Reduction of speckle noise in digital holography by combination of averaging several reconstructed images and modified nonlocal means filtering
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DOI: 10.1016/j.optcom.2018.05.004
Abstract: Abstract Although the speckle noise in hologram reconstructed image can be effectively suppressed by averaging multiple reconstructions with different speckle patterns, the approach usually needs a lot of the reconstructions and encounters an improvement limit.… read more here.
Keywords: averaging several; several reconstructed; speckle noise; reconstructed images ... See more keywords