JPS6434331A - X-ray imaging apparatus - Google Patents

X-ray imaging apparatus

Info

Publication number
JPS6434331A
JPS6434331A JP62193248A JP19324887A JPS6434331A JP S6434331 A JPS6434331 A JP S6434331A JP 62193248 A JP62193248 A JP 62193248A JP 19324887 A JP19324887 A JP 19324887A JP S6434331 A JPS6434331 A JP S6434331A
Authority
JP
Japan
Prior art keywords
image
value holding
images
converter
imaging apparatus
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.)
Granted
Application number
JP62193248A
Other languages
English (en)
Other versions
JPH0683397B2 (ja
Inventor
Masumi Kawai
Hiroshi Sawada
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.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
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 Shimadzu Corp filed Critical Shimadzu Corp
Priority to JP62193248A priority Critical patent/JPH0683397B2/ja
Priority to US07/286,825 priority patent/US4941169A/en
Publication of JPS6434331A publication Critical patent/JPS6434331A/ja
Publication of JPH0683397B2 publication Critical patent/JPH0683397B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP62193248A 1987-07-31 1987-07-31 Ｄｓａ装置 Expired - Fee Related JPH0683397B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62193248A JPH0683397B2 (ja) 1987-07-31 1987-07-31 Ｄｓａ装置
US07/286,825 US4941169A (en) 1987-07-31 1988-12-20 X-ray photographic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62193248A JPH0683397B2 (ja) 1987-07-31 1987-07-31 Ｄｓａ装置

Publications (2)

Publication Number Publication Date
JPS6434331A true JPS6434331A (en) 1989-02-03
JPH0683397B2 JPH0683397B2 (ja) 1994-10-19

Family

ID=16304797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62193248A Expired - Fee Related JPH0683397B2 (ja) 1987-07-31 1987-07-31 Ｄｓａ装置

Country Status (2)

Country Link
US (1) US4941169A (ja)
JP (1) JPH0683397B2 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091925A (en) * 1990-01-18 1992-02-25 Siemens Aktiengesellschaft X-ray diagnostics installation with spatial frequency filtering
US4995064A (en) * 1990-01-29 1991-02-19 Siemens Medical Systems, Inc. Continuously sweeping multiple-pass image acquisition system for peripheral angiography
FR2664153B1 (fr) * 1990-07-06 1992-09-11 Gen Electric Cgr Systeme de radiodiagnostic pour examen angiographique avec dispositif automatique de suivi d'embole.
DE4220282A1 (de) * 1992-06-20 1993-12-23 Philips Patentverwaltung Verfahren für die periphere Angiographie und Anordnung zur Durchführung des Verfahrens
US5278887A (en) * 1992-06-29 1994-01-11 Siemens Corporate Research, Inc. Apparatus and method for reducing X-ray dosage during a fluoroscopic procedure
DE102004059663A1 (de) * 2004-12-10 2006-06-29 Siemens Ag Verfahren zur Bildgebung mit einem Mehrzeilen-Computertomographen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142688A (ja) * 1983-12-29 1985-07-27 Shimadzu Corp デイジタルサブトラクシヨンシステム
JPS60194934A (ja) * 1984-03-19 1985-10-03 株式会社日立メデイコ Ｘ線血管像透視撮影装置
JPS6137229A (ja) * 1984-07-31 1986-02-22 株式会社島津製作所 Ｄ．ｓ．ａ．装置
JPS61252779A (ja) * 1985-04-30 1986-11-10 Shimadzu Corp Ｄｓａ装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8304397A (nl) * 1983-12-22 1985-07-16 Philips Nv Roentgenonderzoekapparaat met beeldsubstractie.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142688A (ja) * 1983-12-29 1985-07-27 Shimadzu Corp デイジタルサブトラクシヨンシステム
JPS60194934A (ja) * 1984-03-19 1985-10-03 株式会社日立メデイコ Ｘ線血管像透視撮影装置
JPS6137229A (ja) * 1984-07-31 1986-02-22 株式会社島津製作所 Ｄ．ｓ．ａ．装置
JPS61252779A (ja) * 1985-04-30 1986-11-10 Shimadzu Corp Ｄｓａ装置

Also Published As

Publication number Publication date
JPH0683397B2 (ja) 1994-10-19
US4941169A (en) 1990-07-10

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees