将图片轮廓内的内容保存下来

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将图片轮廓内的内容保存下来

#include "stdafx.h"#include <iostream>#include <vector>#include <string.h>#include <opencv2/highgui/highgui.hpp>#include <opencv2/imgproc/imgproc.hpp>#include <opencv2/core/core.hpp>using namespace cv;using namespace std;int main(int argc,unsigned char* argv[]) //读取视频文件{Mat srcImg;srcImg = imread("car.jpg");Mat grayImg;cvtColor(srcImg,grayImg,CV_BGR2GRAY);medianBlur(grayImg,grayImg,5);Mat threImg;threshold(grayImg,threImg,150,255,CV_THRESH_OTSU+CV_THRESH_BINARY);vector<vector<Point>> contours_set;//保存轮廓提取后的点集及拓扑关系findContours(result0,contours_set,CV_RETR_EXTERNAL,CV_CHAIN_APPROX_NONE ); Mat result(img.size(),CV_8UC1,Scalar(0));Mat img_masked;drawContours(result,contours_set,-1,Scalar(255),CV_FILLED); //画轮廓,并填充img.copyTo(img_masked, result); //将原图轮廓内的内容另外保存下来imshow("in Contours",img_masked);waitKey(10);return 0;}

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