ubuntu 20.04 安装ORB_SLAM3

在Ubuntu 20.04上安装ORB_SLAM3的步骤如下：

1. 打开终端，并执行以下指令来安装依赖项：

   sudo apt-get install libglew-dev doxygen
   sudo apt-get install libboost-dev libboost-thread-dev libboost-filesystem-dev
   sudo apt-get install ffmpeg libavcodec-dev libavutil-dev libavformat-dev libswscale-dev
   sudo apt-get install libpng-dev

2. 从ORB_SLAM3官网下载稳定版本V0.6（请避免使用master版本，因为它可能与其他库发生冲突）。

3. 解压缩下载的文件，进入解压后的目录：

   cd Orb_SLAM3

4. 在终端中执行以下指令编译ORB_SLAM3：

   chmod +x build.sh
   ./build.sh

5. 安装realsense2库（可选）：

   # 注册public key
   sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key F6E65AC044F831AC80A06380C8B3A55A6F3EFCDE || sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-key F6E65AC044F831AC80A06380C8B3A55A6F3EFCDE
   
   # 添加apt源
   sudo add-apt-repository "deb https://librealsense.intel.com/Debian/apt-repo $(lsb_release -cs) main" -u
   
   # 安装
   sudo apt install librealsense2-dkms librealsense2-utils librealsense2-dev

完成以上步骤后，ORB_SLAM3将成功安装在Ubuntu 20.04上。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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