# [Ubuntu 18.04][Anaconda3]OpenCV-4.2.0安装
编译`OpenCV`以及`OpenCV_Contrib`的`Linux`版本
## 先决条件
所需的依赖库以及编译器
```
[compiler] sudo apt-get install build-essential
[required] sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
[optional] sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev
```
## 源码
分别下载`OpenCV`和`OpenCV_Contrib`源码
```
$ mkdir openc
