Table 1 Most frequently used digital filtering methods and the corresponding references

From: Strategies for reducing speckle noise in digital holography

Filters

Refs.

Median

120

Wiener

120

Lee

37,121

Frost (adaptive Gaussian)

59

Wavelet

122–131

Non-local (NL) means

132–135

Block matching 3D (BM3D)

136–138

2D windowed Fourier transform (WFT2D)

139–144

Anisotropic diffusion

145,146

  1. See Supplementary Information file for details about the listed methods
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