FR2260144B2 - - Google Patents
Info
- Publication number
- FR2260144B2 FR2260144B2 FR7502915A FR7502915A FR2260144B2 FR 2260144 B2 FR2260144 B2 FR 2260144B2 FR 7502915 A FR7502915 A FR 7502915A FR 7502915 A FR7502915 A FR 7502915A FR 2260144 B2 FR2260144 B2 FR 2260144B2
- Authority
- FR
- France
- 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
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- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4071—Pencil beams
-
- 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]
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- 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
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- 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]
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (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)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Biophysics (AREA)
- Algebra (AREA)
- Pulmonology (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB456474 | 1974-01-31 | ||
GB1994074 | 1974-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2260144A2 FR2260144A2 (en) | 1975-08-29 |
FR2260144B2 true FR2260144B2 (ru) | 1979-05-18 |
Family
ID=26239229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7502915A Granted FR2260144A2 (en) | 1974-01-31 | 1975-01-30 | Short-wave radiation absorption measuring equipment - processes data to obtain set of convoluted terms |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS50109783A (ru) |
FR (1) | FR2260144A2 (ru) |
NL (1) | NL7501206A (ru) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1069995B (it) * | 1975-11-25 | 1985-03-25 | Philips Med Syst Inc | Procedimento ed apparecchio di tomografia computerizzata |
JPH0119932Y2 (ru) * | 1978-01-19 | 1989-06-09 |
-
1975
- 1975-01-29 JP JP50012303A patent/JPS50109783A/ja active Pending
- 1975-01-30 FR FR7502915A patent/FR2260144A2/fr active Granted
- 1975-01-31 NL NL7501206A patent/NL7501206A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2260144A2 (en) | 1975-08-29 |
JPS50109783A (ru) | 1975-08-29 |
NL7501206A (nl) | 1975-08-04 |