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Implementation of a Nonzero-order Joint Transform Correlator Using Interferometric Technique |
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| Authors: | Chau-Jern Cheng Han-Yen Tu |
| Institution: | (1) Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 106, Taiwan, R.O.C.;(2) Department of Electronic Engineering, St. John’s & St. Mary’s Institute of Technology, Taipei 25135, Taiwan, R.O.C. |
| Abstract: | The implementation of a nonzero-order joint transform correlator using the double port Mach-Zehnder interferometric technique is proposed and demonstrated. This approach provides on-line processing for directly removing the zero-order components of a joint power spectrum in one step and performs the nonzero-order optical correlation. Experimental results are presented and discussed. |
| Keywords: | joint transform correlator optical pattern recognition Mach-Zehnder interferometer |
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