CA1223980A - Method of adjusting radiation image read-out apparatus - Google Patents

Method of adjusting radiation image read-out apparatus

Info

Publication number
CA1223980A
CA1223980A CA000472852A CA472852A CA1223980A CA 1223980 A CA1223980 A CA 1223980A CA 000472852 A CA000472852 A CA 000472852A CA 472852 A CA472852 A CA 472852A CA 1223980 A CA1223980 A CA 1223980A
Authority
CA
Canada
Prior art keywords
read
image
light emission
stimulable phosphor
emission amount
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
CA000472852A
Other languages
English (en)
French (fr)
Inventor
Hirosi Tanaka
Nobuyoshi Nakajima
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
Application granted granted Critical
Publication of CA1223980A publication Critical patent/CA1223980A/en
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
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiography Using Non-Light Waves (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
CA000472852A 1984-01-26 1985-01-25 Method of adjusting radiation image read-out apparatus Expired CA1223980A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12658/1984 1984-01-26
JP59012658A JPS60156055A (ja) 1984-01-26 1984-01-26 放射線画像情報読取条件決定方法

Publications (1)

Publication Number Publication Date
CA1223980A true CA1223980A (en) 1987-07-07

Family

ID=11811455

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000472852A Expired CA1223980A (en) 1984-01-26 1985-01-25 Method of adjusting radiation image read-out apparatus

Country Status (4)

Country Link
US (1) US4682028A (en, 2012)
EP (1) EP0150834A3 (en, 2012)
JP (1) JPS60156055A (en, 2012)
CA (1) CA1223980A (en, 2012)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0189209B1 (en) * 1985-01-25 1993-06-16 Fuji Photo Film Co., Ltd. Radiation image read-out method
US4904867A (en) * 1986-06-13 1990-02-27 Fuji Photo Film Co., Ltd. Radiation image read-out method and apparatus
US4970393A (en) * 1986-11-25 1990-11-13 Fuji Photo Film Co., Ltd. Irradiation field recognizing method, and method of adjusting image processing conditions using the same
JPS63133760A (ja) * 1986-11-25 1988-06-06 Fuji Photo Film Co Ltd 照射野認識方法および画像処理条件決定方法
US4859850A (en) * 1987-01-12 1989-08-22 Fuji Photo Film Co., Ltd. Irradiation field recognizing method, and method of adjusting image processing conditions using the same
JP2596734B2 (ja) * 1987-01-27 1997-04-02 富士写真フイルム 株式会社 画像処理条件決定方法
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
JPH0642882B2 (ja) * 1987-04-20 1994-06-08 富士写真フイルム株式会社 所望画像信号範囲決定方法
US4762998A (en) * 1987-05-12 1988-08-09 Eastman Kodak Company Method for reading out an image signal stored in a transparent photostimulable phosphor
JP2843912B2 (ja) * 1987-06-09 1999-01-06 キヤノン株式会社 画像処理方法
US4952805A (en) * 1987-08-20 1990-08-28 Fuji Photo Film Co., Ltd. Method of judging the presence or absence of a limited irradiation field, method of selecting a correct irradiation field, and method of judging correctness or incorrectness of an irradiation field
JP2631663B2 (ja) * 1987-08-20 1997-07-16 富士写真フイルム株式会社 所望画像信号範囲決定方法
JPH01128167A (ja) * 1987-11-12 1989-05-19 Fujitsu Ltd カードのイメージ読取り装置
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
US5081580A (en) * 1988-04-20 1992-01-14 Fuji Photo Film Co., Ltd. Method for recognizing an irradiation field, and method for judging the correctness or incorrectness of prospective contour points of an irradiation field
DE68926940T2 (de) * 1988-06-30 1997-01-09 Dainippon Screen Mfg Verfahren zur Erzeugung einer Abstufungskorrekturkurve zur Korrektur des Abstufungscharakters eines Bildes
JPH0789371B2 (ja) * 1988-09-28 1995-09-27 富士写真フイルム株式会社 所望画像信号範囲決定方法
JPH083839B2 (ja) * 1988-10-04 1996-01-17 富士写真フイルム株式会社 放射線照射野認識方法
JP3030556B2 (ja) * 1988-10-17 2000-04-10 富士写真フイルム株式会社 放射線画像情報処理方法
JP2952416B2 (ja) * 1988-10-17 1999-09-27 富士写真フイルム株式会社 放射線画像情報処理方法
US5651362A (en) * 1989-03-29 1997-07-29 Fuji Photo Film Co., Ltd. Support apparatus for use with radiation image information processing system
JP2631742B2 (ja) * 1989-04-14 1997-07-16 富士写真フイルム株式会社 被写体像内画像点決定方法
US5198669A (en) * 1989-09-20 1993-03-30 Fujitsu Limited Digital X-ray image processing apparatus
US5124913A (en) * 1989-12-18 1992-06-23 Eastman Kodak Co. Rule-based technique to automatically determine the final scan gain in storage phosphor radiography
US5046118A (en) * 1990-02-06 1991-09-03 Eastman Kodak Company Tone-scale generation method and apparatus for digital x-ray images
US5283736A (en) * 1990-11-29 1994-02-01 Konica Corporation Radiographic image processing apparatus
JP2694580B2 (ja) * 1991-03-07 1997-12-24 富士写真フイルム株式会社 被写体像内画像点決定方法
JP2676009B2 (ja) * 1991-12-26 1997-11-12 富士写真フイルム株式会社 放射線画像読取条件および／または画像処理条件決定方法および装置ならびに放射線画像解析方法および装置
US5764791A (en) * 1992-03-05 1998-06-09 Fuji Photo Film Co., Ltd. Method for determining the shape and location of an irradiation field
JP2932020B2 (ja) * 1992-10-15 1999-08-09 富士写真フイルム株式会社 マーゲン画像読取条件および／または画像処理条件決定方法
DE69308024T2 (de) * 1993-11-23 1997-08-14 Agfa Gevaert Nv Verfahren und Anordnung zur Lokalisierung von gesättigten Bildelementen auf einer Röntgenbildanzeigevorrichtung
JPH08115418A (ja) * 1994-10-17 1996-05-07 Nec Corp 画像処理方法
US5761333A (en) * 1995-01-31 1998-06-02 General Electric Company Contrast enhancement for CT systems
US5541028A (en) * 1995-02-02 1996-07-30 Eastman Kodak Company Constructing tone scale curves
JP4794319B2 (ja) * 2006-03-03 2011-10-19 富士フイルム株式会社 放射線画像撮影装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284306A1 (fr) * 1974-09-13 1976-04-09 Thomson Csf Perfectionnements aux appareils de visualisation d'une section d'un corps soumis a des radiations penetrantes, et notamment a des rayonx x ou g
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
JPS55116339A (en) * 1979-02-28 1980-09-06 Fuji Photo Film Co Ltd Method and device for processing gradation of radiation picture of chest
JPS55116340A (en) * 1979-02-28 1980-09-06 Fuji Photo Film Co Ltd Method and device for processing gradation of radiation picture
JPS5611348A (en) * 1979-07-11 1981-02-04 Fuji Photo Film Co Ltd Gradation processing method of radiation picture
US4530011A (en) * 1981-06-19 1985-07-16 Loge/Dunn Instruments, Inc. Apparatus for maintaining of a cathode ray tube image within the light acceptance range of a photographic film
JPS5867243A (ja) * 1981-10-16 1983-04-21 富士写真フイルム株式会社 放射線画像情報読取装置
JPS5867244A (ja) * 1981-10-16 1983-04-21 富士写真フイルム株式会社 放射線画像情報読取装置
JPS5868040A (ja) * 1981-10-19 1983-04-22 Konan Camera Kenkyusho:Kk 階調修正量測定装置
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

Also Published As

Publication number Publication date
JPH0322968B2 (en, 2012) 1991-03-28
JPS60156055A (ja) 1985-08-16
EP0150834A3 (en) 1989-01-25
EP0150834A2 (en) 1985-08-07
US4682028A (en) 1987-07-21

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