scipy.ndimage.interpolation.spline_filter1d(input, order=3, axis=-1, output=<type 'numpy.float64'>, output_type=None)

Calculates a one-dimensional spline filter along the given axis.

The lines of the array along the given axis are filtered by a spline filter. The order of the spline must be >= 2 and <= 5.

Parameters :

input : array_like

The input array.

order : int, optional

The order of the spline, default is 3.

axis : int, optional

The axis along which the spline filter is applied. Default is the last axis.

output : ndarray or dtype, optional

The array in which to place the output, or the dtype of the returned array. Default is numpy.float64.

output_type : dtype, optional

DEPRECATED, DO NOT USE. If used, a RuntimeError is raised.

Returns :

return_value : ndarray or None

The filtered input. If output is given as a parameter, None is returned.

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