CN102254310B - 用于减少ct图像数据中的图像伪影、尤其是金属伪影的方法 - Google Patents
用于减少ct图像数据中的图像伪影、尤其是金属伪影的方法 Download PDFInfo
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- CN102254310B CN102254310B CN201110123647.XA CN201110123647A CN102254310B CN 102254310 B CN102254310 B CN 102254310B CN 201110123647 A CN201110123647 A CN 201110123647A CN 102254310 B CN102254310 B CN 102254310B
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- 230000009977 dual effect Effects 0.000 description 4
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
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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
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10141—Special mode during image acquisition
- G06T2207/10144—Varying exposure
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20212—Image combination
- G06T2207/20221—Image fusion; Image merging
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010020770.5 | 2010-05-17 | ||
DE102010020770A DE102010020770A1 (de) | 2010-05-17 | 2010-05-17 | Verfahren zur Reduzierung von Bildartefakten, insbesondere von Metallartefakten, in CT-Bilddaten |
Publications (2)
Publication Number | Publication Date |
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CN102254310A CN102254310A (zh) | 2011-11-23 |
CN102254310B true CN102254310B (zh) | 2016-06-29 |
Family
ID=44859695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201110123647.XA Active CN102254310B (zh) | 2010-05-17 | 2011-05-13 | 用于减少ct图像数据中的图像伪影、尤其是金属伪影的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8634625B2 (zh) |
CN (1) | CN102254310B (zh) |
DE (1) | DE102010020770A1 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012095713A1 (en) * | 2011-01-10 | 2012-07-19 | Koninklijke Philips Electronics N.V. | Dual -energy tomographic imaging system |
DE102011004120B4 (de) * | 2011-02-15 | 2017-04-06 | Siemens Healthcare Gmbh | Verfahren, Bilddatensatzbearbeitungseinrichtung, Röntgensystem und Computerprogramm zur Korrektur von Bilddaten eines Untersuchungsobjekts |
CN103186889B (zh) * | 2011-12-30 | 2017-08-18 | Ge医疗系统环球技术有限公司 | 一种用于减少医学图像中的金属伪影的方法和设备 |
US9468409B2 (en) | 2012-11-30 | 2016-10-18 | General Electric Company | Systems and methods for imaging dynamic processes |
WO2014147495A2 (en) * | 2013-03-21 | 2014-09-25 | Koninklijke Philips N.V. | A method and x-ray system for computer aided detection of structures in x-ray images |
CN103440636B (zh) * | 2013-08-26 | 2016-08-17 | 深圳先进技术研究院 | Ct系统的金属伪影消除方法及其系统 |
CN104517263B (zh) * | 2013-09-30 | 2019-06-14 | Ge医疗系统环球技术有限公司 | 减少计算机断层扫描图像重构中伪像的方法和装置 |
US9226723B2 (en) * | 2014-02-25 | 2016-01-05 | Kabushiki Kaisha Toshiba | Ordered subset scheme in spectral CT |
DE102015204450A1 (de) | 2015-03-12 | 2016-09-15 | Siemens Healthcare Gmbh | Verfahren zur Erzeugung eines Ergebnisbildes zu einer vorgebbaren, virtuellen Röntgenquantenenergieverteilung, Computerprogramm, Datenträger sowie Röntgenbildaufnahmevorrichtung |
CN105046675B (zh) * | 2015-08-24 | 2017-09-29 | 重庆邮电大学 | 基于mvct图像消除kvct图像中金属伪影的方法 |
DE102015218928B4 (de) | 2015-09-30 | 2022-05-12 | Siemens Healthcare Gmbh | Verfahren zur Erzeugung von Röntgenbilddaten eines Untersuchungsobjektes mit unterdrücktem Calcium-Signal |
CN105286902B (zh) * | 2015-10-26 | 2018-01-02 | 天津大学 | 一种去除ct图像金属伪影的方法 |
US10451697B2 (en) * | 2017-07-25 | 2019-10-22 | Spintech, Inc. | Systems and methods for strategically acquired gradient echo imaging |
US10932741B2 (en) * | 2017-12-07 | 2021-03-02 | Ohio State Innovation Foundation | Assessing a condition of a subject using non-contrast dual energy computed tomography |
US10902621B2 (en) * | 2018-03-25 | 2021-01-26 | Varian Medical Systems International Ag | Deformable image registration based on masked computed tomography (CT) image |
US11210779B2 (en) * | 2018-09-07 | 2021-12-28 | Siemens Healthcare Gmbh | Detection and quantification for traumatic bleeding using dual energy computed tomography |
JP2023039761A (ja) * | 2021-09-09 | 2023-03-22 | キヤノン株式会社 | 放射線検査装置、放射線検査方法及びプログラム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1518955A (zh) * | 2002-11-27 | 2004-08-11 | GEҽ��ϵͳ����������˾ | 软组织容积可视化的方法和装置 |
US7639773B2 (en) * | 2007-07-18 | 2009-12-29 | Ge Medical Systems Global Technology Company, Llc | X-ray CT apparatus and method of generating an image |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4611341A (en) * | 1981-05-05 | 1986-09-09 | The Board Of Trustees Of The Leland Stanford Junior University | Multiple-energy x-ray substraction imaging system |
US7424088B2 (en) * | 2004-09-29 | 2008-09-09 | Kabushiki Kaisha Toshiba | Image reconstruction method using Hilbert transform |
DE102008030552A1 (de) * | 2008-06-27 | 2009-12-31 | Siemens Aktiengesellschaft | Verfahren zur Erzeugung von Bilddaten zu einer virtuell vorgebbaren Röntgenröhrenspannung aus ersten und zweiten CT-Bilddaten |
-
2010
- 2010-05-17 DE DE102010020770A patent/DE102010020770A1/de not_active Ceased
-
2011
- 2011-05-13 US US13/107,302 patent/US8634625B2/en active Active
- 2011-05-13 CN CN201110123647.XA patent/CN102254310B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1518955A (zh) * | 2002-11-27 | 2004-08-11 | GEҽ��ϵͳ����������˾ | 软组织容积可视化的方法和装置 |
US7639773B2 (en) * | 2007-07-18 | 2009-12-29 | Ge Medical Systems Global Technology Company, Llc | X-ray CT apparatus and method of generating an image |
Non-Patent Citations (2)
Title |
---|
Behrendt等.Image Fusion in Dual Energy Computed Tomography: Effect on Contrast Enhancement, Signal-to-Noise Ratio and Image Quality in Computed Tomography Angiography.《Investigative Radiology》.2009,第44卷(第1期),1-6. * |
Reconstruction of multi-energy X-ray computed tomography images of laboratory mice;Gleason, S.S.等;《Nuclear Science, IEEE Transactions on》;19990831;第46卷(第4期);1081-1086 * |
Also Published As
Publication number | Publication date |
---|---|
US8634625B2 (en) | 2014-01-21 |
US20110280458A1 (en) | 2011-11-17 |
DE102010020770A1 (de) | 2011-11-17 |
CN102254310A (zh) | 2011-11-23 |
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