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Optical correlation based on the fractional Fourier transform |
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| Authors: | Granieri S Arizaga R Sicre E E |
| Abstract: | Some properties of optical correlation based on the fractional Fourier transform are analyzed. For a particular set of fractional orders, a filter is obtained that becomes insensitive to scale variations of the object. An optical configuration is also proposed to carry out the fractional correlation in a flexible way, and some experimental results are shown. |
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