in computed tomography

Also Published As

Publication number Publication date
JP4832662B2 (ja) 2011-12-07
JP2002065663A (ja) 2002-03-05
US6798860B1 (en) 2004-09-28
IL143073A0 (en) 2002-04-21

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee