JPH0587793B2 - - Google Patents
Info
- Publication number
- JPH0587793B2 JPH0587793B2 JP26789987A JP26789987A JPH0587793B2 JP H0587793 B2 JPH0587793 B2 JP H0587793B2 JP 26789987 A JP26789987 A JP 26789987A JP 26789987 A JP26789987 A JP 26789987A JP H0587793 B2 JPH0587793 B2 JP H0587793B2
- Authority
- JP
- Japan
- Prior art keywords
- detector
- code signal
- address
- detectors
- pair
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 7
- 230000015654 memory Effects 0.000 description 45
- 238000010586 diagram Methods 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine (AREA)
- Measurement Of Radiation (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62267899A JPH01109285A (ja) | 1987-10-22 | 1987-10-22 | ポジトロンct装置の投影データアドレス変換方法及び装置 |
| US07/341,172 US5003474A (en) | 1987-10-22 | 1989-04-21 | Method and apparatus for performing address transformation of projection data for use in positron computed tomography system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62267899A JPH01109285A (ja) | 1987-10-22 | 1987-10-22 | ポジトロンct装置の投影データアドレス変換方法及び装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01109285A JPH01109285A (ja) | 1989-04-26 |
| JPH0587793B2 true JPH0587793B2 (enExample) | 1993-12-17 |
Family
ID=17451167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62267899A Granted JPH01109285A (ja) | 1987-10-22 | 1987-10-22 | ポジトロンct装置の投影データアドレス変換方法及び装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5003474A (enExample) |
| JP (1) | JPH01109285A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0429283B1 (en) * | 1989-11-20 | 1999-01-20 | Canon Kabushiki Kaisha | Image processing apparatus |
| US5323007A (en) * | 1992-02-07 | 1994-06-21 | Univ. Of Chicago Development Corp. Argonne National Laboratories | Method of recovering tomographic signal elements in a projection profile or image by solving linear equations |
| US5416817A (en) * | 1992-03-23 | 1995-05-16 | Siemens Aktiengesellschaft | Method of operating a fan beam computer tomography apparatus |
| DE4209375A1 (de) * | 1992-03-23 | 1993-09-30 | Siemens Ag | Fächerstrahl-Computertomograph |
-
1987
- 1987-10-22 JP JP62267899A patent/JPH01109285A/ja active Granted
-
1989
- 1989-04-21 US US07/341,172 patent/US5003474A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01109285A (ja) | 1989-04-26 |
| US5003474A (en) | 1991-03-26 |
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