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  2. Artificial Intelligence
  3. Digital Image Analysis
  4. Morphological Operations: Opening
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Morphological Operations: Opening

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  • rahulkumeriya
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    import numpy as np
import matplotlib.pyplot as plt
from skimage.io import imread, imshow
from skimage.draw import disk
from skimage.morphology import (erosion, dilation, closing, opening,
                                area_closing, area_opening)
from skimage.color import rgb2gray

a = np.array([
    [0,0,0,0,0,0,0,0,0,0],
    [0,1,1,1,1,1,1,1,0,0],
    [0,0,0,0,1,1,1,1,0,0],
    [0,0,0,0,1,1,1,1,0,0],
    [0,0,0,1,1,1,1,1,0,0],
    [0,0,0,0,1,1,1,1,0,0],
    [0,0,0,1,1,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0]
])

s = np.array([
        [1,1,1],
        [1,1,1],
        [1,1,1]])

unique, freq = np.unique(dilation(a,s), return_counts=True)
print("dilation", freq[1])

unique, freq = np.unique(erosion(a,s), return_counts=True)
print("erosion", freq[1])


unique, freq = np.unique(closing(a,s), return_counts=True)
print("closing", freq[1])

unique, freq = np.unique(opening(a,s), return_counts=True)
print("opening", freq[1])


# plt.imshow(dilation(a,s), cmap='gray')
# plt.show()