通过摄像头采集图像进行手势检测

#include <iostream> // for standard I/O
#include <string>   // for strings
#include <iomanip>  // for controlling float print precision
#include <sstream>  // string to number conversion

#include <opencv2/imgproc/imgproc.hpp>  // Gaussian Blur
#include <opencv2/core/core.hpp>        // Basic OpenCV structures (cv::Mat, Scalar)
#include <opencv2/highgui/highgui.hpp>  // OpenCV window I/O

using namespace cv;
using namespace std;

int main(int argc, char *argv[])
{


//const std::string sourceReference = "test3.avi";
int delay = 1;



char c;
int frameNum = -1; // Frame counter

VideoCapture captRefrnc;
captRefrnc.open(0);


if ( !captRefrnc.isOpened())