Single or Multi-temporal speckle filter?

for those wondering what a multi-temporal speckle filter is capable of: I have made 2 comparisons for a stack of 15 S1 images and found the results quite astonishing:

  1. Raw Image
  2. Single Lee Sigma (1 source band, Lee Sigma, 1 Look, Window 7x7, Sigma 0.9, Target 3x3)
  3. Multi-temporal GammaMap (15 source bands, size 3x3)
  4. Multi-temporal Lee Sigma (15 source bands, Lee Sigma, 1 Look, Window 7x7, Sigma 0.9, Target 3x3)

Airport near the city:

Another area with smaller houses:

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