KR20030041851A - X선 시스템 및 x선 영상의 대비 강화 방법 - Google Patents

X선 시스템 및 x선 영상의 대비 강화 방법 Download PDF

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Publication number
KR20030041851A
KR20030041851A KR1020020072803A KR20020072803A KR20030041851A KR 20030041851 A KR20030041851 A KR 20030041851A KR 1020020072803 A KR1020020072803 A KR 1020020072803A KR 20020072803 A KR20020072803 A KR 20020072803A KR 20030041851 A KR20030041851 A KR 20030041851A
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KR
South Korea
Prior art keywords
collimator
data
subject
ray
contrast
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.)
Withdrawn
Application number
KR1020020072803A
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English (en)
Korean (ko)
Inventor
앤더튼알래리
Original Assignee
지이 메디컬 시스템즈 글로발 테크놀러지 캄파니 엘엘씨
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Publication of KR20030041851A publication Critical patent/KR20030041851A/ko
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • G06T5/94Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/40Image enhancement or restoration using histogram techniques
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10116X-ray image
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30004Biomedical image processing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
KR1020020072803A 2001-11-21 2002-11-21 X선 시스템 및 x선 영상의 대비 강화 방법 Withdrawn KR20030041851A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/991,050 US6614877B2 (en) 2001-11-21 2001-11-21 Method and apparatus for enhancing the contrast of a medical diagnostic image acquired using collimation
US09/991,050 2001-11-21

Publications (1)

Publication Number Publication Date
KR20030041851A true KR20030041851A (ko) 2003-05-27

Family

ID=25536806

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020072803A Withdrawn KR20030041851A (ko) 2001-11-21 2002-11-21 X선 시스템 및 x선 영상의 대비 강화 방법

Country Status (6)

Country Link
US (1) US6614877B2 (https=)
EP (1) EP1321899B1 (https=)
JP (1) JP2003180667A (https=)
KR (1) KR20030041851A (https=)
CN (1) CN1419891A (https=)
DE (1) DE60231078D1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100923624B1 (ko) * 2008-01-21 2009-10-23 고려공업검사 주식회사 Cmos 센서를 이용한 방사선 투과 영상장치
WO2012108655A3 (en) * 2011-02-09 2012-10-26 Samsung Electronics Co., Ltd. X-ray generating apparatus and x-ray imaging system having the same

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US7003145B2 (en) 2001-01-05 2006-02-21 Ge Medical Systems Global Technology Company, Llc. Image cropping for asymmetrical imaging
JP4323770B2 (ja) * 2002-10-18 2009-09-02 キヤノン株式会社 画像処理装置、画像処理方法、プログラム及び記録媒体
JP2007506961A (ja) * 2003-09-24 2007-03-22 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 画素化した検出器のための位置合わせ方法及び装置
US20060241370A1 (en) * 2005-03-30 2006-10-26 George Kramp Medical x-ray imaging workflow improvement
US7133492B2 (en) * 2004-03-30 2006-11-07 Siemens Medical Solutions Usa, Inc. Method for reducing radiation exposure during patient positioning
US7136455B2 (en) * 2004-11-02 2006-11-14 General Electric Company Electron emitter assembly and method for adjusting a size of electron beams
US20070036266A1 (en) * 2005-03-29 2007-02-15 George Kramp Medical x-ray imaging workflow improvement
US8983024B2 (en) 2006-04-14 2015-03-17 William Beaumont Hospital Tetrahedron beam computed tomography with multiple detectors and/or source arrays
US9339243B2 (en) 2006-04-14 2016-05-17 William Beaumont Hospital Image guided radiotherapy with dual source and dual detector arrays tetrahedron beam computed tomography
JP5538880B2 (ja) * 2006-04-14 2014-07-02 ウィリアム・ボーモント・ホスピタル 4面体ビームコンピュータ断層撮影
CA2905989C (en) * 2006-05-25 2017-01-24 Di Yan Real-time, on-line and offline treatment dose tracking and feedback process for volumetric image guided adaptive radiotherapy
US7869637B2 (en) * 2006-07-31 2011-01-11 Siemens Medical Solutions Usa, Inc. Histogram calculation for auto-windowing of collimated X-ray image
US7344305B2 (en) * 2006-08-01 2008-03-18 Siemens Medical Solutions Usa, Inc. Remote visual feedback of collimated area and snapshot of exposed patient area
US8406518B2 (en) * 2009-01-20 2013-03-26 Pixar Smoothed local histogram filters for computer graphics
JP5489577B2 (ja) * 2009-07-31 2014-05-14 キヤノン株式会社 放射線撮像システム及びその制御方法、メイン制御ユニット及びその制御方法、並びに、プログラム
BR112012016558A2 (pt) 2010-01-05 2016-04-26 Beaumont Hospital William terapia de arco de intensidade modulada com rotação/deslocamento de cama de exame e formação de imagem de feixe de cone simultânea
WO2012093440A1 (ja) 2011-01-07 2012-07-12 株式会社 東芝 X線ct装置
JP5828649B2 (ja) * 2011-03-09 2015-12-09 キヤノン株式会社 画像処理装置、画像処理方法、及びコンピュータプログラム
WO2014083459A1 (en) 2012-11-29 2014-06-05 Controlrad Systems Inc. X-ray reduction system
CN103192617B (zh) * 2013-04-03 2017-05-10 青岛大学附属医院 加深x光影像背景的方法、x光影像打印系统与打印方法
KR102201407B1 (ko) * 2013-11-18 2021-01-12 삼성전자주식회사 엑스선 영상장치 및 그 제어방법
KR102393294B1 (ko) * 2014-09-26 2022-05-03 삼성전자주식회사 의료 영상 장치 및 의료 영상 장치의 제어 방법
JP6751083B2 (ja) 2014-10-13 2020-09-02 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. X線コリメーションにより制御される検出器回転
JP6640470B2 (ja) * 2015-05-14 2020-02-05 株式会社日立製作所 放射線治療システム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4489426A (en) 1981-12-23 1984-12-18 General Electric Company Collimator with adjustable aperture
US5164993A (en) * 1991-11-25 1992-11-17 Eastman Kodak Company Method and apparatus for automatic tonescale generation in digital radiographic images
US5436829A (en) 1992-11-05 1995-07-25 General Electric Company Method of achieving reduced dose X-ray fluoroscopy by employing transform-based estimation of Poisson noise
JPH07250827A (ja) * 1994-03-11 1995-10-03 Hitachi Medical Corp X線画像診断装置
US5574764A (en) 1995-06-06 1996-11-12 General Electric Company Digital brightness detector
US5901240A (en) * 1996-12-12 1999-05-04 Eastman Kodak Company Method for detecting the collimation field in a digital radiography
JP3670439B2 (ja) * 1997-05-09 2005-07-13 株式会社日立メディコ X線装置
JP4383558B2 (ja) * 1998-07-21 2009-12-16 東芝医用システムエンジニアリング株式会社 X線診断装置及び放射線診断装置
US6175614B1 (en) * 1999-05-07 2001-01-16 Oec Medical Systems, Inc. Method and apparatus for automatic sizing and positioning of ABS sampling window in an x-ray imaging system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100923624B1 (ko) * 2008-01-21 2009-10-23 고려공업검사 주식회사 Cmos 센서를 이용한 방사선 투과 영상장치
WO2012108655A3 (en) * 2011-02-09 2012-10-26 Samsung Electronics Co., Ltd. X-ray generating apparatus and x-ray imaging system having the same
KR101239765B1 (ko) * 2011-02-09 2013-03-06 삼성전자주식회사 엑스레이 발생장치 및 이를 포함하는 엑스레이 촬영 시스템
US8861686B2 (en) 2011-02-09 2014-10-14 Samsung Electronics Co., Ltd. X-ray generating apparatus and X-ray imaging system having the same

Also Published As

Publication number Publication date
US20030095627A1 (en) 2003-05-22
JP2003180667A (ja) 2003-07-02
CN1419891A (zh) 2003-05-28
DE60231078D1 (de) 2009-03-19
US6614877B2 (en) 2003-09-02
EP1321899A3 (en) 2006-07-26
EP1321899B1 (en) 2009-02-04
EP1321899A2 (en) 2003-06-25

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Legal Events

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20021121

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid