DE69011194T2 - Röntgenstrahl-Bildverarbeitungsgerät. - Google Patents
Röntgenstrahl-Bildverarbeitungsgerät.Info
- Publication number
- DE69011194T2 DE69011194T2 DE69011194T DE69011194T DE69011194T2 DE 69011194 T2 DE69011194 T2 DE 69011194T2 DE 69011194 T DE69011194 T DE 69011194T DE 69011194 T DE69011194 T DE 69011194T DE 69011194 T2 DE69011194 T2 DE 69011194T2
- Authority
- DE
- Germany
- Prior art keywords
- image processing
- processing device
- ray image
- ray
- processing
- 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.)
- Revoked
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]
-
- 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
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4035—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
-
- 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
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
-
- 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
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Pulmonology (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1099421A JPH0659280B2 (ja) | 1989-04-19 | 1989-04-19 | X線画像処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69011194D1 DE69011194D1 (de) | 1994-09-08 |
DE69011194T2 true DE69011194T2 (de) | 1994-12-08 |
Family
ID=14247004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69011194T Revoked DE69011194T2 (de) | 1989-04-19 | 1990-04-18 | Röntgenstrahl-Bildverarbeitungsgerät. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5020085A (de) |
EP (1) | EP0398029B1 (de) |
JP (1) | JPH0659280B2 (de) |
DE (1) | DE69011194T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011053971A1 (de) | 2011-09-27 | 2013-03-28 | Wipotec Wiege- Und Positioniersysteme Gmbh | Verfahren und Vorrichtung zum Erfassen der Struktur von bewegten Stückgütern, insbesondere zur Erfassung von Störpartikeln in flüssigen oder pastösen Produkten |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69033232T2 (de) * | 1989-12-14 | 1999-12-30 | Aloka Co Ltd | Vorrichtung zur Messung des Kalziumgehaltes von Knochen |
JP2651625B2 (ja) * | 1990-02-14 | 1997-09-10 | 富士写真フイルム株式会社 | エネルギーサブトラクション画像生成方法 |
US5485371A (en) * | 1990-02-14 | 1996-01-16 | Fuji Photo Film Co., Ltd. | Method for forming energy subtraction radiation images, and method and apparatus for smoothing radiation images |
US5287546A (en) * | 1992-09-14 | 1994-02-15 | Lunar Corporation | Patient positioning apparatus for bone scanning |
JP3248951B2 (ja) * | 1992-08-04 | 2002-01-21 | ジーイー横河メディカルシステム株式会社 | 画像処理装置 |
JP3002937B2 (ja) * | 1993-09-13 | 2000-01-24 | 富士写真フイルム株式会社 | エネルギーサブトラクション画像処理方法 |
JPH08265647A (ja) * | 1995-03-20 | 1996-10-11 | Fuji Photo Film Co Ltd | 放射線画像における経時変化量検出方法および装置 |
JP3263594B2 (ja) * | 1996-04-23 | 2002-03-04 | 三菱重工業株式会社 | X線による異物検出装置 |
JPH11513220A (ja) * | 1996-07-08 | 1999-11-09 | フィリップス エレクトロニクス エヌ ベー | 一定パターンノイズの補正 |
US6125166A (en) * | 1998-01-13 | 2000-09-26 | Fuji Photo Film Co., Ltd. | Method of forming energy subtraction images |
DE19826062B4 (de) | 1998-06-12 | 2006-12-14 | Smiths Heimann Gmbh | Verfahren und Anordnung zur Detektion von Röntgenstrahlen |
DE19853965A1 (de) * | 1998-11-23 | 2000-05-31 | Siemens Ag | Verfahren zum Ermitteln von für die Planung und/oder Auswahl von Prothesenimplantaten relevanter Knochenstrukturen und Knochenstrukturen sowie Röntgenanlage zur Durchführung dieses Verfahrens |
FR2796740B1 (fr) * | 1999-07-19 | 2001-10-26 | Ge Medical Syst Sa | Procede et systeme de gestion de la saturation sur une image radiographique numerisee |
US6683934B1 (en) | 2000-06-05 | 2004-01-27 | General Electric Company | Dual energy x-ray imaging system and method for radiography and mammography |
US6636582B2 (en) * | 2001-11-08 | 2003-10-21 | Ge Medical Systems Global Technology Co., Llc | Multiple energy x-ray imaging techniques |
US6816572B2 (en) * | 2002-03-08 | 2004-11-09 | Ge Medical Systems Global Technology Co., Llc | Method, system and computer product for processing dual energy images |
SE524731C2 (sv) * | 2002-06-07 | 2004-09-21 | Xcounter Ab | Metod och apparat för detektering av joniserande strålning |
US7276721B2 (en) | 2004-08-12 | 2007-10-02 | Carestream Health, Inc. | Method and apparatus for improved contrast resolution |
US8036443B2 (en) * | 2005-05-31 | 2011-10-11 | Konica Minolta Medical & Graphic, Inc. | Image processing method and image processor |
US8184877B2 (en) * | 2007-02-12 | 2012-05-22 | Carestream Health, Inc. | Renormalization of dual-energy images |
JP5208484B2 (ja) * | 2007-11-14 | 2013-06-12 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | X線ct装置 |
US7826587B1 (en) * | 2009-09-11 | 2010-11-02 | General Electric Company | System and method of fast kVp switching for dual energy CT |
US8311182B2 (en) * | 2010-09-22 | 2012-11-13 | General Electric Company | System and method of notch filtration for dual energy CT |
US20140243579A1 (en) * | 2013-02-27 | 2014-08-28 | Loyola University Chicago | Dual-energy image suppression method |
WO2017211625A1 (en) | 2016-06-07 | 2017-12-14 | Koninklijke Philips N.V. | Improved precision and resolution of quantitative imaging by combining spectral and non-spectral material decomposition |
JP6815273B2 (ja) * | 2017-05-18 | 2021-01-20 | 富士フイルム株式会社 | 放射線画像撮影装置、画像処理装置、画像処理方法、及び画像処理プログラム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686695A (en) * | 1979-02-05 | 1987-08-11 | Board Of Trustees Of The Leland Stanford Junior University | Scanned x-ray selective imaging system |
US4692937A (en) * | 1984-05-02 | 1987-09-08 | University Of Pittsburgh | Radiography apparatus and method |
DE3472052D1 (en) * | 1984-06-20 | 1988-07-14 | Siemens Ag | X-ray diagnostic apparatus |
JPS61208976A (ja) * | 1985-03-13 | 1986-09-17 | Fuji Photo Film Co Ltd | エネルギ−サブトラクシヨン画像の濃度補正方法および装置 |
FR2588180A1 (fr) * | 1985-10-08 | 1987-04-10 | Thomson Cgr | Appareil d'examen radiologique |
US4969175A (en) * | 1986-08-15 | 1990-11-06 | Nelson Robert S | Apparatus for narrow bandwidth and multiple energy x-ray imaging |
DE3632833A1 (de) * | 1986-09-26 | 1988-03-31 | Philips Patentverwaltung | Verfahren zum erzeugen eines roentgenschichtbildes eines untersuchungsbereiches und anordnung zur durchfuehrung des verfahrens |
US4887604A (en) * | 1988-05-16 | 1989-12-19 | Science Research Laboratory, Inc. | Apparatus for performing dual energy medical imaging |
-
1989
- 1989-04-19 JP JP1099421A patent/JPH0659280B2/ja not_active Expired - Fee Related
-
1990
- 1990-04-18 DE DE69011194T patent/DE69011194T2/de not_active Revoked
- 1990-04-18 EP EP90107327A patent/EP0398029B1/de not_active Revoked
- 1990-04-18 US US07/510,687 patent/US5020085A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011053971A1 (de) | 2011-09-27 | 2013-03-28 | Wipotec Wiege- Und Positioniersysteme Gmbh | Verfahren und Vorrichtung zum Erfassen der Struktur von bewegten Stückgütern, insbesondere zur Erfassung von Störpartikeln in flüssigen oder pastösen Produkten |
WO2013044910A1 (de) | 2011-09-27 | 2013-04-04 | Wipotec Wiege- Und Positioniersysteme Gmbh | Verfahren und vorrichtung zum erfassen der struktur von bewegten stückgütern, insbesondere zur erfassung von störpartikeln in flüssigen oder pastösen produkten |
Also Published As
Publication number | Publication date |
---|---|
JPH02278974A (ja) | 1990-11-15 |
EP0398029A1 (de) | 1990-11-22 |
EP0398029B1 (de) | 1994-08-03 |
US5020085A (en) | 1991-05-28 |
JPH0659280B2 (ja) | 1994-08-10 |
DE69011194D1 (de) | 1994-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69023618T2 (de) | Bildverarbeitungsvorrichtung. | |
DE69011194D1 (de) | Röntgenstrahl-Bildverarbeitungsgerät. | |
DE68926785D1 (de) | Bildverarbeitungsgerät | |
DE68922367D1 (de) | Bildverarbeitungsgerät. | |
DE69114100D1 (de) | Bildverarbeitungsgerät. | |
DE69103744D1 (de) | Bildverarbeitungseinrichtung. | |
DE69023457D1 (de) | Bildverarbeitungsgerät. | |
DE69026159D1 (de) | Bildverarbeitungsgerät | |
DE69020622D1 (de) | Bildverarbeitungsgerät. | |
DE69027636T2 (de) | Bildverarbeitungsvorrichtung | |
DE69028668T2 (de) | Bildverarbeitungsgerät | |
DE69028866D1 (de) | Bildverarbeitungsgerät | |
DE69016123T2 (de) | Bildverarbeitungsgerät. | |
DE68923412T2 (de) | Bildverarbeitungseinrichtung. | |
DE69025672T2 (de) | Bildverarbeitungsgerät | |
DE68910357D1 (de) | Bildverarbeitungsgerät. | |
DE69027870T2 (de) | Bildverarbeitungsgerät | |
DE69028345T2 (de) | Bildverarbeitungsgerät | |
DE68918052D1 (de) | Bildverarbeitungsgerät. | |
DE69020413T2 (de) | Bildverarbeitungsgerät. | |
DE68918322T2 (de) | Bildverarbeitungsgerät. | |
DE69009606T2 (de) | Bildverarbeitungseinrichtung. | |
DE68920164D1 (de) | Bildverarbeitungsvorrichtung. | |
DE69013091D1 (de) | Bildverarbeitungseinrichtung. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8331 | Complete revocation |