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从文档(强调我的):
skimage.morphology.remove_small_objects(ar, min_size=64, connectivity=1, in_place=False)
删除小于指定大小的对象。
期望 ar 是一个带有标记对象的数组,并删除小于 min_size 的对象。如果 ar 为 bool,则首先标记图像。这导致 bool 和 0-and-1 数组的行为可能不同。
import numpy as np
from skimage import io, morphology
import matplotlib.pyplot as plt
img = np.array([[255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255],
[255, 255, 0, 255, 0, 0, 0, 0, 255, 255, 255],
[255, 255, 255, 255, 0, 0, 0, 0, 255, 0, 0],
[255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[255, 255, 0, 0, 0, 0, 0, 255, 0, 0, 0],
[255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0],
[255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0]])
arr = img > 0
cleaned = morphology.remove_small_objects(arr, min_size=2)
cleaned = morphology.remove_small_holes(cleaned, min_size=2)
fig, axs = plt.subplots(1, 2)
axs[0].imshow(img, cmap='gray')
axs[0].set_title('img')
axs[1].imshow(cleaned, cmap='gray')
axs[1].set_title('cleaned')
plt.show(fig)
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