Compute field of diffusion tensors for edge-preserving smoothing.
diffusion_tensors(
  im,
  sharpness = 0.7,
  anisotropy = 0.6,
  alpha = 0.6,
  sigma = 1.1,
  is_sqrt = FALSE
)an image
Sharpness
Anisotropy
Standard deviation of the gradient blur.
Standard deviation of the structure tensor blur.
Tells if the square root of the tensor field is computed instead.