filter4d[intransitive] + adv.prep. (of people) to move slowly in a particular directionThe doors opened and people started filtering through. [intransitive] + adv.prep. (of information, news, etc.) to slowlygaussian_filter# .ndimage. gaussian_filter (input, sma, order = 0, output = None, mode = 'reflect', cval = 0.0, truncate = 4.0, *, radius = None, axes = None) [source] # Multidimensional