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- W2531051294 abstract "Abstract It is well-known that bandpass filtering will lead to edge extraction in image processing. However, the difference between single- and double-sided bandpass filtering has never been compared and investigated in the literature. We investigate the difference between single- and double-sided bandpass spatial filtering in a 4-f coherent optical image processing system. We find that single-sided filtering can approximate the operation of a first-order derivative, while double-sided filtering gives a second-order derivative. Simulations and optical experiments confirm our findings." @default.
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- W2531051294 date "2017-02-01" @default.
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- W2531051294 title "On the difference between single- and double-sided bandpass filtering of spatial frequencies" @default.
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- W2531051294 doi "https://doi.org/10.1016/j.optcom.2016.10.010" @default.
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