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Optical Engineering

Multiple-input joint-transform correlator for wavelet feature extraction
Author(s): Samuel Peter Kozaitis; Mark A. Getbehead
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Paper Abstract

We describe a joint transform correlator (JTC) that uses multiple input images encoded in the spatial domain for multiwavelet feature extraction. We extend the theory of a JTC to multiple inputs, which enables various combinations of cross-correlations between input images to be performed. Furthermore, we provide experimental results for four inputs with an optically addressed spatial light modulator in the Fourier plane. In addition, it is possible that the space-bandwidth product for multiwavelet feature extraction can be made the same as for a two-input JTC.

Paper Details

Date Published: 1 April 1998
PDF: 7 pages
Opt. Eng. 37(4) doi: 10.1117/1.602036
Published in: Optical Engineering Volume 37, Issue 4
Show Author Affiliations
Samuel Peter Kozaitis, Florida Institute of Technology (United States)
Mark A. Getbehead, Rome Lab. (United States)

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