cupyx.scipy.ndimage.sum_labels(input, labels=None, index=None)[source]#
Calculates the sum of the values of an n-D image array, optionally

at specified sub-regions.

  • input (cupy.ndarray) – Nd-image data to process.

  • labels (cupy.ndarray or None) – Labels defining sub-regions in input. If not None, must be same shape as input.

  • index (cupy.ndarray or None) – labels to include in output. If None (default), all values where labels is non-zero are used.


sum of values, for each sub-region if labels and index are specified.

Return type:

sum (cupy.ndarray)