DE3783337T2 - Geraete und verfahren zur bildverarbeitung. - Google Patents

Geraete und verfahren zur bildverarbeitung.

Info

Publication number
DE3783337T2
DE3783337T2 DE8787309897T DE3783337T DE3783337T2 DE 3783337 T2 DE3783337 T2 DE 3783337T2 DE 8787309897 T DE8787309897 T DE 8787309897T DE 3783337 T DE3783337 T DE 3783337T DE 3783337 T2 DE3783337 T2 DE 3783337T2
Authority
DE
Germany
Prior art keywords
devices
image processing
image
processing
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
DE8787309897T
Other languages
English (en)
Other versions
DE3783337D1 (de
Inventor
Richard A Sones
Karen L Lauro
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.)
Philips Nuclear Medicine Inc
Original Assignee
Picker International 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 Picker International Inc filed Critical Picker International Inc
Application granted granted Critical
Publication of DE3783337D1 publication Critical patent/DE3783337D1/de
Publication of DE3783337T2 publication Critical patent/DE3783337T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Image Analysis (AREA)
DE8787309897T 1986-11-26 1987-11-09 Geraete und verfahren zur bildverarbeitung. Expired - Fee Related DE3783337T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/935,282 US4792900A (en) 1986-11-26 1986-11-26 Adaptive filter for dual energy radiographic imaging

Publications (2)

Publication Number Publication Date
DE3783337D1 DE3783337D1 (de) 1993-02-11
DE3783337T2 true DE3783337T2 (de) 1993-05-27

Family

ID=25466857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787309897T Expired - Fee Related DE3783337T2 (de) 1986-11-26 1987-11-09 Geraete und verfahren zur bildverarbeitung.

Country Status (4)

Country Link
US (1) US4792900A (de)
EP (1) EP0269302B1 (de)
JP (1) JP2719784B2 (de)
DE (1) DE3783337T2 (de)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907156A (en) * 1987-06-30 1990-03-06 University Of Chicago Method and system for enhancement and detection of abnormal anatomic regions in a digital image
US5276614A (en) * 1989-11-17 1994-01-04 Picker International, Inc. Dynamic bandwidth reconstruction
NL8900217A (nl) * 1989-01-30 1990-08-16 Philips Nv Werkwijze voor het bepalen van een modulatie overdrachtfunctie van een digitaal beeldvormend systeem.
DE69033383T4 (de) * 1989-06-26 2000-11-23 Fuji Photo Film Co Ltd Gerät zum Ermitteln von abnormalen Mustern
US5850465A (en) * 1989-06-26 1998-12-15 Fuji Photo Film Co., Ltd. Abnormnal pattern detecting or judging apparatus, circular pattern judging apparatus, and image finding apparatus
US5003618A (en) * 1989-07-14 1991-03-26 University Of Pittsburgh Of The Commonwealth System Of Higher Education Automatic adaptive anisotropic digital filtering and biasing of digitized images
JP2574181B2 (ja) * 1989-10-19 1997-01-22 富士写真フイルム株式会社 異常陰影検出装置
JP2670635B2 (ja) * 1989-10-19 1997-10-29 富士写真フイルム株式会社 エネルギーサブトラクション画像の表示方法および装置
US5049746A (en) * 1989-10-19 1991-09-17 Fuji Photo Film Co., Ltd. Method and apparatus for displaying energy subtraction images
US5212637A (en) * 1989-11-22 1993-05-18 Stereometrix Corporation Method of investigating mammograms for masses and calcifications, and apparatus for practicing such method
US5150394A (en) * 1989-12-05 1992-09-22 University Of Massachusetts Medical School Dual-energy system for quantitative radiographic imaging
US6031892A (en) * 1989-12-05 2000-02-29 University Of Massachusetts Medical Center System for quantitative radiographic imaging
DE68916964T2 (de) * 1989-12-28 1995-03-30 Matsushita Electric Ind Co Ltd Energiedifferenz-Bildverarbeitungsverfahren.
US5123056A (en) * 1990-02-02 1992-06-16 Siemens Medical Systems, Inc. Whole-leg x-ray image processing and display techniques
DE4033716A1 (de) * 1990-10-24 1992-04-30 Philips Patentverwaltung Verfahren zur dynamikkompression in roentgenaufnahmen und vorrichtung zur durchfuehrung des verfahrens
US5243664A (en) * 1991-09-16 1993-09-07 Picker International, Inc. Post-processing technique for reducing metallic clip artifacts in CT images
US5224177A (en) * 1991-10-31 1993-06-29 The University Of Chicago High quality film image correction and duplication method and system
FR2687034B1 (fr) * 1992-02-04 1994-04-01 Isaac Azancot Procede et appareil de traitement-enregistrement et de reconstitution d'un signal video analogique haute resolution a cadence video normalisee destine aux procedures d'angiographie et d'angioplastie cardio vasculaire en temps reel.
US5602934A (en) * 1993-09-08 1997-02-11 The Regents Of The University Of California Adaptive digital image signal filtering
US5418832A (en) * 1993-11-05 1995-05-23 Barnes; Gary T. Scanning radiographic device with slit, slot and grid
US5432834A (en) * 1993-11-22 1995-07-11 Hologic, Inc. Whole-body dual-energy bone densitometry using a narrow angle fan beam to cover the entire body in successive scans
US6217214B1 (en) 1993-11-22 2001-04-17 Hologic, Inc. X-ray bone densitometry apparatus
US5835616A (en) * 1994-02-18 1998-11-10 University Of Central Florida Face detection using templates
US5424946A (en) * 1994-04-28 1995-06-13 General Electric Company Adaptive angular transmission filter for pet scanner
US6052433A (en) * 1995-12-29 2000-04-18 Advanced Optical Technologies, Inc. Apparatus and method for dual-energy x-ray imaging
US5648997A (en) * 1995-12-29 1997-07-15 Advanced Optical Technologies, Inc. Apparatus and method for removing scatter from an x-ray image
JP3461236B2 (ja) * 1996-01-19 2003-10-27 キヤノン株式会社 放射線撮影装置並びに画像処理方法及び装置
JP3363735B2 (ja) * 1996-06-26 2003-01-08 松下電器産業株式会社 Ｘ線画像装置
JP4124380B2 (ja) * 1996-08-26 2008-07-23 富士フイルム株式会社 画像処理再生装置
IL119283A0 (en) 1996-09-19 1996-12-05 Elscint Ltd Adaptive filtering
US6252932B1 (en) * 1997-07-22 2001-06-26 Fuji Photo Film Co., Ltd. Method and apparatus for acquiring image information for energy subtraction processing
IL121773A0 (en) * 1997-09-15 1998-02-22 Elscint Ltd Method for improving CT images having high attenuation objects
US6269176B1 (en) 1998-12-21 2001-07-31 Eastman Kodak Company Method for x-ray antiscatter grid detection and suppression in digital radiography
US6246747B1 (en) * 1999-11-01 2001-06-12 Ge Lunar Corporation Multi-energy x-ray machine with reduced tube loading
US6510197B1 (en) 2000-01-11 2003-01-21 Alara, Inc. Method and apparatus for osteoporosis screening
JP2002022957A (ja) * 2000-07-12 2002-01-23 Nitto Denko Corp 光学フィルム及びそれを用いた液晶表示装置
US7162439B2 (en) * 2000-12-22 2007-01-09 General Electric Company Workstation configuration and selection method and apparatus
JP2002197440A (ja) * 2000-12-27 2002-07-12 Fuji Photo Film Co Ltd 放射線画像データ処理方法および装置
US6917697B2 (en) * 2001-05-08 2005-07-12 Ge Medical Systems Global Technology Company, Llc Method and apparatus to automatically determine tissue cancellation parameters in X-ray dual energy imaging
US6661867B2 (en) * 2001-10-19 2003-12-09 Control Screening, Llc Tomographic scanning X-ray inspection system using transmitted and compton scattered radiation
US6895077B2 (en) * 2001-11-21 2005-05-17 University Of Massachusetts Medical Center System and method for x-ray fluoroscopic imaging
US7297958B2 (en) * 2001-12-03 2007-11-20 Hitachi, Ltd. Radiological imaging apparatus
EP1316818A3 (de) 2001-12-03 2012-04-11 Hitachi, Ltd. Röntgenabbildungsvorrichtung
US7050618B2 (en) * 2002-02-08 2006-05-23 Eastman Kodak Company Method for antiscatter stationary grid artifacts detection and attenuation in digital radiographic images
US7263214B2 (en) * 2002-05-15 2007-08-28 Ge Medical Systems Global Technology Company Llc Computer aided diagnosis from multiple energy images
US7295691B2 (en) 2002-05-15 2007-11-13 Ge Medical Systems Global Technology Company, Llc Computer aided diagnosis of an image set
US7272429B2 (en) * 2002-11-27 2007-09-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for facilitating a reduction in artifacts
US20040120457A1 (en) * 2002-12-20 2004-06-24 University Of Massachusetts Medical Center Scatter reducing device for imaging
JP2004321310A (ja) * 2003-04-22 2004-11-18 Canon Inc 放射線撮像装置
JP2004347384A (ja) * 2003-05-21 2004-12-09 Hitachi Ltd Ｘ線ｃｔ装置及びｘ線ｃｔ装置による画像作成方法
US7010092B2 (en) * 2003-08-08 2006-03-07 Imaging Dynamics Company Ltd. Dual energy imaging using optically coupled digital radiography system
JP5037328B2 (ja) * 2004-03-01 2012-09-26 バリアン・メディカル・システムズ・インコーポレイテッド 物体の２エネルギー放射線走査
US7274771B2 (en) * 2005-05-03 2007-09-25 General Electric Company Methods and systems for controlling exposure for medical imaging devices
US20070025514A1 (en) * 2005-06-06 2007-02-01 Ruediger Lawaczeck X-ray arrangement for graphic display of an object under examination and use of the x-ray arrangement
KR100744555B1 (ko) 2005-12-08 2007-08-01 한국전자통신연구원 이중에너지감산촬영 영상을 이용한 폐 결절 부피 측정 방법및 장치
US7734080B2 (en) * 2005-12-08 2010-06-08 Electronics And Telecommunications Research Institute Method and device for measuring pulmonary nodule volume using dual-energy substraction image
DE102006015454A1 (de) * 2006-03-31 2007-10-18 Siemens Ag Verfahren und Vorrichtung zur automatischen Differenzierung von Nierensteintypen mittels Computertomographie
RU2437118C2 (ru) * 2006-08-09 2011-12-20 Конинклейке Филипс Электроникс, Н.В. Устройство и способ для спектральной компьютерной томографии
US20080167552A1 (en) * 2007-01-04 2008-07-10 General Electric Company System and method of generating an image of a contrast agent injected into an imaged subject
WO2008100471A1 (en) * 2007-02-12 2008-08-21 Carestream Health, Inc. Renormalization of dual-energy images
DE102007020642A1 (de) * 2007-04-30 2008-11-06 Dürr Dental GmbH & Co. KG Röntgengerät sowie Sensoreinheit für ein Röntgengerät
US20090060332A1 (en) * 2007-08-27 2009-03-05 Riverain Medical Group, Llc Object segmentation using dynamic programming
DE102007040519B4 (de) * 2007-08-28 2017-08-17 Siemens Healthcare Gmbh Verfahren zur Reduktion des Bildrauschens im Rahmen der Aufnahme eines Bildes mit zwei unterschiedlichen Röntgenspektren
US7734004B2 (en) * 2007-09-07 2010-06-08 The Board Of Trustees Of The Leland Stanford Junior University Gain correction for a CT system
JP5106978B2 (ja) * 2007-10-15 2012-12-26 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置
DE102008006361A1 (de) * 2008-01-28 2009-08-13 Siemens Aktiengesellschaft Verfahren zur Reduktion des Bildrauschens im Rahmen der Aufnahme eines Bildes mit zwei unterschiedlichen Strahlungsspektren
FR2927719B1 (fr) * 2008-02-19 2010-03-26 Gen Electric Procede de traitement d'images obtenues par tomosynthese et dispositif associe
US7903781B2 (en) * 2008-05-02 2011-03-08 L-3 Communications Security And Detection Systems, Inc. Determination of heavy particle stopping power
US8633445B2 (en) * 2008-05-19 2014-01-21 Varian Medical Systems, Inc. Multi-energy X-ray imaging
DE102008063311A1 (de) * 2008-12-30 2010-07-08 Siemens Aktiengesellschaft Verfahren zur Rauschreduktion von CT-Bilddaten und Bildbearbeitungssystem
US8280135B2 (en) * 2009-01-20 2012-10-02 Mayo Foundation For Medical Education And Research System and method for highly attenuating material artifact reduction in x-ray computed tomography
US9332907B2 (en) * 2009-02-11 2016-05-10 Siemens Medical Solutions Usa, Inc. Extracting application dependent extra modal information from an anatomical imaging modality for use in reconstruction of functional imaging data
US8903153B2 (en) 2009-12-22 2014-12-02 Koninklijke Philips N.V. Bone suppression in x-ray radiograms
JP5626835B2 (ja) * 2010-01-12 2014-11-19 株式会社イシダ Ｘ線検査装置
CN103308535B (zh) * 2012-03-09 2016-04-13 同方威视技术股份有限公司 用于射线扫描成像的设备和方法
JP6125257B2 (ja) * 2013-02-08 2017-05-10 東芝メディカルシステムズ株式会社 医用診断装置および画像処理装置
JP6351164B2 (ja) * 2014-06-12 2018-07-04 国立研究開発法人量子科学技術研究開発機構 ビーム照射対象確認装置、ビーム照射対象確認プログラム、および阻止能比算出プログラム
KR102325343B1 (ko) * 2016-10-31 2021-11-11 삼성전자주식회사 의료 영상 장치 및 의료 영상 처리 방법
JP6758249B2 (ja) * 2017-05-18 2020-09-23 富士フイルム株式会社 画像処理装置、放射線画像撮影システム、画像処理方法、及び画像処理プログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217641A (en) * 1978-04-28 1980-08-12 U.S. Philips Corporation Correction for polychromatic X-ray distortion in CT images
US4458267A (en) * 1981-10-06 1984-07-03 Analogic Corporation Digital x-ray system
US4506327A (en) * 1981-11-23 1985-03-19 General Electric Company Limited-angle imaging using multiple energy scanning
US4546255A (en) * 1982-04-12 1985-10-08 Medtronic, Inc. Energy window selection for a radiation signal processing system
US4463375A (en) * 1982-09-07 1984-07-31 The Board Of Trustees Of The Leland Standford Junior University Multiple-measurement noise-reducing system
US4570224A (en) * 1982-11-29 1986-02-11 Elscint, Inc. Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images
US4503461A (en) * 1983-02-22 1985-03-05 The Board Of Trustees Of The Leland, Stanford Junior University Multiple measurement noise reducing system using space-variant filters
US4499493A (en) * 1983-02-22 1985-02-12 The Board Of Trustees Of The Leland Stanford Junior University Multiple measurement noise reducing system using artifact edge identification and selective signal processing
DE3342353A1 (de) * 1983-11-23 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zum betrieb eines computertomographen
US4682291A (en) * 1984-10-26 1987-07-21 Elscint Ltd. Noise artifacts reduction
US4718010A (en) * 1984-12-28 1988-01-05 Kabushiki Kaisha Toshiba CT system for creating image data from high and low energy radiation

Also Published As

Publication number Publication date
EP0269302A2 (de) 1988-06-01
US4792900A (en) 1988-12-20
JPS63147437A (ja) 1988-06-20
EP0269302B1 (de) 1992-12-30
JP2719784B2 (ja) 1998-02-25
EP0269302A3 (en) 1989-09-20
DE3783337D1 (de) 1993-02-11

Similar Documents

Publication Publication Date Title
DE3783337T2 (de) Geraete und verfahren zur bildverarbeitung.
DE3682249D1 (de) Verfahren zur bildbearbeitung und geraet zur bilderzeugung.
DE3770368D1 (de) Verfahren und geraet zur interaktiven bildaenderung.
DE3586559T2 (de) Verfahren und vorrichtung zur bearbeitung von strahlungsbildern.
DE3854243D1 (de) Verfahren und Vorrichtung zur Farbbilderverarbeitung.
DE3853393D1 (de) Verfahren und Vorrichtung zur zweidimensionalen Bilderstellung.
DE3851774T2 (de) Verfahren und Vorrichtung zur Bildmanipulation.
DE3785890D1 (de) Verfahren und einrichtung zur abstimmung.
DE3781313T2 (de) Verfahren und vorrichtung.
DE3751540D1 (de) Verfahren und Vorrichtung zur Datenverarbeitung.
DE3586510D1 (de) Verfahren und vorrichtung zur bilduebertragung.
DE3853938D1 (de) Verfahren und Gerät zur Kopiervermeidung.
DE3650332T2 (de) Verfahren und Gerät zur Bilddatenverarbeitung.
DE3789091D1 (de) Bildverarbeitungsverfahren und -system zur Bildrekonstruktion.
DE3766124D1 (de) Verfahren und vorrichtung zur sprachverarbeitung.
DE3789912D1 (de) System und Verfahren zur Bildverarbeitung.
DE3580254D1 (de) Vorrichtung und verfahren zur bildabtastung und -verarbeitung.
DE69113858D1 (de) Verfahren und Gerät zur Bildverarbeitung.
DE3783878T2 (de) Geraet und verfahren zur bildaufzeichnung.
DE3886814D1 (de) Verfahren und Einrichtung zur Bildverarbeitung.
DE3785338T2 (de) Vorrichtung und verfahren zur dampflaminierung.
DE3787326D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung.
DE3854385D1 (de) Verfahren zur Farbbildverarbeitung und Gerät dafür.
DE68929236D1 (de) Verfahren zur Bildverarbeitung
DE3883139D1 (de) Verfahren und geraet zur bildaufnahme.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC., CLEVELA

8339 Ceased/non-payment of the annual fee