CA1101132A - Method of and device for generating coded images by means of a multiple radiation source - Google Patents
Method of and device for generating coded images by means of a multiple radiation sourceInfo
- Publication number
- CA1101132A CA1101132A CA270,922A CA270922A CA1101132A CA 1101132 A CA1101132 A CA 1101132A CA 270922 A CA270922 A CA 270922A CA 1101132 A CA1101132 A CA 1101132A
- Authority
- CA
- Canada
- Prior art keywords
- images
- radiation sources
- tubes
- radiation source
- ray
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
- G03B42/026—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays for obtaining three-dimensional pictures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/70—Circuit arrangements for X-ray tubes with more than one anode; Circuit arrangements for apparatus comprising more than one X ray tube or more than one cathode
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)
- 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)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Radiography Using Non-Light Waves (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Abstract
PHD. 76-025.
18-1-1977.
ABSTRACT:
The invention provides a method of generat-ing coded images of three-dimensional objects with an incoherent or mutually coherent point distribution of radiation sources. Various individual radiation sources which are arranged in a container are simultaneously activated at brief intervals by means of a generator and a control unit. Superposition images of the objects are formed on a detector surface. In these images the three-dimensional object information is stored which is subsequently decoded to form layer images.
18-1-1977.
ABSTRACT:
The invention provides a method of generat-ing coded images of three-dimensional objects with an incoherent or mutually coherent point distribution of radiation sources. Various individual radiation sources which are arranged in a container are simultaneously activated at brief intervals by means of a generator and a control unit. Superposition images of the objects are formed on a detector surface. In these images the three-dimensional object information is stored which is subsequently decoded to form layer images.
Description
1~()1~3Z
The invention relates to a method of and a device for generating coded images of three-dimensional objects with an incoherent or mutually coherent point distribution of the radiation sources.
The use of so-termed non-redundant point dis-tributions as a multiple projection system for the record-- ing of coded images of three-dimensional X-ray objects is known for example from Optics Communications Vol. 11, No. 4 (1974), page 368 and from Vol. 12, No. 2 (1974) page 183, and IEEE C-24, page 391 (177). These coded images can be decoded, for example, in accordance with a method known from German Offenlegungsschrift 2,414,322 - 09-10-1975-Philips Patentverw.
The point distributions may be incDherent as well as mutually coherent.
The invention has for its object to provide a method and a device comprising radiation sources in accordance with the said point distributions which can be readily realized and whereby moving objects, for ` 20 example, the beating heart, contrast medium in blood vessels, etc., can also be recorded in coded form.
To th;s end, a method in accordance with the invention is characterized in that several separate
The invention relates to a method of and a device for generating coded images of three-dimensional objects with an incoherent or mutually coherent point distribution of the radiation sources.
The use of so-termed non-redundant point dis-tributions as a multiple projection system for the record-- ing of coded images of three-dimensional X-ray objects is known for example from Optics Communications Vol. 11, No. 4 (1974), page 368 and from Vol. 12, No. 2 (1974) page 183, and IEEE C-24, page 391 (177). These coded images can be decoded, for example, in accordance with a method known from German Offenlegungsschrift 2,414,322 - 09-10-1975-Philips Patentverw.
The point distributions may be incDherent as well as mutually coherent.
The invention has for its object to provide a method and a device comprising radiation sources in accordance with the said point distributions which can be readily realized and whereby moving objects, for ` 20 example, the beating heart, contrast medium in blood vessels, etc., can also be recorded in coded form.
To th;s end, a method in accordance with the invention is characterized in that several separate
- 2 -, , ~i 1~01132 , _ PHD. 76-025.
radiation sources which are arranged in a container are - - simultaneously actuated at brief intervals by means of generator and a control unit, superposition images of the objects being formed, on a detector surface, in whi~h the three-dimensional object information is stored for subsequent decoding to form layer images.
A few preferred embodiments in accordance with the invention will be described in detail herein-after with reference to the diagrammatic drawings.
~ ~ 10 Fig. 1 shows a multiple radiation source for ; recording a coded image by wa~ of X-rays.
: Fig. 2 shows a multiple radiation source operating in accordance with the coherent-code principle.
, ~ .
Fig. 3 shows two positions of the multiple radiation source with an associated detector surface.
In ~ig. 1, the radiation sources of a multiple :.: :.:
`~ ~ radiation source are provided in the form of separate X-ray tubes 1, for example, tubes comprising a fixed anode, which are arranged in a r~diation-resistant con-tainer 3, filled with oil 2, according to given distri-butions, and are controlled by a generator 4 and a control unit 5. The radiation 7 emitted through the windows 6, stopped by the apertures 8, irradiate the object ~ to i~ ~ be examined and form a coded image 11 on the detector 25 ~ our~face 10.
; I~ accordance with Figure 2, two multiple ,~
- . , ':
- ~ ~ 3 - ;
:
- ` . 11~;)1~32 PHD. 76-025.
- 18-1-1977.
radiation sources 12 and 13 which are coherent relative to each other and which consist of the parts 2, 3, 6 and 8 (see Figure 1) arF activated one briefly after the other by a control unit 16 via a switching device 14 and a generator 15. The two multiple radiation sources can also comprise separate generators.
Figure 3 shows a simplified recording con-struction, comprising a multiple radiation source 17, - an object 18 to be irradiated and a detector surface 19.
For the recording of inclined object slices, the multiple radiation source and the detector surface can be arbi-trarily pivoted around the object 18 as denoted by the broken lines 20 and 21 in Figure 3.
The activating of the multiple radiation source can be cinematographically effected in order to enable reproduction of the movements. The multiple ra-diation source, however, can also be continuously ope-rated for object fluoroscopy. The focusses of the indi-vidual tubes can be advantageously aligned when center-ed in the direction of the object to be imaged.
~ The multiple radiation source can also be -~ provided with an additional separate ~ube whereb~ con-`~ ~ ventional exposures can be realized. .
`:
-: ~ :' ' ; ~ f ~, .,~ ~ , I
.
' , '- ' .
radiation sources which are arranged in a container are - - simultaneously actuated at brief intervals by means of generator and a control unit, superposition images of the objects being formed, on a detector surface, in whi~h the three-dimensional object information is stored for subsequent decoding to form layer images.
A few preferred embodiments in accordance with the invention will be described in detail herein-after with reference to the diagrammatic drawings.
~ ~ 10 Fig. 1 shows a multiple radiation source for ; recording a coded image by wa~ of X-rays.
: Fig. 2 shows a multiple radiation source operating in accordance with the coherent-code principle.
, ~ .
Fig. 3 shows two positions of the multiple radiation source with an associated detector surface.
In ~ig. 1, the radiation sources of a multiple :.: :.:
`~ ~ radiation source are provided in the form of separate X-ray tubes 1, for example, tubes comprising a fixed anode, which are arranged in a r~diation-resistant con-tainer 3, filled with oil 2, according to given distri-butions, and are controlled by a generator 4 and a control unit 5. The radiation 7 emitted through the windows 6, stopped by the apertures 8, irradiate the object ~ to i~ ~ be examined and form a coded image 11 on the detector 25 ~ our~face 10.
; I~ accordance with Figure 2, two multiple ,~
- . , ':
- ~ ~ 3 - ;
:
- ` . 11~;)1~32 PHD. 76-025.
- 18-1-1977.
radiation sources 12 and 13 which are coherent relative to each other and which consist of the parts 2, 3, 6 and 8 (see Figure 1) arF activated one briefly after the other by a control unit 16 via a switching device 14 and a generator 15. The two multiple radiation sources can also comprise separate generators.
Figure 3 shows a simplified recording con-struction, comprising a multiple radiation source 17, - an object 18 to be irradiated and a detector surface 19.
For the recording of inclined object slices, the multiple radiation source and the detector surface can be arbi-trarily pivoted around the object 18 as denoted by the broken lines 20 and 21 in Figure 3.
The activating of the multiple radiation source can be cinematographically effected in order to enable reproduction of the movements. The multiple ra-diation source, however, can also be continuously ope-rated for object fluoroscopy. The focusses of the indi-vidual tubes can be advantageously aligned when center-ed in the direction of the object to be imaged.
~ The multiple radiation source can also be -~ provided with an additional separate ~ube whereb~ con-`~ ~ ventional exposures can be realized. .
`:
-: ~ :' ' ; ~ f ~, .,~ ~ , I
.
' , '- ' .
Claims (3)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A device for generating coded images of three-dimensional objects with an incoherent or mutually coher-ent point distribution of X-ray radiation sources, charac-terized in that several separate fixed anode X-ray tubes of which the focusses of the individual tubes are aligned in the direction of the object to be imaged, the tubes being arranged in a common container and being simultane-ously activatable at brief intervals by means of a generator and a control unit, each tube being provided with a radia-tion aperture.
2. A device as claimed in claim 1, characterized in that the X-ray radiation sources are divided into groups, the distribution of the individual radiation sources of each group being coherent relative to each other, each group of tubes having a separate generator.
3. A device claimed in claim 1 or claim 2, charac-terized in that an additional separate source is added to the multiple radiation source for generating single X-ray images.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP.2605497.7 | 1976-02-12 | ||
| DE19762605497 DE2605497A1 (en) | 1976-02-12 | 1976-02-12 | METHOD AND DEVICE FOR GENERATING CODED IMAGES WITH A MULTIPLE RADIATION SOURCE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1101132A true CA1101132A (en) | 1981-05-12 |
Family
ID=5969665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA270,922A Expired CA1101132A (en) | 1976-02-12 | 1977-02-02 | Method of and device for generating coded images by means of a multiple radiation source |
Country Status (13)
| Country | Link |
|---|---|
| JP (2) | JPS5298490A (en) |
| AU (1) | AU509318B2 (en) |
| BE (1) | BE851311A (en) |
| BR (1) | BR7700804A (en) |
| CA (1) | CA1101132A (en) |
| DD (1) | DD128602A5 (en) |
| DE (1) | DE2605497A1 (en) |
| ES (1) | ES455806A1 (en) |
| FI (1) | FI770426A (en) |
| FR (1) | FR2341149A1 (en) |
| GB (1) | GB1572421A (en) |
| NL (1) | NL7701285A (en) |
| SE (1) | SE7701399L (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2646118A1 (en) * | 1976-10-13 | 1978-04-20 | Philips Patentverwaltung | ARRANGEMENT FOR GENERATING TWO AND / OR THREE-DIMENSIONAL IMAGES OF THREE-DIMENSIONAL OBJECTS |
| DE2647167A1 (en) * | 1976-10-19 | 1978-04-20 | Siemens Ag | PROCESS FOR THE PRODUCTION OF LAYERS WITH X-RAYS OR SIMILAR PENETRATING RAYS |
| DE2650237C2 (en) * | 1976-11-02 | 1985-05-02 | Siemens AG, 1000 Berlin und 8000 München | X-ray diagnostic device for the production of transverse slice images |
| DE2658533A1 (en) * | 1976-12-23 | 1978-06-29 | Siemens Ag | DEVICE FOR REPRESENTING LIGHTING BODY LAYER IMAGES |
| DE2712320A1 (en) * | 1977-03-21 | 1978-09-28 | Siemens Ag | X-RAY DIAGNOSTIC DEVICE FOR X-RAY SLAT IMAGES |
| DE2747918C2 (en) * | 1977-10-26 | 1983-11-24 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Layer representation method for spatial objects from separately produced perspective images |
| AU4326979A (en) * | 1978-01-13 | 1979-07-19 | N.V. Philips Gloeilampenfabrieken | X-ray apparatus for tomosynthesis |
| DE2801940A1 (en) * | 1978-01-18 | 1979-07-19 | Philips Patentverwaltung | Three=dimensional imaging system - uses groups of light sources providing sets of partial images in respective recording planes of e.g. film |
| DE2801329C2 (en) * | 1978-01-13 | 1985-05-02 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Arrangement for carrying out a method for recording and reproducing three-dimensional objects in layers with the aid of perspective images |
| FR2425836A1 (en) * | 1978-05-16 | 1979-12-14 | Radiologie Cie Gle | SINGLE SLEEVE TOMOGRAPHIC APPARATUS CARRYING X-RAY TUBES AND DETECTORS |
| DE3006828A1 (en) * | 1980-02-23 | 1981-09-10 | Philips Patentverwaltung Gmbh, 2000 Hamburg | DEVICE FOR GENERATING LAYER IMAGES OF A THREE-DIMENSIONAL OBJECT BY USING OVERLAY ZONOGRAMS |
| DE3037621A1 (en) * | 1980-10-04 | 1982-05-27 | Philips Patentverwaltung Gmbh, 2000 Hamburg | TRANSLUCTION ARRANGEMENT FOR TAKING LAYER IMAGES OF A THREE-DIMENSIONAL OBJECT |
| DE102006046741A1 (en) * | 2006-09-29 | 2008-04-10 | Siemens Ag | X-ray system and method for tomosynthesis scanning |
| EP2130494A1 (en) * | 2008-06-06 | 2009-12-09 | Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) | Scanner device and method for computed tomography imaging |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR511211A (en) * | 1920-03-08 | 1920-12-20 | Ernest Camille Saleil | Method and devices for the use in x-ray tubes of the two alternating waves of the high voltage transformer |
| US2286091A (en) * | 1939-07-22 | 1942-06-09 | George W Haug | X-ray tube and system therefor |
| GB860758A (en) * | 1957-04-26 | 1961-02-08 | Dennis Parker Riley | Improvements in or relating to x-ray tubes and circuit arrangements |
| US3746872A (en) * | 1971-07-27 | 1973-07-17 | Nuclear Chicago Corp | Tomography technique in which a single recording film retains spatial information to permit constructing all planar sections of object |
| DE2339758C3 (en) * | 1973-08-06 | 1979-04-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | X-ray diagnostic device for the production of a transverse slice image |
| DE2442809A1 (en) * | 1974-09-06 | 1976-03-18 | Philips Patentverwaltung | ARRANGEMENT FOR DETERMINING ABSORPTION IN A BODY |
| FR2304321A1 (en) * | 1975-03-20 | 1976-10-15 | Emi Ltd | X-ray scanning system - with multiple detectors providing detailed absorption data for a body under examination |
-
1976
- 1976-02-12 DE DE19762605497 patent/DE2605497A1/en not_active Ceased
-
1977
- 1977-02-02 CA CA270,922A patent/CA1101132A/en not_active Expired
- 1977-02-08 NL NL7701285A patent/NL7701285A/en not_active Application Discontinuation
- 1977-02-09 AU AU22115/77A patent/AU509318B2/en not_active Expired
- 1977-02-09 FI FI770426A patent/FI770426A/fi not_active Application Discontinuation
- 1977-02-09 JP JP1256977A patent/JPS5298490A/en active Pending
- 1977-02-09 DD DD7700197295A patent/DD128602A5/en unknown
- 1977-02-09 BR BR7700804A patent/BR7700804A/en unknown
- 1977-02-09 SE SE7701399A patent/SE7701399L/en unknown
- 1977-02-09 GB GB5297/77A patent/GB1572421A/en not_active Expired
- 1977-02-10 BE BE174837A patent/BE851311A/en not_active IP Right Cessation
- 1977-02-10 ES ES455806A patent/ES455806A1/en not_active Expired
- 1977-02-11 FR FR7703843A patent/FR2341149A1/en active Granted
-
1983
- 1983-08-22 JP JP1983128510U patent/JPS5953011U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7701285A (en) | 1977-08-16 |
| JPH0123444Y2 (en) | 1989-07-19 |
| FI770426A (en) | 1977-08-13 |
| FR2341149A1 (en) | 1977-09-09 |
| FR2341149B1 (en) | 1983-05-27 |
| SE7701399L (en) | 1977-08-13 |
| AU2211577A (en) | 1978-08-17 |
| AU509318B2 (en) | 1980-05-08 |
| DE2605497A1 (en) | 1977-08-18 |
| GB1572421A (en) | 1980-07-30 |
| JPS5953011U (en) | 1984-04-07 |
| ES455806A1 (en) | 1978-02-01 |
| DD128602A5 (en) | 1977-11-30 |
| BE851311A (en) | 1977-08-10 |
| JPS5298490A (en) | 1977-08-18 |
| BR7700804A (en) | 1977-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |