DE69836931D1 - Apparat für Röntgenaufnahmen - Google Patents

Apparat für Röntgenaufnahmen

Info

Publication number
DE69836931D1
DE69836931D1 DE69836931T DE69836931T DE69836931D1 DE 69836931 D1 DE69836931 D1 DE 69836931D1 DE 69836931 T DE69836931 T DE 69836931T DE 69836931 T DE69836931 T DE 69836931T DE 69836931 D1 DE69836931 D1 DE 69836931D1
Authority
DE
Germany
Prior art keywords
image
phototaking
data
grid
radiation image
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
DE69836931T
Other languages
English (en)
Other versions
DE69836931T2 (de
Inventor
Tatsuya Yamazaki
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69836931D1 publication Critical patent/DE69836931D1/de
Publication of DE69836931T2 publication Critical patent/DE69836931T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5252—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data removing objects from field of view, e.g. removing patient table from a CT image
    • 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 using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Radiography Using Non-Light Waves (AREA)
  • Image Processing (AREA)
DE1998636931 1997-03-27 1998-03-26 Apparat für Röntgenaufnahmen Expired - Lifetime DE69836931T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7549697 1997-03-27
JP07549697A JP3459745B2 (ja) 1997-03-27 1997-03-27 画像処理装置、放射線撮影装置及び画像処理方法

Publications (2)

Publication Number Publication Date
DE69836931D1 true DE69836931D1 (de) 2007-03-15
DE69836931T2 DE69836931T2 (de) 2007-11-15

Family

ID=13577947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998636931 Expired - Lifetime DE69836931T2 (de) 1997-03-27 1998-03-26 Apparat für Röntgenaufnahmen

Country Status (4)

Country Link
US (1) US6285781B1 (de)
EP (1) EP0867835B1 (de)
JP (1) JP3459745B2 (de)
DE (1) DE69836931T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6542575B1 (en) * 1999-08-31 2003-04-01 General Electric Company Correction methods and apparatus for digital x-ray imaging
JP4746761B2 (ja) * 2001-05-01 2011-08-10 キヤノン株式会社 放射線画像処理装置、放射線画像処理方法、記憶媒体、及びプログラム
JP2003008885A (ja) 2001-06-19 2003-01-10 Fuji Photo Film Co Ltd 画像再生システム
JP4471337B2 (ja) * 2002-08-01 2010-06-02 キヤノン株式会社 画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
US7260254B2 (en) * 2002-11-25 2007-08-21 Mirada Solutions Limited Comparing images
JP4363095B2 (ja) 2003-07-01 2009-11-11 コニカミノルタエムジー株式会社 医用画像処理装置及び医用画像処理システム
US20050283062A1 (en) * 2004-06-22 2005-12-22 Cerner Innovation, Inc. Computerized method and system for associating a portion of a diagnostic image with an electronic record
JP5296414B2 (ja) * 2008-05-21 2013-09-25 富士フイルム株式会社 医用撮像装置
JP5274116B2 (ja) 2008-06-13 2013-08-28 富士フイルム株式会社 放射線画像撮影装置
JP5239585B2 (ja) * 2008-07-28 2013-07-17 株式会社島津製作所 Ｘ線撮像装置
JP5077587B2 (ja) * 2009-04-08 2012-11-21 株式会社島津製作所 放射線撮像装置
JP5407774B2 (ja) * 2009-11-10 2014-02-05 株式会社島津製作所 放射線撮影装置
WO2012057023A1 (ja) * 2010-10-28 2012-05-03 富士フイルム株式会社 放射線画像撮影システム及びその制御方法
DE102011088265B4 (de) * 2011-12-12 2017-10-19 Siemens Healthcare Gmbh Verfahren zur Korrektur von aufgrund eines Streustrahlenrasters auftretenden Bildartefakten
DE102013223392A1 (de) * 2013-11-15 2014-09-18 Siemens Aktiengesellschaft Verfahren zur Reduzierung von durch Abschattungen durch Streustrahlenraster entstehenden Artefakten, Röntgeneinrichtung und Computerprogramm
JP6042855B2 (ja) 2014-03-28 2016-12-14 富士フイルム株式会社 放射線画像撮影装置、放射線画像撮影方法、及び放射線画像撮影プログラム
JP6105508B2 (ja) 2014-03-28 2017-03-29 富士フイルム株式会社 放射線画像撮影装置、放射線画像撮影方法、及び放射線画像撮影プログラム
JP6072096B2 (ja) * 2015-01-30 2017-02-01 キヤノン株式会社 放射線撮影システム、制御方法、制御方法、及びプログラム
DE102016206559B3 (de) * 2016-04-19 2017-06-08 Siemens Healthcare Gmbh Verfahren zur Korrektur eines Röntgenbilds auf Effekte eines Streustrahlenrasters, Röntgeneinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
KR102457462B1 (ko) * 2018-03-06 2022-10-21 삼성전자주식회사 전자장치의 이미지 처리 장치 및 방법
US12039745B2 (en) * 2021-07-27 2024-07-16 GE Precision Healthcare LLC Method and systems for removing anti-scatter grid artifacts in x-ray imaging

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860817A (en) * 1973-08-10 1975-01-14 Gen Electric Reducing patient X-ray dose during fluoroscopy with an image system
US4382184A (en) * 1978-11-24 1983-05-03 Cardiac Imaging Limited Partnership Apparatus and method for simultaneously displaying relative displacements of a fluctuating biological object
JPS60111637A (ja) 1983-11-22 1985-06-18 株式会社東芝 Ｘ線診断装置
US4727562A (en) * 1985-09-16 1988-02-23 General Electric Company Measurement of scatter in x-ray imaging
JPH0740153B2 (ja) * 1986-02-07 1995-05-01 株式会社東芝 Ｘ線受像装置
JPS62191972A (ja) * 1986-02-18 1987-08-22 Toshiba Corp Ｘ線画像処理装置
JPH02237277A (ja) 1989-03-09 1990-09-19 Toshiba Corp Ｘ線診断装置
US5028784A (en) * 1989-04-11 1991-07-02 Fuji Photo Film Co., Ltd. Method for generating radiation image signals, image processing method, and radiation image read-out apparatus
US5150394A (en) * 1989-12-05 1992-09-22 University Of Massachusetts Medical School Dual-energy system for quantitative radiographic imaging
US5309496A (en) * 1992-12-23 1994-05-03 Winsor Robin W Filmless X-ray apparatus and method of using the same

Also Published As

Publication number Publication date
DE69836931T2 (de) 2007-11-15
EP0867835B1 (de) 2007-01-24
JPH10262961A (ja) 1998-10-06
US6285781B1 (en) 2001-09-04
EP0867835A2 (de) 1998-09-30
JP3459745B2 (ja) 2003-10-27
EP0867835A3 (de) 1998-12-02

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