Apparatus for digitally filtering a video signal, and...

Details Apparatus for digitally filtering a video signal, and... Apparatus for digitally filtering a video signal, and...

2011-07-12

2011-07-12

Kostak, Victor (Department: 2422)

Television

Image signal processing circuitry specific to television

Combined noise reduction and transition sharpening

C348S607000, C348S635000

Reexamination Certificate

active

07978268

ABSTRACT:
A method for digitally filtering a video signal comprises: converting the video signal into a plurality of sampled values; determining whether distribution of at least one portion of the sampled values belongs to one of a plurality of specific types according to the sampled values; and generating a plurality of output values according to a correction operation corresponding to the one of the specific types.

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