Rank filter using neural newwork

Details Rank filter using neural newwork Rank filter using neural newwork

1990-07-09

1992-05-12

Fleming, Michael R.

Boots, shoes, and leggings

36472401, G06F 1531

Patent

active

051134845

ABSTRACT:
A rank filter is provided which can be used for improving an image signal degraded by noise, while at the same time maintaining edge information. The rank filter is implemented by using a neural network and obtains a high processing speed with a simple circuit arrangement, as compared to conventional rank filters, HPFs, LPFs and average filters. The rank filter using the concept of a neural network includes decoder devices, a comparison device and a counter.

REFERENCES:
patent: 4493093 (1985-01-01), Veillard
patent: 4866645 (1989-09-01), Lish
patent: 4868773 (1989-09-01), Coyle et al.
patent: 4972363 (1990-11-01), Nguyen et al.

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