Dilation/erosion conversion circuit

Details Dilation/erosion conversion circuit Dilation/erosion conversion circuit

1989-02-02

1990-12-25

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 8, 382 49, 382 55, 382 27, G06K 936

Patent

active

049809237

ABSTRACT:
A circuit for processing a dilation conversion and erosion conversion of a digital image data to extract the feature of the image. A range N.times.N of the image data is processed by a simple circuit construction which a horizontal row extraction circuit holding N data and a conversion stage for converting N data are disposed in a crisscross arrangement.

REFERENCES:
patent: 4395699 (1983-07-01), Sternberg
patent: 4477926 (1984-10-01), Linger et al.
patent: 4481664 (1984-11-01), Linger et al.
patent: 4641356 (1987-02-01), Sternberg
patent: 4665551 (1987-05-01), Sternberg et al.

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