def test_sobel_y_big_values(self):
output = tolist(
ndimage.sobel(self.array_big_values, axis=1, mode='reflect'))
result = sobel(self.array_big_values, direction='x', mode='odd')
self.assertEqual(output, result)
def test_sobel_y_even(self):
output = [[16, 16, 16, 16], [32, 32, 32, 32], [16, 16, 16, 16]]
result = sobel(self.array, direction='y', mode='even')
self.assertEqual(output, result)
def test_sobel_y_rep(self):
output = tolist(ndimage.sobel(self.array, axis=0, mode='nearest'))
result = sobel(self.array, direction='y', mode='rep')
self.assertEqual(output, result)
def test_sobel_x_even(self):
output = [[4, 8, 8, 4], [4, 8, 8, 4], [4, 8, 8, 4]]
result = sobel(self.array, direction='x', mode='even')
self.assertEqual(output, result)
def sobel_command(*args, **kwargs):
res = sobel.sobel(*args, **kwargs)
res = normalize.shift(res, 128)
res = normalize.suppress_ejection(res)
return res