pysteps.utils.images.morph_opening

pysteps.utils.images.morph_opening(input_image, thr, n)

Filter out small scale noise on the image by applying a binary morphological opening, that is, erosion followed by dilation.

Parameters:

input_image : array_like

Array of shape (m, n) containing the input image.

thr : float

The threshold used to convert the image into a binary image.

n : int

The structuring element size [pixels].

Returns:

input_image : array_like

Array of shape (m,n) containing the filtered image.