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HK146894A - An adaptive median filter system - Google Patents

An adaptive median filter system Download PDF

Info

Publication number
HK146894A
HK146894A HK146894A HK146894A HK146894A HK 146894 A HK146894 A HK 146894A HK 146894 A HK146894 A HK 146894A HK 146894 A HK146894 A HK 146894A HK 146894 A HK146894 A HK 146894A
Authority
HK
Hong Kong
Prior art keywords
median filter
adaptive median
filter system
samples
control signal
Prior art date
Application number
HK146894A
Other languages
English (en)
Inventor
Stanley Perlman Stuart
Eisenhandler Sanford
Wallace Lyons Paul
John Shumila Michael
Original Assignee
Rca Thomson Licensing Corporation
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 Rca Thomson Licensing Corporation filed Critical Rca Thomson Licensing Corporation
Publication of HK146894A publication Critical patent/HK146894A/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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20012—Locally adaptive
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • G06T2207/20032—Median filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Picture Signal Circuits (AREA)
  • Noise Elimination (AREA)
HK146894A 1986-03-21 1994-12-22 An adaptive median filter system HK146894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/842,644 US4682230A (en) 1986-03-21 1986-03-21 Adaptive median filter system

Publications (1)

Publication Number Publication Date
HK146894A true HK146894A (en) 1994-12-30

Family

ID=25287894

Family Applications (1)

Application Number Title Priority Date Filing Date
HK146894A HK146894A (en) 1986-03-21 1994-12-22 An adaptive median filter system

Country Status (7)

Country Link
US (1) US4682230A (fr)
JP (1) JPH0783236B2 (fr)
DE (1) DE3709068C2 (fr)
FR (1) FR2596221B1 (fr)
GB (1) GB2188511B (fr)
HK (1) HK146894A (fr)
SG (1) SG25092G (fr)

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DE4405723A1 (de) * 1994-02-23 1995-08-24 Daimler Benz Ag Verfahren zur Geräuschreduktion eines gestörten Sprachsignals
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US5995163A (en) * 1996-09-30 1999-11-30 Photobit Corporation Median filter with embedded analog to digital converter
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US6958783B2 (en) * 2002-07-16 2005-10-25 Broadcom Corporation Adaptive non-linear noise reduction techniques
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US7617270B2 (en) * 2002-10-07 2009-11-10 Nikitin Alexei V Method and apparatus for adaptive real-time signal conditioning, processing, analysis, quantification, comparison, and control
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Also Published As

Publication number Publication date
US4682230A (en) 1987-07-21
DE3709068C2 (de) 1995-10-12
FR2596221B1 (fr) 1990-12-21
GB2188511B (en) 1989-11-29
FR2596221A1 (fr) 1987-09-25
DE3709068A1 (de) 1987-09-24
JPS62231509A (ja) 1987-10-12
SG25092G (en) 1992-05-15
GB8706706D0 (en) 1987-04-23
GB2188511A (en) 1987-09-30
JPH0783236B2 (ja) 1995-09-06

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Effective date: 20070319