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Gray-tone image processing by threshold superposition in an optical cellular-logic binary-image processor

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Abstract

A parallel architecture for gray-tone image processing is proposed that utilizes the concept of threshold sum–superposition into a cellular two-layer logic binary-image processor. Various processing functions constituted by gray-tone dilation, erosion, fuzzy-logic operations, and arithmetic operations are obtained. The optoelectronic implementation is illustrated.

© 1994 Optical Society of America

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