Ghost removal apparatus

Details Ghost removal apparatus Ghost removal apparatus

1997-06-20

1999-10-26

Lee, Michael H.

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

348607, H04N 521

Patent

active

059737522

ABSTRACT:
A ghost removal apparatus to prevent visual emphasis of image noises when removing ghosts. A transparent characteristic of an image signal is changed with respect to frequency characteristics of ghost removing filters at a frequency of at least 4.2 MHz depending on amounts of noises included in the image signal, and an equalizing characteristic of the image signal is changed with respect to the frequency characteristics of the ghost removing filters at a frequency of at most 4.2 MHz depending on the amounts of the noises.

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