vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

2026-08-22 00:10:33 +08:00
commit f7f077da11
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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 "perf_precomp.hpp"
+
+namespace opencv_test {
+
+PERF_TEST(PerfHoughCircles, Basic)
+{
+    string filename = getDataPath("cv/imgproc/stuff.jpg");
+    const double dp = 1.0;
+    double minDist = 20;
+    double edgeThreshold = 20;
+    double accumThreshold = 30;
+    int minRadius = 20;
+    int maxRadius = 200;
+
+    Mat img = imread(filename, IMREAD_GRAYSCALE);
+    ASSERT_FALSE(img.empty()) << "Unable to load source image " << filename;
+
+    GaussianBlur(img, img, Size(9, 9), 2, 2);
+
+    vector<Vec3f> circles;
+    declare.in(img);
+
+    TEST_CYCLE()
+    {
+        HoughCircles(img, circles, cv::HOUGH_GRADIENT, dp, minDist, edgeThreshold, accumThreshold, minRadius, maxRadius);
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+PERF_TEST(PerfHoughCircles2, ManySmallCircles)
+{
+    string filename = getDataPath("cv/imgproc/beads.jpg");
+    const double dp = 1.0;
+    double minDist = 10;
+    double edgeThreshold = 90;
+    double accumThreshold = 11;
+    int minRadius = 7;
+    int maxRadius = 18;
+
+    Mat img = imread(filename, IMREAD_GRAYSCALE);
+    ASSERT_FALSE(img.empty()) << "Unable to load source image " << filename;
+
+    vector<Vec3f> circles;
+    declare.in(img);
+
+    TEST_CYCLE()
+    {
+        HoughCircles(img, circles, cv::HOUGH_GRADIENT, dp, minDist, edgeThreshold, accumThreshold, minRadius, maxRadius);
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+PERF_TEST(PerfHoughCircles4f, Basic)
+{
+    string filename = getDataPath("cv/imgproc/stuff.jpg");
+    const double dp = 1.0;
+    double minDist = 20;
+    double edgeThreshold = 20;
+    double accumThreshold = 30;
+    int minRadius = 20;
+    int maxRadius = 200;
+
+    Mat img = imread(filename, IMREAD_GRAYSCALE);
+    ASSERT_FALSE(img.empty()) << "Unable to load source image " << filename;
+
+    GaussianBlur(img, img, Size(9, 9), 2, 2);
+
+    vector<Vec4f> circles;
+    declare.in(img);
+
+    TEST_CYCLE()
+    {
+        HoughCircles(img, circles, cv::HOUGH_GRADIENT, dp, minDist, edgeThreshold, accumThreshold, minRadius, maxRadius);
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+} // namespace