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- W2900093537 abstract "Effects of the spatial filter used in the reconstruction of off-axis digital holograms are investigated. Two kinds of Gaussian filters, multiplicative and cut-off filters, were explored and compared with an ideal band-pass filter of similar dimensions in the reconstruction of digital holograms through the use of the angular spectrum method. The multiplicative Gaussian filter multiplies a Gaussian function centered at the desired peak in the Fourier domain and the Gaussian cut-off filter removes signals greater than the corresponding value of a Gaussian function. It was shown that compared to using the ideal band-pass filter, the Gaussian multiplicative filter results to less artifacts and that the Gaussian cut-off filter results to better contrast in the reconstructed image." @default.
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- W2900093537 date "2015-06-03" @default.
- W2900093537 modified "2023-09-26" @default.
- W2900093537 title "Gaussian filters for off-axis digital holography via angular spectrum method" @default.
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