vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
3872 changed files with 2513409 additions and 0 deletions
@@ -0,0 +1,82 @@
+// 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/ts/cuda_test.hpp> // EXPECT_MAT_NEAR
+
+namespace opencv_test { namespace {
+
+using namespace ::cv::videostab;
+
+class OneFrameTestSource : public IFrameSource
+{
+public:
+    OneFrameTestSource(const Mat &frame)
+    {
+        frameNumber_ = 0;
+        frame_ = frame;
+    }
+
+    virtual void reset() CV_OVERRIDE
+    {
+        frameNumber_ = 0;
+    }
+
+    virtual Mat nextFrame() CV_OVERRIDE
+    {
+        return (frameNumber_++ == 0) ? frame_ : Mat();
+    }
+
+private:
+    int frameNumber_;
+    Mat frame_;
+};
+
+TEST(OnePassStabilizer, oneFrame)
+{
+    Mat frame(2, 3, CV_8UC3);
+    randu(frame, Scalar::all(0), Scalar::all(255));
+
+    OnePassStabilizer stabilizer;
+    stabilizer.setRadius(10);
+    stabilizer.setFrameSource(makePtr<OneFrameTestSource>(frame));
+
+    Mat stabilizedFrame = stabilizer.nextFrame();
+    EXPECT_MAT_NEAR(frame, stabilizedFrame, 0);
+    EXPECT_TRUE(stabilizer.nextFrame().empty());
+}
+
+TEST(OnePassStabilizer, oneFrame_deblur)
+{
+    Mat frame(2, 3, CV_8UC3);
+    randu(frame, Scalar::all(0), Scalar::all(255));
+
+    OnePassStabilizer stabilizer;
+    stabilizer.setRadius(1);
+    stabilizer.setFrameSource(makePtr<OneFrameTestSource>(frame));
+
+    Ptr<WeightingDeblurer> deblurer = makePtr<WeightingDeblurer>();
+    deblurer->setRadius(10);
+    stabilizer.setDeblurer(deblurer);
+
+    Mat stabilizedFrame = stabilizer.nextFrame();
+    EXPECT_MAT_NEAR(frame, stabilizedFrame, 0);
+    EXPECT_TRUE(stabilizer.nextFrame().empty());
+}
+
+TEST(TwoPassStabilizer, oneFrame)
+{
+    Mat frame(2, 3, CV_8UC3);
+    randu(frame, Scalar::all(0), Scalar::all(255));
+
+    TwoPassStabilizer stabilizer;
+    stabilizer.setRadius(10);
+    stabilizer.setFrameSource(makePtr<OneFrameTestSource>(frame));
+
+    Mat stabilizedFrame = stabilizer.nextFrame();
+    EXPECT_MAT_NEAR(frame, stabilizedFrame, 0);
+    EXPECT_TRUE(stabilizer.nextFrame().empty());
+}
+
+}} // namespace