November 2018
Intermediate to advanced
492 pages
12h 19m
English
Content preview from Hands-On Image Processing with Python
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Filling holes in binary objects
This function fills the holes in binary objects. The following code block demonstrates the application of the function with different structuring element sizes on an input binary image:
from scipy.ndimage.morphology import binary_fill_holesim = rgb2gray(imread('../images/text1.png'))im[im <= 0.5] = 0im[im > 0.5] = 1pylab.figure(figsize=(20,15))pylab.subplot(221), pylab.imshow(im), pylab.title('original', size=20),pylab.axis('off')i = 2for n in [3,5,7]: pylab.subplot(2, 2, i) im1 = binary_fill_holes(im, structure=np.ones((n,n))) pylab.imshow(im1), pylab.title('binary_fill_holes with structure square side ' + str(n), size=20) pylab.axis('off') i += 1pylab.show()
The following screenshot shows the output of the ...
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