Phase-only Fourier hologram is recorded optically and applied as matched phase-only spatial filter to the discrimination of characters. The comparison between this filter and the overexposed classical matched spatial filter is presented.
Phase-Only Fourier Hologram As An Optical Matched Spatial Filter
Holography Applications ; 1986 ; Beijung,China
Proc. SPIE ; 0673
1988-01-15
Conference paper
Electronic Resource
English
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