52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
#include <iostream>
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#include "opencv2/opencv.hpp"
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using namespace std;
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using namespace cv;
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void noise_gaussian() {
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Mat src = imread("..\\..\\resources\\images\\lenna.bmp", IMREAD_GRAYSCALE);
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imshow("src", src);
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for (int stddev = 10; stddev <= 100; stddev+=10) {
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Mat noise(src.size(), CV_32SC1);
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randn(noise, 0, stddev);
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Mat dst;
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add(src, noise, dst, Mat(), CV_8U);
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string text = format("stddev = %d", stddev);
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putText(dst, text, Point(10, 30), FONT_HERSHEY_SIMPLEX, 1.0, Scalar(255), 1, LINE_AA);
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imshow(text, dst);
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waitKey(0);
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}
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destroyAllWindows();
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}
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void filter_bilateral() {
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Mat src = imread("..\\..\\resources\\images\\lenna.bmp", IMREAD_GRAYSCALE);
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Mat noise(src.size(), CV_32SC1);
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randn(noise, 0, 5);
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add(src, noise, src, Mat(), CV_8U);
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Mat dst1;
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GaussianBlur(src, dst1, Size(), 5);
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Mat dst2;
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bilateralFilter(src, dst2, -1, 10, 5);
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imshow("src", src);
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imshow("dst1", dst1);
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imshow("dst2", dst2);
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waitKey(0);
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destroyAllWindows();
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}
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int main() {
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filter_bilateral();
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return EXIT_SUCCESS;
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} |