xxling

  auto dist = [n, &dists](size_t i, size_t j) { return dists[i * n + j]; } // dists is pre-calculated n x n distances matrix
  auto index = seq(n); //[0,...,n-1]

  std::vector<size_t> rho(n);
  for (size_t i=0; i<n; ++i) {
      rho[i] = std::count_if(index.begin(), index.end(), [&](size_t j) { return dist(i,j) < dist_cutoff; });
  }

  std::vector<D> delta(n);
  for (size_t i=0; i<n; ++i) {

xxling

#!/usr/bin/python

import glob
import os
import sys

from PIL import Image

EXTS = 'jpg', 'jpeg', 'JPG', 'JPEG', 'gif', 'GIF', 'png', 'PNG'