DE69738105D1 - Röntgenstrahl-Untersuchungsvorrichtung mit Röntgenstrahl-Bildsensormatrix und Korrektureinheit - Google Patents
Röntgenstrahl-Untersuchungsvorrichtung mit Röntgenstrahl-Bildsensormatrix und KorrektureinheitInfo
- Publication number
- DE69738105D1 DE69738105D1 DE69738105T DE69738105T DE69738105D1 DE 69738105 D1 DE69738105 D1 DE 69738105D1 DE 69738105 T DE69738105 T DE 69738105T DE 69738105 T DE69738105 T DE 69738105T DE 69738105 D1 DE69738105 D1 DE 69738105D1
- Authority
- DE
- Germany
- Prior art keywords
- ray
- image sensor
- correction unit
- examination device
- sensor matrix
- 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 - Fee Related
Links
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
- H04N5/321—Transforming X-rays with video transmission of fluoroscopic images
- H04N5/325—Image enhancement, e.g. by subtraction techniques using polyenergetic X-rays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/62—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
- H04N25/626—Reduction of noise due to residual charges remaining after image readout, e.g. to remove ghost images or afterimages
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measurement Of Radiation (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96203692 | 1996-12-23 | ||
EP96203692 | 1996-12-23 | ||
PCT/IB1997/001595 WO1998028911A2 (en) | 1996-12-23 | 1997-12-23 | X-ray examination apparatus with x-ray image sensor matrix and correction unit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69738105D1 true DE69738105D1 (de) | 2007-10-18 |
DE69738105T2 DE69738105T2 (de) | 2008-05-29 |
Family
ID=8224756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69738105T Expired - Fee Related DE69738105T2 (de) | 1996-12-23 | 1997-12-23 | Röntgenstrahl-Untersuchungsvorrichtung mit Röntgenstrahl-Bildsensormatrix und Korrektureinheit |
Country Status (5)
Country | Link |
---|---|
US (2) | US6246746B1 (de) |
EP (1) | EP0888686B1 (de) |
JP (1) | JP4346687B2 (de) |
DE (1) | DE69738105T2 (de) |
WO (1) | WO1998028911A2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6353654B1 (en) * | 1999-12-30 | 2002-03-05 | General Electric Company | Method and apparatus for compensating for image retention in an amorphous silicon imaging detector |
US6751289B2 (en) * | 2000-10-10 | 2004-06-15 | Kabushiki Kaisha Toshiba | X-ray diagnostic apparatus |
US6404853B1 (en) * | 2001-11-02 | 2002-06-11 | Ge Medical Systems Global Technology Company, Llc | Method for identifying and correcting pixels with excess pixel lag in a solid state x-ray detector |
DE10312450A1 (de) * | 2003-03-20 | 2004-10-07 | Siemens Ag | Verfahren zur Kompensation von Bildstörungen bei Strahlungsbildaufnahmen sowie Strahlungsbildaufnahmevorrichtung |
JP3931152B2 (ja) * | 2003-04-10 | 2007-06-13 | オリンパス株式会社 | 撮像装置の評価方法、画像補正方法、および撮像装置 |
EP1692656B1 (de) * | 2003-12-02 | 2013-09-25 | Philips Intellectual Property & Standards GmbH | Einrichtung und verfahren zum korrigieren von defekten von röntgenbildern |
US20060011853A1 (en) * | 2004-07-06 | 2006-01-19 | Konstantinos Spartiotis | High energy, real time capable, direct radiation conversion X-ray imaging system for Cd-Te and Cd-Zn-Te based cameras |
DE102005017491B4 (de) * | 2005-04-15 | 2007-03-15 | Siemens Ag | Verfahren zum Erzeugen eines gainkorrigierten Röntgenbildes |
US7485850B2 (en) * | 2006-07-27 | 2009-02-03 | Varian Medical Systems, Inc. | Gain/lag artifact correction algorithm and software |
US8290222B2 (en) * | 2006-08-29 | 2012-10-16 | Siemens Medical Solutions Usa, Inc. | Systems and methods of image processing utilizing resizing of data |
US9131730B2 (en) * | 2010-01-07 | 2015-09-15 | Aiger Group Ag | System and apparatus for registration of different objects in rod shaped articles |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4359759A (en) * | 1980-04-21 | 1982-11-16 | Technicare Corporation | Bias lighting in a radiographic apparatus and method |
DE69429142T2 (de) * | 1993-09-03 | 2002-08-22 | Koninklijke Philips Electronics N.V., Eindhoven | Roentgenbildaufnehmer |
EP0642264B1 (de) | 1993-09-03 | 2001-11-21 | Koninklijke Philips Electronics N.V. | Roentgenbildaufnehmer |
DE4420833C2 (de) * | 1994-06-15 | 1996-11-07 | Siemens Ag | Echtzeit-Röntgenfernsehbildsystem mit einem CCD-Festkörperbildsensor |
JP3377323B2 (ja) * | 1995-02-09 | 2003-02-17 | 株式会社モリタ製作所 | 医療用x線撮影装置 |
DE19516832C1 (de) * | 1995-05-08 | 1996-11-28 | Siemens Ag | Bildsystem für eine Röntgendiagnostikeinrichtung |
JPH10504166A (ja) * | 1995-06-16 | 1998-04-14 | フィリップス エレクトロニクス エヌ ベー | 副画像からの画像合成方法及び装置 |
WO1997024868A1 (en) * | 1995-12-27 | 1997-07-10 | Philips Electronics N.V. | X-ray examination apparatus including an image pick-up apparatus with a correction unit |
-
1997
- 1997-12-23 WO PCT/IB1997/001595 patent/WO1998028911A2/en active IP Right Grant
- 1997-12-23 JP JP52860798A patent/JP4346687B2/ja not_active Expired - Fee Related
- 1997-12-23 EP EP97947194A patent/EP0888686B1/de not_active Expired - Lifetime
- 1997-12-23 DE DE69738105T patent/DE69738105T2/de not_active Expired - Fee Related
- 1997-12-23 US US09/125,482 patent/US6246746B1/en not_active Expired - Fee Related
-
2001
- 2001-04-04 US US09/826,256 patent/US20010012331A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20010012331A1 (en) | 2001-08-09 |
JP4346687B2 (ja) | 2009-10-21 |
JP2000505985A (ja) | 2000-05-16 |
EP0888686A2 (de) | 1999-01-07 |
WO1998028911A3 (en) | 1998-09-03 |
WO1998028911A2 (en) | 1998-07-02 |
US6246746B1 (en) | 2001-06-12 |
DE69738105T2 (de) | 2008-05-29 |
EP0888686B1 (de) | 2007-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |