NL2005892C2 - Dual-energy imaging at reduced sample rates. - Google Patents

Dual-energy imaging at reduced sample rates. Download PDF

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Publication number
NL2005892C2
NL2005892C2 NL2005892A NL2005892A NL2005892C2 NL 2005892 C2 NL2005892 C2 NL 2005892C2 NL 2005892 A NL2005892 A NL 2005892A NL 2005892 A NL2005892 A NL 2005892A NL 2005892 C2 NL2005892 C2 NL 2005892C2
Authority
NL
Netherlands
Prior art keywords
kvp
image
projection data
images
low
Prior art date
Application number
NL2005892A
Other languages
English (en)
Dutch (nl)
Other versions
NL2005892A (en
Inventor
Xiaoye Wu
David Allen Langan
Jiang Hsieh
Robert Franklin Senzig
Dan Xu
Thomas Matthew Benson
Hao Lai
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NL2005892A publication Critical patent/NL2005892A/en
Application granted granted Critical
Publication of NL2005892C2 publication Critical patent/NL2005892C2/en

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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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • A61B6/40—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
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NL2005892A 2009-12-23 2010-12-22 Dual-energy imaging at reduced sample rates. NL2005892C2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28982209P 2009-12-23 2009-12-23
US28982209 2009-12-23
US96297210 2010-12-08
US12/962,972 US8160206B2 (en) 2009-12-23 2010-12-08 Dual-energy imaging at reduced sample rates

Publications (2)

Publication Number Publication Date
NL2005892A NL2005892A (en) 2011-06-27
NL2005892C2 true NL2005892C2 (en) 2012-12-18

Family

ID=44151119

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2005892A NL2005892C2 (en) 2009-12-23 2010-12-22 Dual-energy imaging at reduced sample rates.

Country Status (3)

Country Link
US (1) US8160206B2 (cg-RX-API-DMAC10.html)
JP (1) JP5703014B2 (cg-RX-API-DMAC10.html)
NL (1) NL2005892C2 (cg-RX-API-DMAC10.html)

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CN103308535B (zh) * 2012-03-09 2016-04-13 同方威视技术股份有限公司 用于射线扫描成像的设备和方法
KR102025753B1 (ko) 2012-09-21 2019-09-26 삼성전자주식회사 객체 정보 추정 장치 및 동작 방법
CN103892859A (zh) * 2012-12-28 2014-07-02 Ge医疗系统环球技术有限公司 基于多模式Scout扫描的CT成像方法和CT系统
CN104240270B (zh) * 2013-06-14 2017-12-05 同方威视技术股份有限公司 Ct成像方法和系统
JP6482934B2 (ja) * 2014-06-03 2019-03-13 キヤノンメディカルシステムズ株式会社 画像処理装置、放射線検出装置および画像処理方法
US10451568B2 (en) * 2014-08-22 2019-10-22 Canon Medical Systems Corporation Photon counting X-ray CT apparatus
US9959640B2 (en) * 2014-09-15 2018-05-01 Koninklijke Philips N.V. Iterative image reconstruction with a sharpness driven regularization parameter
KR101725099B1 (ko) * 2014-12-05 2017-04-26 삼성전자주식회사 컴퓨터 단층 촬영장치 및 그 제어방법
JP6875989B2 (ja) * 2015-01-20 2021-05-26 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 画像データセグメンテーション及び表示
US9913622B2 (en) 2015-02-23 2018-03-13 Toshiba Medical Systems Corporation X-ray CT apparatus and image processing device
KR20170129842A (ko) * 2015-03-18 2017-11-27 프리스매틱 센서즈 에이비 광자-계수 멀티 빈 검출기로부터의 에너지 분해 영상 데이터에 기반한 영상 재구성 (image reconstruction based on energy-resolved image data from a photon-counting multi bin detector)
JP7015781B2 (ja) * 2015-07-24 2022-02-03 フォト・ダイアグノスティック・システムズ，インコーポレイテッド 多重エネルギー（二重エネルギーを含む）コンピュータ断層撮影（ｃｔ）イメージングを行うための方法および装置
CN105139353B (zh) * 2015-08-14 2018-01-09 河南师范大学 一种置换混叠图像的盲分离方法
US10165996B2 (en) * 2015-09-30 2019-01-01 General Electric Company Systems and methods for dual-energy computed tomography imaging
US10403006B2 (en) * 2016-08-26 2019-09-03 General Electric Company Guided filter for multiple level energy computed tomography (CT)
DE102017200032A1 (de) * 2017-01-03 2018-07-05 Siemens Healthcare Gmbh Reduktion der Anzahl spektraler Kanäle in der Multi-Energie-CT-Bildgebung
US10573030B2 (en) 2017-04-07 2020-02-25 Photo Diagnostic Systems, Inc. Method for artifact reduction using monoenergetic data in computed tomography
US10757355B2 (en) * 2018-07-30 2020-08-25 Tower Semiconductors Ltd. Image sensor module and a method for sensing
JP7195961B2 (ja) * 2019-02-08 2022-12-26 キヤノンメディカルシステムズ株式会社 医用処理装置、ｘ線ｃｔシステム及び処理プログラム
JP2024161991A (ja) * 2023-05-09 2024-11-21 富士フイルム株式会社 フォトンカウンティングｃｔ装置および物質分解方法
CN116916166B (zh) * 2023-09-12 2023-11-17 湖南湘银河传感科技有限公司 一种基于ai图像解析的遥测终端机

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* Cited by examiner, † Cited by third party
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JP4854137B2 (ja) * 2001-06-21 2012-01-18 株式会社東芝 医用画像診断装置
US7272429B2 (en) * 2002-11-27 2007-09-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for facilitating a reduction in artifacts
DE102004022332A1 (de) * 2004-05-06 2005-12-08 Siemens Ag Verfahren zur post-rekonstruktiven Korrektur von Aufnahmen eines Computer-Tomographen
US7382853B2 (en) * 2004-11-24 2008-06-03 General Electric Company Method and system of CT data correction
US7391844B2 (en) * 2005-01-14 2008-06-24 General Electric Company Method and apparatus for correcting for beam hardening in CT images
EP1882449A4 (en) * 2005-05-18 2010-05-05 Hitachi Medical Corp RADIOGRAPHY DEVICE AND IMAGE PROCESSING PROGRAM
JP5042465B2 (ja) * 2005-05-18 2012-10-03 株式会社日立メディコ 放射線撮影装置、画像処理方法
US7372934B2 (en) * 2005-12-22 2008-05-13 General Electric Company Method for performing image reconstruction using hybrid computed tomography detectors
US7298812B2 (en) * 2006-03-31 2007-11-20 General Electric Company Image-based material decomposition
US7760848B2 (en) * 2006-09-08 2010-07-20 General Electric Company Method and system for generating a multi-spectral image of an object
JP5106978B2 (ja) * 2007-10-15 2012-12-26 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装置
US7801265B2 (en) * 2007-11-23 2010-09-21 Mayo Foundation For Medical Education And Research System and method for creating mixed image from dual-energy CT data

Also Published As

Publication number Publication date
NL2005892A (en) 2011-06-27
US20110150183A1 (en) 2011-06-23
US8160206B2 (en) 2012-04-17
JP5703014B2 (ja) 2015-04-15
JP2011139899A (ja) 2011-07-21

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Legal Events

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Owner name: GE PRECISION HEALTHCARE LLC; US

Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), ASSIGNMENT; FORMER OWNER NAME: GENERAL ELECTRIC COMPANY

Effective date: 20250604