上级目录表示方法:
…/

#include <vector>
#include <stdio.h>
#include<opencv2/opencv.hpp>
using namespace cv;
using namespace std;


int main()
{
	Mat Img = imread("../picture/pic.jpg");
	imshow("原图",Img);
	Mat element = getStructuringElement(MORPH_RECT, Size(15, 15));
	Mat dstImage;
	erode(Img, dstImage, element);
	imshow("腐蚀图1", dstImage);

	element = getStructuringElement(MORPH_RECT, Size(2, 2));
	erode(Img, dstImage, element);
	imshow("腐蚀图2", dstImage);
	waitKey(0);

	return 0;
}

Size越大(图左),腐蚀越强烈

OpenCV图像腐蚀_#include