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scikit-image/scikits/image/morphology/tests/test_morphology.py
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2009-11-20 11:31:34 +02:00

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2.1 KiB
Python

import os.path
import numpy as np
from numpy.testing import *
from scikits.image import data_dir
from scikits.image.io import imread
from scikits.image import data_dir
from scikits.image.morphology import *
lena = np.load(os.path.join(data_dir, 'lena_GRAY_U8.npy'))
class TestMorphology():
def morph_worker(self, img, fn, morph_func, strel_func):
matlab_results = np.load(os.path.join(data_dir, fn))
k = 0
for expected_result in matlab_results:
mask = strel_func(k)
actual_result = morph_func(lena, mask)
assert_equal(expected_result, actual_result)
k = k + 1
def test_erode_diamond(self):
self.morph_worker(lena, "diamond-erode-matlab-output.npy",
greyscale_erode, diamond)
def test_dilate_diamond(self):
self.morph_worker(lena, "diamond-dilate-matlab-output.npy",
greyscale_dilate, diamond)
def test_open_diamond(self):
self.morph_worker(lena, "diamond-open-matlab-output.npy",
greyscale_open, diamond)
def test_close_diamond(self):
self.morph_worker(lena, "diamond-close-matlab-output.npy",
greyscale_close, diamond)
def test_tophat_diamond(self):
self.morph_worker(lena, "diamond-tophat-matlab-output.npy",
greyscale_white_top_hat, diamond)
def test_bothat_diamond(self):
self.morph_worker(lena, "diamond-bothat-matlab-output.npy",
greyscale_black_top_hat, diamond)
def test_erode_disk(self):
self.morph_worker(lena, "disk-erode-matlab-output.npy",
greyscale_erode, disk)
def test_dilate_disk(self):
self.morph_worker(lena, "disk-dilate-matlab-output.npy",
greyscale_dilate, disk)
def test_open_disk(self):
self.morph_worker(lena, "disk-open-matlab-output.npy",
greyscale_open, disk)
def test_close_disk(self):
self.morph_worker(lena, "disk-close-matlab-output.npy",
greyscale_close, disk)