Hardware efficient interpolation filter

Details Hardware efficient interpolation filter Hardware efficient interpolation filter

1995-06-29

1997-12-02

Ngo, Chuong D.

Boots, shoes, and leggings

3647241, G06F 738, G06F 1717

Patent

active

056943458

ABSTRACT:
An interpolation filter includes a subtractor, a weighting circuit and an adder, wherein the subtractor is conditioned to form differences of adjacent original samples, and the weighting circuit weights the differences with a predetermined value. The adder is arranged to a) pass an original sample; b) add a weighted difference to the original sample; and c) successively add the weighted difference to the previously generated sample to form successive samples.

REFERENCES:
patent: 4313173 (1982-01-01), Candy et al.
patent: 4719833 (1988-01-01), Katoh et al.
patent: 5111727 (1992-05-01), Rossum
patent: 5117725 (1992-06-01), Takauji et al.
patent: 5177698 (1993-01-01), Parulski

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