KR850002390A - 엑스선 진단장치 - Google Patents

엑스선 진단장치 Download PDF

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Publication number
KR850002390A
KR850002390A KR1019840005873A KR840005873A KR850002390A KR 850002390 A KR850002390 A KR 850002390A KR 1019840005873 A KR1019840005873 A KR 1019840005873A KR 840005873 A KR840005873 A KR 840005873A KR 850002390 A KR850002390 A KR 850002390A
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KR
South Korea
Prior art keywords
image
obtaining
ray diagnostic
information according
gradation
Prior art date
Application number
KR1019840005873A
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English (en)
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KR870000634B1 (ko
Inventor
히로시 아사히나 (외 3)
Original Assignee
사바 쇼오이찌
가부시기 가이샤 도시바
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Publication of KR850002390A publication Critical patent/KR850002390A/ko
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Publication of KR870000634B1 publication Critical patent/KR870000634B1/ko

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    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/043—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Medical Informatics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Image Analysis (AREA)

Abstract

내용 없음

Description

엑스선 진단장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 종래의 엑스(X)선 디지틀 풀오로그라피(fullorography)를 사용한 엑스선 진단장치의 한 예의 구성을 도시하는 개략 블록도. 제2도는 동일예에 있어서의 윈도우 처리의 입출력 관계를 설명하는 도면. 제3도는 본 발명의 한 실시예의 구성을 도시하는 개략블록도.

Claims (1)

  1. 피검체를 투과한 엑스선에 의한 영상을 얻는 X선 촬영수단과, 이 엑스선 촬영수단으로부터의 영상신호를 디지틀 신호로 변환하는 A/D 콘버터와, A/D 콘버터로부터의 영상신화에 따른 화상정보를 기억하는 프레임 메모리를 가지는 엑스선 진단장치에 있어서, 상기 영상신호에 따르는 화상정보의 화면의 적어도 소요의 출력화상에 대응하는 부분에 대하여 화면분활에 의하여 블록으로 구분하여 각 블록마다의 계조의 평균치를 구하는 제1의 연산수단과, 이 연산수단에 의하여 얻은 블록마다의 계조의 평균치를 기억하는 메모리수단과, 상기 영상신호에 따르는 화상정보의 소정의 계조법위 부분의 계조성을 강조하는 윈도우 처리를 하고 표시 또는 기록에 사용하는 화상강조수단과, 상기 메모리수단에서 상기 출력화상의 원계조의 평균치 또는 중앙치, 피이크치 및 바닥치중에 적어도 2개를 구하고, 이들의 값에 따라 상기 윈도우 처리에 의한 화상강조 특성을 지정하는 정보를 구해서 상기 화상강조수단에 그 정보를 송출하는 제2의 연상수단을 구비한 것을 특징으로 하는 엑스선 진단장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840005873A 1983-09-30 1984-09-25 엑스선 진단장치 KR870000634B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58-182683 1983-09-30
JP58182683A JPS6075033A (ja) 1983-09-30 1983-09-30 Ｘ線診断装置

Publications (2)

Publication Number Publication Date
KR850002390A true KR850002390A (ko) 1985-05-13
KR870000634B1 KR870000634B1 (ko) 1987-04-03

Family

ID=16122605

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005873A KR870000634B1 (ko) 1983-09-30 1984-09-25 엑스선 진단장치

Country Status (5)

Country Link
US (1) US4688175A (ko)
EP (1) EP0136652B1 (ko)
JP (1) JPS6075033A (ko)
KR (1) KR870000634B1 (ko)
DE (1) DE3485335D1 (ko)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928253A (en) * 1986-01-25 1990-05-22 Fujitsu Limited Consecutive image processing system
JPS62181576A (ja) * 1986-02-05 1987-08-08 Fuji Photo Film Co Ltd 放射線画像情報圧縮方法
FR2595153B1 (fr) * 1986-02-28 1990-12-07 Thomson Cgr Systeme d'imagerie numerique a reglage de l'echelle des gris, notamment pour la visualisation des vaisseaux sanguins
JPS6311146A (ja) * 1986-07-02 1988-01-18 ジーイー横河メディカルシステム株式会社 画像診断装置
US4975970A (en) * 1987-03-18 1990-12-04 General Electric Company Image display having automatic image adjustment
DE3814089A1 (de) * 1987-04-27 1988-11-17 Toshiba Kawasaki Kk Verfahren und anordnung zum wiedergeben von reihenbildern
DE3818534A1 (de) * 1988-05-31 1989-12-07 Brunner Wolfgang Verfahren zum darstellen der ortsaufgeloesten verteilung von physikalischen groessen auf einer anzeige sowie vorrichtung zur durchfuehrung des verfahrens
US4985834A (en) * 1988-11-22 1991-01-15 General Electric Company System and method employing pipelined parallel circuit architecture for displaying surface structures of the interior region of a solid body
JPH02260073A (ja) * 1989-03-31 1990-10-22 Toshiba Corp 画像表示装置
EP0407685B1 (en) * 1989-07-14 1995-06-28 Hitachi, Ltd. Method for inspection of solder joints by x-ray fluoroscopic image and apparatus therefor
US5305204A (en) * 1989-07-19 1994-04-19 Kabushiki Kaisha Toshiba Digital image display apparatus with automatic window level and window width adjustment
JP2505889B2 (ja) * 1989-08-31 1996-06-12 キヤノン株式会社 画像処理装置
US5261050A (en) * 1990-07-27 1993-11-09 Eastman Kodak Company Apparatus for processing a digital image for window width, level and curve shape
US5189710A (en) * 1990-09-17 1993-02-23 Teknekron Communications Systems, Inc. Method and an apparatus for generating a video binary signal for a video image having a matrix of pixels
DE69124332T2 (de) * 1990-10-18 1997-08-28 Toshiba Kawasaki Kk Verfahren zur Diskriminierung von Röntgenkontrast- und -nichtkontrastbild und Bilderzeugungssystem mit Kontrastbild-Diskriminierungsfunktion
US5447153A (en) * 1993-07-02 1995-09-05 Eastman Kodak Company Real-time window/leveling on a radiographic workstation
US5592523A (en) * 1994-12-06 1997-01-07 Picker International, Inc. Two dimensional detector array for CT scanners
US6839403B1 (en) * 2000-07-24 2005-01-04 Rapiscan Security Products (Usa), Inc. Generation and distribution of annotation overlays of digital X-ray images for security systems
SE528089C2 (sv) * 2004-04-30 2006-08-29 Elekta Ab Metod och system för automatiskt förbättrande av användbarheten för en medicinsk bild
US20050244045A1 (en) * 2004-04-30 2005-11-03 Elekta Ab (Publ) Method and system for automatically improving the usability of a medical picture
JP5397673B2 (ja) * 2009-01-08 2014-01-22 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 血流動態解析装置、磁気共鳴イメージング装置、およびプログラム
JP2013202328A (ja) * 2012-03-29 2013-10-07 Toshiba Corp Ｘ線診断装置
US10345479B2 (en) 2015-09-16 2019-07-09 Rapiscan Systems, Inc. Portable X-ray scanner

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1574823A (en) * 1976-03-27 1980-09-10 Emi Ltd Video display arrangements
US4079417A (en) * 1976-07-06 1978-03-14 General Electric Company Digital video window control
US4105922A (en) * 1977-04-11 1978-08-08 General Electric Company CT number identifier in a computed tomography system
GB2061660B (en) * 1979-10-17 1983-08-24 Philips Electronic Associated Modifying the contrast of an image
JPS5778842A (en) * 1980-11-04 1982-05-17 Hitachi Medical Corp Window calculator circuit of ct apparatus
US4438495A (en) * 1981-11-13 1984-03-20 General Electric Company Tomography window-level gamma functions
DE3148789A1 (de) * 1981-12-09 1983-07-21 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikanlage fuer angiographische roentgenuntersuchungen
IL69326A (en) * 1983-07-26 1986-11-30 Elscint Ltd System and methods for translating radiation intensity into pixel values
JPS60117376A (ja) * 1983-11-29 1985-06-24 Yokogawa Medical Syst Ltd コンピュ−タ断層撮像装置用画像表示装置
US4593314A (en) * 1984-05-17 1986-06-03 The Kemp-Carraway Heart Institute Echocardiogram machine control

Also Published As

Publication number Publication date
EP0136652A3 (en) 1988-08-03
JPS6337661B2 (ko) 1988-07-26
US4688175A (en) 1987-08-18
EP0136652B1 (en) 1991-12-11
DE3485335D1 (de) 1992-01-23
EP0136652A2 (en) 1985-04-10
JPS6075033A (ja) 1985-04-27
KR870000634B1 (ko) 1987-04-03

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