JPS592734A - Ｘ線像を処理する方法及び装置 - Google Patents
Ｘ線像を処理する方法及び装置Info
- Publication number
- JPS592734A JPS592734A JP58103573A JP10357383A JPS592734A JP S592734 A JPS592734 A JP S592734A JP 58103573 A JP58103573 A JP 58103573A JP 10357383 A JP10357383 A JP 10357383A JP S592734 A JPS592734 A JP S592734A
- Authority
- JP
- Japan
- Prior art keywords
- image
- difference
- peak value
- ray
- circuit
- 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
- 238000000034 method Methods 0.000 title claims description 15
- 230000015654 memory Effects 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 8
- 238000012937 correction Methods 0.000 claims description 5
- 230000003134 recirculating effect Effects 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 239000002872 contrast media Substances 0.000 description 5
- 101150034884 ado1 gene Proteins 0.000 description 3
- 210000000748 cardiovascular system Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 210000005166 vasculature Anatomy 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)
- Image Analysis (AREA)
- Closed-Circuit Television Systems (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8202415 | 1982-06-15 | ||
| NL8202415A NL8202415A (nl) | 1982-06-15 | 1982-06-15 | Werkwijze en inrichting voor verschilbeeldbepaling. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS592734A true JPS592734A (ja) | 1984-01-09 |
| JPH0425755B2 JPH0425755B2 (enExample) | 1992-05-01 |
Family
ID=19839882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58103573A Granted JPS592734A (ja) | 1982-06-15 | 1983-06-11 | Ｘ線像を処理する方法及び装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4491866A (enExample) |
| EP (1) | EP0096941B1 (enExample) |
| JP (1) | JPS592734A (enExample) |
| CA (1) | CA1205218A (enExample) |
| DE (1) | DE3366245D1 (enExample) |
| NL (1) | NL8202415A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561054A (en) * | 1983-10-13 | 1985-12-24 | General Electric Company | Film-based dual energy radiography |
| CA1226976A (en) * | 1984-03-30 | 1987-09-15 | Nobuyoshi Nakajima | Method and apparatus for automatically correcting subtraction image density |
| JPS62122635A (ja) * | 1985-11-22 | 1987-06-03 | 株式会社東芝 | 放射線画像処理装置 |
| GB0105801D0 (en) * | 2001-03-09 | 2001-04-25 | Koninkl Philips Electronics Nv | Apparatus |
| US6896697B1 (en) | 2002-12-30 | 2005-05-24 | Advanced Cardiovascular Systems, Inc. | Intravascular stent |
| US7544192B2 (en) | 2003-03-14 | 2009-06-09 | Sinexus, Inc. | Sinus delivery of sustained release therapeutics |
| WO2010127040A1 (en) | 2009-04-28 | 2010-11-04 | Endologix, Inc. | Apparatus and method of placement of a graft or graft system |
| CA3001814C (en) | 2009-05-15 | 2020-12-22 | Intersect Ent, Inc. | Expandable devices and methods therefor |
| AU2014236729B2 (en) | 2013-03-14 | 2018-11-22 | Intersect Ent, Inc. | Systems, devices, and method for treating a sinus condition |
| EP3136291A1 (de) * | 2015-08-31 | 2017-03-01 | Continental Automotive GmbH | Verfahren und vorrichtung zur erkennung von objekten bei dunkelheit mittels einer fahrzeugkamera und einer fahrzeugbeleuchtung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375068A (en) * | 1980-04-21 | 1983-02-22 | Technicare Corporation | Radiographic apparatus and method with logarithmic video compression |
| US4367490A (en) * | 1981-04-24 | 1983-01-04 | General Electric Company | Noise reduction in digital fluoroscopy systems |
| US4393402A (en) * | 1981-06-08 | 1983-07-12 | General Electric Company | Subtraction fluoroscopy method and apparatus |
-
1982
- 1982-06-15 NL NL8202415A patent/NL8202415A/nl not_active Application Discontinuation
- 1982-08-26 US US06/411,733 patent/US4491866A/en not_active Expired - Fee Related
-
1983
- 1983-06-09 CA CA000430053A patent/CA1205218A/en not_active Expired
- 1983-06-11 JP JP58103573A patent/JPS592734A/ja active Granted
- 1983-06-14 DE DE8383200864T patent/DE3366245D1/de not_active Expired
- 1983-06-14 EP EP83200864A patent/EP0096941B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425755B2 (enExample) | 1992-05-01 |
| EP0096941B1 (en) | 1986-09-17 |
| DE3366245D1 (en) | 1986-10-23 |
| US4491866A (en) | 1985-01-01 |
| EP0096941A1 (en) | 1983-12-28 |
| CA1205218A (en) | 1986-05-27 |
| NL8202415A (nl) | 1984-01-02 |
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