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 (fr)

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 (fr) 2009-07-17 2010-07-16 Détectabilité à faible contraste étendue pour systèmes d'imagerie radiographiques

Publications (1)

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

Family

ID=43449653

Family Applications (1)

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

Country Status (8)

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

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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
AU2012315530A1 (en) * 2011-09-30 2014-04-17 Cincinnati Children's Hospital Medical Center Method for consistent and verifiable optimization of computed tomography (CT) radiation dose
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
JP6218334B2 (ja) * 2012-11-30 2017-10-25 株式会社日立製作所 Ｘ線ｃｔ装置及びその断層画像撮影方法
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 (fr) * 2013-04-02 2014-10-09 The Regents Of The University Of California Fantôme tridimensionnel thermoplastique
CN105144241B (zh) * 2013-04-10 2020-09-01 皇家飞利浦有限公司 图像质量指数和/或基于其的成像参数推荐
US9848846B2 (en) 2013-08-05 2017-12-26 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
WO2018118844A1 (fr) * 2016-12-20 2018-06-28 Mayo Foundation For Medical Education And Research Système et procédé de correction du biais de mesure de système d'imagerie d'un bruit non stationnaire dans des observateurs modèles
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 (fr) * 2017-06-28 2020-01-15 OptiNav Sp. z o.o. Détermination d'informations géométriques autour d'un agencement de traitement médical comprenant une unité de source de rayonnement de traitement rotatif
EP3311744B1 (fr) * 2017-07-12 2020-02-26 Siemens Healthcare GmbH Détermination de wed déclenché par location en direction tête/pied
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
US11933744B2 (en) * 2020-04-21 2024-03-19 China Institute Of Atomic Energy Method for characterizing property characteristic of transmission source of segmented γ scanning measurement system
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
US7925330B2 (en) * 2004-11-24 2011-04-12 Medrad, Inc. Devices, systems and methods for determining parameters of one or more phases of an injection procedure
CN101128153B (zh) * 2005-02-25 2010-09-29 株式会社日立医药 X射线ct设备
EP1875865A4 (fr) * 2005-04-04 2009-12-02 Hitachi Medical Corp Tomodensitometre assiste par ordinateur
JP2007021021A (ja) * 2005-07-20 2007-02-01 Ge Medical Systems Global Technology Co Llc 画像処理装置およびｘ線ｃｔ装置
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
WO2007138979A1 (fr) * 2006-05-25 2007-12-06 Hitachi Medical Corporation appareil CT À RAYONS X
JP4729519B2 (ja) * 2007-03-09 2011-07-20 ゼネラル・エレクトリック・カンパニイ 器官に基づく放射線プロファイル設定を設けた放射線撮像の方法及びシステム
JP4909188B2 (ja) * 2007-06-20 2012-04-04 株式会社日立メディコ Ｘ線ｃｔ装置
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
US20090127451A1 (en) * 2007-11-16 2009-05-21 Siemens Medical Solutions Usa, Inc. Devices and Methods for Calibrating Nuclear Medical and Radiological Images
US9121957B2 (en) * 2008-10-14 2015-09-01 Analogic Corporation Radiation modulation in a security examination apparatus

Also Published As

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

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