DE10211485A1 - Verfahren zur Bestimmung einer Objektfunktion - Google Patents

Verfahren zur Bestimmung einer Objektfunktion

Info

Publication number
DE10211485A1
DE10211485A1 DE10211485A DE10211485A DE10211485A1 DE 10211485 A1 DE10211485 A1 DE 10211485A1 DE 10211485 A DE10211485 A DE 10211485A DE 10211485 A DE10211485 A DE 10211485A DE 10211485 A1 DE10211485 A1 DE 10211485A1
Authority
DE
Germany
Prior art keywords
projection
projections
projection direction
approximation image
max
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Withdrawn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
DE10211485A
Other languages
German (de)
English (en)
Inventor
Thomas Koehler
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Intellectual Property and Standards GmbH
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 Philips Intellectual Property and Standards GmbH filed Critical Philips Intellectual Property and Standards GmbH
Priority to DE10211485A priority Critical patent/DE10211485A1/de
Priority to US10/387,828 priority patent/US7206441B2/en
Priority to JP2003070636A priority patent/JP2004000508A/ja
Publication of DE10211485A1 publication Critical patent/DE10211485A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/037—Emission tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/044—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using laminography or tomosynthesis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pure & Applied Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Nuclear Medicine (AREA)
DE10211485A 2002-03-15 2002-03-15 Verfahren zur Bestimmung einer Objektfunktion Withdrawn DE10211485A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE10211485A DE10211485A1 (de) 2002-03-15 2002-03-15 Verfahren zur Bestimmung einer Objektfunktion
US10/387,828 US7206441B2 (en) 2002-03-15 2003-03-13 Method for determining an object function
JP2003070636A JP2004000508A (ja) 2002-03-15 2003-03-14 オブジェクト関数の決定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10211485A DE10211485A1 (de) 2002-03-15 2002-03-15 Verfahren zur Bestimmung einer Objektfunktion

Publications (1)

Publication Number Publication Date
DE10211485A1 true DE10211485A1 (de) 2003-09-25

Family

ID=27771348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10211485A Withdrawn DE10211485A1 (de) 2002-03-15 2002-03-15 Verfahren zur Bestimmung einer Objektfunktion

Country Status (3)

Country Link
US (1) US7206441B2 (enExample)
JP (1) JP2004000508A (enExample)
DE (1) DE10211485A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006061078A1 (de) * 2006-12-22 2008-07-17 Siemens Ag Verfahren zum Betrieb einer hybriden medizinischen Bildgebungseinheit, umfassend eine erste Bildgebungseinrichtung mit hoher Ortsauflösung und eine zweite nuklearmedizinische Bildgebungseinrichtung mit hoher Sensitivität

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0409572D0 (en) * 2004-04-29 2004-06-02 Univ Sheffield High resolution imaging
JP4535795B2 (ja) * 2004-07-12 2010-09-01 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像処理装置及びｘ線ｃｔシステム
JP4861821B2 (ja) 2004-11-12 2012-01-25 株式会社東芝 磁気共鳴イメージング装置および画像データ補正装置
DE102005051620A1 (de) * 2005-10-27 2007-05-03 Siemens Ag Verfahren zur Rekonstruktion einer tomographischen Darstellung eines Objektes
CN100565586C (zh) * 2006-03-10 2009-12-02 Ge医疗系统环球技术有限公司 图像重建方法和x射线ct设备
US20080056432A1 (en) * 2006-08-30 2008-03-06 General Electric Company Reconstruction of CT projection data
US7558414B2 (en) * 2006-09-11 2009-07-07 Case Western Reserve University Iterative image reconstruction
DE102006057747B4 (de) * 2006-09-27 2015-10-15 Osram Opto Semiconductors Gmbh Halbleiterkörper und Halbleiterchip mit einem Halbleiterkörper
EP1959397B1 (en) 2007-02-19 2019-08-07 Wisconsin Alumni Research Foundation Iterative HYPR medical image reconstruction
WO2008132659A2 (en) * 2007-04-27 2008-11-06 Koninklijke Philips Electronics N.V. Magnetic resonance device and method for propeller mri
JP5813994B2 (ja) * 2010-06-03 2015-11-17 株式会社東芝 医用画像診断装置および画像再構成方法
US20120128265A1 (en) * 2010-11-23 2012-05-24 Toshiba Medical Systems Corporation Method and system utilizing iterative reconstruction with adaptive parameters for computer tomography (ct) images
WO2013154834A1 (en) * 2012-04-11 2013-10-17 Dignity Health System and method for magnetic resonance imaging using three-dimensional, distributed, non-cartesian sampling trajectories
EP3082606B1 (en) * 2013-12-17 2017-11-22 Koninklijke Philips N.V. Projection data acquisition apparatus
US11972511B2 (en) * 2021-07-09 2024-04-30 Carl Zeiss X-ray Microscopy, Inc. Accessible neural network image processing workflow

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4134127C1 (en) * 1991-10-15 1993-04-08 Siemens Ag, 8000 Muenchen, De Medical imaging machine operating on folding back-projection principle - images areas beyond object and subtracts image produced by back projection of correction projections from originally generated image
US5414623A (en) * 1992-05-08 1995-05-09 Iowa State University Research Foundation Optoelectronic system for implementation of iterative computer tomography algorithms
US5625190A (en) * 1995-07-11 1997-04-29 General Electric Company Forward projection algorithm
US5907594A (en) * 1997-07-01 1999-05-25 Analogic Corporation Reconstruction of volumetric images by successive approximation in cone-beam computed tomography systems
US5982845A (en) * 1998-04-07 1999-11-09 Picker International, Inc. Forward projection and backprojection processor
JP3992389B2 (ja) * 1999-01-11 2007-10-17 株式会社日立メディコ Ｘ線ｃｔ装置及びファントム
US6281681B1 (en) * 1999-01-28 2001-08-28 General Electric Company Magnetic resonance imaging with interleaved Fibonacci spiral scanning
US6410919B1 (en) * 1999-11-19 2002-06-25 Wisconsin Alumni Research Foundation Positron gun for pet attenuation measurements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006061078A1 (de) * 2006-12-22 2008-07-17 Siemens Ag Verfahren zum Betrieb einer hybriden medizinischen Bildgebungseinheit, umfassend eine erste Bildgebungseinrichtung mit hoher Ortsauflösung und eine zweite nuklearmedizinische Bildgebungseinrichtung mit hoher Sensitivität
US8437831B2 (en) 2006-12-22 2013-05-07 Siemens Aktiengesellschaft Method for operating a hybrid medical imaging unit comprising a first imaging device of high spatial resolution and a second nuclear medicine imaging device of high sensitivity

Also Published As

Publication number Publication date
JP2004000508A (ja) 2004-01-08
US20030179918A1 (en) 2003-09-25
US7206441B2 (en) 2007-04-17

Similar Documents

Publication Publication Date Title
DE10211485A1 (de) Verfahren zur Bestimmung einer Objektfunktion
EP0088970B1 (de) Verfahren zum Messen der magnetischen Kernresonanz für die NMR-Tomographie
DE102013217351B4 (de) Bildbasierte Bewegungskompensation von Bilddaten
DE102010027227B4 (de) Verfahren und Computertomographiegerät zur Durchführung einer angiographischen Untersuchung
DE102009048302B4 (de) Korrektur von Trunkierungen bei einer MR-Bildgebung
DE102008058488B4 (de) Verfahren und Vorrichtung zur Aufbereitung von kombinierten MR-Emissionstomographieaufnahmen
DE10231061A1 (de) Verfahren und System zur Verbesserung des Informationsgehaltes in einem Bild
EP3120765B1 (de) Mpi-verfahren
DE2747194A1 (de) Verfahren zum abbilden von positronen zur feststellung einer radioaktiven verteilung von positronenereignissen und einrichtung zur durchfuehrung des verfahrens
EP2880459B1 (de) Hybrid-untersuchungssystem mit einem mr-tomographen, einer röntgenquelle und einem röntgendetektor
DE102011006188B4 (de) Verfahren und Computertomographie-System zur Erstellung tomographischer Bilddarstellung mit mindestens zwei Strahler-Detektor-Systemen
EP0153786A2 (de) Röntgengerät
DE2946820A1 (de) Verfahren und vorrichtung zur untersuchung eines koerpers mittels nuklearer magnetischer resonanz
DE69613711T2 (de) Pet-echtzeitabbildungsverfahren für einzelphotonen-gammakamera
DE102010006774A1 (de) CT-Messung mit Mehrfachröntgenquellen
DE102015203932B4 (de) Schwächungskorrektur von Emissionstomographie-Messdaten in Anwesenheit eines magnetischen Störfeldes
DE102012104599A1 (de) Verfahren und System zur Rekonstruktion tomografischer Bilder
DE102005051620A1 (de) Verfahren zur Rekonstruktion einer tomographischen Darstellung eines Objektes
DE102015225395A1 (de) Ermittlung einer räumlichen Verteilung eines Materialeigenschaftswerts auf Basis einer Einzelenergie-Bildaufnahme
DE102006025759A1 (de) Verfahren zur Bildrekonstruktion eines Objektes mit Projektionen und Vorrichtung zur Durchführung des Verfahrens
DE102017213479A1 (de) Computertomographische Aufnahme mit verschiedenen Energieschwellensätzen
DE10214254A1 (de) Organspezifische Rückprojektion
DE102013205278B4 (de) Verfahren zur Darstellung von Signalwerten eines kombinierten Magnetresonanz-Positronenemissionstomographie-Geräts sowie entsprechend ausgestaltetes Magnetresonanz-Positronenemissionstomographie-Gerät
DE19601469A1 (de) Z-Achsen-Gewinnkorrektur eines Detektors für ein CT-System
DE2836224C2 (de) Computer-Tomograph

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G01N 23/06 AFI20051017BHDE

8139 Disposal/non-payment of the annual fee