SE9501265D0 - Förfarande och anordning vid röntgenutrustning - Google Patents
Förfarande och anordning vid röntgenutrustningInfo
- Publication number
- SE9501265D0 SE9501265D0 SE9501265A SE9501265A SE9501265D0 SE 9501265 D0 SE9501265 D0 SE 9501265D0 SE 9501265 A SE9501265 A SE 9501265A SE 9501265 A SE9501265 A SE 9501265A SE 9501265 D0 SE9501265 D0 SE 9501265D0
- Authority
- SE
- Sweden
- Prior art keywords
- neighborhood
- signals
- ray
- image sequence
- contrast medium
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000002872 contrast media Substances 0.000 abstract 2
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000003384 imaging method Methods 0.000 abstract 1
- 230000002123 temporal effect Effects 0.000 abstract 1
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
- A61B6/48—Diagnostic techniques
- A61B6/481—Diagnostic techniques involving the use of contrast agents
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/504—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of blood vessels, e.g. by angiography
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/507—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for determination of haemodynamic parameters, e.g. perfusion CT
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/262—Analysis of motion using transform domain methods, e.g. Fourier domain methods
-
- 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
- H04N5/321—Transforming X-rays with video transmission of fluoroscopic images
- H04N5/325—Image enhancement, e.g. by subtraction techniques using polyenergetic X-rays
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (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)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Multimedia (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Mathematical Physics (AREA)
- Vascular Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Centrifugal Separators (AREA)
- External Artificial Organs (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Feedback Control In General (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9501265A SE9501265D0 (sv) | 1995-04-05 | 1995-04-05 | Förfarande och anordning vid röntgenutrustning |
DE1996632775 DE69632775T2 (de) | 1995-04-05 | 1996-04-09 | Geschwindigkeitsanpassbare gefilterte angiographie |
PCT/SE1996/000422 WO1996031156A1 (en) | 1995-04-05 | 1996-04-09 | Velocity adaptive filtered angiography |
EP96910262A EP0818971B1 (de) | 1995-04-05 | 1996-04-09 | Geschwindigkeitsanpassbare gefilterte angiographie |
AT96910262T ATE269667T1 (de) | 1995-04-05 | 1996-04-09 | Geschwindigkeitsanpassbare gefilterte angiographie |
AU53507/96A AU5350796A (en) | 1995-04-05 | 1996-04-09 | Velocity adaptive filtered angiography |
US08/939,740 US6005917A (en) | 1995-04-05 | 1997-10-06 | Velocity adaptive filtered angiography |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9501265A SE9501265D0 (sv) | 1995-04-05 | 1995-04-05 | Förfarande och anordning vid röntgenutrustning |
Publications (1)
Publication Number | Publication Date |
---|---|
SE9501265D0 true SE9501265D0 (sv) | 1995-04-05 |
Family
ID=20397862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9501265A SE9501265D0 (sv) | 1995-04-05 | 1995-04-05 | Förfarande och anordning vid röntgenutrustning |
Country Status (7)
Country | Link |
---|---|
US (1) | US6005917A (de) |
EP (1) | EP0818971B1 (de) |
AT (1) | ATE269667T1 (de) |
AU (1) | AU5350796A (de) |
DE (1) | DE69632775T2 (de) |
SE (1) | SE9501265D0 (de) |
WO (1) | WO1996031156A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6226350B1 (en) * | 1998-12-31 | 2001-05-01 | General Electric Company | Methods and apparatus for cardiac scoring with a multi-beam scanner |
US6532380B1 (en) * | 2000-06-30 | 2003-03-11 | Cedars Sinai Medical Center | Image guidance for coronary stent deployment |
DE60212917T2 (de) * | 2001-10-16 | 2007-03-01 | Kabushiki Kaisha Toshiba | Vorrichtung zur Berechnung eines Index von örtlichen Blutflüssen |
EP2026697B1 (de) * | 2006-05-22 | 2016-10-19 | Philips Intellectual Property & Standards GmbH | Bewegungskompensierter koronarfluss aus projektionsdarstellung |
CN101453950A (zh) * | 2006-06-01 | 2009-06-10 | 皇家飞利浦电子股份有限公司 | 分层运动估计 |
JP5536974B2 (ja) * | 2006-11-08 | 2014-07-02 | 株式会社東芝 | X線診断装置及び画像処理装置 |
WO2008107836A2 (en) * | 2007-03-06 | 2008-09-12 | Koninklijke Philips Electronics N.V. | Filtering of image sequences |
DE102008035549A1 (de) * | 2008-07-30 | 2010-02-11 | Siemens Aktiengesellschaft | Verfahren zur Erstellung von Angiographieaufnahmen |
JP2012511383A (ja) * | 2008-12-12 | 2012-05-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | X線検査における血流音声 |
DE102009004580A1 (de) * | 2009-01-14 | 2010-07-15 | Siemens Aktiengesellschaft | Abtast- und Rekonstruktionsverfahren eines CT-Systems und CT-System |
US8559763B2 (en) * | 2010-12-14 | 2013-10-15 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for motion-compensated interpolation (MCI) with conservative motion model |
JP5981220B2 (ja) * | 2012-05-21 | 2016-08-31 | 東芝メディカルシステムズ株式会社 | 医用画像処理装置及びx線撮影装置 |
US9498149B2 (en) | 2012-10-12 | 2016-11-22 | Koninklijke Philips N.V. | Dynamic background correction in MPI |
WO2014097094A1 (en) | 2012-12-19 | 2014-06-26 | Koninklijke Philips N.V. | X-ray controlled contract agent injection |
DE102015205959A1 (de) * | 2015-02-27 | 2016-09-01 | Siemens Healthcare Gmbh | Ermitteln der Geschwindigkeit eines Fluids mit Hilfe eines bildgebenden Verfahrens |
CN108852385B (zh) * | 2018-03-13 | 2022-03-04 | 中国科学院上海应用物理研究所 | 一种x射线造影方法及基于x射线造影的动态阅片方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4677478A (en) * | 1982-01-25 | 1987-06-30 | Thomson-Csf Broadcast, Inc. | Apparatus and method for imaging a body |
DE3739229A1 (de) * | 1987-11-19 | 1989-06-01 | Siemens Ag | Medizinische untersuchungsanlage |
GB2220319B (en) * | 1988-07-01 | 1992-11-04 | Plessey Co Plc | Improvements in or relating to image stabilisation |
US5091925A (en) * | 1990-01-18 | 1992-02-25 | Siemens Aktiengesellschaft | X-ray diagnostics installation with spatial frequency filtering |
KR940007163B1 (ko) * | 1991-07-09 | 1994-08-06 | 삼성전자 주식회사 | 캠코더의 피사체 자동추적장치 |
GB9203132D0 (en) * | 1992-02-14 | 1992-04-01 | Univ Southampton | Computer assisted dynamic digital angiography |
EP0578311B1 (de) * | 1992-07-10 | 1998-12-09 | Koninklijke Philips Electronics N.V. | Röntgendurchleuchtungsgerät mit Mitteln zur Rauschreduktion |
-
1995
- 1995-04-05 SE SE9501265A patent/SE9501265D0/xx unknown
-
1996
- 1996-04-09 WO PCT/SE1996/000422 patent/WO1996031156A1/en active IP Right Grant
- 1996-04-09 DE DE1996632775 patent/DE69632775T2/de not_active Expired - Fee Related
- 1996-04-09 AU AU53507/96A patent/AU5350796A/en not_active Abandoned
- 1996-04-09 AT AT96910262T patent/ATE269667T1/de not_active IP Right Cessation
- 1996-04-09 EP EP96910262A patent/EP0818971B1/de not_active Expired - Lifetime
-
1997
- 1997-10-06 US US08/939,740 patent/US6005917A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69632775D1 (de) | 2004-07-29 |
EP0818971B1 (de) | 2004-06-23 |
AU5350796A (en) | 1996-10-23 |
US6005917A (en) | 1999-12-21 |
EP0818971A1 (de) | 1998-01-21 |
DE69632775T2 (de) | 2005-01-13 |
WO1996031156A1 (en) | 1996-10-10 |
ATE269667T1 (de) | 2004-07-15 |
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