FR2450472B1 - Procede de traitement d'image par gradation et appareil pour systeme d'enregistrement d'image par rayonnement - Google Patents

Procede de traitement d'image par gradation et appareil pour systeme d'enregistrement d'image par rayonnement

Info

Publication number
FR2450472B1
FR2450472B1 FR8004336A FR8004336A FR2450472B1 FR 2450472 B1 FR2450472 B1 FR 2450472B1 FR 8004336 A FR8004336 A FR 8004336A FR 8004336 A FR8004336 A FR 8004336A FR 2450472 B1 FR2450472 B1 FR 2450472B1
Authority
FR
France
Prior art keywords
processing method
recording system
image processing
image recording
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
Application number
FR8004336A
Other languages
English (en)
Other versions
FR2450472A1 (fr
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of FR2450472A1 publication Critical patent/FR2450472A1/fr
Application granted granted Critical
Publication of FR2450472B1 publication Critical patent/FR2450472B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/2012—Measuring radiation intensity with scintillation detectors using stimulable phosphors, e.g. stimulable phosphor sheets
    • G01T1/2014—Reading out of stimulable sheets, e.g. latent image
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens

Landscapes

  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Image Analysis (AREA)
  • Radiography Using Non-Light Waves (AREA)
FR8004336A 1979-02-28 1980-02-27 Procede de traitement d'image par gradation et appareil pour systeme d'enregistrement d'image par rayonnement Expired FR2450472B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2309179A JPS55116339A (en) 1979-02-28 1979-02-28 Method and device for processing gradation of radiation picture of chest

Publications (2)

Publication Number Publication Date
FR2450472A1 FR2450472A1 (fr) 1980-09-26
FR2450472B1 true FR2450472B1 (fr) 1985-11-22

Family

ID=12100749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004336A Expired FR2450472B1 (fr) 1979-02-28 1980-02-27 Procede de traitement d'image par gradation et appareil pour systeme d'enregistrement d'image par rayonnement

Country Status (3)

Country Link
US (1) US4302672A (fr)
JP (1) JPS55116339A (fr)
FR (1) FR2450472B1 (fr)

Families Citing this family (58)

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US4581535A (en) * 1981-10-16 1986-04-08 Fuji Photo Film Co., Ltd. Method of recording X-ray image
CA1192674A (fr) * 1981-10-16 1985-08-27 Hisatoyo Kato Systeme d'enregistrement et de lecture d'images par rayonnement
JPS5889244A (ja) * 1981-11-25 1983-05-27 富士写真フイルム株式会社 放射線画像情報読取方法
JPH0685045B2 (ja) 1982-05-19 1994-10-26 富士写真フイルム株式会社 放射線画像情報変換方法および装置
JPS5928144A (ja) * 1982-08-09 1984-02-14 Fuji Photo Film Co Ltd 放射線画像再生装置
JPS5940830A (ja) * 1982-08-31 1984-03-06 浜松ホトニクス株式会社 レ−ザ光パルスを用いた癌の診断装置
JPS5983150A (ja) * 1982-11-04 1984-05-14 Fuji Photo Film Co Ltd 感光材料階調補正方法
JPS5983148A (ja) * 1982-11-04 1984-05-14 Fuji Photo Film Co Ltd 放射線画像デ−タの保存方法
US4710939A (en) * 1983-07-23 1987-12-01 Quantum Diagnostics Ltd. X-ray frequency down converter
JPS60111571A (ja) * 1983-11-21 1985-06-18 Fuji Photo Film Co Ltd 放射線画像情報読取装置
JPS60151786A (ja) * 1984-01-19 1985-08-09 Fuji Photo Film Co Ltd 放射線画像情報読取階調処理方法および装置
JPS60156055A (ja) * 1984-01-26 1985-08-16 Fuji Photo Film Co Ltd 放射線画像情報読取条件決定方法
JPH0638150B2 (ja) * 1984-03-05 1994-05-18 富士写真フイルム株式会社 放射線画像情報読取条件決定方法
DE3583065D1 (de) * 1984-04-23 1991-07-11 Fuji Photo Film Co Ltd Schwaerzungsgrad-korrekturverfahren sowie vorrichtung fuer subtraktionsbilder.
JPS6196868A (ja) * 1984-10-18 1986-05-15 Fuji Photo Film Co Ltd 放射線画像情報読取装置
JPS61103142A (ja) * 1984-10-27 1986-05-21 Fuji Photo Film Co Ltd 放射線画像情報記録再生方法
US5144687A (en) * 1985-03-02 1992-09-01 Kabushika Kaisha Toshiba Image processing apparatus including spatial shift variant filter
DE3650496T2 (de) * 1985-04-17 1996-10-31 Hitachi Ltd Bildverarbeitungsgerät
JPS6292659A (ja) * 1985-10-18 1987-04-28 Fuji Photo Film Co Ltd 放射線画像情報読取方法
JPS62116239A (ja) * 1985-11-15 1987-05-27 Konishiroku Photo Ind Co Ltd Ｘ線画像処理方法及び装置
EP0233495B1 (fr) 1986-01-21 1991-03-27 Fuji Photo Film Co., Ltd. Dispositif de reproduction d'image de rayonnement
EP0237023B1 (fr) * 1986-03-10 1990-07-11 Fuji Photo Film Co., Ltd. Appareil de triage pour les images radiologiques
US4731863A (en) * 1986-04-07 1988-03-15 Eastman Kodak Company Digital image processing method employing histogram peak detection
JPS63167345A (ja) * 1986-12-29 1988-07-11 Fuji Photo Film Co Ltd 放射線画像情報読取方法
JPH0671300B2 (ja) * 1987-03-20 1994-09-07 富士写真フイルム株式会社 放射線画像情報の読取処理条件決定装置
US5042077A (en) * 1987-10-02 1991-08-20 General Electric Company Method of highlighting subtle contrast in graphical images
JPH01139577U (fr) * 1988-03-10 1989-09-25
JPH0792830B2 (ja) * 1988-03-19 1995-10-09 富士写真フイルム株式会社 放射線画像情報読取方法
JP2527361B2 (ja) * 1988-03-19 1996-08-21 富士写真フイルム株式会社 放射線画像読取再生装置
US5151947A (en) * 1989-11-28 1992-09-29 Konica Corporation Method and apparatus for processing radiation image
JP2663189B2 (ja) * 1990-01-29 1997-10-15 富士写真フイルム株式会社 画像のダイナミックレンジ圧縮処理方法
US5046118A (en) * 1990-02-06 1991-09-03 Eastman Kodak Company Tone-scale generation method and apparatus for digital x-ray images
JP2707363B2 (ja) * 1990-10-20 1998-01-28 富士写真フイルム株式会社 放射線画像読取装置
US5172419A (en) * 1991-03-05 1992-12-15 Lumisys, Inc. Medical image processing system
US5438633A (en) * 1991-09-10 1995-08-01 Eastman Kodak Company Method and apparatus for gray-level quantization
DE69213380T2 (de) * 1991-09-27 1997-03-20 Agfa Gevaert Nv Reproduktionsverfahren für medizinische Bilder,das optimale Bildqualität für Diagnose herstellt
US5224177A (en) * 1991-10-31 1993-06-29 The University Of Chicago High quality film image correction and duplication method and system
US5164993A (en) * 1991-11-25 1992-11-17 Eastman Kodak Company Method and apparatus for automatic tonescale generation in digital radiographic images
JP3384580B2 (ja) * 1992-04-30 2003-03-10 株式会社リコー 地肌除去方法
JP3196864B2 (ja) * 1993-04-19 2001-08-06 富士写真フイルム株式会社 画像のダイナミックレンジ圧縮処理方法
IL119767A (en) * 1993-08-13 1998-02-08 Sophis View Tech Ltd System and method for diagnosis of living tissue diseases
JP3290027B2 (ja) * 1994-04-06 2002-06-10 株式会社モリタ製作所 Ｘ線画像表示方法および装置
EP0811205B1 (fr) * 1994-11-25 2003-09-10 Sophisview Technologies, Ltd Systeme et procede de diagnostic de maladies des tissus vivants
US5761333A (en) * 1995-01-31 1998-06-02 General Electric Company Contrast enhancement for CT systems
US5633511A (en) * 1995-12-22 1997-05-27 Eastman Kodak Company Automatic tone scale adjustment using image activity measures
US6226398B1 (en) * 1996-12-04 2001-05-01 Minolta-Qms, Inc. Method and apparatus for reformatting a high resolution image file for printing on a lower resolution printer
KR20020000138A (ko) 1998-11-25 2002-01-04 추후제출 이중 헤드를 갖는 형광 스크린 스캐닝 장치
US7162439B2 (en) * 2000-12-22 2007-01-09 General Electric Company Workstation configuration and selection method and apparatus
EP1365575A1 (fr) * 2002-05-23 2003-11-26 GRETAG IMAGING Trading AG Procédé et dispositif pour l'amélioration du contraste d'image
US7228004B2 (en) * 2002-09-05 2007-06-05 Eastman Kodak Company Method for sharpening a digital image
US20050012057A1 (en) * 2003-05-08 2005-01-20 Alara, Inc. Method and apparatus for radiation image erasure
JP2006201131A (ja) * 2005-01-24 2006-08-03 Anritsu Sanki System Co Ltd Ｘ線異物検出装置
US7486835B2 (en) * 2005-03-17 2009-02-03 Delphi Technologies, Inc. System and method for enhancing an image
US8150110B2 (en) * 2006-11-22 2012-04-03 Carestream Health, Inc. ROI-based rendering for diagnostic image consistency
DE102008019649A1 (de) * 2008-04-18 2009-10-29 Siemens Aktiengesellschaft Verfahren zur Auswertung von Bilddaten
US8588485B2 (en) 2008-11-25 2013-11-19 Carestream Health, Inc. Rendering for improved diagnostic image consistency
US8290295B2 (en) * 2009-03-03 2012-10-16 Microsoft Corporation Multi-modal tone-mapping of images
EP4249958A1 (fr) * 2020-11-20 2023-09-27 J. Morita Manufacturing Corporation Système de traitement d'image et dispositif de traitement d'image

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US2262156A (en) * 1940-06-05 1941-11-11 Ass Press Method and means for electrically compensating for photographic distortion
GB1236377A (en) * 1967-09-04 1971-06-23 Crosfield Electronics Ltd Improvements relating to non-linear function generators
US3859527A (en) * 1973-01-02 1975-01-07 Eastman Kodak Co Apparatus and method for producing images corresponding to patterns of high energy radiation
US3975637A (en) * 1973-10-23 1976-08-17 Matsushita Electric Industrial Co., Ltd. Device for storage and display of a radiation image
US3988602A (en) * 1975-02-03 1976-10-26 Goodyear Aerospace Corporation Method and apparatus for enhancing data
US4149076A (en) * 1976-04-05 1979-04-10 Albert Richard D Method and apparatus producing plural images of different contrast range by X-ray scanning
JPS5588740A (en) * 1978-12-26 1980-07-04 Fuji Photo Film Co Ltd Method of treating gradation of radiation picture of breast and its device

Also Published As

Publication number Publication date
US4302672A (en) 1981-11-24
JPS6253179B2 (fr) 1987-11-09
JPS55116339A (en) 1980-09-06
FR2450472A1 (fr) 1980-09-26

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