BR0001638B1 - Processo e sistema para gerar dados de projeção em um sistema de tomografia computadorizada. - Google Patents

Processo e sistema para gerar dados de projeção em um sistema de tomografia computadorizada.

Info

Publication number
BR0001638B1
BR0001638B1 BRPI0001638-1A BR0001638A BR0001638B1 BR 0001638 B1 BR0001638 B1 BR 0001638B1 BR 0001638 A BR0001638 A BR 0001638A BR 0001638 B1 BR0001638 B1 BR 0001638B1
Authority
BR
Brazil
Prior art keywords
projection data
computerized tomography
generating projection
tomography system
generating
Prior art date
Application number
BRPI0001638-1A
Other languages
English (en)
Other versions
BR0001638A (pt
Inventor
Peter Michael Edic
Armin Horst Pfoh
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 filed Critical
Publication of BR0001638A publication Critical patent/BR0001638A/pt
Publication of BR0001638B1 publication Critical patent/BR0001638B1/pt

Links

Classifications

    • 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
    • G01N23/046—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 tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
BRPI0001638-1A 1999-04-20 2000-04-18 Processo e sistema para gerar dados de projeção em um sistema de tomografia computadorizada. BR0001638B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/295,481 US6175609B1 (en) 1999-04-20 1999-04-20 Methods and apparatus for scanning an object in a computed tomography system

Publications (2)

Publication Number Publication Date
BR0001638A BR0001638A (pt) 2001-01-02
BR0001638B1 true BR0001638B1 (pt) 2011-11-16

Family

ID=23137906

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0001638-1A BR0001638B1 (pt) 1999-04-20 2000-04-18 Processo e sistema para gerar dados de projeção em um sistema de tomografia computadorizada.

Country Status (6)

Country Link
US (1) US6175609B1 (pt)
EP (1) EP1046903B1 (pt)
JP (1) JP3377496B2 (pt)
BR (1) BR0001638B1 (pt)
DE (1) DE60033723T2 (pt)
SG (1) SG80094A1 (pt)

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US7664223B1 (en) * 2001-02-12 2010-02-16 Sectra Mamea Ab Collimator element
US6687326B1 (en) 2001-04-11 2004-02-03 Analogic Corporation Method of and system for correcting scatter in a computed tomography scanner
DE10201321B4 (de) * 2002-01-15 2011-02-24 Siemens Ag Computertomographie-Gerät und Verfahren mit aktiver Anpassung der Mess-Elektronik
US6879657B2 (en) * 2002-05-10 2005-04-12 Ge Medical Systems Global Technology, Llc Computed tomography system with integrated scatter detectors
US6748047B2 (en) * 2002-05-15 2004-06-08 General Electric Company Scatter correction method for non-stationary X-ray acquisitions
US6956926B2 (en) * 2002-07-23 2005-10-18 General Electric Company Method and apparatus for selecting a reconstruction projection set
US20040019275A1 (en) * 2002-07-23 2004-01-29 Maria Iatrou Method and apparatus for positioning a CT reconstruction window
DE10317679B4 (de) * 2003-04-17 2005-03-31 Bruker Axs Gmbh Röntgen-optische Vorrichtung mit Wobbel-Einrichtung
US6876718B2 (en) * 2003-06-27 2005-04-05 Ge Medical Systems Global Technology Company, Llc Scatter correction methods and apparatus
JP3942178B2 (ja) * 2003-07-29 2007-07-11 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システム
JP3999179B2 (ja) * 2003-09-09 2007-10-31 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 放射線断層撮影装置
JP3961468B2 (ja) * 2003-09-19 2007-08-22 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 放射線計算断層画像装置およびそれに用いる放射線検出器
US8180019B2 (en) * 2003-11-24 2012-05-15 Passport Systems, Inc. Methods and systems for computer tomography of nuclear isotopes using nuclear resonance fluorescence
CA2589047C (en) * 2003-11-24 2014-02-11 Passport Systems, Inc. Adaptive scanning of materials using nuclear resonance fluorescence imaging
JP3950855B2 (ja) * 2004-01-07 2007-08-01 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 散乱測定方法、散乱補正方法およびｘ線ｃｔ装置
CN101287984B (zh) * 2004-07-08 2012-10-31 护照系统公司 用于确定材料的平均原子序数和质量的方法和系统
WO2007086886A2 (en) * 2005-02-22 2007-08-02 Passport Systems, Inc. Material detection with nrf using tunable photon sources
CN101788687B (zh) * 2005-11-09 2012-12-05 护照系统公司 货物和货品的主动非侵入性验证和分析的方法
JP4586987B2 (ja) * 2005-11-24 2010-11-24 株式会社島津製作所 Ｘ線ｃｔ装置
JP2007333509A (ja) * 2006-06-14 2007-12-27 Hitachi Engineering & Services Co Ltd 放射線を用いた断層撮影装置及び断層撮影方法
US7539283B2 (en) * 2007-01-17 2009-05-26 Ge Homeland Protection, Inc. Combined computed tomography and nuclear resonance fluorescence cargo inspection system and method
US8184767B2 (en) * 2008-12-10 2012-05-22 General Electric Company Imaging system and method with scatter correction
US8121249B2 (en) * 2009-06-04 2012-02-21 Virginia Tech Intellectual Properties, Inc. Multi-parameter X-ray computed tomography
US8483351B2 (en) 2009-10-28 2013-07-09 Virginia Tech Intellectual Properties, Inc. Cardiac computed tomography methods and systems using fast exact/quasi-exact filtered back projection algorithms
ES2714867T3 (es) 2014-05-19 2019-05-30 3Shape As Un sistema radiográfico y un método para reducir el difuminado de movimiento y dispersar la radiación
EP3265789B1 (en) * 2015-03-06 2019-12-25 GE Sensing & Inspection Technologies GmbH Imaging system and method with scatter correction
EP3558124A4 (en) * 2016-12-20 2020-08-12 Shenzhen Xpectvision Technology Co., Ltd. IMAGE SENSORS WITH X-RAY DETECTORS
EP3675741A4 (en) * 2017-08-31 2020-09-09 Shanghai United Imaging Healthcare Co., Ltd. FOCAL CT POINT DETERMINATION METHOD AND SYSTEM
US10948428B2 (en) 2018-05-25 2021-03-16 Delavan Inc. Reducing scatter for computed tomography
JP7178204B2 (ja) * 2018-08-08 2022-11-25 セメス株式会社 Ｘ線検査装置、ｘ線検査方法
JP7187408B2 (ja) * 2019-09-06 2022-12-12 富士フイルム株式会社 トモシンセシス撮影装置
US11141128B2 (en) 2019-12-13 2021-10-12 General Electric Company Systems and methods for focal spot motion detection and correction
US11698349B2 (en) * 2020-10-09 2023-07-11 Baker Hughes Oilfield Operations Llc Scatter correction for computed tomography imaging
US11662321B2 (en) * 2020-10-09 2023-05-30 Baker Hughes Oilfield Operations Llc Scatter correction for computed tomography imaging
WO2022109870A1 (en) * 2020-11-25 2022-06-02 Shenzhen Xpectvision Technology Co., Ltd. Imaging methods using an image sensor with multiple radiation detectors

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FR2372618A1 (fr) * 1976-12-02 1978-06-30 Emi Ltd Dispositif de collimation pour rayons penetrants et application a la tomographie axiale
US4691332A (en) * 1983-03-14 1987-09-01 American Science And Engineering, Inc. High energy computed tomography
DE3316003A1 (de) * 1983-05-03 1984-11-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur beseitigung von streustrahlung
US4707608A (en) * 1985-04-10 1987-11-17 University Of North Carolina At Chapel Hill Kinestatic charge detection using synchronous displacement of detecting device
JPS61249452A (ja) * 1985-04-30 1986-11-06 株式会社東芝 Ｘ線診断装置
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
JPH0763464B2 (ja) * 1986-05-07 1995-07-12 株式会社東芝 Ｘ線ｃｔ装置
US5144141A (en) 1991-08-19 1992-09-01 General Electric Company Photodetector scintillator radiation imager
US5231655A (en) 1991-12-06 1993-07-27 General Electric Company X-ray collimator
US5231654A (en) 1991-12-06 1993-07-27 General Electric Company Radiation imager collimator
US5430298A (en) 1994-06-21 1995-07-04 General Electric Company CT array with improved photosensor linearity and reduced crosstalk

Also Published As

Publication number Publication date
DE60033723T2 (de) 2007-11-29
EP1046903B1 (en) 2007-03-07
US6175609B1 (en) 2001-01-16
DE60033723D1 (de) 2007-04-19
JP2000321221A (ja) 2000-11-24
EP1046903A2 (en) 2000-10-25
BR0001638A (pt) 2001-01-02
EP1046903A3 (en) 2003-01-22
JP3377496B2 (ja) 2003-02-17
SG80094A1 (en) 2001-04-17

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 16/11/2011, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 15A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2308 DE 31-03-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.