FR2451148A1 - Appareil de tomographie pourvu de moyens de calibrage initial - Google Patents
Appareil de tomographie pourvu de moyens de calibrage initialInfo
- Publication number
- FR2451148A1 FR2451148A1 FR8011107A FR8011107A FR2451148A1 FR 2451148 A1 FR2451148 A1 FR 2451148A1 FR 8011107 A FR8011107 A FR 8011107A FR 8011107 A FR8011107 A FR 8011107A FR 2451148 A1 FR2451148 A1 FR 2451148A1
- Authority
- FR
- France
- Prior art keywords
- photomultipliers
- signal amplitudes
- processor
- utilises
- initial calibration
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/585—Calibration of detector units
-
- 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]
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Theoretical Computer Science (AREA)
- Pulmonology (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB20259/74A GB1508300A (en) | 1974-05-08 | 1974-05-08 | Radiology |
GB2025975 | 1975-04-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2451148A1 true FR2451148A1 (fr) | 1980-10-03 |
FR2451148B1 FR2451148B1 (nl) | 1983-12-30 |
Family
ID=26254565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8011107A Granted FR2451148A1 (fr) | 1974-05-08 | 1980-05-19 | Appareil de tomographie pourvu de moyens de calibrage initial |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2451148A1 (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0030143A2 (en) * | 1979-11-29 | 1981-06-10 | Technicare Corporation | Apparatus for preprocessing truncated intensity projection values in computed tomography |
-
1980
- 1980-05-19 FR FR8011107A patent/FR2451148A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0030143A2 (en) * | 1979-11-29 | 1981-06-10 | Technicare Corporation | Apparatus for preprocessing truncated intensity projection values in computed tomography |
EP0030143A3 (en) * | 1979-11-29 | 1981-12-23 | Technicare Corporation | Method of preprocessing truncated intensity projection values in computed tomography |
Also Published As
Publication number | Publication date |
---|---|
FR2451148B1 (nl) | 1983-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |