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imgproc test: Canny with custom gradient

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This commit is contained in:
Alexander Alekhin
2016-07-11 17:08:27 +03:00
parent 575de89ee2
commit e20a93f7d6
3 changed files with 56 additions and 12 deletions
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modules/imgproc/test/test_canny.cpp
+24 -3
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@@ -47,7 +47,7 @@ using namespace std;
class CV_CannyTest : public cvtest::ArrayTest
{
public:
CV_CannyTest();
CV_CannyTest(bool custom_deriv = false);
protected:
void get_test_array_types_and_sizes( int test_case_idx, vector<vector<Size> >& sizes, vector<vector<int> >& types );
@@ -61,10 +61,11 @@ protected:
bool use_true_gradient;
double threshold1, threshold2;
bool test_cpp;
bool test_custom_deriv;
};
CV_CannyTest::CV_CannyTest()
CV_CannyTest::CV_CannyTest(bool custom_deriv)
{
test_array[INPUT].push_back(NULL);
test_array[OUTPUT].push_back(NULL);
@@ -75,6 +76,7 @@ CV_CannyTest::CV_CannyTest()
threshold1 = threshold2 = 0;
test_cpp = false;
test_custom_deriv = custom_deriv;
}
@@ -99,6 +101,9 @@ void CV_CannyTest::get_test_array_types_and_sizes( int test_case_idx,
use_true_gradient = cvtest::randInt(rng) % 2 != 0;
test_cpp = (cvtest::randInt(rng) & 256) == 0;
ts->printf(cvtest::TS::LOG, "Canny(size = %d x %d, aperture_size = %d, threshold1 = %g, threshold2 = %g, L2 = %s) test_cpp = %s (test case #%d)\n",
sizes[0][0].width, sizes[0][0].height, aperture_size, threshold1, threshold2, use_true_gradient ? "TRUE" : "FALSE", test_cpp ? "TRUE" : "FALSE", test_case_idx);
}
@@ -123,9 +128,24 @@ double CV_CannyTest::get_success_error_level( int /*test_case_idx*/, int /*i*/,
void CV_CannyTest::run_func()
{
if(!test_cpp)
if (test_custom_deriv)
{
cv::Mat _out = cv::cvarrToMat(test_array[OUTPUT][0]);
cv::Mat src = cv::cvarrToMat(test_array[INPUT][0]);
cv::Mat dx, dy;
int m = aperture_size;
Point anchor(m/2, m/2);
Mat dxkernel = cvtest::calcSobelKernel2D( 1, 0, m, 0 );
Mat dykernel = cvtest::calcSobelKernel2D( 0, 1, m, 0 );
cvtest::filter2D(src, dx, CV_16S, dxkernel, anchor, 0, BORDER_REPLICATE);
cvtest::filter2D(src, dy, CV_16S, dykernel, anchor, 0, BORDER_REPLICATE);
cv::Canny(dx, dy, _out, threshold1, threshold2, use_true_gradient);
}
else if(!test_cpp)
{
cvCanny( test_array[INPUT][0], test_array[OUTPUT][0], threshold1, threshold2,
aperture_size + (use_true_gradient ? CV_CANNY_L2_GRADIENT : 0));
}
else
{
cv::Mat _out = cv::cvarrToMat(test_array[OUTPUT][0]);
@@ -283,5 +303,6 @@ int CV_CannyTest::validate_test_results( int test_case_idx )
}
TEST(Imgproc_Canny, accuracy) { CV_CannyTest test; test.safe_run(); }
TEST(Imgproc_Canny, accuracy_deriv) { CV_CannyTest test(true); test.safe_run(); }
/* End of file. */