Abstract

A new optical cellular continuous-logic array for gray-scale image processing is presented. The array involves two steps of multichannel neighborhood ranked-order operations and interimage threshold decomposition continuous-logic operation. Image processing transforms available from this array include gray-scale morphological transforms, stack–nonstack filters, and gray-scale hit-or-miss transforms. An area-coding technique is used to implement neighborhood operations in a correlation thresholding system. A similar one-channel grayscale-correlation and multithresholding system is used for interimage threshold decomposition continuous logic. Primary experimental results are given.

© 1993 Optical Society of America

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