JP5703014B2 - サンプリングレートを低減した２重エネルギー撮像 - Google Patents

サンプリングレートを低減した２重エネルギー撮像 Download PDF

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JP5703014B2
JP5703014B2 JP2010283899A JP2010283899A JP5703014B2 JP 5703014 B2 JP5703014 B2 JP 5703014B2 JP 2010283899 A JP2010283899 A JP 2010283899A JP 2010283899 A JP2010283899 A JP 2010283899A JP 5703014 B2 JP5703014 B2 JP 5703014B2
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JP2011139899A (ja
JP2011139899A5 (enExample
Inventor
シャオイェ・ウー
デイヴィッド・アラン・ランガン
チャン・シー
ロバート・フランクリン・センジグ
ハオ・ライ
ダン・スー
トーマス・マシュー・ベンソン
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General Electric Co
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General Electric Co
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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
    • A61B6/42—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
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2010283899A 2009-12-23 2010-12-21 サンプリングレートを低減した２重エネルギー撮像 Active JP5703014B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28982209P 2009-12-23 2009-12-23
US61/289,822 2009-12-23
US12/962,972 2010-12-08
US12/962,972 US8160206B2 (en) 2009-12-23 2010-12-08 Dual-energy imaging at reduced sample rates

Publications (3)

Publication Number Publication Date
JP2011139899A JP2011139899A (ja) 2011-07-21
JP2011139899A5 JP2011139899A5 (enExample) 2014-02-06
JP5703014B2 true JP5703014B2 (ja) 2015-04-15

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JP2010283899A Active JP5703014B2 (ja) 2009-12-23 2010-12-21 サンプリングレートを低減した２重エネルギー撮像

Country Status (3)

Country Link
US (1) US8160206B2 (enExample)
JP (1) JP5703014B2 (enExample)
NL (1) NL2005892C2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP3195265B1 (en) * 2014-09-15 2018-08-22 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
US9870628B2 (en) 2015-03-18 2018-01-16 Prismatic Sensors Ab Image reconstruction based on energy-resolved image data from a photon-counting multi-bin detector
WO2017019554A1 (en) * 2015-07-24 2017-02-02 Photo Diagnostic Systems, Inc. Method and apparatus for performing multi-energy (including dual energy) computed tomography (ct) imaging
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
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US7876874B2 (en) * 2005-05-18 2011-01-25 Hitachi Medical Corporation Radiographing apparatus and image processing program
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
JP2011139899A (ja) 2011-07-21
US20110150183A1 (en) 2011-06-23
NL2005892A (en) 2011-06-27
NL2005892C2 (en) 2012-12-18
US8160206B2 (en) 2012-04-17

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