JPS6411297B2 - - Google Patents
Info
- Publication number
- JPS6411297B2 JPS6411297B2 JP55116896A JP11689680A JPS6411297B2 JP S6411297 B2 JPS6411297 B2 JP S6411297B2 JP 55116896 A JP55116896 A JP 55116896A JP 11689680 A JP11689680 A JP 11689680A JP S6411297 B2 JPS6411297 B2 JP S6411297B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- radiation
- measured
- reflection
- detection
- 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
- 238000001514 detection method Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 38
- 230000005855 radiation Effects 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 12
- 238000002591 computed tomography Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 58
- 238000003325 tomography Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010061216 Infarction Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 230000010247 heart contraction Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000007574 infarction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 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)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/069,658 US4284896A (en) | 1979-08-24 | 1979-08-24 | Computerized tomographic reconstruction method and system utilizing reflection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5652040A JPS5652040A (en) | 1981-05-09 |
| JPS6411297B2 true JPS6411297B2 (en]) | 1989-02-23 |
Family
ID=22090409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11689680A Granted JPS5652040A (en) | 1979-08-24 | 1980-08-25 | Secondary image constitution method and apparatus |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4284896A (en]) |
| JP (1) | JPS5652040A (en]) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559597A (en) * | 1982-07-07 | 1985-12-17 | Clayton Foundation For Research | Three-dimensional time-of-flight positron emission camera system |
| US4494141A (en) * | 1982-09-30 | 1985-01-15 | General Electric Company | Dual purpose array processor for a CT scanner |
| US4907157A (en) * | 1984-09-05 | 1990-03-06 | Kabushiki Kaisha Toshiba | Method and system for allowing imaging of any size object through use of separate source and detector unit |
| JPH0750501B2 (ja) * | 1984-09-19 | 1995-05-31 | 株式会社日立メディコ | Ｘ線ｃｔ装置 |
| JPS61209641A (ja) * | 1985-03-15 | 1986-09-17 | 株式会社東芝 | Ｘ線ｃｔ装置 |
| US4707822A (en) * | 1985-05-09 | 1987-11-17 | Kabushiki Kaisha Toshiba | Tomographic apparatus |
| 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 |
| JP2534664B2 (ja) * | 1986-03-31 | 1996-09-18 | 株式会社東芝 | Ｘ線ｃｔ装置 |
| JPS62231626A (ja) * | 1986-03-31 | 1987-10-12 | 株式会社東芝 | Ｘ線ｃｔ装置 |
| JP2534672B2 (ja) * | 1986-06-24 | 1996-09-18 | 株式会社東芝 | Ｘ線ｃｔ装置 |
| US5270923A (en) * | 1989-11-02 | 1993-12-14 | General Electric Company | Computed tomographic image reconstruction method for helical scanning using interpolation of partial scans for image construction |
| US5233518A (en) * | 1989-11-13 | 1993-08-03 | General Electric Company | Extrapolative reconstruction method for helical scanning |
| US5208746A (en) * | 1989-11-22 | 1993-05-04 | General Electric Company | Method for helical scanning with a stationary detector using rebinning and splicing to create detector vertex projection sets |
| US5216601A (en) * | 1989-11-22 | 1993-06-01 | General Electric Company | Method for fan beam helical scanning using rebinning |
| US5800496A (en) * | 1996-06-24 | 1998-09-01 | Medtronic, Inc. | Medical electrical lead having a crush resistant lead body |
| US6041132A (en) * | 1997-07-29 | 2000-03-21 | General Electric Company | Computed tomography inspection of composite ply structure |
| US6904118B2 (en) * | 2002-07-23 | 2005-06-07 | General Electric Company | Method and apparatus for generating a density map using dual-energy CT |
| US7639774B2 (en) * | 2003-12-23 | 2009-12-29 | General Electric Company | Method and apparatus for employing multiple axial-sources |
| US7333587B2 (en) * | 2004-02-27 | 2008-02-19 | General Electric Company | Method and system for imaging using multiple offset X-ray emission points |
| US20080056432A1 (en) * | 2006-08-30 | 2008-03-06 | General Electric Company | Reconstruction of CT projection data |
| US7616731B2 (en) * | 2006-08-30 | 2009-11-10 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
| US7835486B2 (en) * | 2006-08-30 | 2010-11-16 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
| US7706499B2 (en) * | 2006-08-30 | 2010-04-27 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126787A (en) * | 1974-01-31 | 1978-11-21 | Emi Limited | Radiography |
| US4149248A (en) * | 1975-12-23 | 1979-04-10 | Varian Associates, Inc. | Apparatus and method for reconstructing data |
| JPS53126892A (en) * | 1977-04-12 | 1978-11-06 | Toshiba Corp | Computer tomographic diagnosis apparatus |
| DE2723401A1 (de) * | 1977-05-24 | 1978-12-07 | Siemens Ag | Schichtgeraet zur herstellung von transversalschichtbildern |
-
1979
- 1979-08-24 US US06/069,658 patent/US4284896A/en not_active Expired - Lifetime
-
1980
- 1980-08-25 JP JP11689680A patent/JPS5652040A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4284896A (en) | 1981-08-18 |
| JPS5652040A (en) | 1981-05-09 |
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