cupyx.scipy.ndimage.sum_labels#

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.

Parameters:

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.

Returns:

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

Return type:

sum (cupy.ndarray)