许十七:解决python3 使用ros中cv_bridge报错(极简+讨巧)包括解决python3 使用ros的问题 import sys import numpy as np from sensor_msgs.msg import Image def imgmsg_to_cv2(img_msg): if img_msg.encoding != "bgr8": rospy.logerr("This Coral detect node has been hardcoded to the 'bgr8' encodin...
#原使用用到关于CvBridge的 from cv_bridge import CvBridge # 创建CvBridge对象 bridge = CvBridge() # 将OpenCV图像转换为ROS图像消息 image_msg = bridge.cv2_to_imgmsg(frame, encoding="bgr8") # 将ROS图像消息转换为OpenCV图像 image_msg = bridge.imgmsg_to_cv2(frame, encoding="bgr8") 解决方案如...
cv_image = CvBridge().imgmsg_to_cv2(image_data, "bgr8") File "/home/yixiangw/gym-gazebo/gym_gazebo/envs/installation/catkin_ws/src/vision_opencv/cv_bridge/python/cv_bridge/core.py", line 163, in imgmsg_to_cv2 dtype, n_channels = self.encoding_to_dtype_with_channels(img_msg.encodin...
#coding:utf-8importcv2 #导入OpenCV库文件importnumpy as np #导入numpy矩阵计算库文件importtime #导入时间相关文件capture = cv2.VideoCapture('rtsp://admin:yhj681970@192.168.2.88:554/h264/ch1/main/av_stream') #设定摄像头(0...
(self, data):13cv_image = self.cv_bridge.imgmsg_to_cv2(data,"bgr8")14(rows, cols, channnels) =cv_image.shape15ifcols > 60androws > 60:16cv2.circle(cv_image, (50, 50), 10, 255)17cv2.imshow("Image Window", cv_image)18cv2.waitKey(3)1920if__name__=='__main__':21rospy...
(self,data):# 使用cv_bridge将ROS的图像数据转换成OpenCV的图像格式try:cv_image = self.bridge.imgmsg_to_cv2(data,"bgr8")except CvBridgeError as e:print(str(e))gray = cv2.cvtColor(cv_image, cv2.COLOR_BGR2GRAY)fac...
header.stamp = ros_ts ros_img1 = cb.cv2_to_imgmsg(frame_img1, encoding='bgr8') ros_img1.header.stamp = ros_ts bag_out.write("/cam0/image_raw", ros_img0, ros_ts) bag_out.write("/cam1/image_raw", ros_img1, ros_ts) bag_out.close()...