torchbp.ops.speckle_filter module

torchbp.ops.speckle_filter.lee_filter(img, wx, wy, cu)[source]

Lee filter for speckle noise reduction.

Parameters:

  • img (Tensor) – Complex or real SAR image.

  • wx (int) – Window size in the first dimension.

  • wy (int) – Window size in the second dimension.

  • cu (float) – Coefficient of variance of the noise-free image.

Returns:

img – Filtered input image.

Return type:

Tensor