Segementation contours

Visualize segmentation contours on original grayscale image.

../../../_images/plot_boundaries_1.png

Python source code: plot_boundaries.py

from skimage import data, segmentation

# scikit-image has changed its API

try:

    from skimage import filters

except ImportError:

    from skimage import filter as filters

import matplotlib.pyplot as plt

import numpy as np



coins = data.coins()

mask = coins > filters.threshold_otsu(coins)

clean_border = segmentation.clear_border(mask).astype(np.int)



coins_edges = segmentation.mark_boundaries(coins, clean_border)



plt.figure(figsize=(8, 3.5))

plt.subplot(121)

plt.imshow(clean_border, cmap='gray')

plt.axis('off')

plt.subplot(122)

plt.imshow(coins_edges)

plt.axis('off')



plt.tight_layout()

plt.show()

Total running time of the example: 0.20 seconds ( 0 minutes 0.20 seconds)