凸包(convex hull)
概念:
Graham扫描算法:
API:
#include <opencv2/opencv.hpp>
#include <iostream>
#include <math.h>
#include <opencv2/highgui/highgui.hpp>
using namespace std;
using namespace cv;
Mat src, src_gray, dst;
int threshold_value = 100;
int threshold_max = 255;
const char* output_win = "convex hull demo";
void Threshold_Callb