DE60038077D1 - Verfahren und Vorrichtung zur Geräuschkompensation in Abbildungssystemen - Google Patents

Verfahren und Vorrichtung zur Geräuschkompensation in Abbildungssystemen

Info

Publication number
DE60038077D1
DE60038077D1 DE60038077T DE60038077T DE60038077D1 DE 60038077 D1 DE60038077 D1 DE 60038077D1 DE 60038077 T DE60038077 T DE 60038077T DE 60038077 T DE60038077 T DE 60038077T DE 60038077 D1 DE60038077 D1 DE 60038077D1
Authority
DE
Germany
Prior art keywords
imaging systems
noise compensation
compensation
noise
imaging
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
DE60038077T
Other languages
English (en)
Other versions
DE60038077T2 (de
Inventor
Jiang Hsieh
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 DE60038077D1 publication Critical patent/DE60038077D1/de
Application granted granted Critical
Publication of DE60038077T2 publication Critical patent/DE60038077T2/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
DE60038077T 1999-07-12 2000-07-12 Verfahren und Vorrichtung zur Geräuschkompensation in Abbildungssystemen Expired - Fee Related DE60038077T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US351757 1989-05-15
US09/351,757 US6295331B1 (en) 1999-07-12 1999-07-12 Methods and apparatus for noise compensation in imaging systems

Publications (2)

Publication Number Publication Date
DE60038077D1 true DE60038077D1 (de) 2008-04-03
DE60038077T2 DE60038077T2 (de) 2009-03-05

Family

ID=23382246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038077T Expired - Fee Related DE60038077T2 (de) 1999-07-12 2000-07-12 Verfahren und Vorrichtung zur Geräuschkompensation in Abbildungssystemen

Country Status (5)

Country Link
US (1) US6295331B1 (de)
EP (1) EP1071044B1 (de)
JP (1) JP2001054518A (de)
DE (1) DE60038077T2 (de)
IL (1) IL137107A (de)

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AU1321801A (en) * 1999-10-29 2001-05-08 Forskarpatent I Vastsverige Ab Method and arrangements for congestion control in packet networks using thresholds and demoting of packet flows
DE19957083B4 (de) * 1999-11-28 2004-11-18 Siemens Ag Verfahren zur Untersuchung eines eine periodische Bewegung ausführenden Körperbereichs
US6366638B1 (en) * 2001-03-16 2002-04-02 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for CT scout image processing
US6535572B2 (en) * 2001-06-15 2003-03-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for compensating computed tomographic channel ganging artifacts
JP2003061945A (ja) * 2001-08-30 2003-03-04 Hitachi Medical Corp Ｘ線ｃｔ装置
US6687327B2 (en) 2001-11-15 2004-02-03 Ge Medical Systems Global Technology Co., Llc System and method of medical imaging having task and/or patient size dependent processing
US6885764B2 (en) * 2001-11-21 2005-04-26 Ge Medical Systems Global Technology Company, Llc High Speed Z-smoothing method and apparatus for CT imaging system
JP4551612B2 (ja) * 2001-11-29 2010-09-29 株式会社東芝 コンピュータ断層撮影装置
US6922457B2 (en) * 2001-11-29 2005-07-26 Kabushiki Kaisha Toshiba Computer tomography apparatus
US7356115B2 (en) 2002-12-04 2008-04-08 Varian Medical Systems Technology, Inc. Radiation scanning units including a movable platform
US6979826B2 (en) * 2002-07-29 2005-12-27 Ge Medical Systems Global Technology Company Llc Scintillator geometry for enhanced radiation detection and reduced error sensitivity
US7672426B2 (en) * 2002-12-04 2010-03-02 Varian Medical Systems, Inc. Radiation scanning units with reduced detector requirements
DE10258662A1 (de) * 2002-12-13 2004-07-08 Forschungszentrum Jülich GmbH Verfahren und Vorrichtung zur digitalen Bildverarbeitung von CMOS-Kamerabildern
US20040184643A1 (en) * 2003-03-21 2004-09-23 Stantchev Gueorgui H. Methods and apparatus for imaging
JP4483223B2 (ja) * 2003-08-08 2010-06-16 株式会社島津製作所 放射線撮像装置および放射線検出信号処理方法
US20050084147A1 (en) * 2003-10-20 2005-04-21 Groszmann Daniel E. Method and apparatus for image reconstruction with projection images acquired in a non-circular arc
US20050201605A1 (en) * 2004-03-11 2005-09-15 Jianying Li Methods and apparatus for CT smoothing to reduce artifacts
US20050226365A1 (en) * 2004-03-30 2005-10-13 Kabushiki Kaisha Toshiba Radius-in-image dependent detector row filtering for windmill artifact reduction
US7668361B2 (en) * 2004-07-07 2010-02-23 Koninklijke Philips Electronics N.V. System and method for the correction of temporal artifacts in tomographic images
US7660481B2 (en) * 2005-11-17 2010-02-09 Vital Images, Inc. Image enhancement using anisotropic noise filtering
JP5579639B2 (ja) * 2011-02-26 2014-08-27 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 画像処理装置およびプログラム並びに画像診断装置
CN105612433B (zh) * 2013-10-11 2019-11-29 模拟技术公司 层析x射线照相合成成像
DE102016218955B4 (de) * 2016-09-30 2019-02-14 Siemens Healthcare Gmbh Optimiertes Magnetresonanz-Schichtmultiplexing-Verfahren
KR20190118075A (ko) * 2018-04-09 2019-10-17 삼성전자주식회사 단층 촬영 장치 및 그에 따른 단층 영상 처리 방법
CN110559001B (zh) * 2019-09-03 2020-10-09 明峰医疗系统股份有限公司 一种ct扫描仪散焦辐射强度分布测量方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249123A (en) * 1991-11-25 1993-09-28 General Electric Company Compensation of computed tomography data for detector afterglow
US5359638A (en) 1992-03-30 1994-10-25 General Electric Company Method for recursive filtering residual afterglow from previous computed tomography scans
US5644610A (en) * 1996-06-27 1997-07-01 Analogic Corporation Multi-processor afterglow artifact correction filter for use with computed tomography scanners
US5907593A (en) * 1997-11-26 1999-05-25 General Electric Company Image reconstruction in a CT fluoroscopy system
DE19853143C2 (de) * 1998-11-18 2000-09-07 Vamp Verfahren Und Apparate De Computertomograph mit reduzierter Dosisbelastung bzw. reduziertem Bildpunktrauschen

Also Published As

Publication number Publication date
EP1071044B1 (de) 2008-02-20
US6295331B1 (en) 2001-09-25
IL137107A (en) 2004-01-04
EP1071044A3 (de) 2005-08-10
IL137107A0 (en) 2001-06-14
DE60038077T2 (de) 2009-03-05
EP1071044A2 (de) 2001-01-24
JP2001054518A (ja) 2001-02-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee