DE69738105D1 - Röntgenstrahl-Untersuchungsvorrichtung mit Röntgenstrahl-Bildsensormatrix und Korrektureinheit - Google Patents

Röntgenstrahl-Untersuchungsvorrichtung mit Röntgenstrahl-Bildsensormatrix und Korrektureinheit

Info

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
Application number
DE69738105T
Other languages
English (en)
Other versions
DE69738105T2 (de
Inventor
Norbert Conrads
Martin Weibrecht
Ulrich Schiebel
Herfried Karl Wieczorek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69738105D1 publication Critical patent/DE69738105D1/de
Application granted granted Critical
Publication of DE69738105T2 publication Critical patent/DE69738105T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Measurement Of Radiation (AREA)
DE69738105T 1996-12-23 1997-12-23 Röntgenstrahl-Untersuchungsvorrichtung mit Röntgenstrahl-Bildsensormatrix und Korrektureinheit Expired - Fee Related DE69738105T2 (de)

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)

* Cited by examiner, † Cited by third party
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
WO2005055140A1 (en) * 2003-12-02 2005-06-16 Philips Intellectual Property & Standards Gmbh A device and method for correcting defects in x-ray images
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)

* Cited by examiner, † Cited by third party
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 Koninkl Philips Electronics Nv 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
JPH11501487A (ja) * 1995-12-27 1999-02-02 フィリップス エレクトロニクス エヌ ベー 補正ユニットを有する画像ピックアップ装置を含むｘ線検査装置

Also Published As

Publication number Publication date
US6246746B1 (en) 2001-06-12
DE69738105T2 (de) 2008-05-29
EP0888686B1 (de) 2007-09-05
WO1998028911A3 (en) 1998-09-03
EP0888686A2 (de) 1999-01-07
WO1998028911A2 (en) 1998-07-02
US20010012331A1 (en) 2001-08-09
JP2000505985A (ja) 2000-05-16
JP4346687B2 (ja) 2009-10-21

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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