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File _service:obs_scm:README.md of Package image_transport_plugins
# image_transport_plugins #### 介绍 一组用于发布和订阅除原始像素数据之外的表示中的sensor_msgs/Image主题的插件。例如,为了查看机器人的图像流,视频编解码器将提供更低的带宽和延迟。对于高清晰度图像的低帧率传输,您可能更愿意将它们作为JPEG或PNG压缩形式发送。 #### 软件架构 软件架构说明 image_transport_plugins包含[image_transport](http://wiki.ros.org/image_transport)的插件,用于在压缩表示中发送[sensor_msgs/Image](http://docs.ros.org/en/api/sensor_msgs/html/msg/Image.html)主题。其内容包括: - [compressed_image_transport](http://wiki.ros.org/compressed_image_transport) 是一个提供静止图像的JPEG和PNG压缩的插件。对于低帧/不连续图像源(例如,轮询相机)或者需要无损压缩(PNG)时最有用。 - [theora_image_transport](http://wiki.ros.org/theora_image_transport) 是使用Theora视频编解码器压缩图像主题的插件。适用于实时视频源。 如果您的系统内置插件,则这些传输才会可用!在Ubuntu上,它们包含在 `ros-<distro>-image-transport-plugins`中,为每个分发。如果从源构建,则必须明确构建`image_transport_plugins` 堆栈。 文件内容: ``` image_transport_plugins/ ├── compressed_depth_image_transport │ ├── cfg │ ├── CHANGELOG.rst │ ├── CMakeLists.txt │ ├── compressed_depth_plugins.xml │ ├── include │ ├── package.xml │ ├── pax_global_header │ ├── src │ └── test ├── compressed_image_transport │ ├── cfg │ ├── CHANGELOG.rst │ ├── CMakeLists.txt │ ├── compressed_plugins.xml │ ├── include │ ├── package.xml │ ├── pax_global_header │ └── src ├── image_transport_plugins │ ├── CHANGELOG.rst │ ├── CMakeLists.txt │ ├── package.xml │ └── pax_global_header └── theora_image_transport ├── cfg ├── CHANGELOG.rst ├── CMakeLists.txt ├── include ├── msg ├── package.xml ├── src └── theora_plugins.xml ``` #### 安装教程 1. 下载RPM包 aarch64: wget https://117.78.1.88/build/home:davidhan:branches:openEuler:22.03:LTS/standard_aarch64/aarch64/ros-noetic-ros-catkin/ros-noetic-ros-image_transport_plugins-1.14.0-1.oe2203.aarch64.rpm x86_64: wget https://117.78.1.88/build/home:davidhan:branches:openEuler:22.03:LTS/standard_x86_64/x86_64/ros-noetic-ros-catkin/ros-noetic-ros-image_transport_plugins-1.14.0-1.oe2203.x86_64.rpm 2. 安装rpm包 aarch64: sudo rpm -ivh ros-noetic-ros-image_transport_plugins-1.14.0-1.oe2203.aarch64.rpm --nodeps --force x86_64: sudo rpm -ivh ros-noetic-ros-image_transport_plugins-1.14.0-1.oe2203.x86_64.rpm --nodeps --force #### 使用说明 依赖环境安装: sh /opt/ros/noetic/install_dependence.sh 安装完成以后,在/opt/ros/noetic/目录下有如下输出,则表示安装成功 输出: ``` image_transport ├── cmake.lock ├── env.sh ├── lib │ ├── image_transport │ ├── libimage_transport_plugins.so │ ├── libimage_transport.so │ └── pkgconfig ├── local_setup.bash ├── local_setup.sh ├── local_setup.zsh ├── setup.bash ├── setup.sh ├── _setup_util.py ├── setup.zsh └── share └── image_transport image_transport_plugins ├── cmake.lock ├── env.sh ├── local_setup.bash ├── local_setup.sh ├── local_setup.zsh ├── setup.bash ├── setup.sh ├── _setup_util.py └── setup.zsh ``` #### 参与贡献 1. Fork 本仓库 2. 新建 Feat_xxx 分支 3. 提交代码 4. 新建 Pull Request #### 特技 1. 使用 Readme\_XXX.md 来支持不同的语言,例如 Readme\_en.md, Readme\_zh.md 2. Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com) 3. 你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目 4. [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目,是综合评定出的优秀开源项目 5. Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help) 6. Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
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