DE3366802D1 - Subtraction processing method and apparatus for radiation images - Google Patents

Subtraction processing method and apparatus for radiation images

Info

Publication number
DE3366802D1
DE3366802D1 DE8383102787T DE3366802T DE3366802D1 DE 3366802 D1 DE3366802 D1 DE 3366802D1 DE 8383102787 T DE8383102787 T DE 8383102787T DE 3366802 T DE3366802 T DE 3366802T DE 3366802 D1 DE3366802 D1 DE 3366802D1
Authority
DE
Germany
Prior art keywords
processing method
subtraction processing
radiation images
radiation
images
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
DE8383102787T
Other languages
English (en)
Inventor
Nobuyoshi C O Fuji Ph Nakajima
Akihiro C O Fuji Photo Fi Ooga
Hisatoyo C O Fuji Photo F Kato
Takao C O Fuji Photo Fi Komaki
Tsutomu C O Fuji Photo Kimura
Toshitaka C O Fuji Photo Agano
Kazuhiro Hishinuma
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27550190&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3366802(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP57045473A external-priority patent/JPS58163338A/ja
Priority claimed from JP57045475A external-priority patent/JPS58163340A/ja
Priority claimed from JP57116457A external-priority patent/JPS597250A/ja
Priority claimed from JP57119297A external-priority patent/JPS5910839A/ja
Priority claimed from JP57142499A external-priority patent/JPS5932440A/ja
Priority claimed from JP57193769A external-priority patent/JPS5983487A/ja
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of DE3366802D1 publication Critical patent/DE3366802D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • 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)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
DE8383102787T 1982-03-20 1983-03-21 Subtraction processing method and apparatus for radiation images Expired DE3366802D1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP57045473A JPS58163338A (ja) 1982-03-20 1982-03-20 放射線画像のサプトラクシヨン処理方法
JP57045475A JPS58163340A (ja) 1982-03-20 1982-03-20 放射線画像のサブトラクシヨン処理方法
JP57116457A JPS597250A (ja) 1982-07-05 1982-07-05 放射線画像のサブトラクシヨン処理方法
JP57119297A JPS5910839A (ja) 1982-07-09 1982-07-09 サブトラクシヨン画像の処理方法
JP57142499A JPS5932440A (ja) 1982-08-17 1982-08-17 放射線画像のサブトラクシヨン処理方法
JP57193769A JPS5983487A (ja) 1982-11-04 1982-11-04 放射線画像のサブトラクシヨン処理方法

Publications (1)

Publication Number Publication Date
DE3366802D1 true DE3366802D1 (en) 1986-11-13

Family

ID=27550190

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8383102787T Expired DE3366802D1 (en) 1982-03-20 1983-03-21 Subtraction processing method and apparatus for radiation images
DE1983102787 Pending DE89665T1 (de) 1982-03-20 1983-03-21 System und anordnung zum subtrahieren von roentgenbildern.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1983102787 Pending DE89665T1 (de) 1982-03-20 1983-03-21 System und anordnung zum subtrahieren von roentgenbildern.

Country Status (2)

Country Link
EP (1) EP0089665B2 (de)
DE (2) DE3366802D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983486A (ja) * 1982-11-04 1984-05-14 Fuji Photo Film Co Ltd 放射線画像のエネルギ−・サブトラクシヨン方法およびその方法に用いられる蓄積性螢光体シ−ト、蓄積性螢光体シ−ト積層体並びに蓄積性螢光体シ−トフイルタ積層体
US4626688A (en) * 1982-11-26 1986-12-02 Barnes Gary T Split energy level radiation detection
JPS60108834A (ja) * 1983-11-17 1985-06-14 Fuji Photo Film Co Ltd 放射線画像情報の収録スケ−ル決定方法
CA1226976A (en) * 1984-03-30 1987-09-15 Nobuyoshi Nakajima Method and apparatus for automatically correcting subtraction image density
JPS60222034A (ja) * 1984-04-18 1985-11-06 富士写真フイルム株式会社 エネルギ−サブトラクシヨンにおける画像形成方法
EP0163903B1 (de) * 1984-04-23 1991-06-05 Fuji Photo Film Co., Ltd. Schwärzungsgrad-Korrekturverfahren sowie Vorrichtung für Subtraktionsbilder
JPS60225541A (ja) * 1984-04-24 1985-11-09 富士写真フイルム株式会社 エネルギ−サブトラクシヨン用高速撮影装置
JPS60234643A (ja) * 1984-05-09 1985-11-21 富士写真フイルム株式会社 放射線画像情報再生方法及び装置
US4816681A (en) * 1984-10-02 1989-03-28 Fuji Photo Film Co., Ltd. Method and apparatus for improving quality of energy subtraction image
US4963746A (en) * 1986-11-25 1990-10-16 Picker International, Inc. Split energy level radiation detection
US5105451A (en) * 1988-12-07 1992-04-14 Eastman Kodak Company Electrographic process utilizing fluorescent toner and filtered detector for generating an electrical image signal
JP2627097B2 (ja) * 1990-04-04 1997-07-02 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生成方法および装置
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
DE19719954A1 (de) * 1997-05-14 1998-11-19 Steiner Christof Dr Verfahren und Anordnung zum Auslesen und Verarbeiten eines Strahlungsbildes
US20230164279A1 (en) * 2021-11-22 2023-05-25 J.Morita Manufacturing Corporation Reading apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55116340A (en) * 1979-02-28 1980-09-06 Fuji Photo Film Co Ltd Method and device for processing gradation of radiation picture
NL184298C (nl) * 1979-07-19 1989-06-01 Philips Nv Inrichting voor verschilbeeldbepaling.

Also Published As

Publication number Publication date
EP0089665A1 (de) 1983-09-28
EP0089665B2 (de) 1992-09-02
DE89665T1 (de) 1984-05-10
EP0089665B1 (de) 1986-10-08

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings