_preprocess_input(image, selem=None, out=None, mask=None, out_dtype=None, pixel_size=1)
Input image.
The neighborhood expressed as a 2-D array of 1's and 0's.
If None, a new array is allocated.
Mask array that defines (>0) area of the image included in the local neighborhood. If None, the complete image is used (default).
Desired output data-type. Default is None, which means we cast output in input dtype.
Dimension of each pixel. Default value is 1.
The neighborhood expressed as a binary 2-D array.
Output array. The two first dimensions are the spatial ones, the third one is the pixel vector (length 1 by default).
Mask array that defines (>0) area of the image included in the local neighborhood.
Number of histogram bins.
Preprocess and verify input for filters.rank methods.
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