Ghost cancelling method and apparatus which perform a correlativ

Details Ghost cancelling method and apparatus which perform a correlativ Ghost cancelling method and apparatus which perform a correlativ

1992-12-03

1994-05-10

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

H04N 521

Patent

active

053113128

ABSTRACT:
There is provided a ghost cancelling method and apparatus in which a video signal is input to a transversal filter to generate a ghost correction signal and the ghost correction signal is mixed with the original video signal to automatically cancel a ghost. To improve the ghost cancelling speed, a correlative operation is performed between the video signal input and a ghost cancelling reference signal, to thereby determine an initial filter coefficient of the transversal filter.

REFERENCES:
patent: 4413282 (1983-11-01), Wargo
patent: 4864403 (1989-09-01), Chao et al.
patent: 4897727 (1990-01-01), Tanaka et al.
patent: 5025317 (1991-06-01), Koguchi et al.
patent: 5045947 (1991-09-01), Herman et al.

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