Image from the Sentinel-1's SLC product

[ABraun]

@mast

These days I used Multi Temporal Spekle Filter before Terrain Correction to improve the image quality but I don’t see differences.

How could I improve these images, please?

you need 10 images or more to see an effect of multi-temporal filtering.
Please see here:

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: Raw Image Single Lee Sigma (1 source band, Lee Sigma, 1 Look, Window 7x7, Sigma 0.9, Target 3x3) Multi-temporal GammaMap (15 source bands, size 3x3) Multi-temporal Lee Sigma (15 source bands, Lee Sigma, 1 Look, Window 7x7, Sigma 0.9, Target 3x3) Airport near the city: [image] Another area with smaller houses: [image]