Discrimination of an edge portion of an image from a screen dot

Details Discrimination of an edge portion of an image from a screen dot Discrimination of an edge portion of an image from a screen dot

1995-05-22

1996-04-30

Boudreau, Leo

Image analysis

Image enhancement or restoration

Edge or contour enhancement

358447, 358455, G06K 936

Patent

active

055132804

ABSTRACT:
There is provided an image processing apparatus comprising an image signal generator having a first processing unit for processing the image signal in a first mode and generating a first processed signal, a discriminator for discriminating characteristics of the image signal, the discriminator having a selector for selecting the first processed signal according to a discrimination result; and a pulse width modulated signal generator for processing the first processed signal from the selector by using a pattern signal and for generating a pulse width modulated signal.

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