ATE385595T1 - Korrektur der strahlungsaufhärtung und der dämpfung in der coherent scatter computed tomography (csct) - Google Patents

Korrektur der strahlungsaufhärtung und der dämpfung in der coherent scatter computed tomography (csct)

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Publication number
ATE385595T1
ATE385595T1 AT05709011T AT05709011T ATE385595T1 AT E385595 T1 ATE385595 T1 AT E385595T1 AT 05709011 T AT05709011 T AT 05709011T AT 05709011 T AT05709011 T AT 05709011T AT E385595 T1 ATE385595 T1 AT E385595T1
Authority
AT
Austria
Prior art keywords
csct
reconstruction
correction
attenuation
computed tomography
Prior art date
Application number
AT05709011T
Other languages
English (en)
Inventor
Stevendaal Udo Van
Jens-Peter Schlomka
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE385595T1 publication Critical patent/ATE385595T1/de

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1647—Processing of scintigraphic data
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/483—Diagnostic techniques involving scattered radiation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Theoretical Computer Science (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Pulmonology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
AT05709011T 2004-03-17 2005-03-15 Korrektur der strahlungsaufhärtung und der dämpfung in der coherent scatter computed tomography (csct) ATE385595T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04101099 2004-03-17

Publications (1)

Publication Number Publication Date
ATE385595T1 true ATE385595T1 (de) 2008-02-15

Family

ID=34961174

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05709011T ATE385595T1 (de) 2004-03-17 2005-03-15 Korrektur der strahlungsaufhärtung und der dämpfung in der coherent scatter computed tomography (csct)

Country Status (7)

Country Link
US (1) US7453974B2 (de)
EP (1) EP1728215B1 (de)
JP (1) JP2007529738A (de)
CN (1) CN1934590A (de)
AT (1) ATE385595T1 (de)
DE (1) DE602005004653T2 (de)
WO (1) WO2005091225A1 (de)

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WO2011027390A1 (ja) * 2009-09-02 2011-03-10 株式会社島津製作所 放射線撮影装置および画像の取得方法
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US9374565B2 (en) 2014-11-06 2016-06-21 General Electric Company System and method for multi-material correction of image data
CN104605880B (zh) * 2014-12-30 2017-06-16 沈阳东软医疗系统有限公司 一种硬化效应数据的生成方法和装置
JP6545353B2 (ja) * 2015-07-14 2019-07-17 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 変調されたｘ線放射による撮像
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US11058369B2 (en) 2019-11-15 2021-07-13 GE Precision Healthcare LLC Systems and methods for coherent scatter imaging using a segmented photon-counting detector for computed tomography
CN111643104B (zh) * 2020-02-28 2022-03-18 清华大学 Ct散射校正方法及系统
US11166690B2 (en) 2020-03-19 2021-11-09 Accuray, Inc. Noise and artifact reduction for image scatter correction
US12461046B2 (en) 2021-03-04 2025-11-04 Multict Imaging Ltd X-ray computed tomography (CT) scanner
CN113109373B (zh) * 2021-04-14 2022-09-27 中国兵器科学研究院宁波分院 一种面阵工业ct射束硬化校正方法
US11647975B2 (en) 2021-06-04 2023-05-16 Accuray, Inc. Radiotherapy apparatus and methods for treatment and imaging using hybrid MeV-keV, multi-energy data acquisition for enhanced imaging
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US11794039B2 (en) 2021-07-13 2023-10-24 Accuray, Inc. Multimodal radiation apparatus and methods
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CN118202234A (zh) * 2021-09-07 2024-06-14 拉皮斯坎系统股份有限公司 用于扫描系统的显示器中的精确视觉层分离的方法和系统
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Also Published As

Publication number Publication date
US7453974B2 (en) 2008-11-18
EP1728215A1 (de) 2006-12-06
CN1934590A (zh) 2007-03-21
US20070189444A1 (en) 2007-08-16
EP1728215B1 (de) 2008-02-06
WO2005091225A1 (en) 2005-09-29
DE602005004653D1 (de) 2008-03-20
JP2007529738A (ja) 2007-10-25
DE602005004653T2 (de) 2009-01-29

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