CN102846333B - 用于x射线成像中的散射校正的方法和系统 - Google Patents

用于x射线成像中的散射校正的方法和系统 Download PDF

Info

Publication number
CN102846333B
CN102846333B CN201210220584.4A CN201210220584A CN102846333B CN 102846333 B CN102846333 B CN 102846333B CN 201210220584 A CN201210220584 A CN 201210220584A CN 102846333 B CN102846333 B CN 102846333B
Authority
CN
China
Prior art keywords
voxel
volume
image processing
scatter
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
CN201210220584.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN102846333A (zh
Inventor
吴小页
谢强
P.赛纳思
X.刘
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.)
GE Precision Healthcare LLC
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CN102846333A publication Critical patent/CN102846333A/zh
Application granted granted Critical
Publication of CN102846333B publication Critical patent/CN102846333B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A61B6/02Arrangements 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
    • A61B6/483Diagnostic techniques involving scattered radiation
    • 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
    • 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
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5282Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
    • 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
    • A61B6/06Diaphragms
    • 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
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085Cone-beams
    • 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
    • A61B6/4291Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201210220584.4A 2011-06-30 2012-06-29 用于x射线成像中的散射校正的方法和系统 Active CN102846333B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/174,480 US8483471B2 (en) 2011-06-30 2011-06-30 Method and system for scatter correction in X-ray imaging
US13/174,480 2011-06-30
US13/174480 2011-06-30

Publications (2)

Publication Number Publication Date
CN102846333A CN102846333A (zh) 2013-01-02
CN102846333B true CN102846333B (zh) 2016-08-10

Family

ID=47355304

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210220584.4A Active CN102846333B (zh) 2011-06-30 2012-06-29 用于x射线成像中的散射校正的方法和系统

Country Status (4)

Country Link
US (1) US8483471B2 (enExample)
JP (1) JP6066596B2 (enExample)
CN (1) CN102846333B (enExample)
DE (1) DE102012105560A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012073151A2 (en) * 2010-12-01 2012-06-07 Koninklijke Philips Electronics N.V. Diagnostic image features close to artifact sources
DE102013206081B4 (de) * 2013-04-05 2023-08-10 Siemens Healthcare Gmbh Verfahren zur verbesserten Erzeugung und Darstellung von Projektionsaufnahmen mit einer Röntgendurchleuchtungsvorrichtung und Röntgendurchleuchtungsvorrichtung
US9724056B2 (en) * 2013-11-28 2017-08-08 Toshiba Medical Systems Corporation Method and system for spectral computed tomography (CT) with inner ring geometry
CN107019518B (zh) 2016-02-01 2020-07-28 通用电气公司 用于计算机断层扫描中的散射校正的信号处理方法及成像系统
JP2017176297A (ja) * 2016-03-29 2017-10-05 キヤノン株式会社 放射線撮影装置、放射線撮影システム、放射線撮影方法、及びプログラム
US9905953B1 (en) 2016-09-30 2018-02-27 Slobodan Pavlovic High power spring-actuated electrical connector
DE102016221658B4 (de) * 2016-11-04 2024-05-08 Siemens Healthineers Ag Streustrahlungskompensation für ein bildgebendes medizinisches Gerät
WO2018082088A1 (zh) * 2016-11-07 2018-05-11 深圳先进技术研究院 一种用于锥束ct图像散射修正的阻挡光栅优化方法及装置
CN115832744A (zh) * 2018-02-26 2023-03-21 伊顿智能动力有限公司 用于高功率应用的弹簧致动式电连接器
EP3576047A1 (en) * 2018-05-29 2019-12-04 Koninklijke Philips N.V. Scatter correction for x-ray imaging
WO2019237009A1 (en) 2018-06-07 2019-12-12 Royal Precision Products, Llc Electrical connector system with internal spring component
US10799206B2 (en) * 2018-09-28 2020-10-13 General Electric Company System and method for calibrating an imaging system
CN119108838A (zh) 2019-01-15 2024-12-10 伊顿智能动力有限公司 带有内部弹簧部件的屏蔽电连接器系统
DE112020000459T5 (de) 2019-01-21 2021-11-25 Royal Precision Products, Llc Stromverteilungsanordnung mit schraubenlosem sammelschienensystem
WO2021050499A1 (en) 2019-09-09 2021-03-18 Royal Precision Products Llc Connector recording system with readable and recordable indicia
US11721942B2 (en) 2019-09-09 2023-08-08 Eaton Intelligent Power Limited Connector system for a component in a power management system in a motor vehicle
DE112021003303T5 (de) 2020-07-29 2023-05-25 Eaton Intelligent Power Limited Elektrisches verbindungssystem mit zylindrischem klemmenkörper
US12008689B2 (en) 2021-12-03 2024-06-11 Canon Medical Systems Corporation Devices, systems, and methods for deep-learning kernel-based scatter estimation and correction
US12159330B2 (en) * 2022-02-17 2024-12-03 Canon Medical Systems Corporation Event property-dependent point spread function modeling and image reconstruction for PET

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6104777A (en) * 1997-02-17 2000-08-15 Commissariat A L'energie Atomique Process for the correction of scattering in digital X-ray images

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3426677B2 (ja) * 1994-01-27 2003-07-14 株式会社日立メディコ X線ct装置
JP4218908B2 (ja) * 1998-04-24 2009-02-04 株式会社東芝 X線ct装置
US6632020B2 (en) * 2001-10-12 2003-10-14 General Electric Company Method and apparatus for calibrating an imaging system
WO2004067091A1 (en) * 2003-01-30 2004-08-12 Philips Intellectual Property & Standards Gmbh Reconstruction of local patient doses in computed tomography
US6876718B2 (en) 2003-06-27 2005-04-05 Ge Medical Systems Global Technology Company, Llc Scatter correction methods and apparatus
JP2007520300A (ja) * 2004-02-05 2007-07-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ボクセル組織クラスを分散するctにおける高減衰オブジェクトにより生じる画像全体のアーティファクトの縮小
DE102004022332A1 (de) * 2004-05-06 2005-12-08 Siemens Ag Verfahren zur post-rekonstruktiven Korrektur von Aufnahmen eines Computer-Tomographen
DE102004029009A1 (de) 2004-06-16 2006-01-19 Siemens Ag Vorrichtung und Verfahren für die Streustrahlungskorrektur in der Computer-Tomographie
US7471813B2 (en) * 2004-10-01 2008-12-30 Varian Medical Systems International Ag Systems and methods for correction of scatter in images
GB0513922D0 (en) * 2005-07-07 2005-08-17 Hammersmith Imanet Ltd Method od and software for calculating a scatter estimate for tomographic scanning and system for tomographic scanning
US7583780B2 (en) * 2006-06-22 2009-09-01 General Electric Company Systems and methods for improving a resolution of an image
US7760848B2 (en) * 2006-09-08 2010-07-20 General Electric Company Method and system for generating a multi-spectral image of an object
WO2008084352A1 (en) * 2007-01-04 2008-07-17 Koninklijke Philips Electronics N. V. Apparatus, method and computer program for producing a corrected image of a region of interest from acquired projection data
JP2008267913A (ja) * 2007-04-18 2008-11-06 Shimadzu Corp 核医学診断装置およびそれに用いられる診断システム
JP5214942B2 (ja) * 2007-10-02 2013-06-19 東芝メディカルシステムズ株式会社 多管球x線ctにおける散乱線強度分布のスケーリング方法および多管球x線ct装置
JP5052281B2 (ja) * 2007-10-02 2012-10-17 株式会社東芝 X線ctにおける散乱線強度分布の推定方法およびx線ct装置
US20090129539A1 (en) * 2007-11-21 2009-05-21 General Electric Company Computed tomography method and system
US9070181B2 (en) * 2007-12-21 2015-06-30 General Electric Company System and method for extracting features of interest from an image
US9453922B2 (en) * 2008-09-09 2016-09-27 Multi-Magnetics Incorporated System and method for correcting attenuation in hybrid medical imaging
JP5284025B2 (ja) * 2008-09-29 2013-09-11 株式会社東芝 X線コンピュータ断層撮影装置及び画像処理装置
US8260023B2 (en) * 2008-11-26 2012-09-04 General Electric Company Forward projection for the generation of computed tomography images at arbitrary spectra
CN102365061B (zh) * 2009-02-25 2015-06-17 捷迈有限公司 定制矫形植入物和相关方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6104777A (en) * 1997-02-17 2000-08-15 Commissariat A L'energie Atomique Process for the correction of scattering in digital X-ray images

Also Published As

Publication number Publication date
DE102012105560A1 (de) 2013-01-03
CN102846333A (zh) 2013-01-02
JP6066596B2 (ja) 2017-01-25
JP2013013722A (ja) 2013-01-24
US8483471B2 (en) 2013-07-09
US20130004050A1 (en) 2013-01-03

Similar Documents

Publication Publication Date Title
CN102846333B (zh) 用于x射线成像中的散射校正的方法和系统
CN100457039C (zh) X射线散射校正
US10561391B2 (en) Methods and systems for computed tomography
US7372934B2 (en) Method for performing image reconstruction using hybrid computed tomography detectors
CN111317493B (zh) 基于多能量x射线成像单独调整生成虚拟图像数据
US20080063135A1 (en) Method and system for generating a multi-spectral image of an object
US20130202080A1 (en) System and Method for Denoising Medical Images Adaptive to Local Noise
US20050226484A1 (en) Method and apparatus for efficient calculation and use of reconstructed pixel variance in tomography images
JP2010527741A (ja) 画像再構成において利得変動の補正を容易にする方法及びシステム
JP2007135658A (ja) X線ct装置およびx線ct透視装置
CN101583314A (zh) X射线ct装置
CN102270349A (zh) 在没有调节项的情况下对ct 图像的迭代重建
CN103919608A (zh) 来自螺旋重建的定位片
KR101076321B1 (ko) 콘빔 ct 장치에서의 3차원 영상 획득 방법 및 이를 적용한 콘빔 ct 장치
CN101622645B (zh) 用于产生衰减分量的投影系统
US10383589B2 (en) Direct monochromatic image generation for spectral computed tomography
US7747057B2 (en) Methods and apparatus for BIS correction
US10346957B2 (en) Method for image improvement of image data from a dental image generation system
US20220319072A1 (en) Medical image processing apparatus and medical image processing method
US12198234B2 (en) Systems and methods for motion detection in medical images
US11666293B2 (en) Extended field-of-view x-ray imaging using multiple x-ray sources and one or more laterally offset x-ray detectors
US20090116721A1 (en) Method and system for multi-detector-row computed tomography utilizing projection data up-sampling with shift
US7379525B2 (en) Method and system for efficient helical cone-beam reconstruction
CN104700377B (zh) 获得对计算机断层扫描数据进行射束硬化校正的射束硬化校正系数的方法和装置
US8548568B2 (en) Methods and apparatus for motion compensation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20250408

Address after: Wisconsin

Patentee after: Ge precision medical Co.,Ltd.

Country or region after: U.S.A.

Address before: New York, United States

Patentee before: General Electric Co.

Country or region before: U.S.A.