vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
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+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+*/
+
+#include "test_precomp.hpp"
+
+namespace opencv_test { namespace {
+
+typedef std::tuple<bool /*useScores*/, int /*barrier*/, int /*border*/, bool /*nmsEnabled*/> Fast10TestParams;
+class Fast10Test : public ::testing::TestWithParam<Fast10TestParams> {};
+
+TEST_P(Fast10Test, accuracy)
+{
+    auto p = GetParam();
+    bool useScores  = std::get<0>(p);
+    int barrier     = std::get<1>(p);
+    int border      = std::get<2>(p);
+    bool nmsEnabled = std::get<3>(p);
+
+    cv::Mat src = imread(cvtest::findDataFile("cv/shared/baboon.png"), cv::IMREAD_GRAYSCALE);
+
+    std::vector<int> coords, scores;
+    cv::fastcv::FAST10(src, noArray(), coords, useScores ? scores : noArray(), barrier, border, nmsEnabled);
+
+    std::vector<KeyPoint> ocvKeypoints;
+    int thresh = barrier;
+    cv::FAST(src, ocvKeypoints, thresh, nmsEnabled, FastFeatureDetector::DetectorType::TYPE_9_16 );
+
+    if (useScores)
+    {
+        ASSERT_EQ(scores.size() * 2, coords.size());
+    }
+
+    Mat ptsMap(src.size(), CV_8U, Scalar(255));
+    for(size_t i = 0; i < coords.size() / 2; ++i)
+    {
+        ptsMap.at<uchar>(coords[2*i + 1], coords[2*i + 0]) = 0;
+    }
+    Mat distTrans(src.size(), CV_8U);
+    cv::distanceTransform(ptsMap, distTrans, DIST_L2, DIST_MASK_PRECISE);
+
+    Mat refPtsMap(src.size(), CV_8U, Scalar(255));
+    for(size_t i = 0; i < ocvKeypoints.size(); ++i)
+    {
+        refPtsMap.at<uchar>(ocvKeypoints[i].pt) = 0;
+    }
+    Mat refDistTrans(src.size(), CV_8U);
+    cv::distanceTransform(refPtsMap, refDistTrans, DIST_L2, DIST_MASK_PRECISE);
+
+    double normInf = cvtest::norm(refDistTrans, distTrans, cv::NORM_INF);
+    double normL2  = cvtest::norm(refDistTrans, distTrans, cv::NORM_L2)  / src.size().area();
+
+    EXPECT_LT(normInf, 129.7);
+    EXPECT_LT(normL2, 0.067);
+}
+
+INSTANTIATE_TEST_CASE_P(FastCV_Extension, Fast10Test,
+                        ::testing::Combine(::testing::Bool(),   // useScores
+                                           ::testing::Values(10, 30, 50), // barrier
+                                           ::testing::Values( 4, 10, 32), // border
+                                           ::testing::Bool() // nonmax suppression
+                                           ));
+
+}} // namespaces opencv_test, ::