opencv3.3.1+vs2015+c++实现直接在图像上画掩码，保存掩码图片

#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
#include <iostream> // for standard I/O
#include <string>   // for strings
#include <iomanip>  // for controlling float print precision
#include <sstream>  // string to number conversion
using namespace  cv;
using namespace  std;#include "opencv2\imgproc\