配置完opencv后,想着试一下show一张图片
结果:
undefined reference to “imread(…)”
undefined reference to “imimshow(…)”
undefined reference to “waitKey(…)”
…
可是我已经在.pro文件里面添加了INCLUDEPATH += …和LIBS += …
我想一定是这里面出了问题,要么是路径有问题,要们是有些库没添加进去(lib是我手动添加的),看网上说,这种问题一般是opencv_imgcodecs库没写进去,可是我查看了一下,在里面呢。
最后,我在网上找问题的时候无意中看到了一篇文章
INCLUDEPATH += D:/opencv3.2_mingw5.3.0/include\
D:/opencv3.2_mingw5.3.0/include/opencv\
D:/opencv3.2_mingw5.3.0/include/opencv2
LIBS += D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_core320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_highgui320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_ml320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_imgproc320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_imgcodecs320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_stitching320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_calib3d320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_features2d320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_flann320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_video320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_objdetect320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_videoio320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_photo320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_shape320.dll.a\
D:/opencv3.2_mingw5.3.0/x86/mingw/lib/libopencv_superres320.dll.a\
我才猛然意识到问题出在哪儿,请看:
然后另一种写法是老老实实在每一行都加上"INCLUDEPATH +=”、“LIBS +=”
最后,整整花了3天时间在Qt配置OpenCV,终于show出了图片
F_U_C_K_Q_T