Optoelectronic morphological processors

Tomasz Szoplik

doi:10.1117/12.2316143

1 September 1996 Optoelectronic morphological processors

Tomasz Szoplik

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778CM (1996) https://doi.org/10.1117/12.2316143
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

Nonlinear rank order and mathematical morphology techniques of digital image processing can be implemented in optical-digital processors. Threshold decomposition of gray scale images, stacking property of rank order filters, commutability of rank order operations with thresholding, and optical-digital method of local histogram calculation constitute basic concepts due to which optoelectronic implementations of rank order and morphological filters is possible. In those hybrid processors, the convolutions are performed in inherently parallel optical correlators while arithmetic and logic operations are made digitally. Sequential morphological filters and rank order algorithms are constructed by looping of intermediate results, what is possible on different data flow stages. Recent configurations of optical convolvers are recalled and future prospects of hybrid morphological processors are discussed.

Citation Download Citation

Tomasz Szoplik "Optoelectronic morphological processors", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778CM (1 September 1996); https://doi.org/10.1117/12.2316143

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