IN2012DN00519A - - Google Patents

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Publication number
IN2012DN00519A
IN2012DN00519A IN519DEN2012A IN2012DN00519A IN 2012DN00519 A IN2012DN00519 A IN 2012DN00519A IN 519DEN2012 A IN519DEN2012 A IN 519DEN2012A IN 2012DN00519 A IN2012DN00519 A IN 2012DN00519A
Authority
IN
India
Prior art keywords
contrast
index
imaging system
methods
radiographic imaging
Prior art date
Application number
Other languages
English (en)
Inventor
David P Rohler
Steven H Izen
Thomas L Toth
Arjun K Maniyedath
Thomas E Dechant
Original Assignee
David P Rohler
Steven H Izen
Thomas L Toth
Arjun K Maniyedath
Thomas E Dechant
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 David P Rohler, Steven H Izen, Thomas L Toth, Arjun K Maniyedath, Thomas E Dechant filed Critical David P Rohler
Publication of IN2012DN00519A publication Critical patent/IN2012DN00519A/en

Links

Classifications

    • 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
    • A61B6/02—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
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5252—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data removing objects from field of view, e.g. removing patient table from a CT image
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/545—Control of apparatus or devices for radiation diagnosis involving automatic set-up of acquisition parameters
    • 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
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • 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
    • A61B6/587—Alignment of source unit to detector unit
    • 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
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IN519DEN2012 2009-07-17 2010-07-16 IN2012DN00519A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US27115009P 2009-07-17 2009-07-17
US27895409P 2009-10-14 2009-10-14
PCT/US2010/002006 WO2011008296A1 (en) 2009-07-17 2010-07-16 Extended low contrast detectability for radiographic imaging systems

Publications (1)

Publication Number Publication Date
IN2012DN00519A true IN2012DN00519A (enrdf_load_stackoverflow) 2015-08-21

Family

ID=43449653

Family Applications (1)

Application Number Title Priority Date Filing Date
IN519DEN2012 IN2012DN00519A (enrdf_load_stackoverflow) 2009-07-17 2010-07-16

Country Status (8)

Country Link
US (1) US8891849B2 (enrdf_load_stackoverflow)
EP (1) EP2454634A4 (enrdf_load_stackoverflow)
JP (2) JP5657658B2 (enrdf_load_stackoverflow)
CN (1) CN102498438B (enrdf_load_stackoverflow)
CA (1) CA2768296C (enrdf_load_stackoverflow)
IL (1) IL217566A (enrdf_load_stackoverflow)
IN (1) IN2012DN00519A (enrdf_load_stackoverflow)
WO (1) WO2011008296A1 (enrdf_load_stackoverflow)

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US20140072108A1 (en) * 2010-07-16 2014-03-13 David P. Rohler Methods and apparatus for extended low contrast detectability for radiographic imaging systems
KR20140082721A (ko) * 2011-09-30 2014-07-02 칠드런즈 호스피탈 메디칼 센터 컴퓨팅 토모그래피(ct) 방사선 선량에 대한 일관되고 검증가능한 최적화 방법
CN102631211B (zh) * 2012-04-13 2013-07-24 鄢铃 一种cr/dr综合检测模体
JP5844296B2 (ja) * 2012-06-11 2016-01-13 富士フイルム株式会社 放射線画像処理装置および方法
US9592023B2 (en) * 2012-11-30 2017-03-14 Hitachi, Ltd X-ray CT apparatus and tomography method
US20150356258A1 (en) * 2013-01-24 2015-12-10 The Research Foundation For The State University Of New York Real-time national radiation dose database and monitoring radiation dosages using this database
WO2014165611A1 (en) * 2013-04-02 2014-10-09 The Regents Of The University Of California Thermoplastic 3-d phantom
WO2014167463A2 (en) * 2013-04-10 2014-10-16 Koninklijke Philips N.V. Image quality index and/or imaging parameter recommendation based thereon
WO2015020981A2 (en) 2013-08-05 2015-02-12 Cedars-Sinai Medical Center Systems and methods for determining radiation dose in computed tomography scans
JP6395504B2 (ja) * 2014-08-20 2018-09-26 キヤノン株式会社 放射線撮影装置の評価方法、及び評価方法に用いるファントム
KR102393294B1 (ko) * 2014-09-26 2022-05-03 삼성전자주식회사 의료 영상 장치 및 의료 영상 장치의 제어 방법
US9619889B2 (en) * 2014-10-21 2017-04-11 General Electric Company Methods and systems for normalizing contrast across multiple acquisitions
US9848847B2 (en) * 2015-04-07 2017-12-26 Toshiba Medical Systems Corporation Using detectability index to determine X-ray tube current
US9895130B2 (en) * 2015-11-19 2018-02-20 General Electric Company Water equivalent diameter determination from scout images
US10492755B2 (en) * 2016-07-13 2019-12-03 Carestream Health, Inc. Calibration phantom comprising a reflectance calibration target and a plurality of radio-opaque markers
US11058392B2 (en) * 2016-12-20 2021-07-13 Mayo Foundation For Medical Education And Research System and method for correcting bias in measurements in an imaging system from non-stationary noise in channelized hotelling observers
JP6125126B1 (ja) * 2017-01-18 2017-05-10 典人 畠山 Ｘ線撮影条件補正方法、プログラム、及び、ｘ線システム
EP3421086B1 (en) * 2017-06-28 2020-01-15 OptiNav Sp. z o.o. Determination of geometrical information about a medical treatment arrangement comprising a rotatable treatment radiation source unit
EP3311744B1 (de) * 2017-07-12 2020-02-26 Siemens Healthcare GmbH In kopf-fuss-richtung ortsaufgelöste wed-ermittlung
US10973489B2 (en) * 2017-09-29 2021-04-13 General Electric Company CT imaging system and method using a task-based image quality metric to achieve a desired image quality
US10426424B2 (en) 2017-11-21 2019-10-01 General Electric Company System and method for generating and performing imaging protocol simulations
WO2021212309A1 (zh) * 2020-04-21 2021-10-28 中国原子能科学研究院 对分段γ扫描测量系统的透射源属性特征的表征方法
US20240041421A1 (en) * 2022-04-04 2024-02-08 Modus Medical Devices Inc. Deformable image registration phantom
WO2023193096A1 (en) * 2022-04-04 2023-10-12 Modus Medical Devices Inc. Deformable image registration phantom
CN116269466B (zh) * 2023-05-10 2023-08-18 吉林大学 一种ct低对比可探测能力自动检测计算方法

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US6222907B1 (en) * 1999-07-12 2001-04-24 General Electric Company Image quality optimization using an X-ray model based optimization
JP5162065B2 (ja) * 2001-07-09 2013-03-13 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔシステム
JP4393090B2 (ja) * 2002-07-19 2010-01-06 東芝医用システムエンジニアリング株式会社 Ｘ線コンピュータ断層撮影装置
US6829323B2 (en) * 2002-07-29 2004-12-07 Ge Medical Systems Global Technology Company, Llc Method and system for low dose image simulation for imaging systems
US6990171B2 (en) * 2003-10-27 2006-01-24 General Electric Company System and method of determining a user-defined region-of-interest of an imaging subject for x-ray flux management control
US7356174B2 (en) * 2004-05-07 2008-04-08 General Electric Company Contraband detection system and method using variance data
JP2006055635A (ja) * 2004-07-23 2006-03-02 Toshiba Corp Ｘ線コンピュータ断層撮影装置
US7209536B2 (en) * 2004-11-19 2007-04-24 General Electric Company CT colonography system
HUE034171T2 (en) * 2004-11-24 2018-02-28 Bayer Healthcare Llc Tools, systems and procedures for fluid transfer
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US20070076842A1 (en) * 2005-09-30 2007-04-05 Tkaczyk John E Adaptable energy discriminating computed tomography system
US7280635B2 (en) * 2005-12-01 2007-10-09 Thomas Louis Toth Processes and apparatus for managing low kVp selection and dose reduction and providing increased contrast enhancement in non-destructive imaging
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JP2009090014A (ja) * 2007-10-11 2009-04-30 Ibaraki Prefecture Ｘ線ｃｔ装置の疾患描出能評価用ファントムおよびそれを用いたｘ線ｃｔ装置の疾患描出能の評価方法
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Also Published As

Publication number Publication date
IL217566A (en) 2016-06-30
EP2454634A1 (en) 2012-05-23
US8891849B2 (en) 2014-11-18
CA2768296C (en) 2018-08-07
JP2015061642A (ja) 2015-04-02
CN102498438B (zh) 2014-11-26
JP5657658B2 (ja) 2015-01-21
WO2011008296A1 (en) 2011-01-20
JP5834129B2 (ja) 2015-12-16
US20120230576A1 (en) 2012-09-13
JP2012533337A (ja) 2012-12-27
EP2454634A4 (en) 2014-03-12
CN102498438A (zh) 2012-06-13
IL217566A0 (en) 2012-02-29
CA2768296A1 (en) 2011-01-20

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