CN107072626B - 谱投影扩展 - Google Patents

谱投影扩展 Download PDF

Info

Publication number
CN107072626B
CN107072626B CN201580050516.XA CN201580050516A CN107072626B CN 107072626 B CN107072626 B CN 107072626B CN 201580050516 A CN201580050516 A CN 201580050516A CN 107072626 B CN107072626 B CN 107072626B
Authority
CN
China
Prior art keywords
spectral
projections
absorption
effective
detector
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.)
Active
Application number
CN201580050516.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN107072626A (zh
Inventor
D·舍费尔
M·格拉斯
T·克勒
R·普罗克绍
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 CN107072626A publication Critical patent/CN107072626A/zh
Application granted granted Critical
Publication of CN107072626B publication Critical patent/CN107072626B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48Diagnostic techniques
    • A61B6/482Diagnostic techniques involving multiple energy imaging
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
CN201580050516.XA 2014-09-19 2015-09-16 谱投影扩展 Active CN107072626B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462052506P 2014-09-19 2014-09-19
US62/052,506 2014-09-19
PCT/IB2015/057119 WO2016042491A1 (en) 2014-09-19 2015-09-16 Spectral projection extension

Publications (2)

Publication Number Publication Date
CN107072626A CN107072626A (zh) 2017-08-18
CN107072626B true CN107072626B (zh) 2020-10-27

Family

ID=54325012

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580050516.XA Active CN107072626B (zh) 2014-09-19 2015-09-16 谱投影扩展

Country Status (5)

Country Link
US (1) US10736590B2 (enExample)
EP (1) EP3193721B1 (enExample)
JP (1) JP6479967B2 (enExample)
CN (1) CN107072626B (enExample)
WO (1) WO2016042491A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3193721B1 (en) * 2014-09-19 2018-11-21 Koninklijke Philips N.V. Spectral projection extension
JP6956626B2 (ja) * 2017-01-24 2021-11-02 キヤノンメディカルシステムズ株式会社 X線ct装置及び再構成処理装置
JP7370989B2 (ja) * 2018-01-31 2023-10-30 コーニンクレッカ フィリップス エヌ ヴェ スペクトルボリューム画像データを生成するように構成された非スペクトルコンピュータ断層撮影(ct)スキャナ
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
WO2021163662A1 (en) * 2020-02-14 2021-08-19 Mayo Foundation For Medical Education And Research Ultra-fast-pitch acquisition and reconstruction in helical computed tomography
CN111631741B (zh) * 2020-05-29 2023-06-06 上海联影医疗科技股份有限公司 图像截断伪影校正方法、装置、设备和存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1985765A (zh) * 2005-12-22 2007-06-27 通用电气公司 利用混合的计算机断层摄影检测器来执行图像重构的方法
CN101501730A (zh) * 2006-08-15 2009-08-05 皇家飞利浦电子股份有限公司 能量敏感计算机断层摄影中的运动补偿
WO2010136911A1 (en) * 2009-05-28 2010-12-02 Koninklijke Philips Electronics, N.V. Multi-detector array imaging system
CN102361587A (zh) * 2009-03-24 2012-02-22 皇家飞利浦电子股份有限公司 心脏静息和应激成像中的心脏分割
CN103384498A (zh) * 2011-02-22 2013-11-06 皇家飞利浦有限公司 探测装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7272429B2 (en) * 2002-11-27 2007-09-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for facilitating a reduction in artifacts
US7105828B2 (en) * 2004-02-10 2006-09-12 Ge Medical Systems Global Technology Company, Llc Hybrid x-ray detector
US7359478B2 (en) 2004-11-18 2008-04-15 Toshiba Medical Systems Corporation Method for restoring truncated helical cone-beam computed tomography data
US20070205367A1 (en) 2006-03-01 2007-09-06 General Electric Company Apparatus and method for hybrid computed tomography imaging
US7466793B2 (en) 2006-10-26 2008-12-16 General Electric Company Distinct incident energy spectra detection
US7433443B1 (en) 2007-08-29 2008-10-07 General Electric Company System and method of CT imaging with second tube/detector patching
US7636638B2 (en) 2007-11-27 2009-12-22 Canberra Industries, Inc. Hybrid radiation detection system
US7995702B2 (en) * 2009-08-25 2011-08-09 General Electric Company System and method of data interpolation in fast kVp switching dual energy CT
CN103339657B (zh) * 2011-02-01 2016-08-31 皇家飞利浦有限公司 用于双能量ct图像重建的方法和系统
JP6546201B2 (ja) * 2014-06-04 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. オブジェクトの画像を生成するイメージングシステム
EP3193721B1 (en) * 2014-09-19 2018-11-21 Koninklijke Philips N.V. Spectral projection extension

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1985765A (zh) * 2005-12-22 2007-06-27 通用电气公司 利用混合的计算机断层摄影检测器来执行图像重构的方法
CN101501730A (zh) * 2006-08-15 2009-08-05 皇家飞利浦电子股份有限公司 能量敏感计算机断层摄影中的运动补偿
CN102361587A (zh) * 2009-03-24 2012-02-22 皇家飞利浦电子股份有限公司 心脏静息和应激成像中的心脏分割
WO2010136911A1 (en) * 2009-05-28 2010-12-02 Koninklijke Philips Electronics, N.V. Multi-detector array imaging system
CN103384498A (zh) * 2011-02-22 2013-11-06 皇家飞利浦有限公司 探测装置

Also Published As

Publication number Publication date
WO2016042491A1 (en) 2016-03-24
CN107072626A (zh) 2017-08-18
EP3193721B1 (en) 2018-11-21
US20170273647A1 (en) 2017-09-28
EP3193721A1 (en) 2017-07-26
JP6479967B2 (ja) 2019-03-06
JP2017528244A (ja) 2017-09-28
US10736590B2 (en) 2020-08-11

Similar Documents

Publication Publication Date Title
CN107072626B (zh) 谱投影扩展
JP5937093B2 (ja) 低線量ctノイズを除去するためのシステム及び方法
US9662084B2 (en) Method and apparatus for iteratively reconstructing tomographic images from electrocardiographic-gated projection data
US8712134B2 (en) Method and system for expanding axial coverage in iterative reconstruction in computer tomography (CT)
US9980686B2 (en) Hybrid (spectral/non-spectral) imaging detector array and corresponding processing electronics
CN103959097B (zh) 包括用于探测x射线辐射的两个闪烁体的探测装置
CN105188547A (zh) 光子计数探测器校准
US20170340304A1 (en) Apparatus and method for registration and reprojection-based material decomposition for spectrally resolved computed tomography
WO2012123845A1 (en) Likelihood-based spectral data projection domain de-noising
CN101309643A (zh) 将x射线管光谱用于计算机断层摄影应用的系统和方法
US8199879B2 (en) Methods of scatter correction of x-ray projection data 1
CN101622645B (zh) 用于产生衰减分量的投影系统
US10984564B2 (en) Image noise estimation using alternating negation
JP2016538945A (ja) 画像データ処理
CN113811247B (zh) 基于3d预扫描体积图像数据的协议相关的2d预扫描投影图像的系统及方法
US20200342639A1 (en) Single ct backprojector with one geometry calculation per voxel for multiple different types of projection data
US20190274653A1 (en) Method and apparatus for artifact reduction for joint region in step and shoot computed tomography
JP7442455B2 (ja) 分光イメージングデータからの分光炎症マップ
JP2019024747A (ja) X線ct装置、画像生成方法および画像生成プログラム
Kong et al. Evaluation of an analytic reconstruction method as a platform for spectral cone-beam CT
US12239472B2 (en) Systems and methods for controlling scatter in computed tomography data
Zheng et al. Improved image resolution on thoracic carcinomas by quantitative 18F-FDG coincidence SPECT/CT in comparison to 18F-FDG PET/CT

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
GR01 Patent grant
GR01 Patent grant