JP2009045092A - Ｃｔ撮影装置及びその制御方法 - Google Patents

Ｃｔ撮影装置及びその制御方法 Download PDF

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Publication number
JP2009045092A
JP2009045092A JP2007211058A JP2007211058A JP2009045092A JP 2009045092 A JP2009045092 A JP 2009045092A JP 2007211058 A JP2007211058 A JP 2007211058A JP 2007211058 A JP2007211058 A JP 2007211058A JP 2009045092 A JP2009045092 A JP 2009045092A
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JP
Japan
Prior art keywords
subject
reconstruction
image
tomographic
projection image
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.)
Pending
Application number
JP2007211058A
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English (en)
Japanese (ja)
Other versions
JP2009045092A5 (enExample
Inventor
Tomohiko Matsuura
友彦 松浦
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.)
Canon Inc
Original Assignee
Canon Inc
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.)
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2007211058A priority Critical patent/JP2009045092A/ja
Priority to US12/184,635 priority patent/US8340383B2/en
Publication of JP2009045092A publication Critical patent/JP2009045092A/ja
Publication of JP2009045092A5 publication Critical patent/JP2009045092A5/ja
Pending legal-status Critical Current

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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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture
    • G06T7/41—Analysis of texture based on statistical description of texture

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Pulmonology (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)
  • Probability & Statistics with Applications (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2007211058A 2007-08-13 2007-08-13 Ｃｔ撮影装置及びその制御方法 Pending JP2009045092A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007211058A JP2009045092A (ja) 2007-08-13 2007-08-13 Ｃｔ撮影装置及びその制御方法
US12/184,635 US8340383B2 (en) 2007-08-13 2008-08-01 CT scanner and control method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007211058A JP2009045092A (ja) 2007-08-13 2007-08-13 Ｃｔ撮影装置及びその制御方法

Publications (2)

Publication Number Publication Date
JP2009045092A true JP2009045092A (ja) 2009-03-05
JP2009045092A5 JP2009045092A5 (enExample) 2010-07-29

Family

ID=40363002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007211058A Pending JP2009045092A (ja) 2007-08-13 2007-08-13 Ｃｔ撮影装置及びその制御方法

Country Status (2)

Country Link
US (1) US8340383B2 (enExample)
JP (1) JP2009045092A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106821405A (zh) * 2017-01-23 2017-06-13 深圳先进技术研究院 一种x光机的参数标定方法、装置及系统

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203086A1 (de) * 2012-02-29 2013-08-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Bildverarbeitungsvorrichtung eines computertomographie-systems
DE102012209161A1 (de) * 2012-05-31 2013-12-19 Siemens Aktiengesellschaft Verfahren zur automatischen Berechnung einer Mehrzahl von CT-Bildern
US9691166B2 (en) * 2014-11-07 2017-06-27 Shimadzu Corporation Radiation CT apparatus
JP2018535856A (ja) 2015-11-29 2018-12-06 メイヨ フォンデーシヨン フォー メディカル エジュケーション アンド リサーチ ３ｄプリント用途における品質管理のためのシステムと方法
EP3441004B1 (de) * 2017-08-11 2019-12-11 Siemens Healthcare GmbH Verfahren zur aufnahme eines bilddatensatzes mit einem röntgenbildgebungssystem und röntgenbildgebungssystem
JP7022584B2 (ja) 2017-12-27 2022-02-18 キヤノン株式会社 放射線撮影装置、画像処理装置及び画像判定方法
CN109820531B (zh) * 2019-01-30 2023-04-25 东软医疗系统股份有限公司 一种锥束型ct几何参数的校正方法和装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000083947A (ja) * 1998-08-25 2000-03-28 General Electric Co <Ge> 計算機式断層写真装置
JP2005058758A (ja) * 2003-07-25 2005-03-10 Morita Mfg Co Ltd Ｘ線画像補正方法及び装置
JP2005296340A (ja) * 2004-04-12 2005-10-27 Canon Inc コーンビームｘ線ｃｔ撮影装置とそれを用いた画像取得方法
JP2006288719A (ja) * 2005-04-11 2006-10-26 Morita Mfg Co Ltd Ｘ線ｃｔ撮影方法及び装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700909B1 (fr) 1993-01-27 1995-03-17 Gen Electric Cgr Dispositif et procédé automatique de calibration géométrique d'un système d'imagerie par rayons X.
FR2779853B1 (fr) * 1998-06-11 2000-08-11 Ge Medical Syst Sa Procede de reconstruction d'une image tridimensionnelle d'un objet, en particulier une image tridimensionnelle angiographique
US6325539B1 (en) * 1998-12-31 2001-12-04 General Electric Company Calibration simplification for a computed tomograph system
JP3846577B2 (ja) 2002-07-29 2006-11-15 株式会社島津製作所 コンピュータ断層撮影装置
JP4110074B2 (ja) * 2003-11-05 2008-07-02 キヤノン株式会社 放射線画像処理装置、放射線画像処理方法、プログラム及びコンピュータ可読媒体
US7950849B2 (en) * 2005-11-29 2011-05-31 General Electric Company Method and device for geometry analysis and calibration of volumetric imaging systems
CN100435733C (zh) * 2005-12-31 2008-11-26 清华大学 X-ct扫描系统
EP2049018B1 (en) * 2006-07-31 2015-10-21 Philips Intellectual Property & Standards GmbH Rotational x-ray scan planning system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000083947A (ja) * 1998-08-25 2000-03-28 General Electric Co <Ge> 計算機式断層写真装置
JP2005058758A (ja) * 2003-07-25 2005-03-10 Morita Mfg Co Ltd Ｘ線画像補正方法及び装置
JP2005296340A (ja) * 2004-04-12 2005-10-27 Canon Inc コーンビームｘ線ｃｔ撮影装置とそれを用いた画像取得方法
JP2006288719A (ja) * 2005-04-11 2006-10-26 Morita Mfg Co Ltd Ｘ線ｃｔ撮影方法及び装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106821405A (zh) * 2017-01-23 2017-06-13 深圳先进技术研究院 一种x光机的参数标定方法、装置及系统

Also Published As

Publication number Publication date
US8340383B2 (en) 2012-12-25
US20090046916A1 (en) 2009-02-19

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