DE69329514D1 - Verfahren und Gerät zum Vorverarbeiten von Kegelstrahlprojektionsdaten zur exakten dreidimensionalen CT-Bildrekonstruktion eines Teilobjekts - Google Patents

Verfahren und Gerät zum Vorverarbeiten von Kegelstrahlprojektionsdaten zur exakten dreidimensionalen CT-Bildrekonstruktion eines Teilobjekts

Info

Publication number
DE69329514D1
DE69329514D1 DE69329514T DE69329514T DE69329514D1 DE 69329514 D1 DE69329514 D1 DE 69329514D1 DE 69329514 T DE69329514 T DE 69329514T DE 69329514 T DE69329514 T DE 69329514T DE 69329514 D1 DE69329514 D1 DE 69329514D1
Authority
DE
Germany
Prior art keywords
preprocessing
exact
sub
dimensional
projection data
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
DE69329514T
Other languages
English (en)
Other versions
DE69329514T2 (de
Inventor
Kwok Cheong Tam
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE69329514D1 publication Critical patent/DE69329514D1/de
Application granted granted Critical
Publication of DE69329514T2 publication Critical patent/DE69329514T2/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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/432—Truncation
    • 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
DE69329514T 1992-07-02 1993-07-01 Verfahren und Gerät zum Vorverarbeiten von Kegelstrahlprojektionsdaten zur exakten dreidimensionalen CT-Bildrekonstruktion eines Teilobjekts Expired - Fee Related DE69329514T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/908,114 US5390226A (en) 1992-07-02 1992-07-02 Method and apparatus for pre-processing cone beam projection data for exact three dimensional computer tomographic image reconstruction of a portion of an object

Publications (2)

Publication Number Publication Date
DE69329514D1 true DE69329514D1 (de) 2000-11-09
DE69329514T2 DE69329514T2 (de) 2001-05-17

Family

ID=25425209

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69329514T Expired - Fee Related DE69329514T2 (de) 1992-07-02 1993-07-01 Verfahren und Gerät zum Vorverarbeiten von Kegelstrahlprojektionsdaten zur exakten dreidimensionalen CT-Bildrekonstruktion eines Teilobjekts

Country Status (5)

Country Link
US (1) US5390226A (de)
EP (1) EP0577425B1 (de)
JP (1) JP3901741B2 (de)
CA (1) CA2097653A1 (de)
DE (1) DE69329514T2 (de)

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JPH07312297A (ja) * 1993-09-20 1995-11-28 Philips Electron Nv Ｘ線診断装置
US5461650A (en) * 1993-10-18 1995-10-24 General Electric Company Method and system for pre-processing cone beam data for reconstructing free of interpolation-induced artifacts a three dimensional computerized tomography image
US5463666A (en) * 1993-11-12 1995-10-31 General Electric Company Helical and circle scan region of interest computerized tomography
US5602891A (en) * 1995-11-13 1997-02-11 Beth Israel Imaging apparatus and method with compensation for object motion
DE69716169T2 (de) * 1996-06-27 2003-06-12 Analogic Corp Vorrichtung zum Erfassen für axiale Transversal- und Quadratur-Tomographie
US5878103A (en) * 1997-06-30 1999-03-02 Siemens Corporate Research, Inc. Adaptive detector masking for speed-up of cone beam reconstruction
US6075836A (en) 1997-07-03 2000-06-13 University Of Rochester Method of and system for intravenous volume tomographic digital angiography imaging
US5999587A (en) * 1997-07-03 1999-12-07 University Of Rochester Method of and system for cone-beam tomography reconstruction
WO1999019716A1 (en) * 1997-10-10 1999-04-22 Analogic Corporation Ct target detection using surface normals
US5949842A (en) * 1997-10-10 1999-09-07 Analogic Corporation Air calibration scan for computed tomography scanner with obstructing objects
US5970113A (en) * 1997-10-10 1999-10-19 Analogic Corporation Computed tomography scanning apparatus and method with temperature compensation for dark current offsets
US6256404B1 (en) 1997-10-10 2001-07-03 Analogic Corporation Computed tomography scanning apparatus and method using adaptive reconstruction window
US5881123A (en) * 1998-03-31 1999-03-09 Siemens Corporate Research, Inc. Simplified cone beam image reconstruction using 3D backprojection
US6084937A (en) * 1998-07-27 2000-07-04 Siemens Corporate Research, Inc. Adaptive mask boundary correction in a cone beam imaging system
US6188745B1 (en) 1998-09-23 2001-02-13 Analogic Corporation CT scanner comprising a spatially encoded detector array arrangement and method
US6130930A (en) * 1999-03-22 2000-10-10 Siemens Corporate Research, Inc. Exact region of interest cone beam imaging without circle scans
US6480565B1 (en) 1999-11-18 2002-11-12 University Of Rochester Apparatus and method for cone beam volume computed tomography breast imaging
US6292529B1 (en) 1999-12-15 2001-09-18 Analogic Corporation Two-dimensional X-ray detector array for CT applications
US6504892B1 (en) 2000-10-13 2003-01-07 University Of Rochester System and method for cone beam volume computed tomography using circle-plus-multiple-arc orbit
US6477221B1 (en) 2001-02-16 2002-11-05 University Of Rochester System and method for fast parallel cone-beam reconstruction using one or more microprocessors
WO2002073174A2 (en) * 2001-03-12 2002-09-19 Koninklijke Philips Electronics N.V. Fast computed tomography method
US7394887B2 (en) * 2004-10-15 2008-07-01 General Electric Company Method and apparatus for reconstruction of tilted cone beam data
US7835561B2 (en) 2007-05-18 2010-11-16 Visiongate, Inc. Method for image processing and reconstruction of images for optical tomography
US8184889B2 (en) * 2007-09-28 2012-05-22 Siemens Medical Solutions Usa, Inc. Reconstruction support regions for improving the performance of iterative SPECT reconstruction techniques
US7787112B2 (en) * 2007-10-22 2010-08-31 Visiongate, Inc. Depth of field extension for optical tomography
US8143600B2 (en) 2008-02-18 2012-03-27 Visiongate, Inc. 3D imaging of live cells with ultraviolet radiation
CN104270189A (zh) * 2008-03-07 2015-01-07 诺基亚通信公司 用于传输数据的方法和装置
US8090183B2 (en) * 2009-03-12 2012-01-03 Visiongate, Inc. Pattern noise correction for pseudo projections
US8254023B2 (en) 2009-02-23 2012-08-28 Visiongate, Inc. Optical tomography system with high-speed scanner
US10804015B2 (en) 2011-12-29 2020-10-13 Posco Electrical steel sheet and method for manufacturing the same
US9091628B2 (en) 2012-12-21 2015-07-28 L-3 Communications Security And Detection Systems, Inc. 3D mapping with two orthogonal imaging views
US11069054B2 (en) 2015-12-30 2021-07-20 Visiongate, Inc. System and method for automated detection and monitoring of dysplasia and administration of immunotherapy and chemotherapy

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US4709333A (en) * 1986-01-03 1987-11-24 General Electric Company Method and apparatus for imaging in the presence of multiple high density objects
US5073910A (en) * 1990-08-27 1991-12-17 General Electric Company Square wave cone beam scanning trajectory for data completeness in three-dimensional computerized tomography
US5187659A (en) * 1990-09-04 1993-02-16 General Electric Company Cone beam scanning trajectories for three-dimensional computerized tomography data acquisition where object is larger than the field of view
FR2670038B1 (fr) * 1990-11-29 1993-12-24 Commissariat A Energie Atomique Procede et dispositif de reconstruction d'images tridimentionnelles d'un objet en utilisant deux trajectoires circulaires d'axe commun.
US5257183A (en) * 1990-12-21 1993-10-26 General Electric Company Method and apparatus for converting cone beam X-ray projection data to planar integral and reconstructing a three-dimensional computerized tomography (CT) image of an object
US5383119A (en) * 1991-07-03 1995-01-17 General Electric Company Method and apparatus for acquiring complete radon data for exactly reconstructing a three dimensional computerized tomography image of a portion of an object irradiated by a cone beam source
US5333164A (en) * 1991-12-11 1994-07-26 General Electric Company Method and apparatus for acquiring and processing only a necessary volume of radon data consistent with the overall shape of the object for efficient three dimensional image reconstruction

Also Published As

Publication number Publication date
CA2097653A1 (en) 1994-01-02
JP3901741B2 (ja) 2007-04-04
US5390226A (en) 1995-02-14
EP0577425A2 (de) 1994-01-05
EP0577425B1 (de) 2000-10-04
DE69329514T2 (de) 2001-05-17
EP0577425A3 (de) 1995-03-22
JPH0663037A (ja) 1994-03-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN

8339 Ceased/non-payment of the annual fee