opencv下载地址

opencv以及opencv_contrib在github上面的下载地址：

使用github clone下载

git clone https://github.com/opencv/opencv.git

cd opencv

git checkout 3.4.0

 

git clone https://github.com/opencv/opencv_contrib.git

cd opencv_contrib

git checkout 3.4.0

 

对应版本号：3.4.0（修改想要的就行）

https://github.com/opencv/opencv_contrib/tree/3.4.0

https://github.com/opencv/opencv/tree/3.4.0

最新版本号：

https://github.com/opencv/opencv_contrib/tree/master/

https://github.com/opencv/opencv/tree/master/

下载离线包：

 https://github.com/Itseez/opencv/archive/3.4.0.zip

https://github.com/Itseez/opencv_contrib/archive/3.4.0.zip

最后将opencv_contrib解压到opencv文件夹，网上教程大多是嵌套，其实可直接合并再编译。

安装参考地址：

https://www.learnopencv.com/install-opencv3-on-ubuntu/

查看文档地址：

https://www.opencv.org/releases.html