Windows上Qt配置OpenCV的详细教程(避坑必看)

msvc:
C:\OpenCV_s\opencv_vc\opencv\build\bin
C:\OpenCV_s\opencv_vc\opencv\build\x64\vc15\bin
C:\OpenCV_s\opencv_vc\opencv\build\x64\vc15\lib
mingw:
C:\OpenCV_s\OpenCV-MinGW-Build-OpenCV-3.4.8-x64\x64\mingw\bin

INCLUDEPATH +=C:\OpenCV_s\opencv_vc\opencv\build\include\
              C:\OpenCV_s\opencv_vc\opencv\build\include\opencv\
              C:\OpenCV_s\opencv_vc\opencv\build\include\opencv2

LIBS +=C:\OpenCV_s\opencv_vc\opencv\build\x64\vc15\lib\opencv_world3414.lib 
或 C:\OpenCV_s\opencv_vc\opencv\build\x64\vc15\lib\opencv_world3414d.lib
注意: opencv_world3414d.lib 为debug版,opencv_world3414.lib为release版

INCLUDEPATH += C:/OpenCV_s/opencv_vc/opencv/build/include

Debug: {
    LIBS += -lC:/OpenCV_s/opencv_vc/opencv/build/x64/vc15/lib/opencv_world3414d
}

Release: {
    LIBS += -lC:/OpenCV_s/opencv_vc/opencv/build/x64/vc15/lib/opencv_world3414
}

include(C:\OpenCV_s\opencv.pri)

#include <QCoreApplication>
#include "opencv2/opencv.hpp"
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    using namespace cv;

    Mat image=imread("C:/test/1.jpeg");//改成自己图片的路径,注意使用的是'/'
    imshow("Output",image);
    return a.exec();
}