ATE136185T1 - Vorrichtung und methode zur unterdrückung kurzzeitiger störimpulse in videosignalen - Google Patents

Vorrichtung und methode zur unterdrückung kurzzeitiger störimpulse in videosignalen

Info

Publication number
ATE136185T1
ATE136185T1 AT92900012T AT92900012T ATE136185T1 AT E136185 T1 ATE136185 T1 AT E136185T1 AT 92900012 T AT92900012 T AT 92900012T AT 92900012 T AT92900012 T AT 92900012T AT E136185 T1 ATE136185 T1 AT E136185T1
Authority
AT
Austria
Prior art keywords
frame
output
pct
noise
video signals
Prior art date
Application number
AT92900012T
Other languages
English (en)
Inventor
Richard Charles Thomson
Original Assignee
Gec Marconi Avionics Holdings
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 Gec Marconi Avionics Holdings filed Critical Gec Marconi Avionics Holdings
Application granted granted Critical
Publication of ATE136185T1 publication Critical patent/ATE136185T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • 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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Optical Communication System (AREA)
AT92900012T 1990-12-20 1991-12-03 Vorrichtung und methode zur unterdrückung kurzzeitiger störimpulse in videosignalen ATE136185T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9027589A GB2251152B (en) 1990-12-20 1990-12-20 Noise reduction processing means for video signals

Publications (1)

Publication Number Publication Date
ATE136185T1 true ATE136185T1 (de) 1996-04-15

Family

ID=10687286

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92900012T ATE136185T1 (de) 1990-12-20 1991-12-03 Vorrichtung und methode zur unterdrückung kurzzeitiger störimpulse in videosignalen

Country Status (8)

Country Link
US (1) US5296930A (de)
EP (1) EP0516778B1 (de)
JP (1) JPH05503829A (de)
AT (1) ATE136185T1 (de)
DE (1) DE69118368T2 (de)
GB (1) GB2251152B (de)
IL (1) IL100306A (de)
WO (1) WO1992011733A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3078085B2 (ja) * 1991-03-26 2000-08-21 オリンパス光学工業株式会社 画像処理装置および画像処理方法
FR2749466B1 (fr) * 1996-05-29 1998-10-09 Commissariat Energie Atomique Procede de traitement de signaux de pixels dans une camera a semi-conducteur, et camera a semi-conducteur mettant en oeuvre ce procede
FR2777728B1 (fr) * 1998-04-17 2000-06-23 Inst Nat De L Audiovisuel Procede de detection et de correction de defauts impulsifs apparaissant sur une image a traiter d'une sequence video numerique et un equipement pour la mise en oeuvre de ce procede
EP1381229B1 (de) * 2001-03-30 2008-12-10 National Institute of Advanced Industrial Science and Technology Echtzeit-omnifokus-mikroskopkamera
WO2005086984A2 (en) * 2004-03-15 2005-09-22 Sarnoff Corporation Method and apparatus for providing noise reduction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127623A (en) * 1978-03-27 1979-10-03 Nec Corp S/n improving device for television video signal
US4275418A (en) * 1978-09-14 1981-06-23 Micro Consultants Limited Video noise reduction systems
DE3121597C3 (de) * 1981-05-30 1993-09-30 Bosch Gmbh Robert System zur Verminderung des Rauschens in einem Fernseh-Bildsignal
GB2223141A (en) * 1988-09-21 1990-03-28 Sony Corp Slow motion video signal generator with motion compensated interpolation
US4987481A (en) * 1989-04-28 1991-01-22 Walker Digital Audio Video Systems, Inc. Video noise reduction system
DE4001552A1 (de) * 1990-01-20 1991-07-25 Broadcast Television Syst Schaltungsanordnung zur filterung von videosignalen

Also Published As

Publication number Publication date
GB2251152A (en) 1992-06-24
GB9027589D0 (en) 1991-02-13
WO1992011733A1 (en) 1992-07-09
GB2251152B (en) 1994-05-18
EP0516778A1 (de) 1992-12-09
DE69118368D1 (de) 1996-05-02
IL100306A0 (en) 1992-09-06
IL100306A (en) 1994-10-21
EP0516778B1 (de) 1996-03-27
JPH05503829A (ja) 1993-06-17
US5296930A (en) 1994-03-22
DE69118368T2 (de) 1996-09-05

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties