You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1.2 KiB
37 lines
1.2 KiB
#!/usr/bin/env python |
|
|
|
# Python 2/3 compatibility |
|
from __future__ import print_function |
|
|
|
import os |
|
|
|
import cv2 as cv |
|
|
|
from tests_common import NewOpenCVTests |
|
|
|
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) |
|
MODULE_DIR = os.path.join(SCRIPT_DIR, '../../../') |
|
|
|
class shape_test(NewOpenCVTests): |
|
|
|
def test_computeDistance(self): |
|
|
|
a = cv.imread(os.path.join(MODULE_DIR, 'samples/data/shape_sample/1.png'), cv.IMREAD_GRAYSCALE) |
|
b = cv.imread(os.path.join(MODULE_DIR, 'samples/data/shape_sample/2.png'), cv.IMREAD_GRAYSCALE) |
|
if a is None or b is None: |
|
raise unittest.SkipTest("Missing files with test data") |
|
|
|
ca, _ = cv.findContours(a, cv.RETR_CCOMP, cv.CHAIN_APPROX_TC89_KCOS) |
|
cb, _ = cv.findContours(b, cv.RETR_CCOMP, cv.CHAIN_APPROX_TC89_KCOS) |
|
|
|
hd = cv.createHausdorffDistanceExtractor() |
|
sd = cv.createShapeContextDistanceExtractor() |
|
|
|
d1 = hd.computeDistance(ca[0], cb[0]) |
|
d2 = sd.computeDistance(ca[0], cb[0]) |
|
|
|
self.assertAlmostEqual(d1, 26.4196891785, 3, "HausdorffDistanceExtractor") |
|
self.assertAlmostEqual(d2, 0.25804194808, 3, "ShapeContextDistanceExtractor") |
|
|
|
if __name__ == '__main__': |
|
NewOpenCVTests.bootstrap()
|
|
|