mirror of
https://github.com/opencv/opencv.git
synced 2024-12-03 00:10:21 +08:00
47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
// 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"
|
|
|
|
namespace opencv_test { namespace {
|
|
|
|
TEST(Features2d_SIFT, descriptor_type)
|
|
{
|
|
Mat image = imread(cvtest::findDataFile("features2d/tsukuba.png"));
|
|
ASSERT_FALSE(image.empty());
|
|
|
|
Mat gray;
|
|
cvtColor(image, gray, COLOR_BGR2GRAY);
|
|
|
|
vector<KeyPoint> keypoints;
|
|
Mat descriptorsFloat, descriptorsUchar;
|
|
Ptr<SIFT> siftFloat = cv::SIFT::create(0, 3, 0.04, 10, 1.6, CV_32F);
|
|
siftFloat->detectAndCompute(gray, Mat(), keypoints, descriptorsFloat, false);
|
|
ASSERT_EQ(descriptorsFloat.type(), CV_32F) << "type mismatch";
|
|
|
|
Ptr<SIFT> siftUchar = cv::SIFT::create(0, 3, 0.04, 10, 1.6, CV_8U);
|
|
siftUchar->detectAndCompute(gray, Mat(), keypoints, descriptorsUchar, false);
|
|
ASSERT_EQ(descriptorsUchar.type(), CV_8U) << "type mismatch";
|
|
|
|
Mat descriptorsFloat2;
|
|
descriptorsUchar.assignTo(descriptorsFloat2, CV_32F);
|
|
Mat diff = descriptorsFloat != descriptorsFloat2;
|
|
ASSERT_EQ(countNonZero(diff), 0) << "descriptors are not identical";
|
|
}
|
|
|
|
TEST(Features2d_SIFT, regression_26139)
|
|
{
|
|
auto extractor = cv::SIFT::create();
|
|
cv::Mat1b image{cv::Size{300, 300}, 0};
|
|
std::vector<cv::KeyPoint> kps {
|
|
cv::KeyPoint(154.076813f, 136.160904f, 111.078636f, 216.195618f, 0.00000899323549f, 7)
|
|
};
|
|
cv::Mat descriptors;
|
|
extractor->compute(image, kps, descriptors); // we expect no memory corruption
|
|
ASSERT_EQ(descriptors.size(), Size(128, 1));
|
|
}
|
|
|
|
|
|
}} // namespace
|