OpenCV:对imread()的未定义引用

Question

我在Eclipse Mars中配置了OpenCV 3.1.0.这些是我的配置,

G ++包括:D:/ opencv/build/install/include; GCC包括:D:/ opencv/build/install/include

链接库:libopencv_core310,libopencv_highgui310

链接器库路径:D:/ opencv/build/lib(此目录中的文件类似于libopencv_core310.dll.a)

我收到这样的错误,

imageRead.cpp:15: undefined reference to `cv::imread(cv::String const&, int)'

这是我的imageRead.cpp文件,

#include <iostream>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"

using namespace std;
using namespace cv;

int main(int argc, const char** argv) {
    Mat img = imread("D:/sample.jpg", CV_LOAD_IMAGE_UNCHANGED);
    if (img.empty()) {
        cout << "Error: Image cannot be loaded." << endl;
        system("pause");
        return -1;
    }
    namedWindow("Image Window", CV_WINDOW_AUTOSIZE);
    imshow("Image Window", img);
    if (waitKey() == 27) {
        return -1;
    }
    destroyWindow("Image Window");
    return 0;
}

有人可以帮忙解决这个错误吗？

Answer 1

从OpenCV3开始,imread函数驻留在imgcodecs模块中.将opencv_imgcodecs库添加到项目后,Imread应该可以工作(注意:imgcodecs,而不是imcodecs).

Answer 2

我建议链接以下库:

opencv_core
opencv_highgui
opencv_imgproc
opencv_imgcodecs

在.cpp文件中,您可以包含这样的内容

    #include <iostream>
    #include <opencv2/core/core.hpp>
    #include <opencv2/highgui/highgui.hpp>
    #include <opencv2/imgproc/imgproc.hpp>

    using namespace std;
    using namespace cv;

要么

    #include <iostream>
    #include <opencv2/opencv.hpp>

    using namespace std;
    using namespace cv;