FR2378289B2 - - Google Patents
Info
- Publication number
- FR2378289B2 FR2378289B2 FR7719156A FR7719156A FR2378289B2 FR 2378289 B2 FR2378289 B2 FR 2378289B2 FR 7719156 A FR7719156 A FR 7719156A FR 7719156 A FR7719156 A FR 7719156A FR 2378289 B2 FR2378289 B2 FR 2378289B2
- 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
-
- 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
-
- 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
-
- 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]
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- High Energy & Nuclear Physics (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)
- Image Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Image Analysis (AREA)
- Medical Treatment And Welfare Office Work (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/760,492 US4149249A (en) | 1975-12-23 | 1977-01-19 | Apparatus and method for reconstructing data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2378289A2 FR2378289A2 (fr) | 1978-08-18 |
| FR2378289B2 true FR2378289B2 (US06818201-20041116-C00086.png) | 1983-08-19 |
Family
ID=25059266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7719156A Granted FR2378289A2 (fr) | 1977-01-19 | 1977-06-22 | Appareil et procede de reconstitution de donnees |
Country Status (7)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816462A1 (de) * | 1978-04-15 | 1979-10-25 | Philips Patentverwaltung | Verfahren zur erzeugung verbesserter rekonstruktionsbilder in computer-tomographiegeraeten |
| NL8204086A (nl) * | 1982-10-22 | 1984-05-16 | Philips Nv | Werkwijze en inrichting voor het bepalen van een stralingsverzwakkingsverdeling in een vlak van een lichaam. |
| JPH0441844Y2 (US06818201-20041116-C00086.png) * | 1984-11-02 | 1992-10-01 | ||
| JP4585815B2 (ja) * | 2004-09-03 | 2010-11-24 | キヤノン株式会社 | 情報処理装置、撮影システム、吸収係数補正方法、及びコンピュータプログラム |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1283915A (en) * | 1968-08-23 | 1972-08-02 | Emi Ltd | A method of and apparatus for examination of a body by radiation such as x or gamma radiation |
| GB1471531A (en) * | 1973-04-25 | 1977-04-27 | Emi Ltd | Radiography |
| GB1478123A (en) * | 1973-08-18 | 1977-06-29 | Emi Ltd | Tomography |
| JPS522186A (en) * | 1974-11-29 | 1977-01-08 | Univ Leland Stanford Junior | Device for detecting and stopping divergent transmissive radiation and threeedimensional sectional camera device |
| GB1537487A (en) * | 1975-03-18 | 1978-12-29 | Emi Ltd | Radiography |
| 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 |
-
1977
- 1977-06-21 NL NL7706873A patent/NL7706873A/xx not_active Application Discontinuation
- 1977-06-21 CA CA281,098A patent/CA1111575A/en not_active Expired
- 1977-06-21 IT IT24896/77A patent/IT1151463B/it active
- 1977-06-21 JP JP7290077A patent/JPS5396689A/ja active Granted
- 1977-06-22 FR FR7719156A patent/FR2378289A2/fr active Granted
- 1977-06-22 SE SE7707270A patent/SE437763B/xx unknown
- 1977-08-05 DE DE19772735437 patent/DE2735437A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2735437A1 (de) | 1978-07-20 |
| SE437763B (sv) | 1985-03-18 |
| JPS5396689A (en) | 1978-08-24 |
| JPS6314983B2 (US06818201-20041116-C00086.png) | 1988-04-02 |
| FR2378289A2 (fr) | 1978-08-18 |
| NL7706873A (nl) | 1978-07-21 |
| CA1111575A (en) | 1981-10-27 |
| SE7707270L (sv) | 1978-07-20 |
| IT1151463B (it) | 1986-12-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |