凸包介绍
代码
#include <opencv2/opencv.hpp>
#include <iostream>
using namespace cv;
using namespace std;
RNG rng(1);
#define MAX_POINTS 50 //最大点数
int num_points =20; //默认点数
void ConvexHull_CallBack(int, void*); //回调函数
const char* image_window = "image";
int main(void)
{
namedWindow(image_window, cv::WINDOW_AUTOSIZE);
createTrackbar("num of poins:", image_window, &n