OpenCV学习之路--2--Windows下安装OpenCV3.4.10及在Qt中使用OpenCV

1.首先下载好需要安装的OpenCV安装包：https://github.com/opencv/opencv/releases/tag/3.4.10

2.双击进行安装

3.找到安装目录如下

4.设置环境变量

右键“我的电脑”-->属性

在Qt中使用OpenCV

INCLUDEPATH += -LD:/opencv3.10.4/opencv/build/include/opencv\
                 D:/opencv3.10.4/include/opencv2\
                 D:/opencv3.10.4/opencv/build/include\
                 D:/opencv3.10.4/include

CONFIG(debug, debug|release) {
    LIBS += D:/opencv3.10.4\opencv\build\x64\vc15\lib/opencv_world3410d.lib
}
CONFIG(release, debug|release) {
    LIBS += D:/opencv3.10.4\opencv\build\x64\vc15\lib/opencv_world3410.lib
}