DE69732560D1 - Vorrichtung und Verfahren zur Kegelstrahlherstellung - Google Patents

Vorrichtung und Verfahren zur Kegelstrahlherstellung

Info

Publication number
DE69732560D1
DE69732560D1 DE69732560T DE69732560T DE69732560D1 DE 69732560 D1 DE69732560 D1 DE 69732560D1 DE 69732560 T DE69732560 T DE 69732560T DE 69732560 T DE69732560 T DE 69732560T DE 69732560 D1 DE69732560 D1 DE 69732560D1
Authority
DE
Germany
Prior art keywords
cone beam
beam production
production
cone
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
DE69732560T
Other languages
English (en)
Other versions
DE69732560T2 (de
Inventor
Kwok C 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.)
Siemens Corporate Research Inc
Original Assignee
Siemens Corporate Research Inc
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 Siemens Corporate Research Inc filed Critical Siemens Corporate Research Inc
Application granted granted Critical
Publication of DE69732560D1 publication Critical patent/DE69732560D1/de
Publication of DE69732560T2 publication Critical patent/DE69732560T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Input (AREA)
  • Measurement Of Radiation (AREA)
DE69732560T 1996-12-20 1997-12-19 Vorrichtung und Verfahren zur Kegelstrahlherstellung Expired - Fee Related DE69732560T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US771401 1985-08-30
US08/771,401 US5748697A (en) 1996-12-20 1996-12-20 Method and apparatus for eliminating boundary errors in cone beam imaging

Publications (2)

Publication Number Publication Date
DE69732560D1 true DE69732560D1 (de) 2005-03-31
DE69732560T2 DE69732560T2 (de) 2005-07-28

Family

ID=25091691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69732560T Expired - Fee Related DE69732560T2 (de) 1996-12-20 1997-12-19 Vorrichtung und Verfahren zur Kegelstrahlherstellung

Country Status (4)

Country Link
US (1) US5748697A (de)
EP (1) EP0849711B1 (de)
JP (1) JPH10201751A (de)
DE (1) DE69732560T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901196A (en) * 1997-09-30 1999-05-04 Siemens Corporate Research, Inc. Reduction of hitlist size in spiral cone beam CT by use of local radon origins
US6018561A (en) * 1998-07-27 2000-01-25 Siemens Corporate Research, Inc. Mask boundary correction in a cone beam imaging system using simplified filtered backprojection image reconstruction
US6078638A (en) * 1998-09-30 2000-06-20 Siemens Corporate Research, Inc. Pixel grouping for filtering cone beam detector data during 3D image reconstruction
US6130930A (en) * 1999-03-22 2000-10-10 Siemens Corporate Research, Inc. Exact region of interest cone beam imaging without circle scans
US6333960B1 (en) 1999-03-22 2001-12-25 Siemens Corporate Research, Inc. Exact region of interest cone beam imaging without circle scans
US6574297B2 (en) 2001-10-30 2003-06-03 Siemens Corporate Research, Inc. System and method for image reconstruction in a cone beam imaging system
JP3911415B2 (ja) * 2001-12-26 2007-05-09 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 Ｘ線ｃｔ装置
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
CA2608119A1 (en) 2005-05-11 2006-11-16 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
PL2753920T3 (pl) 2011-09-07 2018-09-28 Rapiscan Systems, Inc. System badania rentgenowskiego integrujący dane manifestu z przetwarzaniem obrazowania/detekcji
CN104732502A (zh) * 2015-02-12 2015-06-24 杭州电子科技大学 一种基于格林函数的图像局部重建方法
GB2595986A (en) 2016-02-22 2021-12-15 Rapiscan Systems Inc Systems and methods for detecting threats and contraband in cargo

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5390112A (en) * 1993-10-04 1995-02-14 General Electric Company Three-dimensional computerized tomography scanning method and system for imaging large objects with smaller area detectors
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
US5390111A (en) * 1993-11-12 1995-02-14 General Electric Company Method and system for processing cone beam data for reconstructing free of boundary-induced artifacts a three dimensional computerized tomography image
US5640436A (en) * 1995-01-26 1997-06-17 Hitachi Medical Corporation Method and apparatus for X-ray computed tomography

Also Published As

Publication number Publication date
DE69732560T2 (de) 2005-07-28
JPH10201751A (ja) 1998-08-04
EP0849711A2 (de) 1998-06-24
US5748697A (en) 1998-05-05
EP0849711A3 (de) 2000-08-16
EP0849711B1 (de) 2005-02-23

Similar Documents

Publication Publication Date Title
DE69731116D1 (de) Verfahren und vorrichtung zur energiegewinnung
DE69822687D1 (de) Vorrichtung und Verfahren zur Zusammenfassung
DE69630589D1 (de) Verfahren und vorrichtung zur plasmaerzeugung
DE69829777D1 (de) Verfahren und vorrichtung zur klassifizierung hochliegender objekte
DE69930560D1 (de) Verfahren und Vorrichtung zur Mustererkennung
DE69637310D1 (de) Vorrichtung und Verfahren zur Teilchentrennung
DE69941662D1 (de) Verfahren und Vorrichtung zur automatischen Netzkonfiguration
DE69830782D1 (de) Verfahren und Vorrichtung zur Korrektur des optischen Proximity-Effekts
DE69926195D1 (de) Vorrichtung und Verfahren zur Bildgebung
DE69724711D1 (de) Verfahren und Vorrichtung zur optischen Inspektion
DE59708571D1 (de) Verfahren und vorrichtung zur durchführung von optischen aufnahmen
DE69532853D1 (de) Verfahren und vorrichtung zur mikrowellen-plasmaerzeugung
DE69936687D1 (de) Vorrichtung und Verfahren zur Mehrfachbelichtung
DE69831886D1 (de) Verfahren und Vorrichtung zur Bildsignalumsetzung
DE69924896D1 (de) Vorrichtung und Verfahren zur Schallbildlokalisierung
DE69833584D1 (de) Vorrichtung und Verfahren zum Empfang von optischen Burstsignalen
DE69725288D1 (de) Verfahren und vorrichtung zur dampfverteilung
DE69509836D1 (de) Verfahren und Vorrichtung zur Lufttrennung
DE50007073D1 (de) Verfahren und vorrichtung zur strahlformung
DE69604001D1 (de) Verfahren und Vorrichtung zur optischen Verstärkung
DE69837503D1 (de) Vorrichtung und Verfahren zur Prüfung von optischen Anordnungen
DE59601862D1 (de) Verfahren und Vorrichtung zur Elektrolyse
DE69737129D1 (de) Verfahren und Vorrichtung zur Bildqualitätskontrolle
DE69928852D1 (de) Vorrichtung und Verfahren zur Unterstützung der Programmierung
DE69942553D1 (de) Vorrichtung und Verfahren zur Zeitmessung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: MAIER, D., DIPL.-ING. UNIV., PAT.-ASS., 85221 DACH

8339 Ceased/non-payment of the annual fee