手把手教你实现ROS Melodic+Realsense D435i_ubuntu18.04 release435i 落体偏东

硬件配置：HP ProDesk 480 G6 MT
系统内存：8G
处理器：Intel i7-8700 CPU
操作系统：Ubuntu 18.04
相机配置：Intel Realsense D435i
创建的ROS工作空间：catkin_ws

一、安装Intel Realsense SDK
1、注册服务器的公钥

sudo apt-key adv --keyserver keys.gnupg.net --recv-key F6E65AC044F831AC80A06380C8B3A55A6F3EFCDE || sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-key F6E65AC044F831AC80A06380C8B3A55A6F3EFCDE
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2、将服务器添加到存储库列表中

sudo add-apt-repository "deb http://realsense-hw-public.s3.amazonaws.com/Debian/apt-repo bionic main" -u
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3、安装库

sudo apt-get install librealsense2-dkms
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sudo apt-get install librealsense2-utils
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4、安装可选的开发人员和调试包

sudo apt-get install librealsense2-dev
sudo apt-get install librealsense2-dbg
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二、安装ROS Wrapper for Intel RealSense
1、安装相机相关驱动

sudo apt-get install ros-melodic-realsense2-camera
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2、进入ros工作空间

cd ~/catkin_ws/src/
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3、克隆最新的英特尔RealSense ROS

git clone https://github.com/IntelRealSense/realsense-ros.git
cd realsense-ros/
git checkout `git tag | sort -V | grep -P "^\d+\.\d+\.\d+" | tail -1`
cd ..
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4、确保安装了所有相关的ros包

sudo apt install ros-melodic-cv-bridge ros-melodic-image-transport ros-melodic-tf ros-melodic-diagnostic-updater ros-melodic-ddynamic-reconfigure
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4、回到工作空间根目录，编译工作空间，修改环境变量

cd ..
catkin_make -DCATKIN_ENABLE_TESTING=False -DCMAKE_BUILD_TYPE=Release
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catkin_make install
echo source $(pwd)/devel/setup.bash >> ~/.bashrc
source ~/.bashrc
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5、通过usb连接相机到电脑，检验是否能在ros使用realsense相机

sudo apt install ros-melodic-rgbd-launch
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roslaunch realsense2_camera rs_rgbd.launch
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6、查看相机发布的topic

rostopic list
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7、通过ROS的rqt_image_view或rviz工具查看相机运行状态

rqt_image_view
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rviz
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修改左上角 Displays 中 Fixed Frame 选项中，下拉菜单选择 camera_link，点击该框中的Add -> 上方点击 By topic选择要添加的功能