6주차 수업 끝

ch07/sharpen/main.cpp

@@ -0,0 +1,31 @@
+#include <iostream>
+#include "opencv2/opencv.hpp"
+
+using namespace std;
+using namespace cv;
+
+void unsharp_mask() {
+	Mat src = imread("..\\..\\resources\\images\\rose.bmp", IMREAD_GRAYSCALE);
+
+	imshow("src", src);
+
+	for (int sigma = 1; sigma <= 5; sigma++) {
+		Mat blurred;
+		GaussianBlur(src, blurred, Size(), (double)sigma);
+
+		constexpr float alpha = 1.f;
+		Mat dst = (1 + alpha) * src - alpha * blurred;
+
+		string text = format("sigma = %d", sigma);
+		putText(dst, text, Point(10, 30), FONT_HERSHEY_SIMPLEX, 1.0, Scalar(255), 1, LINE_AA);
+
+		imshow(text, dst);
+		waitKey(0);
+	}
+	destroyAllWindows();
+}
+
+int main() {
+	unsharp_mask();
+	return EXIT_SUCCESS;
+}