CN109195526B - X射线成像系统和定量成像方法及其计算单元 - Google Patents

X射线成像系统和定量成像方法及其计算单元 Download PDF

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CN109195526B
CN109195526B CN201780033712.5A CN201780033712A CN109195526B CN 109195526 B CN109195526 B CN 109195526B CN 201780033712 A CN201780033712 A CN 201780033712A CN 109195526 B CN109195526 B CN 109195526B
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image data
spectral image
spectral
spatial frequency
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CN109195526A (zh
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J·E·弗雷登贝里
K·E·L·贝里格伦
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Koninklijke Philips NV
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61B6/02—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
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    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
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    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • A—HUMAN NECESSITIES
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    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/025—Tomosynthesis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61B6/502—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 breast, i.e. mammography
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    • G01N2223/40—Imaging
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    • G01N2223/00—Investigating materials by wave or particle radiation
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CN201780033712.5A 2016-06-07 2017-05-31 X射线成像系统和定量成像方法及其计算单元 Expired - Fee Related CN109195526B (zh)

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PCT/EP2017/063079 WO2017211625A1 (en) 2016-06-07 2017-05-31 Improved precision and resolution of quantitative imaging by combining spectral and non-spectral material decomposition

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EP3429474B1 (en) 2019-07-10
US10561378B2 (en) 2020-02-18
JP6894928B2 (ja) 2021-06-30
CN109195526A (zh) 2019-01-11
WO2017211625A1 (en) 2017-12-14
EP3429474A1 (en) 2019-01-23
JP2019520885A (ja) 2019-07-25
US20190159741A1 (en) 2019-05-30

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