Object reconstruction from noisy holograms

Gonhsin Liu

doi:10.1117/12.55555

1 January 1990 Object reconstruction from noisy holograms

Gonhsin Liu

Author Affiliations +

Optical Engineering, Vol. 29, Issue 1, (January 1990). https://doi.org/10.1117/12.55555

Abstract

The inappropriate processing and digitization of an optical hologram to become a digital hologram can be modeled by additive noise superimposed on the hologram and followed by a clipping operator. Direct reconstruction of this noisy digital hologram will usually yield unsatisfactory results because the noise will be the dominating term on the reconstruction plane. The constrained iterative twin image elimination algorithm for an in-line Fresnel hologram is modified by incorporating the noise constraint into the hologram constraint domain to estimate the additive noise function while eliminating the twin image. The result of the object reconstruction is shown to be improved.

Citation Download Citation

Gonhsin Liu "Object reconstruction from noisy holograms," Optical Engineering 29(1), (1 January 1990). https://doi.org/10.1117/12.55555

Published: 1 January 1990

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