DE69616030T2 - Röntgenstrahluntersuchungsvorrichtung eine bildaufnahmematrix mit korrektureinheit enthaltend - Google Patents

Röntgenstrahluntersuchungsvorrichtung eine bildaufnahmematrix mit korrektureinheit enthaltend

Info

Publication number
DE69616030T2
DE69616030T2 DE69616030T DE69616030T DE69616030T2 DE 69616030 T2 DE69616030 T2 DE 69616030T2 DE 69616030 T DE69616030 T DE 69616030T DE 69616030 T DE69616030 T DE 69616030T DE 69616030 T2 DE69616030 T2 DE 69616030T2
Authority
DE
Germany
Prior art keywords
device including
correction unit
examination device
image matrix
ray examination
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 - Lifetime
Application number
DE69616030T
Other languages
English (en)
Other versions
DE69616030D1 (de
Inventor
Jan Meulenbrugge
Lex Alving
Albert Luijendijk
Jacobus Stouten
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
Application granted granted Critical
Publication of DE69616030D1 publication Critical patent/DE69616030D1/de
Publication of DE69616030T2 publication Critical patent/DE69616030T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/673—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources
    • H04N25/674—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources based on the scene itself, e.g. defocusing

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)
DE69616030T 1995-12-18 1996-11-27 Röntgenstrahluntersuchungsvorrichtung eine bildaufnahmematrix mit korrektureinheit enthaltend Expired - Lifetime DE69616030T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203532 1995-12-18
PCT/IB1996/001308 WO1997023090A2 (en) 1995-12-18 1996-11-27 X-ray examination apparatus including an image sensor matrix with a correction unit

Publications (2)

Publication Number Publication Date
DE69616030D1 DE69616030D1 (de) 2001-11-22
DE69616030T2 true DE69616030T2 (de) 2002-06-20

Family

ID=8220965

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69616030T Expired - Lifetime DE69616030T2 (de) 1995-12-18 1996-11-27 Röntgenstrahluntersuchungsvorrichtung eine bildaufnahmematrix mit korrektureinheit enthaltend

Country Status (5)

Country Link
US (2) US6028913A (de)
EP (1) EP0809912B1 (de)
JP (1) JP4173197B2 (de)
DE (1) DE69616030T2 (de)
WO (1) WO1997023090A2 (de)

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US6430313B1 (en) * 1998-09-10 2002-08-06 Intel Corporation Using a minimal number of parameters for correcting the response of color image sensors
EP1111909A1 (de) * 1999-12-23 2001-06-27 Philips Patentverwaltung GmbH Vorrichtung und Verfahren zur Darstellung eines aus mehreren Teilbereichen zusammengesetzten Bildes
US6751289B2 (en) * 2000-10-10 2004-06-15 Kabushiki Kaisha Toshiba X-ray diagnostic apparatus
DE10106907C2 (de) * 2001-02-13 2003-06-26 Siemens Ag Röntgendiagnostikeinrichtung mit Mitteln und Verfahren zur Korrektur von Kometenartefakten
DE10135427A1 (de) * 2001-07-20 2003-02-13 Siemens Ag Flächenhafter Bilddetektor für elektromagnetische Strahlen, insbesondere Röntgenstrahlen
US6888919B2 (en) * 2001-11-02 2005-05-03 Varian Medical Systems, Inc. Radiotherapy apparatus equipped with an articulable gantry for positioning an imaging unit
US7221733B1 (en) 2002-01-02 2007-05-22 Varian Medical Systems Technologies, Inc. Method and apparatus for irradiating a target
US7122804B2 (en) * 2002-02-15 2006-10-17 Varian Medical Systems Technologies, Inc. X-ray imaging device
US6718010B2 (en) * 2002-06-11 2004-04-06 Ge Medical Systems Global Technology Company, Llc Method and apparatus for acquiring a series of images utilizing a solid state detector with alternating scan lines
US7227925B1 (en) 2002-10-02 2007-06-05 Varian Medical Systems Technologies, Inc. Gantry mounted stereoscopic imaging system
US7657304B2 (en) 2002-10-05 2010-02-02 Varian Medical Systems, Inc. Imaging device for radiation treatment applications
JP4755423B2 (ja) 2002-10-16 2011-08-24 ヴァリアン メディカル システムズ インコーポレイテッド 像形成装置における過剰信号補正方法及び装置
US7065177B2 (en) * 2002-11-14 2006-06-20 General Electric Company Method and apparatus for correcting a retained image artifact
US7945021B2 (en) 2002-12-18 2011-05-17 Varian Medical Systems, Inc. Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager
US7123687B2 (en) * 2003-04-10 2006-10-17 Varian Medical Systems Technologies, Inc. Method for displaying digital X-ray image data at high resolution
JP2006526925A (ja) * 2003-06-05 2006-11-24 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線放射線の検出のための検出器
US7412029B2 (en) * 2003-06-25 2008-08-12 Varian Medical Systems Technologies, Inc. Treatment planning, simulation, and verification system
DE10343787B4 (de) * 2003-09-22 2006-03-16 Siemens Ag Verfahren zur Kalibrierung eines digitalen Röntgendetektors und zugehörige Röntgenvorrichtung
DE102004003881B4 (de) * 2004-01-26 2013-06-06 Siemens Aktiengesellschaft Bildaufnahmevorrichtung
JP2006334085A (ja) * 2005-06-01 2006-12-14 Shimadzu Corp 放射線撮像装置および放射線検出信号処理方法
WO2007018646A1 (en) 2005-04-29 2007-02-15 Varian Medical Systems Technologies, Inc. Radiation treatment systems and components thereof
US7880154B2 (en) 2005-07-25 2011-02-01 Karl Otto Methods and apparatus for the planning and delivery of radiation treatments
US7474731B2 (en) * 2006-08-29 2009-01-06 Siemens Medical Solutions Usa, Inc. Systems and methods for adaptive image processing using acquisition data and calibration/model data
US8290222B2 (en) * 2006-08-29 2012-10-16 Siemens Medical Solutions Usa, Inc. Systems and methods of image processing utilizing resizing of data
WO2008063573A2 (en) 2006-11-17 2008-05-29 Varian Medical Systems Technologies, Inc. Dynamic patient positioning system
USRE46953E1 (en) 2007-04-20 2018-07-17 University Of Maryland, Baltimore Single-arc dose painting for precision radiation therapy
KR100987158B1 (ko) * 2008-05-06 2010-10-11 라드텍주식회사 디지털 방사선 촬영을 이용한 용접부 결함 검출 방법
JP4947215B2 (ja) * 2008-06-27 2012-06-06 コニカミノルタエムジー株式会社 放射線画像生成システム
WO2010021165A1 (ja) 2008-08-22 2010-02-25 コニカミノルタエムジー株式会社 放射線画像検出器
DE102008059818A1 (de) * 2008-12-01 2010-06-10 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zur Reduktion des Übersprechens bei einem Sensorsystem mit mehreren Gesichtsfeldern
EP3722836A1 (de) 2010-06-22 2020-10-14 Varian Medical Systems International AG System und verfahren zur messung und zur änderung einer gemessenen strahlendosis
EP2614772B1 (de) * 2010-09-09 2016-03-02 Konica Minolta Medical & Graphic, Inc. Röntgenbildgebungsvorrichtung und röntgenbildgebungssystem
US8894280B2 (en) 2011-12-31 2014-11-25 Carestream Health, Inc. Calibration and correction procedures for digital radiography detectors supporting multiple capture modes, methods and systems for same
US10806409B2 (en) 2016-09-23 2020-10-20 Varian Medical Systems International Ag Medical systems with patient supports

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US4761803A (en) * 1986-06-05 1988-08-02 Siemens Aktiengesellschaft X-ray diagnostics installation
DE8803431U1 (de) * 1988-03-14 1989-07-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US4965726A (en) * 1988-10-20 1990-10-23 Picker International, Inc. CT scanner with segmented detector array
US4949380A (en) * 1988-10-20 1990-08-14 David Chaum Returned-value blind signature systems
DE4002431A1 (de) * 1990-01-27 1991-08-01 Philips Patentverwaltung Sensormatrix
US5119409A (en) * 1990-12-28 1992-06-02 Fischer Imaging Corporation Dynamic pulse control for fluoroscopy
US5331682A (en) * 1991-11-25 1994-07-19 General Electric Company Radiation detector offset and afterglow compensation technique
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
US5572566A (en) * 1993-11-30 1996-11-05 J. Morita Manufacturing Corporation X-ray imaging apparatus and X-ray generation detector for activating the same
US5471244A (en) * 1994-05-31 1995-11-28 3M Company Automatic dark level zeroing for an analog video signal
US5452338A (en) * 1994-07-07 1995-09-19 General Electric Company Method and system for real time offset correction in a large area solid state x-ray detector
US5693948A (en) * 1995-11-21 1997-12-02 Loral Fairchild Corporation Advanced CCD-based x-ray image sensor system

Also Published As

Publication number Publication date
EP0809912B1 (de) 2001-10-17
JP4173197B2 (ja) 2008-10-29
US6028913A (en) 2000-02-22
EP0809912A2 (de) 1997-12-03
US6222901B1 (en) 2001-04-24
DE69616030D1 (de) 2001-11-22
JPH11500949A (ja) 1999-01-26
WO1997023090A2 (en) 1997-06-26
WO1997023090A3 (en) 1997-08-21

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)
8321 Willingness to grant licences paragraph 23 withdrawn
8364 No opposition during term of opposition