vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

modules/fastcv/perf/perf_meanshift.cpp

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+*/
+
+#include "perf_precomp.hpp"
+
+namespace opencv_test {
+
+typedef std::tuple<cv::Size, MatType, int /*iterations*/, float /*epsilon*/, Size /*winSize*/> MeanShiftPerfParams;
+typedef perf::TestBaseWithParam<MeanShiftPerfParams> MeanShiftPerfTest;
+
+PERF_TEST_P(MeanShiftPerfTest, run,
+    ::testing::Combine(::testing::Values(Size(128, 128), Size(640, 480), Size(800, 600)),
+                       ::testing::Values(CV_8U, CV_32S, CV_32F), // type
+                       ::testing::Values(2, 10, 100), // nIterations
+                       ::testing::Values(0.01f, 0.1f, 1.f, 10.f), // epsilon
+                       ::testing::Values(Size(8, 8), Size(13, 48), Size(64, 64)) // window size
+                       )
+           )
+{
+    auto p = GetParam();
+    cv::Size size = std::get<0>(p);
+    MatType type  = std::get<1>(p);
+    int iters     = std::get<2>(p);
+    float eps     = std::get<3>(p);
+    Size winSize  = std::get<4>(p);
+
+    RNG& rng = cv::theRNG();
+
+    const int nPts = 20;
+    Mat ptsMap(size, CV_8UC1, Scalar(255));
+    for(size_t i = 0; i < nPts; ++i)
+    {
+        ptsMap.at<uchar>(rng() % size.height, rng() % size.width) = 0;
+    }
+    Mat distTrans(size, CV_8UC1);
+    cv::distanceTransform(ptsMap, distTrans, DIST_L2, DIST_MASK_PRECISE);
+    Mat vsrc = 255 - distTrans;
+    Mat src;
+    vsrc.convertTo(src, type);
+
+    Point startPt(rng() % (size.width  - winSize.width),
+                  rng() % (size.height - winSize.height));
+    Rect startRect(startPt, winSize);
+
+    cv::TermCriteria termCrit( TermCriteria::EPS + TermCriteria::MAX_ITER, iters, eps);
+
+    Rect window = startRect;
+    while(next())
+    {
+        startTimer();
+        cv::fastcv::meanShift(src, window, termCrit);
+        stopTimer();
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+} // namespace