Adaptive video scaler

Television – Image signal processing circuitry specific to television – Special effects

Reexamination Certificate

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Details

C348S448000, C348S458000, C348S714000, C348S716000, C345S660000, C345S668000, C358S451000, C382S307000

Reexamination Certificate

active

06937291

ABSTRACT:
An adaptive filter is adjustable for performing scaling operations. During a scaling operation, the adaptive filter stores scaled data in a memory such that more data samples may be retrieved during a subsequent scaling operation. The size of a finite impulse response filter used during the subsequent scaling operation may be adjusted to access the additional data samples.

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