ATE385333T1 - Metallartefaktkorrektur bei der computertomographie - Google Patents
Metallartefaktkorrektur bei der computertomographieInfo
- Publication number
- ATE385333T1 ATE385333T1 AT04743986T AT04743986T ATE385333T1 AT E385333 T1 ATE385333 T1 AT E385333T1 AT 04743986 T AT04743986 T AT 04743986T AT 04743986 T AT04743986 T AT 04743986T AT E385333 T1 ATE385333 T1 AT E385333T1
- Authority
- AT
- Austria
- Prior art keywords
- projection data
- processor
- image
- synthetic
- reconstructed image
- Prior art date
Links
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/77—Retouching; Inpainting; Scratch removal
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20192—Edge enhancement; Edge preservation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S378/00—X-ray or gamma ray systems or devices
- Y10S378/901—Computer tomography program or processor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48863203P | 2003-07-18 | 2003-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE385333T1 true ATE385333T1 (de) | 2008-02-15 |
Family
ID=34079443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04743986T ATE385333T1 (de) | 2003-07-18 | 2004-07-16 | Metallartefaktkorrektur bei der computertomographie |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7340027B2 (de) |
| EP (1) | EP1649421B1 (de) |
| JP (1) | JP2007530086A (de) |
| AT (1) | ATE385333T1 (de) |
| DE (1) | DE602004011620T2 (de) |
| WO (1) | WO2005008586A2 (de) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6801646B1 (en) * | 2001-07-19 | 2004-10-05 | Virtualscopics, Llc | System and method for reducing or eliminating streak artifacts and illumination inhomogeneity in CT imaging |
| DE102004001273A1 (de) * | 2004-01-08 | 2005-08-04 | "Stiftung Caesar" (Center Of Advanced European Studies And Research) | Verfahren zur Erzeugung eines Schnittbildes |
| WO2005084351A2 (en) | 2004-03-01 | 2005-09-15 | Varian Medical Systems Technologies, Inc. | Object examination by dual energy radiation scanning and delayed neutron detection |
| DE102004022332A1 (de) * | 2004-05-06 | 2005-12-08 | Siemens Ag | Verfahren zur post-rekonstruktiven Korrektur von Aufnahmen eines Computer-Tomographen |
| US7187750B1 (en) * | 2005-09-20 | 2007-03-06 | General Electric Company | Method and apparatus for compensating non-uniform detector collimator plates |
| US8137976B2 (en) | 2006-07-12 | 2012-03-20 | Varian Medical Systems, Inc. | Dual angle radiation scanning of objects |
| CN101541240A (zh) * | 2006-11-16 | 2009-09-23 | 皇家飞利浦电子股份有限公司 | 用于对对象进行检查的计算机断层扫描(ct)c型臂系统和方法 |
| CN101573731B (zh) | 2007-01-04 | 2015-07-22 | 皇家飞利浦电子股份有限公司 | 用于从所获取的投影数据产生感兴趣区域的经校正的图像的装置和方法 |
| WO2008099314A2 (en) * | 2007-02-13 | 2008-08-21 | Philips Intellectual Property & Standards Gmbh | Apparatus and method for determining high density shadows in projection data |
| US7729467B2 (en) * | 2007-03-22 | 2010-06-01 | General Electric Company | Methods and systems for attentuation correction in medical imaging |
| US8217937B2 (en) * | 2007-03-28 | 2012-07-10 | The Aerospace Corporation | Isosurfacial three-dimensional imaging system and method |
| WO2008139414A1 (en) * | 2007-05-15 | 2008-11-20 | Koninklijke Philips Electronics N.V. | Imaging system and imaging method for imaging a region of interest |
| US20100189331A1 (en) * | 2007-06-15 | 2010-07-29 | Koninklijke Philips Electronics N.V. | Apparatus for determining a high density region in an image |
| US20090060366A1 (en) * | 2007-08-27 | 2009-03-05 | Riverain Medical Group, Llc | Object segmentation in images |
| CN102036609B (zh) * | 2008-05-21 | 2013-03-27 | 皇家飞利浦电子股份有限公司 | 用于生成感兴趣区域的图像的成像装置 |
| DE102008038357B3 (de) * | 2008-08-19 | 2010-01-14 | Siemens Aktiengesellschaft | Verfahren zur Erzeugung von 2D-Schnittbildern aus 3D-Projektionsdaten, die mittels eines CT-Systems von einem metallische Anteile enthaltenden Untersuchungsobjekt erfasst wurden |
| DE102008045449B4 (de) * | 2008-09-02 | 2016-03-31 | Siemens Aktiengesellschaft | Verfahren zur Erstellung von computertomographischen Aufnahmen eines Patienten mit metallischen Anteilen und Computersystem zur Durchführung des Verfahrens |
| JP5355036B2 (ja) * | 2008-10-28 | 2013-11-27 | 株式会社東芝 | 核医学画像撮影装置、核医学画像再構成装置及び核医学画像再構成プログラム |
| US8280135B2 (en) * | 2009-01-20 | 2012-10-02 | Mayo Foundation For Medical Education And Research | System and method for highly attenuating material artifact reduction in x-ray computed tomography |
| DE102009032059A1 (de) * | 2009-07-07 | 2011-01-13 | Siemens Aktiengesellschaft | Sinogrammbearbeitung für die Metallartefaktreduktion in der Computertomographie |
| US8244016B2 (en) * | 2009-07-20 | 2012-08-14 | Wisconsin Alumni Research Foundation | Method for suppressing streak artifacts in images produced with an x-ray imaging system |
| US8290120B2 (en) | 2009-09-30 | 2012-10-16 | Varian Medical Systems, Inc. | Dual energy radiation scanning of contents of an object based on contents type |
| US8503750B2 (en) * | 2009-10-06 | 2013-08-06 | General Electric Company | Method and apparatus for reduction of metal artifacts in CT images |
| US8233586B1 (en) * | 2011-02-17 | 2012-07-31 | Franz Edward Boas | Iterative reduction of artifacts in computed tomography images using forward projection and an edge-preserving blur filter |
| JP2014518133A (ja) * | 2011-06-30 | 2014-07-28 | アナロジック コーポレイション | 画像再構成方法とシステム{iterativeimagereconsgtruction} |
| RU2628053C2 (ru) * | 2011-12-27 | 2017-08-14 | Конинклейке Филипс Н.В. | Удаление артефактов от генератора электромагнитного поля из трехмерного снимка |
| US20150004561A1 (en) | 2012-01-25 | 2015-01-01 | Koninklijke Philips N.V. | Metal artifact reduction from metallic dental fillings and/or crowns in computed tomography (ct) and/or x-ray |
| JP5994858B2 (ja) * | 2012-08-31 | 2016-09-21 | 株式会社島津製作所 | 放射線断層画像生成装置および放射線断層画像生成方法 |
| CN104599239A (zh) * | 2013-10-31 | 2015-05-06 | 通用电气公司 | 一种医学图像中的金属伪影消除方法及装置 |
| US9558569B2 (en) * | 2014-08-12 | 2017-01-31 | Toshiba Medical Systems Corporation | Method and system for substantially reducing cone beam artifacts based upon image domain differentiation in circular computer tomography (CT) |
| JP6413059B2 (ja) * | 2014-12-08 | 2018-10-31 | 国立大学法人京都大学 | 画像処理装置、画像処理方法、及びx線撮影装置 |
| CN106911904B (zh) | 2015-12-17 | 2020-04-21 | 通用电气公司 | 图像处理方法、图像处理系统及成像系统 |
| JP6780948B2 (ja) * | 2016-03-28 | 2020-11-04 | キヤノンメディカルシステムズ株式会社 | X線ct装置 |
| KR20180063753A (ko) | 2016-12-02 | 2018-06-12 | 삼성전자주식회사 | 의료 영상 장치 및 동작 방법 |
| KR101834458B1 (ko) * | 2016-12-05 | 2018-03-05 | 연세대학교 산학협력단 | 최적의 임계값을 이용한 영상 보정 방법 및 장치 |
| EP3779887B1 (de) * | 2019-08-12 | 2022-10-19 | Siemens Healthcare GmbH | Computerimplementiertes verfahren zur ableitung von 3d-bilddaten eines rekonstruktionsvolumens und computerlesbares medium |
| DE102019131437A1 (de) * | 2019-11-21 | 2021-05-27 | Volume Graphics Gmbh | Computerimplementiertes Verfahren zur Segmentierung von Messdaten aus einer Messung eines Objekts |
| CN113362404B (zh) * | 2020-03-05 | 2024-03-22 | 上海西门子医疗器械有限公司 | 计算机断层扫描的散射校正方法、装置和存储介质 |
| CN111803107B (zh) * | 2020-08-06 | 2023-09-12 | 上海联影医疗科技股份有限公司 | 一种金属检测方法、装置、设备及存储介质 |
| US11759658B2 (en) * | 2021-03-31 | 2023-09-19 | Siemens Healthineers International Ag | Motion artifact reduction in computed tomography |
| CN118887415B (zh) * | 2024-10-08 | 2024-12-20 | 天津荣力电子有限公司 | 一种基于图像处理技术的ct图像区域特征识别处理方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2754361C2 (de) | 1977-12-07 | 1983-07-14 | N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven | Verfahren zur Verminderung von Bildfehlern in Computer-Tomographiebildern |
| US4590558A (en) | 1981-12-30 | 1986-05-20 | General Electric Company | Method and apparatus for removing objects from CT images |
| US5229934A (en) | 1990-06-18 | 1993-07-20 | Picker International, Inc. | Post-processing technique for cleaning up streaks and artifacts in diagnostic images |
| US5243664A (en) | 1991-09-16 | 1993-09-07 | Picker International, Inc. | Post-processing technique for reducing metallic clip artifacts in CT images |
| US6035012A (en) * | 1998-05-14 | 2000-03-07 | Gen Electric | Artifact correction for highly attenuating objects |
| US6125193A (en) | 1998-06-01 | 2000-09-26 | Kabushiki Kaisha Toshiba | Method and system for high absorption object artifacts reduction and superposition |
| US6266388B1 (en) * | 1999-09-07 | 2001-07-24 | General Electric Company | Methods and apparatus for two-pass cone beam image reconstruction |
| JP3707347B2 (ja) * | 2000-04-07 | 2005-10-19 | 株式会社島津製作所 | X線ct装置の画像処理方法及びx線ct装置並びにx線ct撮影用記録媒体 |
-
2004
- 2004-07-16 WO PCT/IB2004/002325 patent/WO2005008586A2/en not_active Ceased
- 2004-07-16 DE DE602004011620T patent/DE602004011620T2/de not_active Expired - Lifetime
- 2004-07-16 JP JP2006520043A patent/JP2007530086A/ja active Pending
- 2004-07-16 US US10/564,571 patent/US7340027B2/en not_active Expired - Lifetime
- 2004-07-16 EP EP04743986A patent/EP1649421B1/de not_active Expired - Lifetime
- 2004-07-16 AT AT04743986T patent/ATE385333T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1649421A2 (de) | 2006-04-26 |
| WO2005008586A3 (en) | 2006-04-06 |
| WO2005008586A2 (en) | 2005-01-27 |
| DE602004011620T2 (de) | 2009-01-29 |
| JP2007530086A (ja) | 2007-11-01 |
| US20060227928A1 (en) | 2006-10-12 |
| DE602004011620D1 (de) | 2008-03-20 |
| EP1649421B1 (de) | 2008-01-30 |
| US7340027B2 (en) | 2008-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |