DE102012105560A1 - Verfahren und System zur Korrektur der Streuung bei der Röntgenbildgebung - Google Patents

Verfahren und System zur Korrektur der Streuung bei der Röntgenbildgebung Download PDF

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Publication number
DE102012105560A1
DE102012105560A1 DE102012105560A DE102012105560A DE102012105560A1 DE 102012105560 A1 DE102012105560 A1 DE 102012105560A1 DE 102012105560 A DE102012105560 A DE 102012105560A DE 102012105560 A DE102012105560 A DE 102012105560A DE 102012105560 A1 DE102012105560 A1 DE 102012105560A1
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Germany
Prior art keywords
scattering
density
detector
scattering profile
voxels
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Withdrawn
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DE102012105560A
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German (de)
English (en)
Inventor
Xiaoye Wu
Paavana Sainath
Jiang Hsieh
Xin Liu
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General Electric Co
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General Electric Co
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Publication of DE102012105560A1 publication Critical patent/DE102012105560A1/de
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    • 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
    • A61B6/483—Diagnostic techniques involving scattered radiation
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5282—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
    • 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
    • A61B6/06—Diaphragms
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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
    • A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating

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  • 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)
DE102012105560A 2011-06-30 2012-06-26 Verfahren und System zur Korrektur der Streuung bei der Röntgenbildgebung Withdrawn DE102012105560A1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
DE102012105560A1 true DE102012105560A1 (de) 2013-01-03

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Family Applications (1)

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DE102012105560A Withdrawn DE102012105560A1 (de) 2011-06-30 2012-06-26 Verfahren und System zur Korrektur der Streuung bei der Röntgenbildgebung

Country Status (4)

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

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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
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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
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EP3576047A1 (en) * 2018-05-29 2019-12-04 Koninklijke Philips N.V. Scatter correction for x-ray imaging
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US10799206B2 (en) * 2018-09-28 2020-10-13 General Electric Company System and method for calibrating an imaging system
DE112020000424T5 (de) 2019-01-15 2021-09-23 Royal Precision Products, Llc Abgeschirmtes elektrisches steckverbindersystem mit innenliegendem federelement
WO2020154330A1 (en) 2019-01-21 2020-07-30 Royal Precision Products, Llc Power distribution assembly with boltless busbar system
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
WO2022026695A1 (en) 2020-07-29 2022-02-03 Royal Precision Products Llc Connector system including an interlock system
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

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FR2759800B1 (fr) * 1997-02-17 1999-03-26 Commissariat Energie Atomique Procede de correction du flux diffuse dans des images de radiographie numerique
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DE102004022332A1 (de) * 2004-05-06 2005-12-08 Siemens Ag Verfahren zur post-rekonstruktiven Korrektur von Aufnahmen eines Computer-Tomographen
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US7471813B2 (en) * 2004-10-01 2008-12-30 Varian Medical Systems International Ag Systems and methods for correction of scatter in images
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Also Published As

Publication number Publication date
CN102846333B (zh) 2016-08-10
US8483471B2 (en) 2013-07-09
US20130004050A1 (en) 2013-01-03
JP2013013722A (ja) 2013-01-24
JP6066596B2 (ja) 2017-01-25
CN102846333A (zh) 2013-01-02

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