IL134964A0 - Methods and apparatus for artifact compensation with variable angular sampling - Google Patents

Methods and apparatus for artifact compensation with variable angular sampling

Info

Publication number
IL134964A0
IL134964A0 IL13496400A IL13496400A IL134964A0 IL 134964 A0 IL134964 A0 IL 134964A0 IL 13496400 A IL13496400 A IL 13496400A IL 13496400 A IL13496400 A IL 13496400A IL 134964 A0 IL134964 A0 IL 134964A0
Authority
IL
Israel
Prior art keywords
methods
variable angular
angular sampling
artifact compensation
artifact
Prior art date
Application number
IL13496400A
Other languages
English (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 IL134964A0 publication Critical patent/IL134964A0/xx

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]
    • 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)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL13496400A 1999-03-19 2000-03-09 Methods and apparatus for artifact compensation with variable angular sampling IL134964A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/272,708 US6233308B1 (en) 1999-03-19 1999-03-19 Methods and apparatus for artifact compensation with variable angular sampling

Publications (1)

Publication Number Publication Date
IL134964A0 true IL134964A0 (en) 2001-05-20

Family

ID=23040940

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13496400A IL134964A0 (en) 1999-03-19 2000-03-09 Methods and apparatus for artifact compensation with variable angular sampling

Country Status (5)

Country Link
US (1) US6233308B1 (ja)
EP (1) EP1038500B1 (ja)
JP (1) JP4424709B2 (ja)
DE (1) DE60024907T2 (ja)
IL (1) IL134964A0 (ja)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19905974A1 (de) * 1999-02-12 2000-09-07 Siemens Ag Verfahren zur Abtastung eines Untersuchungsobjekts mittels eines CT-Geräts
US6906708B1 (en) * 1999-03-26 2005-06-14 Canon Kabushiki Kaisha Image processing method and apparatus, and storage medium
US6324241B1 (en) * 1999-12-30 2001-11-27 Ge Medical Systems Global Technology Company, Llc Method and apparatus for CT reconstruction
US6426893B1 (en) * 2000-02-17 2002-07-30 Sandisk Corporation Flash eeprom system with simultaneous multiple data sector programming and storage of physical block characteristics in other designated blocks
US6798860B1 (en) 2000-05-17 2004-09-28 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for deconvolving imaging data
US6389097B1 (en) * 2000-12-28 2002-05-14 Ge Medical Systems Global Technology Company, Llc Multi-plate volumetric CT scanner gap compensation method and apparatus
US6463118B2 (en) 2000-12-29 2002-10-08 Ge Medical Systems Global Technology Company, Llc Computed tomography (CT) weighting for high quality image recontruction
US6373920B1 (en) 2001-03-16 2002-04-16 Ge Medical Systems Global Technology Company, Llc Method and apparatus for acquiring CT perfusion images
US6480560B2 (en) 2001-03-16 2002-11-12 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for motion gating using CT projection data
US6421411B1 (en) 2001-05-10 2002-07-16 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for helical image artifact reduction
US6408042B1 (en) 2001-06-15 2002-06-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for cone beam artifact suppression in scanning imaging systems
US6449330B1 (en) 2001-06-28 2002-09-10 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in computed tomographic imaging
US6529576B2 (en) 2001-06-29 2003-03-04 Ge Medical Systems Global Technology Company, Llc Method and apparatus for pitch-adaptive reconstruction in multislice helical computed tomographic systems
US6529574B1 (en) 2001-07-18 2003-03-04 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for FOV-dependent aliasing artifact reduction
US7099503B2 (en) * 2001-09-17 2006-08-29 Ge Medical Systems Global Technology Llc Image reconstruction method and X-ray CT apparatus
US6678346B2 (en) * 2001-10-11 2004-01-13 Ge Medical Systems Global Technology Company Llc Cone-beam CT scanner with image reconstruction using multiple sub-images
US6404842B1 (en) 2001-10-15 2002-06-11 Ge Medical Systems Global Technology Company, Llc Method and apparatus for image reconstruction in twin helical computed tomographic systems
US6654442B2 (en) * 2002-03-29 2003-11-25 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for weighting projection data
US6587537B1 (en) 2002-04-01 2003-07-01 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
US6868138B2 (en) 2002-05-29 2005-03-15 The Regents Of The University Of Michigan Method, processor and computed tomography (CT) machine for generating images utilizing high and low sensitivity data collected from a flat panel detector having an extended dynamic range
US6775347B2 (en) * 2002-05-29 2004-08-10 Ge Medical Systems Global Technology Company Methods and apparatus for reconstructing an image of an object
KR100397553B1 (ko) * 2002-06-20 2003-09-13 (주)메비시스 경사진 연속 단면영상의 볼륨데이터 생성방법
US7813473B2 (en) * 2002-07-23 2010-10-12 General Electric Company Method and apparatus for generating temporally interpolated projections
US7945021B2 (en) * 2002-12-18 2011-05-17 Varian Medical Systems, Inc. Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager
US7278786B2 (en) * 2003-05-06 2007-10-09 Koninklijke Philips Electronics N.V. Method and apparatus for triggering image acquisition in a C-arm system by a rotary encoder
JP4393105B2 (ja) * 2003-05-14 2010-01-06 キヤノン株式会社 放射線撮像装置及びその作動方法
DE10336278A1 (de) * 2003-08-07 2005-03-10 Siemens Ag Verfahren und Vorrichtung zur Abbildung eines Organs
US6944260B2 (en) * 2003-11-11 2005-09-13 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in computed tomography imaging systems
US7639774B2 (en) * 2003-12-23 2009-12-29 General Electric Company Method and apparatus for employing multiple axial-sources
JP4799000B2 (ja) * 2004-01-22 2011-10-19 キヤノン株式会社 Ｘ線撮影装置及びｘ線撮影方法
SE528366C2 (sv) * 2004-02-13 2006-10-31 Sectra Mamea Ab Metod och anordning avseende röntgenbildtagning
US7333587B2 (en) * 2004-02-27 2008-02-19 General Electric Company Method and system for imaging using multiple offset X-ray emission points
US20050201605A1 (en) * 2004-03-11 2005-09-15 Jianying Li Methods and apparatus for CT smoothing to reduce artifacts
US7440602B2 (en) * 2004-11-17 2008-10-21 General Electric Company Methods, apparatus, and software to compensate for failed or degraded components
US7359478B2 (en) * 2004-11-18 2008-04-15 Toshiba Medical Systems Corporation Method for restoring truncated helical cone-beam computed tomography data
US7231014B2 (en) * 2005-02-14 2007-06-12 Varian Medical Systems Technologies, Inc. Multiple mode flat panel X-ray imaging system
DE102005055423A1 (de) * 2005-11-21 2007-05-31 Yxlon International X-Ray Gmbh CT-Verfahren zur Aufnahme von Projektionsdaten
US7653230B2 (en) * 2006-02-21 2010-01-26 General Electric Company Methods and systems for image reconstruction using low noise kernel
US7706499B2 (en) * 2006-08-30 2010-04-27 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7616731B2 (en) * 2006-08-30 2009-11-10 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7835486B2 (en) * 2006-08-30 2010-11-16 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US20080056432A1 (en) * 2006-08-30 2008-03-06 General Electric Company Reconstruction of CT projection data
US7817773B2 (en) * 2007-01-05 2010-10-19 Dexela Limited Variable speed three-dimensional imaging system
US8571171B2 (en) * 2008-12-05 2013-10-29 Helmholtz Zentrum Munchen Deutsches Forschungszentrum Fur Gesundheit Und Umwelt (Gmbh) Reconstructing a tomographic image with reduced artifacts
US8363917B2 (en) * 2009-10-14 2013-01-29 General Electric Company System and method of image artifact reduction in fast kVp switching CT
US9848835B2 (en) * 2010-08-16 2017-12-26 Varian Medical Systems International Ag Variable-speed computed tomography scanning
JP2013081527A (ja) * 2011-10-06 2013-05-09 Toshiba Corp Ｘ線診断装置
DE102012200715B4 (de) * 2012-01-19 2014-06-05 Siemens Aktiengesellschaft Verfahren zur Aufnahme und Darstellung wenigstens zweier 3-D-Subtraktionsbilddatensätze sowie C-Bogen-Röntgenvorrichtung hierfür
CN104510486B (zh) * 2013-09-30 2021-04-20 Ge医疗系统环球技术有限公司 计算机化断层扫描设备及其机架旋转控制装置和方法
CN107981877B (zh) * 2016-10-27 2021-01-05 北京东软医疗设备有限公司 扫描设备的采样方法和采样装置
US10722188B2 (en) * 2017-05-18 2020-07-28 Canon Medical Systems Corporation X-ray CT apparatus
CN108120729B (zh) * 2017-12-28 2024-04-02 清华大学 Ct检查系统和ct成像方法
CN108226195B (zh) * 2017-12-28 2023-10-13 清华大学 Ct检查系统和ct成像方法
CN109833055B (zh) * 2019-01-07 2023-07-04 东软医疗系统股份有限公司 图像重建方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181136A (ja) 1983-03-17 1984-10-15 シーメンス・アクチェンゲゼルシャフト 断層撮影システム
US5228070A (en) 1988-10-20 1993-07-13 Picker International, Inc. Constant image quality CT scanner with variable radiation flux density
JP3583503B2 (ja) 1995-04-13 2004-11-04 株式会社日立メディコ 医療用診断ｃｔ装置
US5828718A (en) * 1996-11-27 1998-10-27 Analogic Corporation Method and apparatus for helical computed tomography scanning with asymmetric detector system
US5848117A (en) * 1996-11-27 1998-12-08 Analogic Corporation Apparatus and method for computed tomography scanning using halfscan reconstruction with asymmetric detector system

Also Published As

Publication number Publication date
US6233308B1 (en) 2001-05-15
DE60024907T2 (de) 2006-08-24
JP2000271112A (ja) 2000-10-03
DE60024907D1 (de) 2006-01-26
EP1038500B1 (en) 2005-12-21
EP1038500A1 (en) 2000-09-27
JP4424709B2 (ja) 2010-03-03

Similar Documents

Publication Publication Date Title
IL134964A0 (en) Methods and apparatus for artifact compensation with variable angular sampling
GB2331936B (en) Apparatus for sampling blood
AU6715400A (en) Aquatic passive sampling device and methods for its use
AU3239800A (en) Method and apparatus for improving access to literature
AU1963101A (en) Device and method for measuring skeletal distraction
HK1043626A1 (zh) 抽取產品香氣樣本的方法及儀器
PL352514A1 (en) Method and apparatus for use with e-mail
AU2084101A (en) Powder sampling method and apparatus
AU6695900A (en) Method and device for welding with compensation for welding shrinkage
GB2360430B (en) Convergence measuring apparatus and method
GB2348786B (en) Demodulation circuit and demodulation method with compensation for sampling offset
GB9918839D0 (en) Sensor devices and analytical methods for their use
AU4408200A (en) Method and apparatus for tomosynthetic imaging
GB2348698B (en) Electro-optic sampling probe and a method for adjusting the same
GB2375976B (en) Methods and apparatus for preventing sample loss
GB2345962B (en) Electro-optic sampling probe
AU3181400A (en) Methods and apparatus for imaging
GB2348825B (en) Methods and apparatus for preventing sample loss
GB9906206D0 (en) Fermentation apparatus
GB2358116B (en) Demodulation circuit and demodulation method with compensation for sampling offset
GB2348380B (en) Sampling apparatus and method of sampling using same
GB9900076D0 (en) Sampling apparatus
GB2348282A8 (en) Electro-optic sampling probe
GB9908746D0 (en) Methods and apparatus for preventing sample loss
HUP9801107A3 (en) Microbiological sampling apparatus

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees