xdem.filters

Filters to remove outliers and reduce noise in DEMs.

Functions

distance_filter(array, radius, outlier_threshold)	Filter out pixels whose value is distant more than a set threshold from the average value of all neighbor pixels within a given radius.
gaussian_filter_cv(array, sigma)	Apply a Gaussian filter to a raster that may contain NaNs, using OpenCV's implementation.
gaussian_filter_scipy(array, sigma)	Apply a Gaussian filter to a raster that may contain NaNs, using scipy's implementation.