DE3365095D1 - Method and computer tomography device for determining a tomographic image with elevated resolution - Google Patents
Method and computer tomography device for determining a tomographic image with elevated resolutionInfo
- Publication number
- DE3365095D1 DE3365095D1 DE8383200630T DE3365095T DE3365095D1 DE 3365095 D1 DE3365095 D1 DE 3365095D1 DE 8383200630 T DE8383200630 T DE 8383200630T DE 3365095 T DE3365095 T DE 3365095T DE 3365095 D1 DE3365095 D1 DE 3365095D1
- Authority
- DE
- Germany
- Prior art keywords
- determining
- tomographic image
- computer tomography
- tomography device
- elevated resolution
- 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
Links
Classifications
-
- 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
- G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/421—Filtered back projection [FBP]
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8201942A NL8201942A (nl) | 1982-05-12 | 1982-05-12 | Werkwijze en computer tomografie-inrichting voor het bepalen van een tomografiebeeld met verhoogd oplossend vermogen. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3365095D1 true DE3365095D1 (en) | 1986-09-11 |
Family
ID=19839718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383200630T Expired DE3365095D1 (en) | 1982-05-12 | 1983-05-03 | Method and computer tomography device for determining a tomographic image with elevated resolution |
Country Status (7)
Country | Link |
---|---|
US (1) | US4555760A (de) |
EP (1) | EP0094124B1 (de) |
JP (1) | JPS58206729A (de) |
CA (1) | CA1205214A (de) |
DE (1) | DE3365095D1 (de) |
IL (1) | IL68633A (de) |
NL (1) | NL8201942A (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4637040A (en) * | 1983-07-28 | 1987-01-13 | Elscint, Ltd. | Plural source computerized tomography device with improved resolution |
JPS6085357A (ja) * | 1983-10-17 | 1985-05-14 | Toshiba Corp | 核磁気共鳴映像装置 |
FR2553898B1 (fr) * | 1983-10-25 | 1986-03-21 | Thomson Csf | Procede d'acquisition et de reconstruction d'image par tomodensitometrie, et tomodensitometre mettant en oeuvre ce procede |
FR2562371A1 (fr) * | 1984-03-30 | 1985-10-04 | Thomson Cgr | Procede de reconstruction d'une image a haute resolution, par tomodensitometrie |
US4729100A (en) * | 1984-08-28 | 1988-03-01 | Kabushiki Kaisha Toshiba | CT System which convolutes projection data with a frequency varying filter function |
JPH0750501B2 (ja) * | 1984-09-19 | 1995-05-31 | 株式会社日立メディコ | X線ct装置 |
JPS6198239A (ja) * | 1984-10-18 | 1986-05-16 | 株式会社日立メディコ | X線ct装置 |
GB2181330B (en) * | 1985-09-26 | 1990-05-09 | Toshiba Kk | X-ray inspection apparatus |
JPH0799539B2 (ja) * | 1985-09-30 | 1995-10-25 | ジーイー横河メディカルシステム株式会社 | 放射線断層撮影装置 |
US5079697A (en) * | 1989-05-01 | 1992-01-07 | The General Hospital Corporation | Distortion reduction in projection imaging by manipulation of fourier transform of projection sample |
JP3653992B2 (ja) * | 1998-06-26 | 2005-06-02 | 株式会社日立製作所 | コンピュータ断層撮影装置及びコンピュータ断層撮影方法 |
WO2006058124A1 (en) * | 2004-11-24 | 2006-06-01 | Wisconsin Alumni Research Foundation | Fan-beam and cone-beam image reconstruction using filtered backprojection of differentiated projection data |
US7672421B2 (en) * | 2005-10-12 | 2010-03-02 | Siemens Medical Solutions Usa, Inc. | Reduction of streak artifacts in low dose CT imaging through multi image compounding |
US8116426B2 (en) * | 2008-11-11 | 2012-02-14 | Kabushiki Kaisha Toshiba | Computed tomography device and method using circular-pixel position-adaptive interpolation |
US9224216B2 (en) * | 2013-07-31 | 2015-12-29 | Kabushiki Kaisha Toshiba | High density forward projector for spatial resolution improvement for medical imaging systems including computed tomography |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4066903A (en) * | 1974-07-20 | 1978-01-03 | Emi Limited | Radiology |
US4398251A (en) * | 1974-12-19 | 1983-08-09 | Emi Limited | Radiography |
US4051379A (en) * | 1975-11-28 | 1977-09-27 | Artronix, Inc. | Axial tomographic apparatus and detector |
US4088887A (en) * | 1975-12-10 | 1978-05-09 | Emi Limited | Radiography method comprising determination of corrected absorption values for members of sets of mutually inclined beam paths |
US4365339A (en) * | 1975-12-23 | 1982-12-21 | General Electric Company | Tomographic apparatus and method for reconstructing planar slices from non-absorbed and non-scattered radiation |
US4326252A (en) * | 1976-11-29 | 1982-04-20 | Hitachi Medical Corporation | Method of reconstructing cross-section image |
NL7902015A (nl) * | 1979-03-14 | 1980-09-16 | Philips Nv | Werkwijze en inrichting voor het bepalen van een stralingsabsorptieverdeling in een deel van een lichaam. |
NL7908545A (nl) * | 1979-11-23 | 1981-06-16 | Philips Nv | Inrichting voor het bepalen van een stralingsabsorptie- verdeling in een vlak van een lichaam. |
JPS56136529A (en) * | 1980-03-28 | 1981-10-24 | Tokyo Shibaura Electric Co | Apparatus for reconstituting image |
-
1982
- 1982-05-12 NL NL8201942A patent/NL8201942A/nl not_active Application Discontinuation
-
1983
- 1983-05-03 DE DE8383200630T patent/DE3365095D1/de not_active Expired
- 1983-05-03 EP EP83200630A patent/EP0094124B1/de not_active Expired
- 1983-05-04 US US06/491,516 patent/US4555760A/en not_active Expired - Fee Related
- 1983-05-05 CA CA000427539A patent/CA1205214A/en not_active Expired
- 1983-05-09 IL IL68633A patent/IL68633A/xx unknown
- 1983-05-11 JP JP58081062A patent/JPS58206729A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
IL68633A0 (en) | 1983-09-30 |
IL68633A (en) | 1987-03-31 |
EP0094124A1 (de) | 1983-11-16 |
US4555760A (en) | 1985-11-26 |
NL8201942A (nl) | 1983-12-01 |
CA1205214A (en) | 1986-05-27 |
JPH0470015B2 (de) | 1992-11-09 |
EP0094124B1 (de) | 1986-08-06 |
JPS58206729A (ja) | 1983-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |