本文整理匯總了Python中scipy.ndimage.binary_erosion方法的典型用法代碼示例。如果您正苦於以下問題：Python ndimage.binary_erosion方法的具體用法？Python ndimage.binary_erosion怎麽用？Python ndimage.binary_erosion使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類scipy.ndimage的用法示例。
在下文中一共展示了ndimage.binary_erosion方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: flood_fill
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def flood_fill(test_array, h_max=255):
"""
fill in the hole
"""
input_array = np.copy(test_array)
el = ndimage.generate_binary_structure(2,2).astype(np.int)
inside_mask = ndimage.binary_erosion(~np.isnan(input_array), structure=el)
output_array = np.copy(input_array)
output_array[inside_mask]=h_max
output_old_array = np.copy(input_array)
output_old_array.fill(0)
el = ndimage.generate_binary_structure(2,1).astype(np.int)
while not np.array_equal(output_old_array, output_array):
output_old_array = np.copy(output_array)
output_array = np.maximum(input_array,ndimage.grey_erosion(output_array, size=(3,3), footprint=el))
return output_array 示例2: Hilditch_skeleton
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def Hilditch_skeleton(binary_image):
size = binary_image.size
skel = np.zeros(binary_image.shape, np.uint8)
elem = np.array([[0, 1, 0],
[1, 1, 1],
[0, 1, 0]])
image = binary_image.copy()
for _ in range(10000):
eroded = ndi.binary_erosion(image, elem)
temp = ndi.binary_dilation(eroded, elem)
temp = image - temp
skel = np.bitwise_or(skel, temp)
image = eroded.copy()
zeros = size - np.sum(image > 0)
if zeros == size:
break
return skel 示例3: test_binary_erosion22
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion22(self):
expected = [[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, 0, 0, 0, 0, 1, 0, 0],
[0, 0, 0, 1, 1, 0, 0, 0],
[0, 0, 1, 0, 0, 1, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0]]
for type in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type)
out = ndimage.binary_erosion(data, border_value=1)
assert_array_almost_equal(out, expected) 示例4: test_binary_erosion23
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion23(self):
struct = ndimage.generate_binary_structure(2, 2)
expected = [[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, 0, 0, 0, 0, 0, 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, 0, 0]]
for type in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type)
out = ndimage.binary_erosion(data, struct,
border_value=1)
assert_array_almost_equal(out, expected) 示例5: test_binary_erosion25
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion25(self):
struct = [[0, 1, 0],
[1, 0, 1],
[0, 1, 0]]
expected = [[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, 0, 0, 0, 0, 1, 0, 0],
[0, 0, 0, 1, 0, 0, 0, 0],
[0, 0, 1, 0, 0, 1, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0]]
for type in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 0, 1, 1],
[0, 0, 1, 0, 1, 1, 0, 0],
[0, 1, 0, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type)
out = ndimage.binary_erosion(data, struct,
border_value=1)
assert_array_almost_equal(out, expected) 示例6: test_binary_erosion26
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion26(self):
struct = [[0, 1, 0],
[1, 0, 1],
[0, 1, 0]]
expected = [[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 1],
[0, 0, 0, 0, 1, 0, 0, 1],
[0, 0, 1, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 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, 0, 1]]
for type in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 0, 1, 1],
[0, 0, 1, 0, 1, 1, 0, 0],
[0, 1, 0, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type)
out = ndimage.binary_erosion(data, struct,
border_value=1, origin=(-1, -1))
assert_array_almost_equal(out, expected) 示例7: test_binary_erosion27
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion27(self):
struct = [[0, 1, 0],
[1, 1, 1],
[0, 1, 0]]
expected = [[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 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]]
data = numpy.array([[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 1, 0, 0, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 0, 0, 1, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0]], bool)
out = ndimage.binary_erosion(data, struct,
border_value=1, iterations=2)
assert_array_almost_equal(out, expected) 示例8: test_binary_erosion28
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion28(self):
struct = [[0, 1, 0],
[1, 1, 1],
[0, 1, 0]]
expected = [[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 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]]
data = numpy.array([[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 1, 0, 0, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 0, 0, 1, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0]], bool)
out = numpy.zeros(data.shape, bool)
ndimage.binary_erosion(data, struct, border_value=1,
iterations=2, output=out)
assert_array_almost_equal(out, expected) 示例9: test_binary_erosion29
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion29(self):
struct = [[0, 1, 0],
[1, 1, 1],
[0, 1, 0]]
expected = [[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 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]]
data = numpy.array([[0, 0, 0, 1, 0, 0, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 0],
[1, 1, 1, 1, 1, 1, 1],
[0, 1, 1, 1, 1, 1, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 0, 0, 1, 0, 0, 0]], bool)
out = ndimage.binary_erosion(data, struct,
border_value=1, iterations=3)
assert_array_almost_equal(out, expected) 示例10: test_binary_erosion31
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion31(self):
struct = [[0, 1, 0],
[1, 1, 1],
[0, 1, 0]]
expected = [[0, 0, 1, 0, 0, 0, 0],
[0, 1, 1, 1, 0, 0, 0],
[1, 1, 1, 1, 1, 0, 1],
[0, 1, 1, 1, 0, 0, 0],
[0, 0, 1, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 1, 0, 0, 0, 1]]
data = numpy.array([[0, 0, 0, 1, 0, 0, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 0],
[1, 1, 1, 1, 1, 1, 1],
[0, 1, 1, 1, 1, 1, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 0, 0, 1, 0, 0, 0]], bool)
out = numpy.zeros(data.shape, bool)
ndimage.binary_erosion(data, struct, border_value=1,
iterations=1, output=out, origin=(-1, -1))
assert_array_almost_equal(out, expected) 示例11: test_binary_erosion32
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion32(self):
struct = [[0, 1, 0],
[1, 1, 1],
[0, 1, 0]]
expected = [[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 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]]
data = numpy.array([[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 1, 0, 0, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 0],
[0, 0, 1, 1, 1, 0, 0],
[0, 0, 0, 1, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0]], bool)
out = ndimage.binary_erosion(data, struct,
border_value=1, iterations=2)
assert_array_almost_equal(out, expected) 示例12: test_binary_erosion22
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion22(self):
expected = [[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, 0, 0, 0, 0, 1, 0, 0],
[0, 0, 0, 1, 1, 0, 0, 0],
[0, 0, 1, 0, 0, 1, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0]]
for type_ in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type_)
out = ndimage.binary_erosion(data, border_value=1)
assert_array_almost_equal(out, expected) 示例13: test_binary_erosion23
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion23(self):
struct = ndimage.generate_binary_structure(2, 2)
expected = [[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, 0, 0, 0, 0, 0, 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, 0, 0]]
for type_ in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 1, 1],
[0, 0, 1, 1, 1, 1, 0, 0],
[0, 1, 1, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type_)
out = ndimage.binary_erosion(data, struct, border_value=1)
assert_array_almost_equal(out, expected) 示例14: test_binary_erosion25
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion25(self):
struct = [[0, 1, 0],
[1, 0, 1],
[0, 1, 0]]
expected = [[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, 0, 0, 0, 0, 1, 0, 0],
[0, 0, 0, 1, 0, 0, 0, 0],
[0, 0, 1, 0, 0, 1, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0]]
for type_ in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 0, 1, 1],
[0, 0, 1, 0, 1, 1, 0, 0],
[0, 1, 0, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type_)
out = ndimage.binary_erosion(data, struct, border_value=1)
assert_array_almost_equal(out, expected) 示例15: test_binary_erosion26
# 需要導入模塊: from scipy import ndimage [as 別名]
# 或者: from scipy.ndimage import binary_erosion [as 別名]
def test_binary_erosion26(self):
struct = [[0, 1, 0],
[1, 0, 1],
[0, 1, 0]]
expected = [[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 1],
[0, 0, 0, 0, 1, 0, 0, 1],
[0, 0, 1, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 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, 0, 1]]
for type_ in self.types:
data = numpy.array([[0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 1],
[0, 0, 1, 1, 1, 0, 1, 1],
[0, 0, 1, 0, 1, 1, 0, 0],
[0, 1, 0, 1, 1, 1, 1, 0],
[0, 1, 1, 0, 0, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0]], type_)
out = ndimage.binary_erosion(data, struct, border_value=1,
origin=(-1, -1))
assert_array_almost_equal(out, expected)