init - 初始化项目

modules/stitching/test/test_reprojection.cpp

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+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+
+#include "test_precomp.hpp"
+#include "opencv2/stitching/warpers.hpp"
+
+namespace opencv_test { namespace {
+class ReprojectionTest : public ::testing::Test {
+
+protected:
+    const size_t TEST_COUNT = 15;
+    Mat K, R;
+    RNG rng = RNG(0);
+    ReprojectionTest()
+    {
+        K = Mat::eye(3, 3, CV_32FC1);
+        float angle = (float)(30.0 * CV_PI / 180.0);
+        float rotationMatrix[9] = {
+                (float)cos(angle), (float)sin(angle), 0,
+                (float)-sin(angle), (float)cos(angle), 0,
+                0, 0, 1
+        };
+        Mat(3, 3, CV_32FC1, rotationMatrix).copyTo(R);
+    }
+    void TestReprojection(Ptr<detail::RotationWarper> warper, Point2f pt) {
+        Point2f projected_pt = warper->warpPoint(pt, K, R);
+        Point2f reprojected_pt = warper->warpPointBackward(projected_pt, K, R);
+        EXPECT_NEAR(pt.x, reprojected_pt.x, float( 1e-5));
+        EXPECT_NEAR(pt.y, reprojected_pt.y, float( 1e-5));
+    }
+};
+
+
+TEST_F(ReprojectionTest, PlaneWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<PlaneWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, AffineWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<AffineWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, CylindricalWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<CylindricalWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, SphericalWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<SphericalWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, FisheyeWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<FisheyeWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, StereographicWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<StereographicWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, CompressedRectilinearWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<CompressedRectilinearWarper>(1.5f, 1.0f);
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, CompressedRectilinearPortraitWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<CompressedRectilinearPortraitWarper>(1.5f, 1.0f);
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, PaniniWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<PaniniWarper>(1.5f, 1.0f);
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, PaniniPortraitWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<PaniniPortraitWarper>(1.5f, 1.0f);
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, MercatorWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<MercatorWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+TEST_F(ReprojectionTest, TransverseMercatorWarper)
+{
+    Ptr<WarperCreator> creator = makePtr<TransverseMercatorWarper>();
+    for (size_t i = 0; i < TEST_COUNT; ++i) {
+        TestReprojection(creator->create(1), Point2f(rng.uniform(-1.f, 1.f), rng.uniform(-1.f, 1.f)));
+    }
+}
+
+}} // namespace