NL177963C - Apertuurcorrectieschakeling voor videosignalen. - Google Patents

Apertuurcorrectieschakeling voor videosignalen.

Info

Publication number
NL177963C
NL177963C NLAANVRAGE7118199,A NL7118199A NL177963C NL 177963 C NL177963 C NL 177963C NL 7118199 A NL7118199 A NL 7118199A NL 177963 C NL177963 C NL 177963C
Authority
NL
Netherlands
Prior art keywords
video signals
correction switch
aperture correction
aperture
switch
Prior art date
Application number
NLAANVRAGE7118199,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7118199A (ja
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of NL7118199A publication Critical patent/NL7118199A/xx
Application granted granted Critical
Publication of NL177963C publication Critical patent/NL177963C/xx

Links

Classifications

    • 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
    • H04N5/142—Edging; Contouring

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
NLAANVRAGE7118199,A 1971-10-26 1971-12-31 Apertuurcorrectieschakeling voor videosignalen. NL177963C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7138452A FR2157701B1 (ja) 1971-10-26 1971-10-26

Publications (2)

Publication Number Publication Date
NL7118199A NL7118199A (ja) 1973-05-01
NL177963C true NL177963C (nl) 1985-12-16

Family

ID=9084914

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7118199,A NL177963C (nl) 1971-10-26 1971-12-31 Apertuurcorrectieschakeling voor videosignalen.

Country Status (7)

Country Link
US (1) US3814847A (ja)
JP (2) JPS5623349B1 (ja)
DD (1) DD95033A5 (ja)
DE (1) DE2156673C3 (ja)
FR (1) FR2157701B1 (ja)
GB (1) GB1336079A (ja)
NL (1) NL177963C (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949162A (en) * 1974-02-25 1976-04-06 Actron Industries, Inc. Detector array fixed-pattern noise compensation
AT342685B (de) * 1975-04-24 1978-04-10 Siemens Ag Verfahren und schaltungsanordnung zur konturkorrektur des leuchtdichtesignals in einer fernsehkamera
US3996421A (en) * 1975-09-02 1976-12-07 Hughes Aircraft Company Television display utilizing local area brightness control
FR2406359A1 (fr) * 1977-10-11 1979-05-11 Thomson Csf Procede et dispositif de traitement d'image pour systeme de visualisation et systeme de visualisation comprenant un tel dispositif
US4142211A (en) * 1977-11-23 1979-02-27 Microtime, Inc. Bidimensional noise reduction system for television
US4215414A (en) * 1978-03-07 1980-07-29 Hughes Aircraft Company Pseudogaussian video output processing for digital display
WO1980000774A1 (en) * 1978-09-28 1980-04-17 Eastman Kodak Co Electronic image enhancement
JPS55130273A (en) * 1979-03-29 1980-10-08 Matsushita Electric Ind Co Ltd Picture processing method
US4249202A (en) * 1979-05-09 1981-02-03 Ampex Corporation Circuit for frequency selective coring of a video signal
JPS568140A (en) * 1979-07-02 1981-01-27 Dainippon Screen Mfg Co Ltd Emphasizing method of sharpness in image scanning and recording apparatus
US4463381A (en) * 1980-04-16 1984-07-31 Eastman Kodak Company Image processing apparatus including a partitioned low pass channel
FR2501941B1 (fr) * 1981-03-12 1986-04-11 Cit Alcatel Procede et dispositif d'accentuation des traits d'une image en noir et blanc reproduite a partir d'une transcription numerique
GB2126822B (en) * 1982-07-30 1986-08-06 British Broadcasting Corp Video signal processing
US4473845A (en) * 1983-01-24 1984-09-25 Eastman Kodak Company Method and apparatus for processing signals from a solid-state image sensor
US5216521A (en) * 1990-01-10 1993-06-01 Agfa-Gevaert Aktiengesellschaft Reproduction of photographic originals with scattered light correction
JP2811623B2 (ja) * 1992-07-27 1998-10-15 テクトロニクス・インコーポレイテッド 印刷装置
US6055340A (en) * 1997-02-28 2000-04-25 Fuji Photo Film Co., Ltd. Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness
US6925210B2 (en) * 2001-07-09 2005-08-02 Michael Herf Method for blurring images in real-time

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL278517A (ja) * 1961-05-16
GB1110319A (en) * 1965-05-03 1968-04-18 British Broadcasting Corp Apparatus for processing television signals
US3536826A (en) * 1966-10-05 1970-10-27 Columbia Broadcasting Syst Inc Vertical aperture correction apparatus
DE1537111B2 (de) * 1967-07-28 1974-05-16 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Verfahren und Anordnung zur Erhöhung der Konturenschärfe eines Fernsehbildes durch zweiseitige Aperturkorrektur des bildschreibenden Fernsehsignals

Also Published As

Publication number Publication date
JPS5623349B1 (ja) 1981-05-30
GB1336079A (en) 1973-11-07
NL7118199A (ja) 1973-05-01
DE2156673B2 (de) 1980-07-24
JPS4852132A (ja) 1973-07-21
US3814847A (en) 1974-06-04
FR2157701A1 (ja) 1973-06-08
DD95033A5 (ja) 1973-01-12
DE2156673A1 (de) 1973-05-03
FR2157701B1 (ja) 1974-05-31
DE2156673C3 (de) 1981-07-09

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee