pop_percentile
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skimage.filters.rank.pop_percentile(image, selem, out=None, mask=None, shift_x=False, shift_y=False, p0=0, p1=1)
[source] -
Return the local number (population) of pixels.
The number of pixels is defined as the number of pixels which are included in the structuring element and the mask.
Only greyvalues between percentiles [p0, p1] are considered in the filter.
Parameters: image : 2-D array (uint8, uint16)
Input image.
selem : 2-D array
The neighborhood expressed as a 2-D array of 1’s and 0’s.
out : 2-D array (same dtype as input)
If None, a new array is allocated.
mask : ndarray
Mask array that defines (>0) area of the image included in the local neighborhood. If None, the complete image is used (default).
shift_x, shift_y : int
Offset added to the structuring element center point. Shift is bounded to the structuring element sizes (center must be inside the given structuring element).
p0, p1 : float in [0, ..., 1]
Define the [p0, p1] percentile interval to be considered for computing the value.
Returns: out : 2-D array (same dtype as input image)
Output image.
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