IL137107A - שיטות והתקן לפיצוי עבור רעש במערכות הדמייה - Google Patents

שיטות והתקן לפיצוי עבור רעש במערכות הדמייה

Info

Publication number
IL137107A
IL137107A IL13710700A IL13710700A IL137107A IL 137107 A IL137107 A IL 137107A IL 13710700 A IL13710700 A IL 13710700A IL 13710700 A IL13710700 A IL 13710700A IL 137107 A IL137107 A IL 137107A
Authority
IL
Israel
Prior art keywords
data
accordance
channel
detector
primary speed
Prior art date
Application number
IL13710700A
Other languages
English (en)
Other versions
IL137107A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL137107A0 publication Critical patent/IL137107A0/xx
Publication of IL137107A publication Critical patent/IL137107A/he

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL13710700A 1999-07-12 2000-06-30 שיטות והתקן לפיצוי עבור רעש במערכות הדמייה IL137107A (he)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
IL137107A0 IL137107A0 (en) 2001-06-14
IL137107A true IL137107A (he) 2004-01-04

Family

ID=23382246

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13710700A IL137107A (he) 1999-07-12 2000-06-30 שיטות והתקן לפיצוי עבור רעש במערכות הדמייה

Country Status (5)

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

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EP1250776A1 (en) * 1999-10-29 2002-10-23 Forskarpatent i Västsverige 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
CN1236731C (zh) * 2001-11-29 2006-01-18 株式会社东芝 计算机断层摄像装置
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
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
ATE384310T1 (de) * 2004-07-07 2008-02-15 Koninkl Philips Electronics Nv System und verfahren zur korrektur zeitlicher artefakte in tomographischen bildern
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
EP1071044A2 (en) 2001-01-24
EP1071044A3 (en) 2005-08-10
IL137107A0 (en) 2001-06-14
DE60038077D1 (de) 2008-04-03
JP2001054518A (ja) 2001-02-27
US6295331B1 (en) 2001-09-25
EP1071044B1 (en) 2008-02-20
DE60038077T2 (de) 2009-03-05

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