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Merge branch 4.x

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This commit is contained in:
Alexander Smorkalov
2023-10-16 21:25:56 +03:00
parent d789cb459c 2f63c58380
commit 97620c053f
221 changed files with 3584 additions and 2215 deletions
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modules/imgproc/test/test_distancetransform.cpp
+48
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@@ -40,6 +40,7 @@
//M*/
#include "test_precomp.hpp"
#include <numeric>
namespace opencv_test { namespace {
@@ -128,4 +129,51 @@ BIGDATA_TEST(Imgproc_DistanceTransform, issue_23895_5x5_labels)
EXPECT_EQ(nz, 0);
}
TEST(Imgproc_DistanceTransform, max_distance_3x3)
{
Mat src = Mat::ones(1, 70000, CV_8U), dist;
src.at<uint8_t>(0, 0) = 0;
distanceTransform(src, dist, DIST_L2, DIST_MASK_3);
double minVal, maxVal;
minMaxLoc(dist, &minVal, &maxVal);
EXPECT_GE(maxVal, 65533);
}
TEST(Imgproc_DistanceTransform, max_distance_5x5)
{
Mat src = Mat::ones(1, 70000, CV_8U), dist;
src.at<uint8_t>(0, 0) = 0;
distanceTransform(src, dist, DIST_L2, DIST_MASK_5);
double minVal, maxVal;
minMaxLoc(dist, &minVal, &maxVal);
EXPECT_GE(maxVal, 65533);
}
TEST(Imgproc_DistanceTransform, max_distance_5x5_labels)
{
Mat src = Mat::ones(1, 70000, CV_8U), dist, labels;
src.at<uint8_t>(0, 0) = 0;
distanceTransform(src, dist, labels, DIST_L2, DIST_MASK_5);
double minVal, maxVal;
minMaxLoc(dist, &minVal, &maxVal);
EXPECT_GE(maxVal, 65533);
}
TEST(Imgproc_DistanceTransform, precise_long_dist)
{
static const int maxDist = 1 << 16;
Mat src = Mat::ones(1, 70000, CV_8U), dist;
src.at<uint8_t>(0, 0) = 0;
distanceTransform(src, dist, DIST_L2, DIST_MASK_PRECISE, CV_32F);
Mat expected(src.size(), CV_32F);
std::iota(expected.begin<float>(), expected.end<float>(), 0.f);
expected.colRange(maxDist, expected.cols).setTo(maxDist);
EXPECT_EQ(cv::norm(expected, dist, NORM_INF), 0);
}
}} // namespace