根据你的ROS2发行版(例如Humble),使用以下命令安装cv_bridge: bash sudo apt-get install ros-<ros2_distro>-cv-bridge 将<ros2_distro>替换为你的ROS2发行版名称,例如humble。 4. 配置环境以确保cv_bridge能够在ROS2环境中正常运行 安装完成后,你需要确保你的ROS2工作空间已经正确配置。通常...
python下由于ros一般自带cv_bridge,系统同样自带cv2,处理起来比较简单,当摄像机采出的图像以rostopic发布时,可以用以下代码进行测试: 1importrospy2fromsensor_msgs.msgimportImage3importcv24fromcv_bridgeimportCvBridge, CvBridgeError56classImage_Receiver:7def__init__(self):8rospy.Subscriber('/camera/rgb/image...
单独重新安装cv_bridge库 //下载对应版本的cv_bridge包(我安装的foxy)$ gitclonehttps://github.com/ros-perception/vision_opencv.git -b foxy //进入cv_bridge目录,//修改CMakeLists.txt文件的opencv版本号,//改成自己本地安装的版本find_package(OpenCV4QUIET // 改成find_package(OpenCV5QUIET, 如果是4....
一、首先进行cv_bridge的编译 因为原来系统自带的cv_bridge只能在python2下使用,所以这里需要python3编译一下cv_bridge。 1、首先进入系统真正的空间中:打开一个新的终端,最好运行一下 source deactivate 1. 2、首先进入python3的环境并安装相关依赖包 sudo apt-get install python-catkin-tools python3-dev python...
from cv_bridge import CvBridge from sensor_msgs.msg import Image import cv2 class CameraPubNode(Node): def __init__(self, name): super().__init__(name) self.pub = self.create_publisher(Image, 'image_raw', 10) self.timer = self.create_timer(0.5, self.timer_callback) ...
/* 这是一个ROS和OpenCV的格式转换回调函数,将图象格式从sensor_msgs/Image ---> cv::Mat */ voidconvert_callback(const& msg) { // 声明一个CvImage指针的实例 try { =cv_bridge::toCvCopy(msg, sensor_msgs::image_encodings::RGB8); //将ROS消息中的图象信息提取,生成新cv类型的图象,复制给CvIm...
self.cv_bridge = CvBridge() # 创建一个图像转换对象,用于OpenCV图像与ROS的图像消息的互相转换 self.srv = self.create_service(GetObjectPosition, # 创建服务器对象(接口类型、服务名、服务器回调函数) 'get_target_position', self.object_position_callback) ...
from cv_bridgeimportCvBridge # Package to convert betweenROSand OpenCV Imagesimportcv2 # OpenCV libraryclassImagePublisher(Node):""" Create an ImagePublisherclass,which is a subclassofthe Nodeclass.""" def__init__(self):""" Class constructor tosetup the node""" ...
cv_bridge 选择3.0.2 知乎:解决cv_bridge和opencv之间版本匹配问题写的还不错 https://github.com/ros-perception/vision_opencv/tree/ros2/cv_bridge手动编译cv-bridge, 报错 CMake Error at CMakeLists.txt:4 (find_package): By not providing "Findament_cmake_python.cmake" in CMAKE_MODULE_PATH this...
importrclpyimportcv2importcv_bridgeimportnumpy as npfrom rclpy.nodeimportNodefrom sensor_msgs.msgimportImage classColorDetection(Node):def __init__(self):super().__init__('color_detection')self.bridge= cv_bridge.CvBridge()self.image_sub = self.create_subscription(Image...