INCLUDEPATH += E:/software/opencv-3.4.2/build/install/include/opencv \ E:/software/opencv-3.4.2/build/install/include/opencv2 \ E:/software/opencv-3.4.2/build/install/include LIBS += -L E:/software/opencv-3.4.2/build/install/x86/mingw/bin/libopencv_*.dll