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added minPoints Homography test

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This commit is contained in:
Aitik Gupta 2020-09-29 01:04:15 +05:30
parent 94e0ac7d9f
commit cbf978d1f7
1 changed files with 25 additions and 1 deletions
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26
modules/calib3d/test/test_homography.cpp
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@ -63,6 +63,7 @@ namespace opencv_test { namespace {
#define MESSAGE_RANSAC_DIFF "Reprojection error for current pair of points more than required."
#define MAX_COUNT_OF_POINTS 303
#define MIN_COUNT_OF_POINTS 4
#define COUNT_NORM_TYPES 3
#define METHODS_COUNT 4
@ -249,7 +250,7 @@ void CV_HomographyTest::print_information_8(int _method, int j, int N, int k, in
void CV_HomographyTest::run(int)
{
for (int N = 4; N <= MAX_COUNT_OF_POINTS; ++N)
for (int N = MIN_COUNT_OF_POINTS; N <= MAX_COUNT_OF_POINTS; ++N)
{
RNG& rng = ts->get_rng();
@ -711,4 +712,27 @@ TEST(Calib3d_Homography, fromImages)
ASSERT_GE(ninliers1, 80);
}
TEST(Calib3d_Homography, minPoints)
{
float pt1data[] =
{
2.80073029e+002f, 2.39591217e+002f, 2.21912201e+002f, 2.59783997e+002f
};
float pt2data[] =
{
1.84072723e+002f, 1.43591202e+002f, 1.25912483e+002f, 1.63783859e+002f
};
int npoints = (int)(sizeof(pt1data)/sizeof(pt1data[0])/2);
printf("npoints = %d\n", npoints); // npoints = 2
Mat p1(1, npoints, CV_32FC2, pt1data);
Mat p2(1, npoints, CV_32FC2, pt2data);
Mat mask;
// findHomography should raise an error since npoints < MIN_COUNT_OF_POINTS
EXPECT_THROW(findHomography(p1, p2, RANSAC, 0.01, mask), cv::Exception);
}
}} // namespace