Method and an apparatus for reducing noise of the pulsive type i

Details Method and an apparatus for reducing noise of the pulsive type i Method and an apparatus for reducing noise of the pulsive type i

1990-12-20

1993-03-23

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 37, H04N 5213

Patent

active

051969351

ABSTRACT:
The invention relates to a method for reducing noise of the pulsive type in digital video receiver sets. The method consists of picking up a noise-affected sample of a video signal and replacing it with a weighted average of samples located in the contour thereof; this allows the noise component to be fittered out with a lower load, in terms of circuit complexity, on the TV set.

REFERENCES:
patent: 4498104 (1985-02-01), Schulz
patent: 4517600 (1985-05-01), Reitmeier
patent: 4605966 (1986-08-01), Collins
patent: 4675735 (1987-06-01), Wilkinson et al.
patent: 4876595 (1989-10-01), Veldhuis
patent: 5027209 (1991-06-01), Nishimura et al.
"Worldwide National Television and Electricity Supply Standards", Image Technology, Feb. 1989, pp. 74, 75.

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