opencv__膨脹與腐蝕操作

#include<opencv2\opencv.hpp>
#include<highgui.h>
#include<iostream>
using namespace std;
using namespace cv;
Mat src, dst;
int element_size = 3;
int max_size = 21;

void CallBack_Demo(int element_size, void*);
int main(int argc, char** argv)
{
	// read image
	src = imread("C:/Users/qxq/Pictures/image/1.jpg");

	if (src.empty())
	{
		printf("Could not load image...");
		return -1;
	}
	namedWindow("output", CV_WINDOW_AUTOSIZE);
	//界面處理，出現閾值滾動條
	createTrackbar("Element Size:", "output", &element_size, max_size, CallBack_Demo);
	
	CallBack_Demo(0,0);
	imshow("input", src);


	waitKey(0);
	return 0;
}

void CallBack_Demo(int , void*)
{
	int s = element_size * 2 + 1;
	Mat structureElement = getStructuringElement(MORPH_RECT,Size(s,s),Point(-1,-1));
	//膨脹操作
	dilate(src, dst, structureElement, Point(-1, -1));
	//腐蝕操作
	//erode(src, dst, structureElement, Point(-1, -1));
	imshow("output", dst);
}