DE3070773D1 - Method and device for determining a radiation attenuation distribution in a plane of a body - Google Patents
Method and device for determining a radiation attenuation distribution in a plane of a bodyInfo
- Publication number
- DE3070773D1 DE3070773D1 DE8080200633T DE3070773T DE3070773D1 DE 3070773 D1 DE3070773 D1 DE 3070773D1 DE 8080200633 T DE8080200633 T DE 8080200633T DE 3070773 T DE3070773 T DE 3070773T DE 3070773 D1 DE3070773 D1 DE 3070773D1
- Authority
- DE
- Germany
- Prior art keywords
- plane
- determining
- radiation attenuation
- attenuation distribution
- distribution
- 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
- 230000005855 radiation Effects 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]
- A61B6/032—Transmission computed tomography [CT]
-
- 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
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Pulmonology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7905282A NL7905282A (nl) | 1979-07-06 | 1979-07-06 | Werkwijze en inrichting voor het bepalen van een stralingsabsorptieverdeling in een vlak van een lichaam. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3070773D1 true DE3070773D1 (en) | 1985-07-25 |
Family
ID=19833498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080200633T Expired DE3070773D1 (en) | 1979-07-06 | 1980-07-02 | Method and device for determining a radiation attenuation distribution in a plane of a body |
Country Status (7)
Country | Link |
---|---|
US (1) | US4374419A (de) |
EP (1) | EP0022299B1 (de) |
JP (1) | JPS5611041A (de) |
CA (1) | CA1150858A (de) |
DE (1) | DE3070773D1 (de) |
IL (1) | IL60520A (de) |
NL (1) | NL7905282A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6346137A (ja) * | 1986-08-12 | 1988-02-27 | 横河メディカルシステム株式会社 | X線断層撮影装置 |
WO1989009973A1 (en) * | 1988-04-13 | 1989-10-19 | Analogic Corporation | Backprojection apparatus and method |
CN100444798C (zh) * | 2005-07-22 | 2008-12-24 | 清华大学 | 一种用于ct重建的旋转对称体素离散化方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2556012A1 (de) * | 1975-12-12 | 1977-06-16 | Philips Patentverwaltung | Verfahren und anordnung zur ermittlung der raeumlichen verteilung einer strahlung in einer ebene eines koerpers |
US4149247A (en) * | 1975-12-23 | 1979-04-10 | Varian Associates, Inc. | Tomographic apparatus and method for reconstructing planar slices from non-absorbed and non-scattered radiation |
NL7607976A (nl) * | 1976-07-19 | 1978-01-23 | Optische Ind De Oude Delft Nv | Inrichting voor tomografie met voorzieningen waardoor signaalprofielen afgeleid van een di- vergerende stralingsbundel kunnen worden gere- construeerd in signaalprofielen die elk corre- sponderen met een bundel van evenwijdig inval- lende stralen. |
NL7609885A (nl) * | 1976-09-06 | 1978-03-08 | Optische Ind De Oude Delft Nv | Stelsel voor het elementsgewijs reconstrueren van een tomogram van een dwarsdoorsnede van een object. |
US4135247A (en) * | 1977-08-15 | 1979-01-16 | Siemens Aktiengesellschaft | Tomography signal processing system |
DE2816462A1 (de) * | 1978-04-15 | 1979-10-25 | Philips Patentverwaltung | Verfahren zur erzeugung verbesserter rekonstruktionsbilder in computer-tomographiegeraeten |
US4202014A (en) * | 1978-07-13 | 1980-05-06 | Sperry Corporation | Pulse modulated automatic light control |
DE2844927A1 (de) * | 1978-10-14 | 1980-04-30 | Philips Patentverwaltung | Verfahren zur ermittlung des koerperrandes zur rekonstruktion einer absorptionsverteilung in einem ebenen untersuchungsbereich eines koerpers |
DE2901406A1 (de) * | 1979-01-15 | 1980-07-24 | Philips Patentverwaltung | Verfahren zur ermittlung des koerperrandes zur rekonstruktion der absorption von strahlung in einem ebenen bereich eines koerpers |
-
1979
- 1979-07-06 NL NL7905282A patent/NL7905282A/nl not_active Application Discontinuation
-
1980
- 1980-07-02 EP EP80200633A patent/EP0022299B1/de not_active Expired
- 1980-07-02 DE DE8080200633T patent/DE3070773D1/de not_active Expired
- 1980-07-03 CA CA000355356A patent/CA1150858A/en not_active Expired
- 1980-07-04 JP JP9082180A patent/JPS5611041A/ja active Granted
- 1980-07-08 US US06/166,887 patent/US4374419A/en not_active Expired - Lifetime
- 1980-07-08 IL IL60520A patent/IL60520A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0022299B1 (de) | 1985-06-19 |
IL60520A0 (en) | 1980-09-16 |
CA1150858A (en) | 1983-07-26 |
NL7905282A (nl) | 1981-01-08 |
IL60520A (en) | 1982-12-31 |
JPS6411298B2 (de) | 1989-02-23 |
US4374419A (en) | 1983-02-15 |
JPS5611041A (en) | 1981-02-04 |
EP0022299A1 (de) | 1981-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |