mirror of
https://github.com/opencv/opencv.git
synced 2024-12-15 09:49:13 +08:00
27 lines
910 B
Python
27 lines
910 B
Python
#!/usr/bin/env python
|
|
import cv2 as cv
|
|
|
|
from tests_common import NewOpenCVTests
|
|
|
|
class shape_test(NewOpenCVTests):
|
|
|
|
def test_computeDistance(self):
|
|
|
|
a = self.get_sample('samples/data/shape_sample/1.png', cv.IMREAD_GRAYSCALE)
|
|
b = self.get_sample('samples/data/shape_sample/2.png', cv.IMREAD_GRAYSCALE)
|
|
|
|
_, 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()
|