Multiplicative sieve signal processing

Details Multiplicative sieve signal processing Multiplicative sieve signal processing

1988-01-25

1990-11-06

Moore, David K.

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382 33, 36472401, 3647241, 364825, G06K 940

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active

049692038

ABSTRACT:
A masked monopolar sifting filter implemented by multiplying an input signal by a series of shifted nonuniform mask signals and selecting the minimum signal sample value from each resultant product. The intermediate signal thus produced is then again multiplied by the shifted mask signals and the maximum signal sample value from each product chosen to produce a filtered output signal. The filters are particularly useful for edge enhancing features of selected sizes in an image signal.

REFERENCES:
patent: 4082431 (1978-04-01), Ward
patent: 4282510 (1981-08-01), Southgate
patent: 4330775 (1982-05-01), Iwamoto et al.
patent: 4665551 (1987-05-01), Sternberg et al.
patent: 4672463 (1987-06-01), Tomohisa et al.
patent: 4736448 (1988-04-01), Umemura
patent: 4809348 (1989-02-01), Meyer et al.
Okada, T. et al., "New Filter Technology in Picture Processing", IEEE Trans. on Cons. Elec., vol. CE-28, No. 3, Aug. 1982.

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