DE102006047730B4 - Bildrekonstruktionsverfahren und Röntgen-CT-Vorrichtung - Google Patents
Bildrekonstruktionsverfahren und Röntgen-CT-Vorrichtung Download PDFInfo
- Publication number
- DE102006047730B4 DE102006047730B4 DE102006047730A DE102006047730A DE102006047730B4 DE 102006047730 B4 DE102006047730 B4 DE 102006047730B4 DE 102006047730 A DE102006047730 A DE 102006047730A DE 102006047730 A DE102006047730 A DE 102006047730A DE 102006047730 B4 DE102006047730 B4 DE 102006047730B4
- Authority
- DE
- Germany
- Prior art keywords
- ray
- projection data
- data
- reconstruction
- line
- 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.)
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Classifications
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-295261 | 2005-10-07 | ||
| JP2005295261A JP4611168B2 (ja) | 2005-10-07 | 2005-10-07 | 画像再構成方法、およびx線ct装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102006047730A1 DE102006047730A1 (de) | 2007-05-24 |
| DE102006047730B4 true DE102006047730B4 (de) | 2010-01-07 |
Family
ID=37989679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102006047730A Expired - Fee Related DE102006047730B4 (de) | 2005-10-07 | 2006-10-06 | Bildrekonstruktionsverfahren und Röntgen-CT-Vorrichtung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7639772B2 (enExample) |
| JP (1) | JP4611168B2 (enExample) |
| KR (1) | KR20070038922A (enExample) |
| CN (1) | CN1945630B (enExample) |
| DE (1) | DE102006047730B4 (enExample) |
| NL (1) | NL1032638C2 (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8018489B2 (en) * | 2005-02-04 | 2011-09-13 | Mccutchen David | Surveillance system |
| US20070126867A1 (en) * | 2005-12-02 | 2007-06-07 | Mccutchen David | High resolution surveillance camera |
| US20080008372A1 (en) * | 2006-07-07 | 2008-01-10 | General Electric Company | A method and system for reducing artifacts in a tomosynthesis imaging system |
| JP5525706B2 (ja) * | 2007-07-25 | 2014-06-18 | 株式会社東芝 | X線コンピュータ断層撮影装置 |
| JP5501559B2 (ja) * | 2007-10-26 | 2014-05-21 | 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装置および画像補正方法 |
| EP2411965B1 (en) * | 2009-03-26 | 2016-01-13 | Koninklijke Philips N.V. | Method and apparatus for computed tomography image reconstruction |
| DE102011076348B4 (de) * | 2011-05-24 | 2014-02-13 | Siemens Aktiengesellschaft | Verfahren und Computertomographiesystem zur Erzeugung tomographischer Bilddatensätze |
| DE102012202499A1 (de) * | 2012-02-17 | 2013-08-22 | Siemens Aktiengesellschaft | Computertomograph und Verfahren zur Aufzeichnung von Bilddaten eines abzubildenden Volumens |
| DE102012204019B4 (de) * | 2012-03-14 | 2018-02-08 | Siemens Healthcare Gmbh | Verfahren zur Reduzierung von Bewegungsartefakten |
| JP6238303B2 (ja) * | 2012-04-10 | 2017-11-29 | 国立大学法人 東京大学 | X線投影像補正装置及びx線投影像補正方法 |
| JP5528518B2 (ja) * | 2012-09-28 | 2014-06-25 | 富士フイルム株式会社 | 放射線画像生成装置および方法 |
| US9091628B2 (en) | 2012-12-21 | 2015-07-28 | L-3 Communications Security And Detection Systems, Inc. | 3D mapping with two orthogonal imaging views |
| EP2997545A1 (en) * | 2013-05-14 | 2016-03-23 | Koninklijke Philips N.V. | Artifact-reduction for x-ray image reconstruction using a geometry-matched coordinate grid |
| DE102013214689B4 (de) * | 2013-07-26 | 2023-08-24 | Siemens Healthcare Gmbh | Verfahren zur Reduzierung von Artefakten in Bilddatensätzen und Recheneinrichtung |
| JP6321405B2 (ja) * | 2014-02-27 | 2018-05-09 | 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 | 画像生成装置、放射線断層撮影装置及び画像生成方法並びにプログラム |
| JP6243296B2 (ja) * | 2014-05-30 | 2017-12-06 | 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 | 画像生成装置、放射線断層撮影装置及びプログラム |
| CN106471392B (zh) * | 2014-07-04 | 2019-02-15 | 株式会社岛津制作所 | 图像重构处理方法 |
| CN105575455B (zh) * | 2015-12-14 | 2017-11-21 | 天津三英精密仪器有限公司 | 一种x射线衰减器设计方法和应用以及利用该方法设计的带有衰减器的ct装置 |
| CN105608282B (zh) * | 2015-12-31 | 2018-09-11 | 重庆真测科技股份有限公司 | 一种射线滤波片设计方法 |
| US10417793B2 (en) * | 2017-03-23 | 2019-09-17 | Wisconsin Alumni Research Foundation | System and method for data-consistency preparation and image reconstruction |
| CN107845121B (zh) * | 2017-11-03 | 2021-11-23 | 中国工程物理研究院应用电子学研究所 | 一种探测器偏置扫描中加权伪影的校正方法 |
| US10964074B2 (en) | 2019-01-28 | 2021-03-30 | Wisconsin Alumni Research Foundation | System for harmonizing medical image presentation |
| CN111462266B (zh) * | 2020-03-20 | 2023-08-04 | 北京东软医疗设备有限公司 | 图像重建方法、装置、ct设备及ct系统 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5654820A (en) * | 1992-05-08 | 1997-08-05 | Iowa State University Research Foundation, Inc. | Optoelectronic system for implementation of iterative computer tomography algorithms |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4734988A (en) | 1986-02-25 | 1988-04-05 | General Electric Company | Method of aligning a collimator to a linear array X-ray detector |
| US5377250A (en) * | 1992-08-07 | 1994-12-27 | General Electric Company | Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array |
| JPH09238935A (ja) * | 1996-03-06 | 1997-09-16 | Ge Yokogawa Medical Syst Ltd | X線ct装置および画像生成方法 |
| US5864598A (en) | 1997-04-21 | 1999-01-26 | General Electric Company | Methods and apparatus for scanning an object in a computed tomography system |
| DE19721535C2 (de) * | 1997-05-22 | 2001-09-06 | Siemens Ag | Röntgen-Computertomograph zur Erzeugung von Röntgenschattenbildern |
| US6061419A (en) * | 1998-08-25 | 2000-05-09 | General Electric Company | Methods and apparatus for noise compensation in an imaging system |
| US6343108B1 (en) * | 1999-06-18 | 2002-01-29 | Philips Medical Systems (Cleveland), Inc. | Cone beam scanner using oblique surface reconstructions |
| US6256365B1 (en) * | 1999-08-16 | 2001-07-03 | Analogic Corporation | Apparatus and method for reconstruction of images in a computed tomography system using oblique slices |
| US6272200B1 (en) * | 1999-07-28 | 2001-08-07 | Arch Development Corporation | Fourier and spline-based reconstruction of helical CT images |
| US6987831B2 (en) | 1999-11-18 | 2006-01-17 | University Of Rochester | Apparatus and method for cone beam volume computed tomography breast imaging |
| JP3977972B2 (ja) * | 1999-12-13 | 2007-09-19 | 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 | 断層撮影用スキャン条件決定方法、断層撮影方法およびx線ct装置 |
| US6332013B1 (en) * | 1999-12-28 | 2001-12-18 | General Electric Company | Methods and apparatus for tilted helical reconstruction multislice CT |
| JP4130055B2 (ja) * | 2000-08-31 | 2008-08-06 | 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 | 加算断層画像作成方法およびx線ct装置 |
| US6587539B2 (en) * | 2001-03-13 | 2003-07-01 | Shimadzu Corporation | Radiographic apparatus |
| JP2002320609A (ja) | 2001-04-26 | 2002-11-05 | Hitachi Medical Corp | X線ct装置 |
| US20030016781A1 (en) | 2001-05-18 | 2003-01-23 | Huang Wen C. | Method and apparatus for quantitative stereo radiographic image analysis |
| JP2003033418A (ja) | 2001-07-25 | 2003-02-04 | Matsushita Electric Works Ltd | 浴室スチ−ムサウナ及び暖房、乾燥装置 |
| JP2003159244A (ja) | 2001-09-17 | 2003-06-03 | Ge Medical Systems Global Technology Co Llc | 画像再構成方法およびx線ct装置 |
| US6885764B2 (en) * | 2001-11-21 | 2005-04-26 | Ge Medical Systems Global Technology Company, Llc | High Speed Z-smoothing method and apparatus for CT imaging system |
| JP4106251B2 (ja) | 2002-03-12 | 2008-06-25 | 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 | 3次元逆投影方法およびx線ct装置 |
| US6647095B2 (en) * | 2002-04-02 | 2003-11-11 | Ge Medical Systems Global Technology Co., Llc | Method and apparatus for optimizing dosage to scan subject |
| JP3950782B2 (ja) | 2002-05-22 | 2007-08-01 | 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 | 3次元逆投影方法およびx線ct装置 |
| JP4363618B2 (ja) | 2002-05-22 | 2009-11-11 | 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画像再構成計算方法およびx線ct装置 |
| JP2004021674A (ja) | 2002-06-18 | 2004-01-22 | Hitachi Ltd | Cad図面における端子台ケーブル情報の照合方法及びシステム |
| JP4030827B2 (ja) | 2002-08-13 | 2008-01-09 | 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 | 投影データ作成方法、画素データ作成方法およびマルチ検出器x線ct装置 |
| JP4261864B2 (ja) * | 2002-10-07 | 2009-04-30 | 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 | データ補正方法およびx線ct装置 |
| US6904117B2 (en) * | 2002-10-30 | 2005-06-07 | Toshiba Corporation | Tilted gantry helical cone-beam Feldkamp reconstruction for multislice CT |
| US6647084B1 (en) * | 2002-11-11 | 2003-11-11 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for filtering projection data of a helical scan |
| US6845144B2 (en) | 2003-02-08 | 2005-01-18 | Ge Medical Systems Global Technology Company, Llc | Three dimensional back projection method and an X-ray CT apparatus |
| US6977984B2 (en) * | 2003-10-07 | 2005-12-20 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for dynamical helical scanned image production |
| JP4091008B2 (ja) * | 2004-03-09 | 2008-05-28 | 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 | Ct画像生成方法およびx線ct装置 |
| US20050226365A1 (en) * | 2004-03-30 | 2005-10-13 | Kabushiki Kaisha Toshiba | Radius-in-image dependent detector row filtering for windmill artifact reduction |
| JP2006129975A (ja) * | 2004-11-04 | 2006-05-25 | Ge Medical Systems Global Technology Co Llc | X線ct装置およびx線ct撮影方法 |
-
2005
- 2005-10-07 JP JP2005295261A patent/JP4611168B2/ja not_active Expired - Fee Related
-
2006
- 2006-10-06 NL NL1032638A patent/NL1032638C2/nl not_active IP Right Cessation
- 2006-10-06 DE DE102006047730A patent/DE102006047730B4/de not_active Expired - Fee Related
- 2006-10-06 US US11/539,343 patent/US7639772B2/en active Active
- 2006-10-08 CN CN2006101421412A patent/CN1945630B/zh active Active
- 2006-10-09 KR KR1020060097892A patent/KR20070038922A/ko not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5654820A (en) * | 1992-05-08 | 1997-08-05 | Iowa State University Research Foundation, Inc. | Optoelectronic system for implementation of iterative computer tomography algorithms |
Non-Patent Citations (1)
| Title |
|---|
| Avinash C. Kak, Malcolm Slaney: Principles of Computerized Tomographic Imaging, IEEE Press, 1998, ISBN 0-87942-198-3, Electronic Copy 1999, Pgs. iii-vii, ix, x, 49-76, 99-112, 113-134 , 233-248 & 323-327 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1945630B (zh) | 2010-06-09 |
| US20070121779A1 (en) | 2007-05-31 |
| NL1032638C2 (nl) | 2007-11-23 |
| US7639772B2 (en) | 2009-12-29 |
| DE102006047730A1 (de) | 2007-05-24 |
| KR20070038922A (ko) | 2007-04-11 |
| JP4611168B2 (ja) | 2011-01-12 |
| CN1945630A (zh) | 2007-04-11 |
| NL1032638A1 (nl) | 2007-04-11 |
| JP2007098025A (ja) | 2007-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8364 | No opposition during term of opposition | ||
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |