.euclidean_linker_cpp   Return the group number for each localization.
.find_min_dists_cpp     For all points in matrix 1, return the distance
                        to and index of the nearest point in matrix 2.
.perform_grouping       Return the group number for each localization.
.perform_partitioning   Return the group number for each localization.
Bioi                    'Bioi' package
euclidean_linker        Return the group number for each localization.
find_blobs              Assign all neighboring pixels the same group
                        number.
find_min_dists          For all points in matrix 1, return the distance
                        to and index of the nearest point in matrix 2.
identify_thresholded_objects
                        Assign all neighboring pixels the same group
                        number.
