The USC Andrew and Erna Viterbi School of Engineering USC Signal and Image Processing Institute USC Ming Hsieh Department of Electrical Engineering University of Southern California

Technical Report USC-SIPI-129

“On the Hardware Requirement for 2-D Image Convolution in Electro-Optical Systems”

by M. Eshaghian, D. K. Panda, and V. K. Prasanna Kumar

August 1988

In this paper, we study the hardware requirement for 2-D image convolution on an electro-optical model. We identify the basic components of an Optical model of parallel computation using optical interconnects and their relationship with well known VLSI grid model from a computational perspective. We show a lower bound of W(nw) on the volume requirement of any electro-optical chip for 2-D image convolution using a w x w window and a n x n image. This bound also applies to the area requirement of a VLSI chip. Designs available in the literature for computing the 2-D image convolution are compared with respect to their hardware requirement.

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