SYMBOL INDEX (16 symbols across 4 files)

FILE: disjoint_set.py
  class universe (line 5) | class universe:
    method __init__ (line 6) | def __init__(self, n_elements):
    method size (line 14) | def size(self, x):
    method num_sets (line 17) | def num_sets(self):
    method find (line 20) | def find(self, x):
    method join (line 27) | def join(self, x, y):

FILE: filter.py
  function smooth (line 11) | def smooth(src, sigma):
  function make_fgauss (line 19) | def make_fgauss(sigma):
  function normalize (line 29) | def normalize(mask):
  function convolve_even (line 36) | def convolve_even(src, mask):

FILE: main.py
  function segment (line 21) | def segment(in_image, sigma, k, min_size):

FILE: segment_graph.py
  function segment_graph (line 20) | def segment_graph(num_vertices, num_edges, edges, c):
  function get_threshold (line 48) | def get_threshold(size, c):
  function square (line 53) | def square(value):
  function random_rgb (line 58) | def random_rgb():
  function diff (line 67) | def diff(red_band, green_band, blue_band, x1, y1, x2, y2):