NL8103799A - Numerieke inrichting voor het van elkaar aftrekken van roentgenbeelden met hoge en lage energie. - Google Patents
Numerieke inrichting voor het van elkaar aftrekken van roentgenbeelden met hoge en lage energie. Download PDFInfo
- Publication number
- NL8103799A NL8103799A NL8103799A NL8103799A NL8103799A NL 8103799 A NL8103799 A NL 8103799A NL 8103799 A NL8103799 A NL 8103799A NL 8103799 A NL8103799 A NL 8103799A NL 8103799 A NL8103799 A NL 8103799A
- Authority
- NL
- Netherlands
- Prior art keywords
- ray
- signals
- image
- images
- pair
- Prior art date
Links
- 238000009423 ventilation Methods 0.000 title 1
- 230000015654 memory Effects 0.000 claims description 41
- 230000002238 attenuated effect Effects 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims 1
- 230000004044 response Effects 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 description 15
- 229910052740 iodine Inorganic materials 0.000 description 9
- 239000011630 iodine Substances 0.000 description 9
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 8
- 210000000988 bone and bone Anatomy 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- 210000004872 soft tissue Anatomy 0.000 description 6
- 239000002872 contrast media Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 150000002497 iodine compounds Chemical class 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002594 fluoroscopy Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/32—Transforming X-rays
- H04N5/3205—Transforming X-rays using subtraction imaging techniques
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- X-Ray Techniques (AREA)
- Closed-Circuit Television Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17920380A | 1980-08-18 | 1980-08-18 | |
| US17920380 | 1980-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8103799A true NL8103799A (nl) | 1982-03-16 |
Family
ID=22655653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8103799A NL8103799A (nl) | 1980-08-18 | 1981-08-13 | Numerieke inrichting voor het van elkaar aftrekken van roentgenbeelden met hoge en lage energie. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5775638A (de) |
| DE (1) | DE3131651A1 (de) |
| NL (1) | NL8103799A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393402A (en) * | 1981-06-08 | 1983-07-12 | General Electric Company | Subtraction fluoroscopy method and apparatus |
| US4482918A (en) * | 1982-04-26 | 1984-11-13 | General Electric Company | Method and apparatus for X-ray image subtraction |
| JPH0614746B2 (ja) * | 1984-09-13 | 1994-02-23 | 株式会社東芝 | Ｘ線画像処理装置 |
| JPH02500884A (ja) * | 1987-06-24 | 1990-03-29 | ハマン，ゲオルク | 有機体における細胞変化を検査するための方法および装置 |
| WO1989008427A1 (fr) * | 1988-03-08 | 1989-09-21 | Fraunhofer-Gesellschaft Zur Förderung Der Angewand | Dispositif pour l'etablissement d'une angiographie |
| DE4230974C1 (de) * | 1992-09-16 | 1993-12-09 | Siemens Ag | Röntgeneinrichtung zur Erzeugung von Röntgenmehrspektren-Fernsehbildern |
| US6636582B2 (en) * | 2001-11-08 | 2003-10-21 | Ge Medical Systems Global Technology Co., Llc | Multiple energy x-ray imaging techniques |
-
1981
- 1981-08-11 DE DE3131651A patent/DE3131651A1/de not_active Withdrawn
- 1981-08-13 NL NL8103799A patent/NL8103799A/nl not_active Application Discontinuation
- 1981-08-18 JP JP56128277A patent/JPS5775638A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3131651A1 (de) | 1982-05-27 |
| JPS5775638A (en) | 1982-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |