Impulse noise reduction method and circuit

Details Impulse noise reduction method and circuit Impulse noise reduction method and circuit

1992-06-02

1994-02-08

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

358340, H04N 5213

Patent

active

052852776

ABSTRACT:
An image signal processing system such as a television, a video tape recorder, a video disk player, a digital camera and the like, more particularly to an impulse noise reduction method and circuit which can reduce impulse noise component effectively in the image signal without damage of the original input image signal by using the noise characteristic in which has no vertical correlation and of which frequency component has 2 MHz or more in a horizontal direction at least.

REFERENCES:
patent: 4398210 (1983-08-01), Liu et al.
patent: 4885639 (1989-12-01), Nakata et al.
patent: 4918528 (1990-04-01), Oohashi
patent: 4984068 (1991-01-01), Sugiyama et al.

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