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  1. Speckle fringes denoising by Nonlocal means.
  2. Wiener Teager–Kaiser energy method for phase derivative estimation: application to speckle interferometry
  3. Speckle noise reduction in digital speckle pattern interferometry
  4. Two-dimensional discrete wavelets transform for optical phase gradient extraction in interferometry shearing
  5. Optical phase determination
  6. Phase extraction using discrete wavelet transform