Opencv膨胀-dilate函数

#include<iostream>#include<opencv2/opencv.hpp>using namespace std;using namespace cv;Mat srcImage, dstImage;int g_nDilateValue = 0;//有滚动条事件时，可以进入回调函数void on_Trackbar(int, void *){Mat element = getStructuringElement(MORPH_RECT, Size(2 * g_nDilateValue + 1, 2 * g_nDilateValue + 1));dilate(srcImage, dstImage, element);imshow("【膨胀窗口】", dstImage);}int main(){srcImage = imread("tiger.jpg");imshow("【原图】", srcImage);dstImage.create(srcImage.size(), srcImage.type());namedWindow("【膨胀窗口】");createTrackbar("Value", "【膨胀窗口】", &g_nDilateValue, 100, on_Trackbar);on_Trackbar(g_nDilateValue, 0);waitKey(0);return 0;}