CN111936887A - 用于重建对象的感兴趣区域的谱图像的设备、系统、方法和计算机程序 - Google Patents

用于重建对象的感兴趣区域的谱图像的设备、系统、方法和计算机程序 Download PDF

Info

Publication number
CN111936887A
CN111936887A CN201980020183.4A CN201980020183A CN111936887A CN 111936887 A CN111936887 A CN 111936887A CN 201980020183 A CN201980020183 A CN 201980020183A CN 111936887 A CN111936887 A CN 111936887A
Authority
CN
China
Prior art keywords
detector
value
energy
values
correlation
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201980020183.4A
Other languages
English (en)
Chinese (zh)
Inventor
H·德尔
B·J·布伦德尔
A·特伦
A·索欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips 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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN111936887A publication Critical patent/CN111936887A/zh
Pending legal-status Critical Current

Links

Images

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
    • G01T1/29—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
    • G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/2928—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using solid state detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
CN201980020183.4A 2018-01-19 2019-01-17 用于重建对象的感兴趣区域的谱图像的设备、系统、方法和计算机程序 Pending CN111936887A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18152442.2A EP3514577A1 (en) 2018-01-19 2018-01-19 Apparatus, system, method and computer program for reconstructing a spectral image of a region of interest of an object
EP18152442.2 2018-01-19
PCT/EP2019/051085 WO2019141747A1 (en) 2018-01-19 2019-01-17 Apparatus, system, method and computer program for reconstructing a spectral image of a region of interest of an object

Publications (1)

Publication Number Publication Date
CN111936887A true CN111936887A (zh) 2020-11-13

Family

ID=61027443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980020183.4A Pending CN111936887A (zh) 2018-01-19 2019-01-17 用于重建对象的感兴趣区域的谱图像的设备、系统、方法和计算机程序

Country Status (5)

Country Link
US (1) US11340363B2 (https=)
EP (2) EP3514577A1 (https=)
JP (1) JP7061673B6 (https=)
CN (1) CN111936887A (https=)
WO (1) WO2019141747A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11094058B2 (en) 2015-08-14 2021-08-17 Elucid Bioimaging Inc. Systems and method for computer-aided phenotyping (CAP) using radiologic images
FR3087035B1 (fr) * 2018-10-09 2020-10-30 Commissariat Energie Atomique Procede de correction d'une image spectrale
US11593926B2 (en) * 2021-02-09 2023-02-28 Elucid Bioimaging Inc. Systems and methods for improving soft tissue contrast, multiscale modeling and spectral CT

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101542313A (zh) * 2006-11-21 2009-09-23 皇家飞利浦电子股份有限公司 用于确定探测单元的探测器能量加权函数的设备和方法
CN102160085A (zh) * 2008-09-16 2011-08-17 皇家飞利浦电子股份有限公司 包括针对散射辐射的校正单元的成像装置
WO2012114250A1 (en) * 2011-02-22 2012-08-30 Koninklijke Philips Electronics N.V. Detection apparatus
WO2016071374A1 (en) * 2014-11-06 2016-05-12 Koninklijke Philips N.V. Computed tomography system
WO2016076767A1 (en) * 2014-11-10 2016-05-19 Prismatic Sensors Ab X-ray imaging based on image data from a photon-counting multi bin x-ray detector
US20170004637A1 (en) * 2014-03-26 2017-01-05 Koninklijke Philips N.V. Image generation apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7486764B2 (en) 2007-01-23 2009-02-03 General Electric Company Method and apparatus to reduce charge sharing in pixellated energy discriminating detectors
US8378310B2 (en) 2009-02-11 2013-02-19 Prismatic Sensors Ab Image quality in photon counting-mode detector systems
WO2013089154A1 (ja) * 2011-12-12 2013-06-20 株式会社 日立メディコ Ｘ線ｃｔ装置
US11002865B2 (en) * 2015-11-20 2021-05-11 Koninklijke Philips N.V. Detection values determination system
US10716527B2 (en) * 2017-02-17 2020-07-21 Canon Medical Systems Corporation Combined sinogram- and image-domain material decomposition for spectral computed tomography (CT)

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101542313A (zh) * 2006-11-21 2009-09-23 皇家飞利浦电子股份有限公司 用于确定探测单元的探测器能量加权函数的设备和方法
CN102160085A (zh) * 2008-09-16 2011-08-17 皇家飞利浦电子股份有限公司 包括针对散射辐射的校正单元的成像装置
WO2012114250A1 (en) * 2011-02-22 2012-08-30 Koninklijke Philips Electronics N.V. Detection apparatus
US20170004637A1 (en) * 2014-03-26 2017-01-05 Koninklijke Philips N.V. Image generation apparatus
WO2016071374A1 (en) * 2014-11-06 2016-05-12 Koninklijke Philips N.V. Computed tomography system
WO2016076767A1 (en) * 2014-11-10 2016-05-19 Prismatic Sensors Ab X-ray imaging based on image data from a photon-counting multi bin x-ray detector

Also Published As

Publication number Publication date
JP7061673B6 (ja) 2022-06-06
EP3740790A1 (en) 2020-11-25
EP3514577A1 (en) 2019-07-24
WO2019141747A1 (en) 2019-07-25
US11340363B2 (en) 2022-05-24
JP2021511129A (ja) 2021-05-06
US20200348425A1 (en) 2020-11-05
JP7061673B2 (ja) 2022-04-28

Similar Documents

Publication Publication Date Title
Jakubek Data processing and image reconstruction methods for pixel detectors
US10034646B2 (en) Material decomposition of multi-spectral X-ray projections using neural networks
Taguchi et al. An analytical model of the effects of pulse pileup on the energy spectrum recorded by energy resolved photon counting x‐ray detectors
EP0938250A2 (en) Apparatus and method for dual-energy X-ray imaging
JP7702611B2 (ja) コンピュータ断層撮影における深層学習画像再構成の信頼度表示の決定
US9651506B2 (en) Spectral response effects (SRE) compensation method for photon counting detectors (PCDs)
US12073491B2 (en) Energy weighting of photon counts for conventional imaging
Cammin et al. Evaluation of models of spectral distortions in photon-counting detectors for computed tomography
WO2019235087A1 (ja) 放射線撮影装置、放射線撮影方法およびプログラム
Alvarez Near optimal energy selective x‐ray imaging system performance with simple detectors
Liu et al. Spectral response model for a multibin photon-counting spectral computed tomography detector and its applications
Zhao et al. A unified material decomposition framework for quantitative dual‐and triple‐energy CT imaging
CN116249489A (zh) 涉及x射线成像的方法和系统
WO2016002084A1 (ja) 画像再構成処理方法
Hsieh et al. Improving pulse detection in multibin photon-counting detectors
CN111936887A (zh) 用于重建对象的感兴趣区域的谱图像的设备、系统、方法和计算机程序
CN113507889B (zh) 增强型光谱x射线成像
Faby et al. CT calibration and dose minimization in image-based material decomposition with energy-selective detectors
Jumanazarov et al. Significance of the spectral correction of photon counting detector response in material classification from spectral x-ray CT
Bouwens et al. Image-correction techniques in SPECT
Srivastava et al. Spectral response compensation for photon-counting clinical x-ray CT using sinogram restoration
Yang et al. Development of a Monte Carlo simulation platform for the systematic evaluation of photon-counting detector-based micro-CT
Potop et al. Investigation of the polynomial approach for material decomposition in spectral X-ray tomography using an energy-resolved detector
Herrmann et al. Performance simulation of an x-ray detector for spectral CT with combined Si and Cd [Zn] Te detection layers
Yuan et al. Robust X-ray based material identification using multi-energy sinogram decomposition

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20201113

WD01 Invention patent application deemed withdrawn after publication