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Merge branch '4.x' into '5.x'

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This commit is contained in:
Maksim Shabunin
2024-06-11 19:38:59 +03:00
parent a2d2ea6536 a03b813167
commit 26ea34c4cb
573 changed files with 72922 additions and 7355 deletions
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modules/imgproc/test/test_pc.cpp
+29
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@@ -121,6 +121,35 @@ TEST(Imgproc_PhaseCorrelatorTest, accuracy_1d_odd_fft) {
ASSERT_NEAR(phaseShift.x, (double)xShift, 1.);
}
TEST(Imgproc_PhaseCorrelatorTest, float32_overflow) {
// load
Mat im = imread(cvtest::TS::ptr()->get_data_path() + "shared/baboon.png", IMREAD_GRAYSCALE);
ASSERT_EQ(im.type(), CV_8UC1);
// convert to 32F, scale values as if original image was 16U
constexpr auto u8Max = std::numeric_limits<std::uint8_t>::max();
constexpr auto u16Max = std::numeric_limits<std::uint16_t>::max();
im.convertTo(im, CV_32FC1, double(u16Max) / double(u8Max));
// enlarge and create ROIs
const auto w = im.cols * 5;
const auto h = im.rows * 5;
const auto roiW = (w * 2) / 3; // 50% overlap
Mat imLarge;
resize(im, imLarge, { w, h });
const auto roiLeft = imLarge(Rect(0, 0, roiW, h));
const auto roiRight = imLarge(Rect(w - roiW, 0, roiW, h));
// correlate
double response = 0.0;
Point2d phaseShift = phaseCorrelate(roiLeft, roiRight, cv::noArray(), &response);
ASSERT_TRUE(std::isnormal(phaseShift.x) || 0.0 == phaseShift.x);
ASSERT_TRUE(std::isnormal(phaseShift.y) || 0.0 == phaseShift.y);
ASSERT_TRUE(std::isnormal(response) || 0.0 == response);
EXPECT_NEAR(std::abs(phaseShift.x), w / 3.0, 1.0);
EXPECT_NEAR(std::abs(phaseShift.y), 0.0, 1.0);
}
////////////////////// DivSpectrums ////////////////////////
class CV_DivSpectrumsTest : public cvtest::ArrayTest
{