filter4dTable-top filters can remove contaminants from tap water – but are they really necessary, and could they cause unintentional harm? If she can help it, Shima Chin-Seegaussian_filter# .ndimage. gaussian_filter (input, sma, order = 0, output = None, mode = 'reflect', cval = 0.0, truncate = 4.0, *, radius = None, axes = None) [source] # Multidimensional