python 填充二值对象孔洞

import pylab
from scipy.ndimage.morphology import binary_fill_holes
from skimage.io import imread
from skimage.color import rgb2gray
import matplotlib.pylab as plt
import numpy as np

im = rgb2gray(imread('./9781789343731_Code/images/text.png'))
im[im <= 0.5] = 0
im[im > 0.5] = 1
pylab.gray()
plt.figure(figsize=(20,15))
plt.subplot(221)
plt.imshow(im)
plt.title('original', size=20)
plt.axis('off')
i = 2
for n in [3, 5, 7]:
    plt.subplot(2, 2, i)
    im1 = binary_fill_holes(im, structure=np.ones((n,n)))
    plt.imshow(im1)
    plt.title('binary_fill_holes with structure square side ' + str(n), size=20)
    plt.axis('off')
    i += 1
plt.savefig('text-out.png')
plt.show()

python 填充二值对象孔洞_第1张图片

你可能感兴趣的:(二值化,PIL,python,numpy)