DE602004000481D1 - Verfahren und Vorrichtung zur Bildrekonstruktion und Vorrichtung zur Röntgenstrahlbildgebung - Google Patents
Verfahren und Vorrichtung zur Bildrekonstruktion und Vorrichtung zur RöntgenstrahlbildgebungInfo
- Publication number
- DE602004000481D1 DE602004000481D1 DE200460000481 DE602004000481T DE602004000481D1 DE 602004000481 D1 DE602004000481 D1 DE 602004000481D1 DE 200460000481 DE200460000481 DE 200460000481 DE 602004000481 T DE602004000481 T DE 602004000481T DE 602004000481 D1 DE602004000481 D1 DE 602004000481D1
- Authority
- DE
- Germany
- Prior art keywords
- ray imaging
- image reconstruction
- reconstruction
- image
- imaging
- 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.)
- Expired - Lifetime
Links
- 238000003384 imaging method Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- 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]
-
- 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
- G06T11/005—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
- A61B6/52—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
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/448—Computed tomography involving metal artefacts, streaking artefacts, beam hardening or photon starvation
-
- 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)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003100668A JP4138558B2 (ja) | 2003-04-03 | 2003-04-03 | 画像再構成装置、画像再構成方法および放射線断層像撮影装置 |
JP2003100668 | 2003-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004000481D1 true DE602004000481D1 (de) | 2006-05-11 |
DE602004000481T2 DE602004000481T2 (de) | 2006-11-09 |
Family
ID=32985526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200460000481 Expired - Lifetime DE602004000481T2 (de) | 2003-04-03 | 2004-03-30 | Verfahren und Vorrichtung zur Bildrekonstruktion und Vorrichtung zur Röntgenstrahlbildgebung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6980622B2 (de) |
EP (1) | EP1475750B1 (de) |
JP (1) | JP4138558B2 (de) |
KR (1) | KR20040086814A (de) |
CN (1) | CN1299647C (de) |
DE (1) | DE602004000481T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006167161A (ja) * | 2004-12-16 | 2006-06-29 | Tokyo Institute Of Technology | X線ct画像再構成方法、装置及びx線ct画像再構成プログラムを記憶した記憶媒体 |
JP4268976B2 (ja) * | 2006-06-15 | 2009-05-27 | 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 | イメージング装置 |
BRPI0715216A2 (pt) | 2006-08-03 | 2013-06-18 | Univ California | mÉtodo para reconstruir uma representaÇço da imagem de um objeto a partir de suas projeÇÕes e para tratar imagens tomogrÁficas, e, produto de programa de computador |
KR100923098B1 (ko) * | 2008-01-15 | 2009-10-22 | (주)이우테크놀로지 | 엑스 레이 씨티 촬영 영상의 메탈 아티팩트를 제거하는방법 |
JP5601675B2 (ja) * | 2008-02-29 | 2014-10-08 | 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装置およびプログラム |
JP5324880B2 (ja) * | 2008-10-21 | 2013-10-23 | アズビル株式会社 | Ct装置および金属形状抽出方法 |
JP5324883B2 (ja) * | 2008-10-24 | 2013-10-23 | アズビル株式会社 | Ct装置および金属形状抽出方法 |
EP2716226A4 (de) * | 2011-05-31 | 2014-11-05 | Shimadzu Corp | Verfahren für strahlungstomographische bilderzeugung und programm für strahlungstomographische bilderzeugung |
JP6122269B2 (ja) * | 2011-12-16 | 2017-04-26 | キヤノン株式会社 | 画像処理装置、画像処理方法、及びプログラム |
CN105374012B (zh) * | 2014-08-27 | 2018-11-27 | 通用电气公司 | 用于消除由性能差异的探测器单元所致的条状伪影的方法 |
CN106994021B (zh) * | 2016-01-22 | 2022-10-14 | 通用电气公司 | 一种计算ct影像上的噪声的方法及装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4590558A (en) | 1981-12-30 | 1986-05-20 | General Electric Company | Method and apparatus for removing objects from CT images |
US4920491A (en) | 1988-05-16 | 1990-04-24 | General Electric Company | Enhancement of image quality by utilization of a priori information |
GB8900165D0 (en) * | 1989-01-05 | 1989-03-01 | Glaverbel | Glass coating |
US5243664A (en) | 1991-09-16 | 1993-09-07 | Picker International, Inc. | Post-processing technique for reducing metallic clip artifacts in CT images |
JP3673041B2 (ja) * | 1996-11-21 | 2005-07-20 | ジーイー横河メディカルシステム株式会社 | Ctイメージング方法およびx線ct装置 |
US5933471A (en) | 1997-02-26 | 1999-08-03 | International Business Machines Corporation | System and method for reducing reconstruction artifacts in computed tomography images |
IL121773A0 (en) * | 1997-09-15 | 1998-02-22 | Elscint Ltd | Method for improving CT images having high attenuation objects |
US6201888B1 (en) | 1998-02-18 | 2001-03-13 | International Business Machines Corporation | System and method for restoring, describing and graphically displaying noise-corrupted boundaries in tomography images |
US6108575A (en) * | 1998-02-20 | 2000-08-22 | General Electric Company | Helical weighting algorithms for fast reconstruction |
US6125193A (en) | 1998-06-01 | 2000-09-26 | Kabushiki Kaisha Toshiba | Method and system for high absorption object artifacts reduction and superposition |
JP2000083946A (ja) | 1998-09-14 | 2000-03-28 | Ge Yokogawa Medical Systems Ltd | プロジェクション補正方法および装置並びに放射線断層撮影装置 |
US6351514B1 (en) * | 2000-06-22 | 2002-02-26 | Ge Medical Systems Global Technology Company, Llc | Slice-adaptive multislice helical weighting for computed tomography imaging |
DE10123797B4 (de) | 2001-05-16 | 2006-10-19 | Siemens Ag | Verfahren zur Herstellung eines Bildes mit einem Computertomographen |
JP3963086B2 (ja) * | 2001-07-13 | 2007-08-22 | 株式会社島津製作所 | 断層再構成ソフトウエアとその記録媒体と断層撮影装置 |
-
2003
- 2003-04-03 JP JP2003100668A patent/JP4138558B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-30 DE DE200460000481 patent/DE602004000481T2/de not_active Expired - Lifetime
- 2004-03-30 EP EP20040251882 patent/EP1475750B1/de not_active Expired - Fee Related
- 2004-04-02 US US10/817,222 patent/US6980622B2/en not_active Expired - Fee Related
- 2004-04-02 KR KR1020040022857A patent/KR20040086814A/ko not_active Application Discontinuation
- 2004-04-05 CN CNB2004100342908A patent/CN1299647C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1536533A (zh) | 2004-10-13 |
EP1475750A3 (de) | 2004-12-15 |
EP1475750A2 (de) | 2004-11-10 |
CN1299647C (zh) | 2007-02-14 |
DE602004000481T2 (de) | 2006-11-09 |
EP1475750B1 (de) | 2006-03-15 |
JP2004305331A (ja) | 2004-11-04 |
KR20040086814A (ko) | 2004-10-12 |
JP4138558B2 (ja) | 2008-08-27 |
US6980622B2 (en) | 2005-12-27 |
US20040234022A1 (en) | 2004-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |