CA1010562A - Differential enhancement of periodically variable means - Google Patents

Differential enhancement of periodically variable means

Info

Publication number
CA1010562A
CA1010562A CA201,031A CA201031A CA1010562A CA 1010562 A CA1010562 A CA 1010562A CA 201031 A CA201031 A CA 201031A CA 1010562 A CA1010562 A CA 1010562A
Authority
CA
Canada
Prior art keywords
variable means
periodically variable
differential enhancement
enhancement
differential
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
CA201,031A
Inventor
Charles A. Mistretta
Michael G. Ort
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.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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 Wisconsin Alumni Research Foundation filed Critical Wisconsin Alumni Research Foundation
Application granted granted Critical
Publication of CA1010562A publication Critical patent/CA1010562A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays
    • H04N5/3205—Transforming X-rays using subtraction imaging techniques
CA201,031A 1973-06-14 1974-05-28 Differential enhancement of periodically variable means Expired CA1010562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US369824A US3894181A (en) 1973-06-14 1973-06-14 Differential enhancement of periodically variable images

Publications (1)

Publication Number Publication Date
CA1010562A true CA1010562A (en) 1977-05-17

Family

ID=23457085

Family Applications (1)

Application Number Title Priority Date Filing Date
CA201,031A Expired CA1010562A (en) 1973-06-14 1974-05-28 Differential enhancement of periodically variable means

Country Status (4)

Country Link
US (1) US3894181A (en)
CA (1) CA1010562A (en)
GB (1) GB1432088A (en)
NL (1) NL7407829A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505653A (en) * 1974-07-11 1978-03-30 Emi Ltd Radiography
JPS5161213A (en) * 1974-11-26 1976-05-27 Sony Corp
DE2537333C3 (en) * 1975-08-21 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Method for producing a cross-sectional image of the body from the absorption distribution of ionizing radiation according to the convolution method and device for carrying out the method
NL7600142A (en) * 1976-01-08 1977-07-12 Philips Nv METHOD AND DEVICE FOR ADJUSTING AN IMAGE AMPLIFIER CHAIN.
US4058832A (en) * 1976-03-05 1977-11-15 Picker Corporation Display for television imaging system
US4157572A (en) * 1977-09-12 1979-06-05 University Of Pittsburgh Superimposition of television images
US4263916A (en) * 1978-03-27 1981-04-28 University Of Southern California Image averaging for angiography by registration and combination of serial images
US4204226A (en) * 1978-05-16 1980-05-20 Wisconsin Alumni Research Foundation Real-time digital X-ray time interval difference imaging
US4204225A (en) * 1978-05-16 1980-05-20 Wisconsin Alumni Research Foundation Real-time digital X-ray subtraction imaging
JPS5552746A (en) * 1978-10-16 1980-04-17 Aloka Co Ltd Electronic scanning signal processor in ultrasoniccwave disgnosis device
US4335427A (en) * 1980-04-21 1982-06-15 Technicare Corporation Method of selecting a preferred difference image
DE3018129C1 (en) * 1980-05-12 1981-10-01 Siemens AG, 1000 Berlin und 8000 München X-ray diagnostic facility for creating subtraction images
NL8003354A (en) * 1980-06-09 1982-01-04 Philips Nv RADIATION EXAMINATION DEVICE WITH IMAGE SUBTRACTION.
US4355331A (en) * 1981-01-28 1982-10-19 General Electric Company X-ray image subtracting system
US4430749A (en) 1981-06-30 1984-02-07 Siemens Gammasonics, Inc. Medical imaging apparatus and method for furnishing difference images
US4450478A (en) * 1981-09-09 1984-05-22 Georgetown University Digital fluorographic method and system
JPS5940834A (en) * 1982-08-28 1984-03-06 株式会社東芝 Pulse x-ray diagnostic apparatus
US4626688A (en) 1982-11-26 1986-12-02 Barnes Gary T Split energy level radiation detection
US4511799A (en) * 1982-12-10 1985-04-16 American Science And Engineering, Inc. Dual energy imaging
JPS59180452A (en) * 1983-03-31 1984-10-13 Toshiba Corp Pulse x-ray diagnosis system
US4541106A (en) * 1984-02-22 1985-09-10 General Electric Company Dual energy rapid switching imaging system
US4945552A (en) * 1987-12-04 1990-07-31 Hitachi, Ltd. Imaging system for obtaining X-ray energy subtraction images
US6252932B1 (en) * 1997-07-22 2001-06-26 Fuji Photo Film Co., Ltd. Method and apparatus for acquiring image information for energy subtraction processing
US6226352B1 (en) * 1998-09-08 2001-05-01 Veritas Pharmaceuticals, Inc. System and method for radiographic imaging of tissue
WO2005120353A1 (en) * 2004-06-14 2005-12-22 Canon Kabushiki Kaisha Image processing device and method
JP5683116B2 (en) * 2010-01-27 2015-03-11 キヤノン株式会社 Radiation imaging apparatus, control method thereof, and program

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280253A (en) * 1962-08-08 1966-10-18 Univ Ohio State Res Found Image intensifying x-radiation inspection system with periodic beam scanning
US3582651A (en) * 1968-08-22 1971-06-01 Westinghouse Electric Corp X-ray image storage,reproduction and comparison system
US3641266A (en) * 1969-12-29 1972-02-08 Hughes Aircraft Co Surveillance and intrusion detecting system
US3679823A (en) * 1970-11-09 1972-07-25 Electronic Products Corp Differential time television system

Also Published As

Publication number Publication date
DE2428098A1 (en) 1975-01-09
DE2428098B2 (en) 1977-07-07
GB1432088A (en) 1976-04-14
US3894181A (en) 1975-07-08
NL7407829A (en) 1974-12-17

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