c++ - OpenCV flann.h 断言错误

Question

我写了一个程序来匹配两张图片。这是代码。但如果我使用 BruteForceMatcher>(不是 flann)，它就可以工作。

#include <stdio.h>
#include "opencv2/core/core.hpp"
#include "opencv2/features2d/features2d.hpp"
#include "opencv2/highgui/highgui.hpp"

using namespace cv;

void help()
{
    printf("\nThis program demonstrates using features2d detector, descriptor extractor and simple matcher\n"
    "Using the SURF desriptor:\n"
    "\n"
    "Usage:\n matcher_simple <image1> <image2>\n");
}

int main()
{

    Mat img1 = imread("C:\\Users\\Hayk\\Desktop\\source1.bmp", CV_LOAD_IMAGE_GRAYSCALE);
    Mat img2 = imread("C:\\Users\\Hayk\\Desktop\\source2.bmp", CV_LOAD_IMAGE_GRAYSCALE);
    if(img1.empty() || img2.empty())
    {
        printf("Can't read one of the images\n");
        return -1;
    }

    // detecting keypoints
    SurfFeatureDetector detector(6000);
    vector<KeyPoint> keypoints1, keypoints2;
    detector.detect(img1, keypoints1);
    detector.detect(img2, keypoints2);

    // computing descriptors
    SurfDescriptorExtractor extractor;
    Mat descriptors1, descriptors2;
    extractor.compute(img1, keypoints1, descriptors1);
    extractor.compute(img2, keypoints2, descriptors2);

    // matching descriptors
    FlannBasedMatcher matcher;
    vector<DMatch> matches;
    matcher.match(descriptors1, descriptors2, matches);

    // drawing the results
    namedWindow("matches", 1);
    Mat img_matches;
    drawMatches(img1, keypoints1, img2, keypoints2, matches, img_matches);
    imshow("matches", img_matches);
    waitKey(0);

    return 0;
} 

运行程序后出现这个错误

OpenCV Error: Assertion failed (dataset.type() == CvType<T>::type()) in unknown
function, file c:\Users\vp\work\ocv\opencv\modules\features2d\..\flann\include\o
pencv2/flann/flann.hpp, line 105

谁能告诉我我做错了什么？

Answer 1

您的代码在带有 OpenCV 2.3.1a 的 Linux 上运行良好。

我在使用 C++ OpenCV 的 Windows 接口(interface)时遇到了几个问题。当我必须使用 Windows 时，我使用 C 接口(interface)。