match_histograms#

match_histograms(image_a, image_b, kernel_size=7)[source]#

Image normalization function.

This function performs histogram equalization to unify the appearance of an image pair.

Parameters:

  • image_a (numpy.ndarray) – A grayscale image.

  • image_b (numpy.ndarray) – A grayscale image.

  • kernel_size (int) – The size of the ellipse-shaped footprint.

Returns:

A normalized pair of images for performing registration.

Return type:

tuple