import cv2
import numpy as np
import sys
import matplotlib.pyplot as plt

im = cv2.imread(sys.argv[1], 0)  # dosyayi oku
plt.subplot(2, 2, 1)
plt.imshow(im, cmap="gray")

# inverse ikili esik degeri
_, im = cv2.threshold(im, 120, 255, cv2.THRESH_BINARY_INV)
plt.subplot(2, 2, 2)
plt.imshow(im, cmap="gray")

im = cv2.morphologyEx(im, cv2.MORPH_OPEN, np.ones([3, 3]))  # gurultuden kurtul
_, comp = cv2.connectedComponents(im)  # connected components analizi
plt.subplot(2, 2, 3)
plt.imshow(im, cmap="gray")

plt.subplot(2, 2, 4)
plt.imshow(comp, cmap="nipy_spectral")

plt.show()