OpenCV之中值模糊

Posted 2021-08-16 MachineLP

import cv2 as cv
import numpy as np


src = cv.imread("./test.png")
cv.namedWindow("input", cv.WINDOW_AUTOSIZE)
cv.imshow("input", src)

dst = cv.medianBlur(src, 5)
cv.imshow("blur ksize=5", dst)

cv.waitKey(0)
cv.destroyAllWindows()

#include <opencv2/opencv.hpp>
#include <iostream>

using namespace cv;
using namespace std;

int main(int artc, char** argv) {
	Mat src = imread("./test.png");
	if (src.empty()) {
		printf("could not load image...\\n");
		return -1;
	}
	namedWindow("input", CV_WINDOW_AUTOSIZE);
	imshow("input", src);

	Mat dst;
	medianBlur(src, dst, 5);
	imshow("medianblur ksize=5", dst);

	waitKey(0);
	return 0;
}

中值滤波本质上是统计排序滤波器的一种，中值滤波对图像特定噪声类型（椒盐噪声）会取得比较好的去噪效果，也是常