Real time optical correlator with a Bil2SiO20 crystal |
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| Authors: | Katsuyuki Okada Koji Ito Toshio Honda Jumpei Tsujiuchi |
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| Affiliation: | 1. Department of Image Sbience, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba, 263, Japan
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| Abstract: | In this paper we propose a new design of a joint transform correlator in which two transform lenses are used to minimize the influence of their aberration, and a magnification lens is used to make the optics compact. Experimental results show the correlator can be used to recognize characters and/or halL tone images in real time. |
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