Real-time optical image differentiation by degenerate four-wave mixing |
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Authors: | Y. H. Ja |
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Affiliation: | (1) Telecom Australia, Research Laboratories, Box 249, 3168 Clayton North, VIC, Australia |
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Abstract: | Simple methods for performing real-time first-order image differentiation and quasi-differentiation, using degenerate four-wave mixing with photorefractive crystals, are described. A comparison is made between the methods for realizing image differentiation and image edge enhancement. |
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Keywords: | 42.65F 78.20 |
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