Method of eliminating interference signals from video signals

Details Method of eliminating interference signals from video signals Method of eliminating interference signals from video signals

1997-03-03

1999-03-23

Peng, John K.

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

348607, 348618, 348619, H04N 5213, H04N 521

Patent

active

058867511

ABSTRACT:
Method of eliminating interference signals from video signals by means of motion-adaptive transversal filtering, in which the motion is detected in the two-dimensional plane for the purpose of S/N ratio improvement. To this end, the forward and backward-motion signals are combined to a common motion signal and transformed into a polar coordinate signal from which the coefficients for controlling the transversal filter are derived.

REFERENCES:
patent: 4485403 (1984-11-01), Illetschko
patent: 4502106 (1985-02-01), Glennon
patent: 4609983 (1986-09-01), Braun
patent: 4788493 (1988-11-01), Liptak
patent: 5404178 (1995-04-01), Kondo et al.
patent: 5412436 (1995-05-01), Christopher
patent: 5519453 (1996-05-01), Wischermann

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