# install_open_cv

**Repository Path**: toumaa/install_open_cv

## Basic Information

- **Project Name**: install_open_cv
- **Description**: 12131231221312
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2023-09-07
- **Last Updated**: 2023-09-07

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# 如何安装opencv （基于ubuntu22.04）

#### 1.从官网下载opencv源代码

由于某些原因，国内下载较慢，可以到 [这里下载](https://www.raoyunsoft.com/opencv/)
下载完成后放入 *~/cpp/opencv*

#### 2.更新apt

在终端中输入以下命令
```shell
sudo apt update
```
#### 3.安装依赖包
```shell
sudo apt install build-essential cmake git pkg-config
sudo apt install libjpeg-dev libtiff5-dev libpng-dev
sudo apt install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libxvidcore-dev libx264-dev
sudo apt install libgtk-3-dev
sudo apt install libatlas-base-dev gfortran
sudo apt install libopencv-dev
sudo apt install -y cmake-qt-gui
```
#### 4.配置opencv,cmake
```shell
cd ~/cpp/opencv
mkdir build
cd build
sudo cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local/opencv ..

sudo make -j8 #注意，这里j后面不一定跟8,8表示线程数，数字越大越快，根据电脑性能调整
```
#### 5.安装opencv
```shell
sudo make install
```
#### 6.环境配置
```shell
sudo vim /etc/ld.so.conf.d/opencv.conf
// 在vim中将下面这行输入文件，保存退出（：wq）
/usr/local/opencv/lib   
//接着添加环境变量
sudo vim /etc/profile
//在vim中加入下面两行
export PKG_CONFIG_PATH=/usr/local/opencv/lib/pkgconfig:$PKG_CONFIG_PATH
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/opencv/lib
//最后，在终端中更新环境变量
source /etc/profile
```
**完成！！**