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add test for convertions in estimateAffine2D* functions

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test with integer points to cover conversion bugs.
This commit is contained in:
Jiri Horner 2017-01-27 17:52:35 +01:00
parent 9408a5ef5d
commit 4ee25c7e95
2 changed files with 55 additions and 0 deletions
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28
modules/calib3d/test/test_affine2d_estimator.cpp
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@ -127,4 +127,32 @@ TEST_P(EstimateAffine2D, testNPoints)
}
}
// test conversion from other datatypes than float
TEST_P(EstimateAffine2D, testConversion)
{
Mat aff(2, 3, CV_32S);
cv::randu(aff, 1., 3.);
std::vector<Point> fpts(3);
std::vector<Point> tpts(3);
// setting points that are not in the same line
fpts[0] = Point2f( rngIn(1,2), rngIn(5,6) );
fpts[1] = Point2f( rngIn(3,4), rngIn(3,4) );
fpts[2] = Point2f( rngIn(1,2), rngIn(3,4) );
transform(fpts, tpts, aff);
vector<uchar> inliers;
Mat aff_est = estimateAffine2D(fpts, tpts, inliers, GetParam() /* method */);
ASSERT_FALSE(aff_est.empty());
aff.convertTo(aff, CV_64F); // need to convert before compare
EXPECT_NEAR(0., cvtest::norm(aff_est, aff, NORM_INF), 1e-3);
// all must be inliers
EXPECT_EQ(countNonZero(inliers), 3);
}
INSTANTIATE_TEST_CASE_P(Calib3d, EstimateAffine2D, Method::all());

27
modules/calib3d/test/test_affine_partial2d_estimator.cpp
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@ -137,4 +137,31 @@ TEST_P(EstimateAffinePartial2D, testNPoints)
}
}
// test conversion from other datatypes than float
TEST_P(EstimateAffinePartial2D, testConversion)
{
Mat aff = rngPartialAffMat();
aff.convertTo(aff, CV_32S); // convert to int to transform ints properly
std::vector<Point> fpts(3);
std::vector<Point> tpts(3);
fpts[0] = Point2f( rngIn(1,2), rngIn(5,6) );
fpts[1] = Point2f( rngIn(3,4), rngIn(3,4) );
fpts[2] = Point2f( rngIn(1,2), rngIn(3,4) );
transform(fpts, tpts, aff);
vector<uchar> inliers;
Mat aff_est = estimateAffinePartial2D(fpts, tpts, inliers, GetParam() /* method */);
ASSERT_FALSE(aff_est.empty());
aff.convertTo(aff, CV_64F); // need to convert back before compare
EXPECT_NEAR(0., cvtest::norm(aff_est, aff, NORM_INF), 1e-3);
// all must be inliers
EXPECT_EQ(countNonZero(inliers), 3);
}
INSTANTIATE_TEST_CASE_P(Calib3d, EstimateAffinePartial2D, Method::all());