Sending image over ros

   1 from cv_bridge import CvBridge
   2 bridge = CvBridge()
   3 image_message = bridge.cv2_to_imgmsg(cv_image, encoding="passthrough")

  # we can turn on an terminal and ros to see the result
  rosrun image_view imageiew image:=/imagetimer  # imagetimer, topic when public infor

Source: wiki.ros.org

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