FR2296329A1 - Procede et dispositif pour l'amelioration de l'evaluation des images comportant des details difficiles a identifier, et notamment des images radioscopiques et radiographiques - Google Patents

Procede et dispositif pour l'amelioration de l'evaluation des images comportant des details difficiles a identifier, et notamment des images radioscopiques et radiographiques

Info

Publication number
FR2296329A1
FR2296329A1 FR7442522A FR7442522A FR2296329A1 FR 2296329 A1 FR2296329 A1 FR 2296329A1 FR 7442522 A FR7442522 A FR 7442522A FR 7442522 A FR7442522 A FR 7442522A FR 2296329 A1 FR2296329 A1 FR 2296329A1
Authority
FR
France
Prior art keywords
images
radioscopic
evaluation
identify
improving
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
FR7442522A
Other languages
English (en)
Other versions
FR2296329B1 (fr
Inventor
Marta Fenyo
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.)
Medicor Muvek
Original Assignee
Medicor Muvek
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 Medicor Muvek filed Critical Medicor Muvek
Publication of FR2296329A1 publication Critical patent/FR2296329A1/fr
Application granted granted Critical
Publication of FR2296329B1 publication Critical patent/FR2296329B1/fr
Granted 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
    • H05G1/64—Circuit arrangements for X-ray apparatus incorporating image intensifiers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Picture Signal Circuits (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Closed-Circuit Television Systems (AREA)
FR7442522A 1974-11-09 1974-12-23 Procede et dispositif pour l'amelioration de l'evaluation des images comportant des details difficiles a identifier, et notamment des images radioscopiques et radiographiques Granted FR2296329A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48596/74A GB1486467A (en) 1974-11-09 1974-11-09 Circuit arrangement for evaluation of pictures

Publications (2)

Publication Number Publication Date
FR2296329A1 true FR2296329A1 (fr) 1976-07-23
FR2296329B1 FR2296329B1 (fr) 1980-03-28

Family

ID=10449186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442522A Granted FR2296329A1 (fr) 1974-11-09 1974-12-23 Procede et dispositif pour l'amelioration de l'evaluation des images comportant des details difficiles a identifier, et notamment des images radioscopiques et radiographiques

Country Status (7)

Country Link
US (1) US3969571A (fr)
AT (1) AT340542B (fr)
CH (1) CH580897A5 (fr)
DE (1) DE2431272A1 (fr)
FR (1) FR2296329A1 (fr)
GB (1) GB1486467A (fr)
NL (1) NL7416700A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0116941A1 (fr) * 1983-02-18 1984-08-29 Kabushiki Kaisha Toshiba Appareil diagnostique à rayons X

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079417A (en) * 1976-07-06 1978-03-14 General Electric Company Digital video window control
US4261040A (en) * 1979-06-01 1981-04-07 The Boeing Company M/S 7E-25 Method and apparatus for the analysis of scanned data
JPS6139573Y2 (fr) * 1981-06-19 1986-11-13
US4598368A (en) * 1982-12-27 1986-07-01 Tokyo Shibaura Denki Kabushiki Kaisha Superposed image display device
DE3517737A1 (de) * 1985-05-17 1986-11-27 Kernforschungsanlage Jülich GmbH, 5170 Jülich Verfahren und schaltungsanordnung zur fernsehtechnischen aufnahme und wiedergabe statischer oder bewegter objekte
US4817622A (en) * 1986-07-22 1989-04-04 Carl Pennypacker Infrared imager for viewing subcutaneous location of vascular structures and method of use

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030442A (en) * 1958-03-06 1962-04-17 Bbc Brown Boveri & Cie Flaw detection apparatus including means for emphasizing video signal intensifying variations
AT256262B (de) * 1964-07-29 1967-08-10 Philips Nv Verfahren und Anordnung zur Wiedergabe eines Radiogramms, bei welchem die Punkte einer bestimmten wählbaren Strahlungsintensität hervorgehoben werden
US3535443A (en) * 1968-07-22 1970-10-20 Gen Electric X-ray image viewing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0116941A1 (fr) * 1983-02-18 1984-08-29 Kabushiki Kaisha Toshiba Appareil diagnostique à rayons X
US4599742A (en) * 1983-02-18 1986-07-08 Tokyo Shibaura Denki Kabushiki Kaisha X-ray diagnostic apparatus

Also Published As

Publication number Publication date
NL7416700A (nl) 1976-06-22
GB1486467A (en) 1977-09-21
DE2431272A1 (de) 1976-01-08
CH580897A5 (fr) 1976-10-15
US3969571A (en) 1976-07-13
FR2296329B1 (fr) 1980-03-28
ATA888474A (de) 1977-04-15
AT340542B (de) 1977-12-27

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Legal Events

Date Code Title Description
ST Notification of lapse