Bidimensional noise reduction system for television

Details Bidimensional noise reduction system for television Bidimensional noise reduction system for television

1977-11-23

1979-02-27

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358162, 358 36, H04N 521, H04N 9535

Patent

active

041422112

ABSTRACT:
A bidimensional noise reduction system for processing a television video signal includes a vertical dimension noise reduction system having a first adjustable threshold coring circuit and a horizontal noise reduction system having a second adjustable threshold coring circuit.

REFERENCES:
patent: 2817715 (1957-12-01), Blake
patent: 3117278 (1964-01-01), Johnson
patent: 3286024 (1966-11-01), Melchior
patent: 3715477 (1973-02-01), Olson
patent: 3769611 (1973-10-01), Scaggs
patent: 3814847 (1974-06-01), Longuet
patent: 3828280 (1974-08-01), Dolby
patent: 3846719 (1974-11-01), Dolby
patent: 3903485 (1975-09-01), Dolby

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