surf算法运行完成后系统报错，麻烦大家帮忙看一下

yj1995

#include "highgui/highgui.hpp"   
#include "opencv2/nonfree/nonfree.hpp"   
#include "opencv2/legacy/legacy.hpp"   
#include <iostream>  

using namespace cv;
using namespace std;


int main()
{

        Mat image01 = imread("D://img3.jpg", 1);
        Mat image02 = imread("D://img4.jpg", 1);
        imshow("p2", image01);
        imshow("p1", image02);

        //灰度图转换  
        Mat image1, image2;
        cvtColor(image01, image1, CV_RGB2GRAY);
        cvtColor(image02, image2, CV_RGB2GRAY);


        //提取特征点   
        SurfFeatureDetector surfDetector(2000);  // 海塞矩阵阈值，在这里调整精度，值越大点越少，越精准
        vector<KeyPoint> keyPoint1, keyPoint2;
        surfDetector.detect(image1, keyPoint1);
        surfDetector.detect(image2, keyPoint2);

        //特征点描述，为下边的特征点匹配做准备   
        SurfDescriptorExtractor SurfDescriptor;
        Mat imageDesc1, imageDesc2;
        SurfDescriptor.compute(image1, keyPoint1, imageDesc1);
        SurfDescriptor.compute(image2, keyPoint2, imageDesc2);

        FlannBasedMatcher matcher;
        vector<vector<DMatch> > matchePoints;
        vector<DMatch> GoodMatchePoints;

        vector<Mat> train_desc(1, imageDesc1);
        matcher.add(train_desc);
        matcher.train();

        matcher.knnMatch(imageDesc2, matchePoints, 2);
        cout << "total match points: " << matchePoints.size() << endl;

        // Lowe's algorithm,获取优秀匹配点
        for (int i = 0; i < matchePoints.size(); i++)
        {
                if (matchePoints[i][0].distance < 0.6 * matchePoints[i][1].distance)
                {
                        GoodMatchePoints.push_back(matchePoints[i][0]);
                }
        }

        Mat first_match;
        drawMatches(image02, keyPoint2, image01, keyPoint1, GoodMatchePoints, first_match);
        imshow("first_match ", first_match);
        waitKey();
        return 0;
}

yj1995

D:\22.jpg

yj1995

D:\\22.jpg

yj1995

唉，不知道怎么上传图片，我打上去好了
expressiong :is _block_type_vaild(header->_block_use),我大概找到发生这个问题的是   matcher.knnMatch(imageDesc2, matchePoints, 2);这句话，网上搜了好久都没找到什么原因