CN102217947B - 获取多能量ct成像数据的系统及方法 - Google Patents

获取多能量ct成像数据的系统及方法 Download PDF

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Publication number
CN102217947B
CN102217947B CN201010625184.2A CN201010625184A CN102217947B CN 102217947 B CN102217947 B CN 102217947B CN 201010625184 A CN201010625184 A CN 201010625184A CN 102217947 B CN102217947 B CN 102217947B
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kvp
data
period
low
energy
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CN102217947A (zh
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N·钱德拉
吴小页
T·L·托思
谢强
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GE Precision Healthcare LLC
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General Electric Co
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    • 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]
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CN201010625184.2A 2010-04-15 2010-12-27 获取多能量ct成像数据的系统及方法 Active CN102217947B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610239910.4A CN105943069B (zh) 2010-04-15 2010-12-27 获取多能量ct成像数据的系统及方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/760,862 US8199875B2 (en) 2009-12-11 2010-04-15 System and method of acquiring multi-energy CT imaging data
US12/760862 2010-04-15

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CN102217947A CN102217947A (zh) 2011-10-19
CN102217947B true CN102217947B (zh) 2016-05-18

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US (2) US8199875B2 (enExample)
EP (1) EP2377468B1 (enExample)
JP (1) JP5763916B2 (enExample)
CN (2) CN102217947B (enExample)

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CN103892859A (zh) * 2012-12-28 2014-07-02 Ge医疗系统环球技术有限公司 基于多模式Scout扫描的CT成像方法和CT系统
JP6325256B2 (ja) * 2013-01-07 2018-05-16 キヤノンメディカルシステムズ株式会社 Ｘ線コンピュータ断層撮影装置及び医用画像処理装置
DE102013206075B4 (de) * 2013-04-05 2021-11-11 Siemens Healthcare Gmbh Verfahren zur Korrektur einer Signalverteilung sowie Verfahren und Tomographiegerät zur Reduktion von Bildartefakten
CN103190926A (zh) * 2013-04-12 2013-07-10 王宝良 X光机立体成像装置及成像方法
GB201308876D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-Ray imaging apparatus and methods
GB201308851D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd Multi-spectral x-ray detection apparatus
GB201308818D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-ray detector apparatus
US8965095B2 (en) * 2013-05-30 2015-02-24 Kabushiki Kaisha Toshiba Noise balance pre-reconstruction data decomposition in spectral CT
DE102013218692B4 (de) 2013-09-18 2022-09-08 Siemens Healthcare Gmbh Detektion von Röntgenstrahlung
US9320481B2 (en) 2014-03-31 2016-04-26 General Electric Company Systems and methods for X-ray imaging
JP6523825B2 (ja) * 2014-07-02 2019-06-05 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置及び画像処理装置
WO2016059527A2 (en) 2014-10-13 2016-04-21 Koninklijke Philips N.V. Spectral imaging
WO2017019554A1 (en) * 2015-07-24 2017-02-02 Photo Diagnostic Systems, Inc. Method and apparatus for performing multi-energy (including dual energy) computed tomography (ct) imaging
CA2998364A1 (en) 2015-09-10 2017-03-16 American Science And Engineering, Inc. Backscatter characterization using interlinearly adaptive electromagnetic x-ray scanning
US10165996B2 (en) * 2015-09-30 2019-01-01 General Electric Company Systems and methods for dual-energy computed tomography imaging
US10646176B2 (en) * 2015-09-30 2020-05-12 General Electric Company Layered radiation detector
US10573030B2 (en) 2017-04-07 2020-02-25 Photo Diagnostic Systems, Inc. Method for artifact reduction using monoenergetic data in computed tomography
WO2020002174A1 (en) * 2018-06-29 2020-01-02 Koninklijke Philips N.V. Imaging system configured to generate non-spectral volumetric image data from a kvp switching multi-energy acquisition
JP7490333B2 (ja) * 2018-12-17 2024-05-27 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び処理プログラム
US11193898B1 (en) 2020-06-01 2021-12-07 American Science And Engineering, Inc. Systems and methods for controlling image contrast in an X-ray system
CN112712572B (zh) * 2021-01-11 2023-10-24 明峰医疗系统股份有限公司 Ct扫描设备的低信号噪声的抑制方法、系统及计算机可读存储介质

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Publication number Publication date
US8363779B2 (en) 2013-01-29
JP2011224341A (ja) 2011-11-10
US20120236984A1 (en) 2012-09-20
EP2377468B1 (en) 2020-04-01
CN105943069B (zh) 2019-07-12
JP5763916B2 (ja) 2015-08-12
CN102217947A (zh) 2011-10-19
CN105943069A (zh) 2016-09-21
EP2377468A1 (en) 2011-10-19
US20110142194A1 (en) 2011-06-16
US8199875B2 (en) 2012-06-12

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