Image scaling and sample rate conversion by interpolation...

Details Image scaling and sample rate conversion by interpolation... Image scaling and sample rate conversion by interpolation...

2005-10-18

2005-10-18

Kostak, Victor R. (Department: 2614)

Television

Format conversion

C348S581000

Reexamination Certificate

active

06956617

ABSTRACT:
A low-order polyphase interpolation filter, such as for decoding video and image signals, employs interpolation to facilitate sample rate conversion from a first rate to a second rate, which can be greater or less than the sample rate of the input signal. The interpolation applies interpolation coefficients, which are non-linear with respect to an associated positioning vector, to a set of input samples to provide desired scaling and/or conversion of the input sample into the desired output sample.

REFERENCES:
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patent: 4868771 (1989-09-01), Quick et al.
patent: 5574572 (1996-11-01), Malinowski et al.
patent: 5619270 (1997-04-01), Demmer
patent: 5923712 (1999-07-01), Leyendecker et al.
patent: 6259389 (2001-07-01), McGrath

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