DE68928939T2 - Quantitatives rechnergestütztes tomographiesystem - Google Patents

Quantitatives rechnergestütztes tomographiesystem

Info

Publication number
DE68928939T2
DE68928939T2 DE68928939T DE68928939T DE68928939T2 DE 68928939 T2 DE68928939 T2 DE 68928939T2 DE 68928939 T DE68928939 T DE 68928939T DE 68928939 T DE68928939 T DE 68928939T DE 68928939 T2 DE68928939 T2 DE 68928939T2
Authority
DE
Germany
Prior art keywords
numbers
tissues
peak
histogram
calculating
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
DE68928939T
Other languages
English (en)
Other versions
DE68928939D1 (de
Inventor
David Goodenough
Charles Stockham
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.)
COLUMBIA SCIENT Inc
Original Assignee
COLUMBIA SCIENT 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 COLUMBIA SCIENT Inc filed Critical COLUMBIA SCIENT Inc
Application granted granted Critical
Publication of DE68928939D1 publication Critical patent/DE68928939D1/de
Publication of DE68928939T2 publication Critical patent/DE68928939T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30008—Bone

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE68928939T 1988-11-29 1989-11-28 Quantitatives rechnergestütztes tomographiesystem Expired - Fee Related DE68928939T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/277,269 US5068788A (en) 1988-11-29 1988-11-29 Quantitative computed tomography system
PCT/US1989/005277 WO1990006557A1 (en) 1988-11-29 1989-11-28 Quantitative computed tomography system

Publications (2)

Publication Number Publication Date
DE68928939D1 DE68928939D1 (de) 1999-04-08
DE68928939T2 true DE68928939T2 (de) 1999-09-30

Family

ID=23060127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68928939T Expired - Fee Related DE68928939T2 (de) 1988-11-29 1989-11-28 Quantitatives rechnergestütztes tomographiesystem

Country Status (6)

Country Link
US (1) US5068788A (de)
EP (1) EP0448627B1 (de)
JP (1) JP2817743B2 (de)
AT (1) ATE177229T1 (de)
DE (1) DE68928939T2 (de)
WO (1) WO1990006557A1 (de)

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JP3342742B2 (ja) * 1993-04-22 2002-11-11 株式会社日立メディコ 画像処理装置
US5426684A (en) * 1993-11-15 1995-06-20 Eastman Kodak Company Technique for finding the histogram region of interest for improved tone scale reproduction of digital radiographic images
EP0677823B1 (de) * 1994-04-15 2000-05-24 Fuji Photo Film Co., Ltd. Vorrichtung zur Bildanalyse
US5627908A (en) * 1994-09-20 1997-05-06 Neopath, Inc. Method for cytological system dynamic normalization
JP3363735B2 (ja) * 1996-06-26 2003-01-08 松下電器産業株式会社 Ｘ線画像装置
US5936684A (en) * 1996-10-29 1999-08-10 Seiko Epson Corporation Image processing method and image processing apparatus
US6246784B1 (en) 1997-08-19 2001-06-12 The United States Of America As Represented By The Department Of Health And Human Services Method for segmenting medical images and detecting surface anomalies in anatomical structures
US6018590A (en) * 1997-10-07 2000-01-25 Eastman Kodak Company Technique for finding the histogram region of interest based on landmark detection for improved tonescale reproduction of digital radiographic images
US6067340A (en) * 1998-07-06 2000-05-23 Eppstein; Margaret J. Three-dimensional stochastic tomography with upscaling
KR100283106B1 (ko) * 1998-10-28 2001-03-02 정선종 전산화 단층촬영에서 가우시안 함수 근사에 의한 체지방 범위설정 방법
US6298315B1 (en) * 1998-12-11 2001-10-02 Wavecrest Corporation Method and apparatus for analyzing measurements
US6772132B1 (en) * 2000-03-02 2004-08-03 Trading Technologies International, Inc. Click based trading with intuitive grid display of market depth
JP4610731B2 (ja) * 2000-12-26 2011-01-12 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 Ｃｔ断層像の画像診断装置、ｘ線ｃｔ装置、及びプログラム
JP3619158B2 (ja) * 2001-02-13 2005-02-09 キヤノン株式会社 画像処理装置、画像処理システム、画像処理方法、画像処理方法プログラム及び記録媒体
US20030036083A1 (en) * 2001-07-19 2003-02-20 Jose Tamez-Pena System and method for quantifying tissue structures and their change over time
US20030088177A1 (en) * 2001-09-05 2003-05-08 Virtualscopics, Llc System and method for quantitative assessment of neurological diseases and the change over time of neurological diseases
US20030072479A1 (en) * 2001-09-17 2003-04-17 Virtualscopics System and method for quantitative assessment of cancers and their change over time
JP2005516643A (ja) * 2001-09-17 2005-06-09 ヴァーチャルスコピックス リミテッド ライアビリティ カンパニー 癌および癌の時間変化を定量的に評価するためのシステムおよび方法
US6990222B2 (en) * 2001-11-21 2006-01-24 Arnold Ben A Calibration of tissue densities in computerized tomography
US8649843B2 (en) * 2001-11-24 2014-02-11 Ben A. Arnold Automated calcium scoring of the aorta
AU2002348241A1 (en) * 2001-11-24 2003-06-10 Image Analysis, Inc. Automatic detection and quantification of coronary and aortic calcium
JP2004030596A (ja) * 2002-05-10 2004-01-29 Canon Inc 画像階調変換方法、画像階調変換装置、システム、プログラム及び記憶媒体
US7295691B2 (en) * 2002-05-15 2007-11-13 Ge Medical Systems Global Technology Company, Llc Computer aided diagnosis of an image set
US7260250B2 (en) * 2002-09-30 2007-08-21 The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services Computer-aided classification of anomalies in anatomical structures
JP2006518074A (ja) * 2003-02-18 2006-08-03 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 組織混合を使ったボリューム可視化
JP4077430B2 (ja) * 2003-07-31 2008-04-16 佳知 高石 骨密度評価装置および骨密度評価方法
WO2006077885A1 (ja) * 2005-01-19 2006-07-27 Hitachi Medical Corporation 画像診断支援装置及び画像診断支援プログラム
US7822253B2 (en) * 2006-07-12 2010-10-26 General Electric Company Methods and apparatus for BMD measuring
JP4437333B2 (ja) * 2007-09-28 2010-03-24 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 画像処理方法および画像処理装置並びにプログラム
US8186880B1 (en) 2008-11-27 2012-05-29 Arnold Ben A Extended and fixed INTable simultaneously imaged calibration and correction methods and references for 3-D imaging devices
US8649577B1 (en) 2008-11-30 2014-02-11 Image Analysis, Inc. Automatic method and system for measurements of bone density and structure of the hip from 3-D X-ray imaging devices
JP2010205067A (ja) * 2009-03-04 2010-09-16 Fujifilm Corp 領域抽出装置、領域抽出方法及び領域抽出プログラム
US8831319B2 (en) * 2009-11-16 2014-09-09 Arineta Ltd. Method and system for calibrating CT images
US8517608B1 (en) 2011-08-03 2013-08-27 Ben A. Arnold System and method for calibration of CT scanners and display of images in density units without the use of water phantoms
WO2014205423A1 (en) 2013-06-21 2014-12-24 O.N.Diagnostics, LLC Quantitative phantomless calibration of computed tomography scans
TW201736865A (zh) * 2016-04-13 2017-10-16 Nihon Medi-Physics Co Ltd 來自核子醫學影像的生理累積之自動去除及ｃｔ影像之自動分段
TW201737206A (zh) * 2016-04-13 2017-10-16 Nihon Medi-Physics Co Ltd Ｃｔ影像中的骨區域之自動推定
CN111881910A (zh) * 2020-07-31 2020-11-03 杭州依图医疗技术有限公司 基于椎骨影像的信息处理方法及计算机可读存储介质

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JPS6239842A (ja) * 1985-08-15 1987-02-20 Fuji Photo Film Co Ltd 放射線画像情報読取方法
US4663772A (en) * 1985-09-30 1987-05-05 Picker International, Inc. Bone mineral analysis phantom
US4731863A (en) * 1986-04-07 1988-03-15 Eastman Kodak Company Digital image processing method employing histogram peak detection
US4856528A (en) * 1987-06-26 1989-08-15 John Hopkins University Tumor volume determination
US4873707A (en) * 1987-09-11 1989-10-10 Brigham & Women's Hospital X-ray tomography phantoms, method and system
US4788706A (en) * 1987-12-17 1988-11-29 General Electric Company Method of measurement of x-ray energy

Also Published As

Publication number Publication date
ATE177229T1 (de) 1999-03-15
US5068788A (en) 1991-11-26
JP2817743B2 (ja) 1998-10-30
EP0448627B1 (de) 1999-03-03
JPH04505863A (ja) 1992-10-15
EP0448627A4 (en) 1992-11-19
EP0448627A1 (de) 1991-10-02
WO1990006557A1 (en) 1990-06-14
DE68928939D1 (de) 1999-04-08

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee