Smoothing

anisotrope_diff		Smooth an image by edge-preserving anisotropic diffusion.
anisotropic_diffusion		Perform an anisotropic diffusion of an image.
binomial_filter		Smooth an image using the binomial filter.
eliminate_min_max		Smooth an image in the spatial domain to suppress noise.
eliminate_sp		Replace values outside of thresholds with average value.
fill_interlace		Interpolate 2 video half images.
gauss_image		Smooth using discrete gauss functions.
info_smooth		Information on smoothing filter smooth_image.
isotropic_diffusion		Perform an isotropic diffusion of an image.
mean_image		Smooth by averaging.
mean_n		Average gray values over several channels.
mean_sp		Suppress salt and pepper noise.
median_image		Median filtering with different rank masks.
median_separate		Separated median filtering with rectangle masks.
median_weighted		Weighted median filtering with different rank masks.
midrange_image		Calculate the average of maximum and minimum inside any mask.
rank_image		Smooth an image with an arbitrary rank mask.
rank_n		Return gray values with given rank from multiple channels.
sigma_image		Non-linear smoothing with the sigma filter.
smooth_image		Smooth an image using recursive filters.
trimmed_mean		Smooth an image with an arbitrary rank mask.