A Holographic Match Filtering Method With High Diffraction Efficiency

Guoguang Yang; Shaojun Fu; Yonggang Su

doi:10.1117/12.939123

15 January 1988 A Holographic Match Filtering Method With High Diffraction Efficiency

Guoguang Yang, Shaojun Fu, Yonggang Su

Proceedings Volume 0673, Holography Applications; (1988) https://doi.org/10.1117/12.939123
Event: Holography Applications, 1986, Beijing, China

Abstract

From physical analysis, we explained that the phase matching is more important than the amplitute in match filtering. Thus the amplitute of Fourier transform of object can be modified to reduce the dynamic range, while the phase information keeps unchanging. The holographic match filter was made by dichromatic gelatin. High efficiency correlation can be obtained by this method.

Citation Download Citation

Guoguang Yang, Shaojun Fu, and Yonggang Su "A Holographic Match Filtering Method With High Diffraction Efficiency", Proc. SPIE 0673, Holography Applications, (15 January 1988); https://doi.org/10.1117/12.939123

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