input : array_like
size : tuple of ints
Shape of a flat and full structuring element used for the filter.
Optional if footprint or structure is provided.
footprint : array of ints, optional
Positions of non-infinite elements of a flat structuring element
used for the black tophat filter.
structure : array of ints, optional
Structuring element used for the filter. structure
may be a non-flat structuring element.
output : array, optional
An array used for storing the output of the filter may be provided.
mode : {‘reflect’, ‘constant’, ‘nearest’, ‘mirror’, ‘wrap’}, optional
The mode parameter determines how the array borders are
handled, where cval is the value when mode is equal to
‘constant’. Default is ‘reflect’
cval : scalar, optional
Value to fill past edges of input if mode is ‘constant’. Default
is 0.0.
origin : scalar, optional
The origin parameter controls the placement of the filter.
Default 0
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