JP5657658B2 - 放射線画像システム用拡張型低コントラスト検出能 - Google Patents

放射線画像システム用拡張型低コントラスト検出能 Download PDF

Info

Publication number
JP5657658B2
JP5657658B2 JP2012520629A JP2012520629A JP5657658B2 JP 5657658 B2 JP5657658 B2 JP 5657658B2 JP 2012520629 A JP2012520629 A JP 2012520629A JP 2012520629 A JP2012520629 A JP 2012520629A JP 5657658 B2 JP5657658 B2 JP 5657658B2
Authority
JP
Japan
Prior art keywords
contrast
protocol
index
item
exlcd
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
JP2012520629A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012533337A (ja
Inventor
ピー．ローラー デイヴィッド
ピー．ローラー デイヴィッド
エイチ．アイゼン スティーヴン
エイチ．アイゼン スティーヴン
エル．トス トーマス
エル．トス トーマス
ケイ．マニエダス アージャン
ケイ．マニエダス アージャン
イー．デカント トーマス
イー．デカント トーマス
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JP2012533337A publication Critical patent/JP2012533337A/ja
Application granted granted Critical
Publication of JP5657658B2 publication Critical patent/JP5657658B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2012520629A 2009-07-17 2010-07-16 放射線画像システム用拡張型低コントラスト検出能 Active JP5657658B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US27115009P 2009-07-17 2009-07-17
US61/271,150 2009-07-17
US27895409P 2009-10-14 2009-10-14
US61/278,954 2009-10-14
PCT/US2010/002006 WO2011008296A1 (en) 2009-07-17 2010-07-16 Extended low contrast detectability for radiographic imaging systems

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2014239040A Division JP5834129B2 (ja) 2009-07-17 2014-11-26 放射線画像システム用拡張型低コントラスト検出能

Publications (2)

Publication Number Publication Date
JP2012533337A JP2012533337A (ja) 2012-12-27
JP5657658B2 true JP5657658B2 (ja) 2015-01-21

Family

ID=43449653

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2012520629A Active JP5657658B2 (ja) 2009-07-17 2010-07-16 放射線画像システム用拡張型低コントラスト検出能
JP2014239040A Active JP5834129B2 (ja) 2009-07-17 2014-11-26 放射線画像システム用拡張型低コントラスト検出能

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2014239040A Active JP5834129B2 (ja) 2009-07-17 2014-11-26 放射線画像システム用拡張型低コントラスト検出能

Country Status (8)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140072108A1 (en) * 2010-07-16 2014-03-13 David P. Rohler Methods and apparatus for extended low contrast detectability for radiographic imaging systems
WO2013049818A1 (en) * 2011-09-30 2013-04-04 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
CN104768468B (zh) * 2012-11-30 2018-01-05 株式会社日立制作所 X射线ct装置以及其断层图像拍摄方法
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 (en) * 2013-04-02 2014-10-09 The Regents Of The University Of California Thermoplastic 3-d phantom
US10706506B2 (en) 2013-04-10 2020-07-07 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
WO2018118844A1 (en) * 2016-12-20 2018-06-28 Mayo Foundation For Medical Education And Research System and method for correcting imaging system measurement bias from non-stationary noise in model 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
JP7520035B2 (ja) * 2020-04-21 2024-07-22 中国原子能科学研究院 セグメント式γ走査測定システムに対する透過源属性特性の評価方法
US20230320689A1 (en) * 2022-04-04 2023-10-12 Modus Medical Devices Inc. Deformable image registration phantom
US12471876B2 (en) * 2022-04-04 2025-11-18 Modus Medical Devices Inc. Deformable image registration phantom comprising a housing, an outer cylinder, a parallel eccentric inner cylinder rotatably mounted within the outer cylinder, a ball and socket mount, and a target mounted to the housing
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

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP5232473B2 (ja) * 2004-11-24 2013-07-10 メドラッド インコーポレーテッド 注入処理中に生成される圧力をモデル化するためのシステム及び装置
CN101128153B (zh) * 2005-02-25 2010-09-29 株式会社日立医药 X射线ct设备
WO2006106941A2 (ja) * 2005-04-04 2006-10-12 Hitachi Medical Corp Ｘ線ｃｔ装置
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
EP2022402A1 (en) * 2006-05-25 2009-02-11 Hitachi Medical Corporation X-ray ct apparatus
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
WO2010044774A1 (en) * 2008-10-14 2010-04-22 Analogic Corporation Radiation modulation in a security examination apparatus

Also Published As

Publication number Publication date
IL217566A (en) 2016-06-30
CA2768296C (en) 2018-08-07
CA2768296A1 (en) 2011-01-20
JP2015061642A (ja) 2015-04-02
CN102498438A (zh) 2012-06-13
EP2454634A1 (en) 2012-05-23
JP2012533337A (ja) 2012-12-27
US20120230576A1 (en) 2012-09-13
IL217566A0 (en) 2012-02-29
WO2011008296A1 (en) 2011-01-20
JP5834129B2 (ja) 2015-12-16
EP2454634A4 (en) 2014-03-12
CN102498438B (zh) 2014-11-26
US8891849B2 (en) 2014-11-18
IN2012DN00519A (enExample) 2015-08-21

Similar Documents

Publication Publication Date Title
JP5657658B2 (ja) 放射線画像システム用拡張型低コントラスト検出能
US11957501B2 (en) Methods and apparatus for extended low contrast detectability for radiographic imaging systems
Zarb et al. Image quality assessment tools for optimization of CT images
JP4309760B2 (ja) Ｘ線撮影検査法における密度および原子番号の分布を求める方法
US6904118B2 (en) Method and apparatus for generating a density map using dual-energy CT
Malkus et al. A method to extract image noise level from patient images in CT
US8023617B2 (en) Method and device for quality management in mammography apparatus
CN104939848B (zh) 单色图像的生成
Monnin et al. Optimal slice thickness for object detection with longitudinal partial volume effects in computed tomography
CN101044985A (zh) 检测对象软组织中化学异常和/或奇特之处的方法和装置
Kim et al. Impact of radiation dose and iterative reconstruction on pulmonary nodule measurements at chest CT: a phantom study
Green et al. Design and implementation of a practical quality control program for dual‐energy CT
US6904120B2 (en) Method and apparatus for correcting bone induced spectral artifacts
Neitzel Management of pediatric radiation dose using Philips digital radiography
Arnold et al. Peak SNR in automated coronary calcium scoring: Selecting CT scan parameters and statistically defined scoring thresholds a
Brindhaban Size‐specific dose estimates calculated using patient size measurements from scanned projection radiograph in high‐resolution chest computed tomography
Shiotsuki et al. Accuracy and lower limits for iodine quantification in dual-energy CT with deep learning reconstruction
Benítez et al. Development of a quality control program for a cone beam CT imaging system
Racine et al. Task-based assessment of impact of multiplanar reformations on objective image quality in iterative reconstruction in computed tomography
Brown et al. PROCESSING THE DIGITISED RADIOGRAPHIC IMAGE: CAN DECISION AIDING RANGES BE USED AS AN ALTERNATIVE TO ROC CURVES
McKenney Computed Tomography Dose and Image Quality Characterization Using Real-Time Dosimeter Measurements
Staff The improvement of spect images using scatter correction techniques
Ren et al. On he c ndi i ning f ec al channeli ain (ene g binning) and i im ac nml i-ma e ial dec mifflin ba ed ec al imaging in h nc n ing CT

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20130712

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140116

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140311

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140610

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20141028

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20141126

R150 Certificate of patent or registration of utility model

Ref document number: 5657658

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250