DE19681626B4 - Mehrscheibige PET mit beschränkter Projektion - Google Patents

Mehrscheibige PET mit beschränkter Projektion

Info

Publication number
DE19681626B4
DE19681626B4 DE19681626T DE19681626T DE19681626B4 DE 19681626 B4 DE19681626 B4 DE 19681626B4 DE 19681626 T DE19681626 T DE 19681626T DE 19681626 T DE19681626 T DE 19681626T DE 19681626 B4 DE19681626 B4 DE 19681626B4
Authority
DE
Germany
Prior art keywords
data
rays
slice
image
dimensional
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.)
Expired - Fee Related
Application number
DE19681626T
Other languages
English (en)
Other versions
DE19681626T1 (de
Inventor
Gerd Muehllehner
Peter Countryman
William K Braymer
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of DE19681626T1 publication Critical patent/DE19681626T1/de
Application granted granted Critical
Publication of DE19681626B4 publication Critical patent/DE19681626B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/436—Limited angle
    • 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

Abstract

Verfahren zum Rekonstruieren eines Bildes in einem medizinischen Bildgewinnungssystem, das eine Mehrzahl von Detektoren umfaßt, die geeignet sind, eine Mehrzahl von in einem Bereich von Projektionswinkeln auftretenden Strahlen zu detektieren, wobei die Strahlen transversale Strahlen und schräglaufende Strahlen umfassen, wobei das Verfahren die Schritte umfaßt: Detektieren einer Mehrzahl von Strahlen unter Verwendung der Detektoren; Erzeugen einer Sammlung von Daten, die repräsentativ für die detektierten Strahlen sind; Rebinning der Daten zum Erzeugen eines Stapels von zwei-dimensionalen Datensätzen, die einzelnen transversalen Scheibenbildern entsprechen, wobei die Scheibenbilder zusammengenommen ein dreidimensionales Bild ergeben, wobei für jeden Datensatz die in dem Datensatz enthaltenen Daten weniger als allen möglichen Projektionswinkeln für das zugehörige Scheibenbild entsprechen; Anwenden eines zweidimensionalen iterativen Rekonstruktionsalgorithmus auf jeden der Datensätze, um aus den Datensätzen scheibenweise ein dreidimensionales Bild zu rekonstruieren; und axiales Filtern der dem Rebinning unterworfenen Daten.
DE19681626T 1995-10-25 1996-10-24 Mehrscheibige PET mit beschränkter Projektion Expired - Fee Related DE19681626B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/547,951 US5744802A (en) 1995-10-25 1995-10-25 Image generation from limited projections in positron emission tomography using multi-slice rebinning
PCT/US1996/017239 WO1997015841A1 (en) 1995-10-25 1996-10-24 Multi-slice limited projection pet

Publications (2)

Publication Number Publication Date
DE19681626T1 DE19681626T1 (de) 1998-11-26
DE19681626B4 true DE19681626B4 (de) 2014-07-17

Family

ID=24186813

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681626T Expired - Fee Related DE19681626B4 (de) 1995-10-25 1996-10-24 Mehrscheibige PET mit beschränkter Projektion

Country Status (6)

Country Link
US (1) US5744802A (de)
JP (1) JP4191799B2 (de)
CN (1) CN1143139C (de)
AU (1) AU7523796A (de)
DE (1) DE19681626B4 (de)
WO (1) WO1997015841A1 (de)

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WO2009122273A2 (en) 2008-04-03 2009-10-08 Superdimension, Ltd. Magnetic interference detection system and method
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US8184887B2 (en) * 2008-08-29 2012-05-22 General Electric Company System and method for image reconstruction
JP5342228B2 (ja) * 2008-12-25 2013-11-13 浜松ホトニクス株式会社 画像処理装置および３次元ｐｅｔ装置
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US10517505B2 (en) 2016-10-28 2019-12-31 Covidien Lp Systems, methods, and computer-readable media for optimizing an electromagnetic navigation system
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Also Published As

Publication number Publication date
WO1997015841A1 (en) 1997-05-01
CN1204402A (zh) 1999-01-06
AU7523796A (en) 1997-05-15
JPH11514446A (ja) 1999-12-07
JP4191799B2 (ja) 2008-12-03
DE19681626T1 (de) 1998-11-26
CN1143139C (zh) 2004-03-24
US5744802A (en) 1998-04-28

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8128 New person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8110 Request for examination paragraph 44
R018 Grant decision by examination section/examining division
R082 Change of representative

Representative=s name: VOLMER, GEORG, DIPL.-ING., DE

R081 Change of applicant/patentee

Owner name: KONINKLIJKE PHILIPS N.V., NL

Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

Effective date: 20140331

R082 Change of representative

Representative=s name: VOLMER, GEORG, DIPL.-ING., DE

Effective date: 20140331

R020 Patent grant now final
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee