14끝

ch14/keypoints/main.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+#include "opencv2/opencv.hpp"
+
+using namespace std;
+using namespace cv;
+
+int main() {
+	Mat src = imread("../../resources/images/box_in_scene.png", IMREAD_GRAYSCALE);
+
+	Ptr<Feature2D> feature = ORB::create();
+
+	vector<KeyPoint> keypoints;
+	feature->detect(src, keypoints);
+
+	Mat desc;
+	feature->compute(src, keypoints, desc);
+
+	cout << "keypoints.size(): " << keypoints.size() << endl;
+	cout << "desc.size(): " << desc.size() << endl;
+
+	Mat dst;
+	drawKeypoints(src, keypoints, dst, Scalar::all(-1), DrawMatchesFlags::DRAW_RICH_KEYPOINTS);
+
+	imshow("src", src);
+	imshow("dst", dst);
+
+	waitKey(0);
+	destroyAllWindows();
+}