Repository for OpenCV's extra modules
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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, ::