安裝opencv以及Qt。
打開QtCreator創建工程,在pro文件中添加如下:
INCLUDEPATH += /usr/local/include \
/usr/local/include/opencv4 \
/usr/local/include/opencv4/opencv2
配置opencv
sudo sh -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
sudo ldconfig
然後就可以在qt中調用opencv了。