CN106471393B - 用于光子计数应用的谱材料分解 - Google Patents

用于光子计数应用的谱材料分解 Download PDF

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CN106471393B
CN106471393B CN201580034995.6A CN201580034995A CN106471393B CN 106471393 B CN106471393 B CN 106471393B CN 201580034995 A CN201580034995 A CN 201580034995A CN 106471393 B CN106471393 B CN 106471393B
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pulse
signal model
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detector
photon
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CN106471393A (zh
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E·勒斯尔
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Koninklijke Philips NV
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    • 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
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • 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
    • A61B6/02—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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic 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
    • A61B6/42—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
    • A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
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  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201580034995.6A 2014-06-27 2015-06-25 用于光子计数应用的谱材料分解 Active CN106471393B (zh)

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EP14174799 2014-06-27
EP14174799.8 2014-06-27
PCT/EP2015/064447 WO2015197786A1 (en) 2014-06-27 2015-06-25 Spectral material decomposition for photon-counting applications

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CN106471393B true CN106471393B (zh) 2019-11-26

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EP (1) EP3160351B1 (https=)
JP (1) JP6708561B2 (https=)
CN (1) CN106471393B (https=)
WO (1) WO2015197786A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6894928B2 (ja) * 2016-06-07 2021-06-30 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． スペクトル及び非スペクトル物質分解を組み合わせることによる定量的撮像の精度及び分解能の向上
EP3479145B1 (en) 2016-06-29 2022-01-26 Koninklijke Philips N.V. Photon-counting computed tomography
AU2018202912B1 (en) * 2018-04-27 2019-06-20 Southern Innovation International Pty Ltd Input count rate estimation in radiation pulse detectors
US10928527B2 (en) 2018-11-09 2021-02-23 Redlen Technologies, Inc. Charge sharing correction methods for pixelated radiation detector arrays
US10679385B1 (en) * 2018-12-17 2020-06-09 General Electric Company System and method for statistical iterative reconstruction and material decomposition
EP3942337B1 (en) * 2019-03-22 2026-03-04 Southern Innovation International Pty Ltd Radiation detection with non-parametric decompounding of pulse pile-up
EP3842839A1 (en) * 2019-12-27 2021-06-30 Koninklijke Philips N.V. Compensation of polarization effects in photon counting detectors
CN113282867B (zh) * 2020-02-19 2025-01-10 清华大学 放射性核素的辐射剂量率的预测方法、装置、设备及介质
CN113569404A (zh) * 2021-07-23 2021-10-29 扬州大学 一种基于Geant4平台仿真精确获取相衬成像参数的方法
US12102471B2 (en) * 2022-04-14 2024-10-01 Canon Medical Systems Corporation Iterative method for material decomposition calibration in a full size photon counting computed tomography system
CN115483981B (zh) * 2022-08-30 2025-09-23 中国工商银行股份有限公司 光子响应信号处理方法及装置
WO2024130309A1 (en) * 2022-12-22 2024-06-27 Southern Innovation International Pty Ltd Input count rate measurement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101561507A (zh) * 2009-05-21 2009-10-21 清华大学 射线探测器的射线能量检测方法
CN101680956A (zh) * 2007-06-19 2010-03-24 皇家飞利浦电子股份有限公司 用于多谱光子计数读出电路的数字脉冲处理
CN101680954A (zh) * 2007-06-01 2010-03-24 皇家飞利浦电子股份有限公司 谱光子计数探测器
CN102073059A (zh) * 2010-12-31 2011-05-25 华中科技大学 一种数字化pileup波形处理方法及系统
US20120305784A1 (en) * 2011-06-03 2012-12-06 Toshiba Medical Systems Corporation Count rate adaptive filter for medical imaging systems
CN103765244A (zh) * 2011-08-30 2014-04-30 皇家飞利浦有限公司 光子计数探测器

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6973158B2 (en) * 2003-06-25 2005-12-06 Besson Guy M Multi-target X-ray tube for dynamic multi-spectral limited-angle CT imaging
US8076646B2 (en) * 2004-06-28 2011-12-13 Siemens Medical Solutions Usa, Inc. Burst-mode readout for solid state radiation detectors using partitioned pipeline architecture
US7599465B2 (en) * 2004-11-19 2009-10-06 General Electric Company Detection of thrombi in CT using energy discrimination
US20070076842A1 (en) * 2005-09-30 2007-04-05 Tkaczyk John E Adaptable energy discriminating computed tomography system
US7208739B1 (en) * 2005-11-30 2007-04-24 General Electric Company Method and apparatus for correction of pileup and charge sharing in x-ray images with energy resolution
JP5498787B2 (ja) * 2006-08-15 2014-05-21 コーニンクレッカ フィリップス エヌ ヴェ エネルギー感受性コンピュータ断層撮影における動き補償
JP5581333B2 (ja) * 2008-12-18 2014-08-27 サザン イノヴェーション インターナショナル プロプライアトリー リミテッド 数学的変換を使用することによってパイルアップされたパルスを分離する方法および装置
US8378310B2 (en) * 2009-02-11 2013-02-19 Prismatic Sensors Ab Image quality in photon counting-mode detector systems
US8198577B2 (en) * 2009-02-25 2012-06-12 Caeleste Cvba High dynamic range analog X-ray photon counting
JP5480741B2 (ja) 2010-07-26 2014-04-23 ミネベア株式会社 面対向型レゾルバのインシュレータおよび面対向型レゾルバ
WO2012029496A1 (ja) * 2010-09-02 2012-03-08 株式会社日立製作所 放射線計測装置
JP5198546B2 (ja) 2010-12-03 2013-05-15 株式会社日立ハイテクノロジーズ 回路パターン検査方法、及び回路パターン検査システム
EP2710413B1 (en) * 2011-05-17 2016-12-14 Services Pétroliers Schlumberger High throughput pulse height analyzer
US9057798B2 (en) 2011-11-07 2015-06-16 Pgs Geophysical As Adjustable sensor streamer stretch section for noise control for geophysical sensor streamers
WO2013188957A1 (en) * 2012-06-18 2013-12-27 University Health Network Method and system for compressed sensing image reconstruction
EP2867702B1 (en) 2012-06-27 2020-03-25 Koninklijke Philips N.V. Spectral photon counting detector
US9651506B2 (en) * 2013-01-31 2017-05-16 The Johns Hopkins University Spectral response effects (SRE) compensation method for photon counting detectors (PCDs)
US9155516B2 (en) * 2013-02-19 2015-10-13 Kabushiki Kaisha Toshiba Apparatus and method for count loss calibration of photon-counting detectors in spectral computed tomography imaging
US9128194B2 (en) * 2013-04-19 2015-09-08 Kabushiki Kaisha Toshiba Pileup correction method for a photon-counting detector
DE102013218692B4 (de) * 2013-09-18 2022-09-08 Siemens Healthcare Gmbh Detektion von Röntgenstrahlung
US9488739B2 (en) * 2013-12-18 2016-11-08 The Board Of Trustees Of The Leland Stanford Junior University Spectral imaging system and method
US9220469B2 (en) * 2013-12-31 2015-12-29 General Electric Company Systems and methods for correcting detector errors in computed tomography imaging
JP6178272B2 (ja) * 2014-03-24 2017-08-09 株式会社東芝 放射線計測装置、および放射線計測プログラム
EP3129957B1 (en) * 2014-04-07 2019-06-12 Prismatic Sensors AB Spectral x-ray imaging
US10145968B2 (en) * 2014-05-12 2018-12-04 Purdue Research Foundation Linear fitting of multi-threshold counting data
US9508165B1 (en) * 2015-06-30 2016-11-29 General Electric Company Systems and methods for peak tracking and gain adjustment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101680954A (zh) * 2007-06-01 2010-03-24 皇家飞利浦电子股份有限公司 谱光子计数探测器
CN101680956A (zh) * 2007-06-19 2010-03-24 皇家飞利浦电子股份有限公司 用于多谱光子计数读出电路的数字脉冲处理
CN101561507A (zh) * 2009-05-21 2009-10-21 清华大学 射线探测器的射线能量检测方法
CN102073059A (zh) * 2010-12-31 2011-05-25 华中科技大学 一种数字化pileup波形处理方法及系统
US20120305784A1 (en) * 2011-06-03 2012-12-06 Toshiba Medical Systems Corporation Count rate adaptive filter for medical imaging systems
CN103765244A (zh) * 2011-08-30 2014-04-30 皇家飞利浦有限公司 光子计数探测器

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A FOURIER APPROACH FOR THE LEVEL CROSSINGS OF SHOT NOISE PROCESSES WITH JUMPS;HERMINE BIERMÉ et al;《JOURNAL OF APPLIDE PROBABILITY》;20130302;第49卷(第1期);第100-113页 *
Towards in vivo K-edge imaging using a new semi-analytical calibration method;SCHIRRA CARSTEN et al;《SPIE Medical Imaging》;20140319;第9033卷;第1-9页 *

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US20170100085A1 (en) 2017-04-13
JP2017528688A (ja) 2017-09-28
WO2015197786A1 (en) 2015-12-30
CN106471393A (zh) 2017-03-01
EP3160351B1 (en) 2020-12-09
JP6708561B2 (ja) 2020-06-10
US11020070B2 (en) 2021-06-01
EP3160351A1 (en) 2017-05-03

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