JP2003126080A5 - - Google Patents

Download PDF

Info

Publication number
JP2003126080A5
JP2003126080A5 JP2001326669A JP2001326669A JP2003126080A5 JP 2003126080 A5 JP2003126080 A5 JP 2003126080A5 JP 2001326669 A JP2001326669 A JP 2001326669A JP 2001326669 A JP2001326669 A JP 2001326669A JP 2003126080 A5 JP2003126080 A5 JP 2003126080A5
Authority
JP
Japan
Prior art keywords
ray
image
source
projection data
image processing
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.)
Granted
Application number
JP2001326669A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003126080A (ja
JP4025530B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2001326669A priority Critical patent/JP4025530B2/ja
Priority claimed from JP2001326669A external-priority patent/JP4025530B2/ja
Priority to CNB028212835A priority patent/CN100411591C/zh
Priority to PCT/JP2002/010997 priority patent/WO2003034920A1/ja
Priority to US10/493,678 priority patent/US7221730B2/en
Publication of JP2003126080A publication Critical patent/JP2003126080A/ja
Publication of JP2003126080A5 publication Critical patent/JP2003126080A5/ja
Application granted granted Critical
Publication of JP4025530B2 publication Critical patent/JP4025530B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2001326669A 2001-10-24 2001-10-24 Ｘ線ｃｔ装置 Expired - Fee Related JP4025530B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001326669A JP4025530B2 (ja) 2001-10-24 2001-10-24 Ｘ線ｃｔ装置
CNB028212835A CN100411591C (zh) 2001-10-24 2002-10-23 多列检测器型x线ct装置及断层照片图像的制作方法
PCT/JP2002/010997 WO2003034920A1 (en) 2001-10-24 2002-10-23 Multi-row detector x-ray ct apparatus and method for creating tomogram
US10/493,678 US7221730B2 (en) 2001-10-24 2002-10-23 Multi-row detector x-ray CT apparatus and method for creating tomogram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001326669A JP4025530B2 (ja) 2001-10-24 2001-10-24 Ｘ線ｃｔ装置

Publications (3)

Publication Number Publication Date
JP2003126080A JP2003126080A (ja) 2003-05-07
JP2003126080A5 true JP2003126080A5 (cg-RX-API-DMAC7.html) 2005-06-30
JP4025530B2 JP4025530B2 (ja) 2007-12-19

Family

ID=19143016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001326669A Expired - Fee Related JP4025530B2 (ja) 2001-10-24 2001-10-24 Ｘ線ｃｔ装置

Country Status (4)

Country Link
US (1) US7221730B2 (cg-RX-API-DMAC7.html)
JP (1) JP4025530B2 (cg-RX-API-DMAC7.html)
CN (1) CN100411591C (cg-RX-API-DMAC7.html)
WO (1) WO2003034920A1 (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005137390A (ja) * 2003-11-04 2005-06-02 Ge Medical Systems Global Technology Co Llc Ｃｔ画像生成方法およびｘ線ｃｔ装置
DE602005003647T2 (de) * 2004-01-29 2008-10-30 Koninklijke Philips Electronics N.V. Windmühlen-artefaktreduktion bei der mehrschicht-ct-rekonstruktion
US20050226365A1 (en) * 2004-03-30 2005-10-13 Kabushiki Kaisha Toshiba Radius-in-image dependent detector row filtering for windmill artifact reduction
US7003070B1 (en) * 2004-08-03 2006-02-21 William Barry Chen Upright CT scanner
WO2006095302A1 (en) * 2005-03-09 2006-09-14 Koninklijke Philips Electronics N.V. Apparatus and method for providing 2d representation of 3d image data representing an anatomical lumen tree structure
JP5728304B2 (ja) * 2011-06-21 2015-06-03 株式会社日立メディコ Ｘ線ｃｔ装置及び画像再構成方法
JP7195825B2 (ja) * 2017-09-12 2022-12-26 キヤノンメディカルシステムズ株式会社 Ｘ線コンピュータ断層撮影装置及び画像生成装置
JP2019158534A (ja) * 2018-03-12 2019-09-19 株式会社ミツトヨ 計測用ｘ線ｃｔ装置、及び、その断層画像生成方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2825446B2 (ja) * 1993-09-06 1998-11-18 株式会社東芝 Ｘ線コンピュータトモグラフィ装置
US5541971A (en) 1993-09-06 1996-07-30 Kabushiki Kaisha Toshiba X-ray computerized tomography apparatus
US5513236A (en) 1995-01-23 1996-04-30 General Electric Company Image reconstruction for a CT system implementing a dual fan beam helical scan
JP2914891B2 (ja) * 1995-07-05 1999-07-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
US5559847A (en) 1995-12-06 1996-09-24 General Electric Company Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan
US5838756A (en) * 1996-01-08 1998-11-17 Kabushiki Kaisha Toshiba Radiation computed tomography apparatus
US5974110A (en) * 1997-11-26 1999-10-26 General Electric Company Helical reconstruction algorithm
US6028909A (en) * 1998-02-18 2000-02-22 Kabushiki Kaisha Toshiba Method and system for the correction of artifacts in computed tomography images
DE19832276C2 (de) * 1998-07-17 2002-10-24 Siemens Ag Verfahren zur Rekonstruktion von aus mittels eines CT-Gerätes durch Spiralabtastung gewonnenen Meßwerten
DE19832275B4 (de) 1998-07-17 2006-09-14 Siemens Ag Verfahren zur Rekonstruktion von Bildern aus mittels eines CT-Gerätes durch Spiralabtastung des Untersuchungsobjekts gewonnenen Meßwerten und CT-Gerät zur Durchführung des Verfahrens
DE19854947B4 (de) * 1998-11-27 2005-01-05 Siemens Ag Verfahren zur Bildrekonstruktion für ein Spiral-CT-Gerät und Spiral-CT-Gerät zur Durchführung eines solchen Verfahrens
JP4406106B2 (ja) * 1999-02-04 2010-01-27 株式会社東芝 Ｘ線ｃｔ装置
JP2000278702A (ja) 1999-03-26 2000-10-06 Nikon Corp 補間処理装置および補間処理プログラムを記録した記録媒体
JP4726287B2 (ja) * 1999-10-20 2011-07-20 株式会社日立メディコ マルチスライスｘ線ｃｔ装置
JP4538142B2 (ja) * 2000-09-06 2010-09-08 株式会社日立メディコ 断層写真像作成方法及び断層写真像作成装置。
DE10207623B4 (de) * 2002-02-22 2004-05-06 Siemens Ag Verfahren für die Computertomographie sowie Computertomographie (CT)-Gerät
JP2005137390A (ja) * 2003-11-04 2005-06-02 Ge Medical Systems Global Technology Co Llc Ｃｔ画像生成方法およびｘ線ｃｔ装置

Similar Documents

Publication Publication Date Title
US7639774B2 (en) Method and apparatus for employing multiple axial-sources
EP2407109B1 (en) Computed tomography scanning system and method
US10092256B2 (en) Cone beam computed tomography volumetric imaging system
US7039153B2 (en) Imaging tomography device with at least two beam detector systems, and method to operate such a tomography device
CN100563573C (zh) Ct成像方法和系统
JP5537132B2 (ja) Ｘ線コンピュータ断層撮影装置、医用画像処理装置、及び医用画像処理プログラム
US20070172024A1 (en) X-ray scanning system
US20050190878A1 (en) Method and system for imaging using multiple offset X-ray emission points
JP2013022455A (ja) 放射線画像診断装置及び撮像方法
JP4440588B2 (ja) 周期的に運動する被検体のｃｔ画像の形成装置およびｃｔ装置
JP2012511950A (ja) 拡大された３ｄ視野に対する半円形の逆オフセット・スキャン
US6483892B1 (en) Volumetric computed tomography (CT) fluoroscopy system for small animal studies
JP2006513410A (ja) 一定半径でのシングルフォトン断層撮影法
EP1758503A1 (en) Coherent-scatter computer tomograph
JP2009507544A (ja) Ｃｔ用の直接の測定及び散乱補正
JP2003126080A5 (cg-RX-API-DMAC7.html)
US20100246753A1 (en) Fourth Generation Computed Tomography Scanner
JP6346284B2 (ja) Ｘ線ｃｔ装置、および、ｘ線ｃｔ画像の撮影方法
JP2002085396A (ja) コンピュータ断層撮影装置
JP2004208884A (ja) Ｘ線データ収集装置およびｘ線ｃｔ装置
JP2000197628A5 (cg-RX-API-DMAC7.html)
JP4025530B2 (ja) Ｘ線ｃｔ装置
JP2005080918A (ja) 放射線断層画像撮影装置と放射線断層画像撮影方法および画像生成装置と画像生成方法
US20190274653A1 (en) Method and apparatus for artifact reduction for joint region in step and shoot computed tomography
JP2006263225A (ja) Ｘ線断層撮影装置