Computes the smoothing of an image by convolution with a Gaussian kernel. This node uses two ITK filters depending on the selected algorithm: SmoothingRecursive or Discrete. If any dimension of the input matrix is <4, the Discrete algorithm must used.
Type: Image4DFloat, Required, Single
Sets the algorithm to use for the filter.
Values: SmoothingRecursive, Discrete
Set Sigma value. Sigma is measured in the units of image spacing.
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