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1 vote

Camera topics visible in topic visualization, but not in `ros2 topic list` -- [Ros2, Gazebo Classic]

You stated you are using Gazebo classic. How are you starting it? You should use the gazebo_ros package to make sure gz topics are published in ros. e.g., in a ros2 launchfile: ...
gtoff's user avatar
  • 21
1 vote

Camera is not detected through pylon-ros-camera package

It appears that the ethernet and wifi cards were on the same network and for some reason interfered with pylon discovery of the devices. Once I put the ethernet card on a different network pylon was ...
theateist's user avatar
  • 121
1 vote
Accepted

LiDAR and Camera Fusion

I just managed to do it. I wrote a code specific to my configuration which projects the 3D points (x, y, z) onto the 2D plane, thus getting the pixel (u, v) whichever laid inside the image's width x ...
ra130's user avatar
  • 45
1 vote
Accepted

ROS2 Humble camera_ros camera_node gives sporadic segmentation faults. How can I fix this?

Ok, I finally got picam2 working with ROS2 Humble on Ubuntu Server 22.04.4 (64 bit). I have tried to put together a recipe that goes from a blank SD card to a working system, and eliminates all the ...
user1759557's user avatar
1 vote

Gazebo11 camera images to ROS 2

Resolution: It seems that libgazebo_ros_camera.so could not find libCameraPlugin.so When I tried with GazeboSim(Fortress) there ...
kelley's user avatar
  • 11
1 vote

Photographing an object that's moving past a stationary camera

The way this is typically solved is by having a rolling window of high-speed video data, and only the last n seconds are stored when some trigger event (such as your laser) occurs. But the concepts of ...
cst0's user avatar
  • 903
1 vote

Can't use Ignition Gazebo thermal camera plugin with gpu lidar sensor

https://github.com/gazebosim/gz-sim/issues/920. My issue was related to this. I was using UTM with hardware acceleration for Gazebo Citadel. It was causing render issues between the thermal camera and ...
robo_q's user avatar
  • 13
1 vote

Disable shadows for one camera in Gazebo Sim

I think an option could be to implement a plugin that registers a callback to the PreRender event, which retrieves the lights from the scene and disables their ...
JRTG's user avatar
  • 2,139
1 vote

Need advice on implementing ROS2 knowledge in a hardware-based autonomous robot project for navigation and object manipulation

First of all, it's important to break down your project into manageable steps, especially when dealing with hardware and sensor fusion. Here is a high-level outline of how you can approach your ...
Gaurav Gupta's user avatar
1 vote

Traffic cone detection and mapping

I recommend you to first have a thorough check of past works done by various FS teams, one such example is AMZ Driverless: The Full Autonomous Racing System: The aforementioned ground removal ...
akchobby's user avatar
  • 118
1 vote

Programatically set the camera pose in gazebo or rviz

I tried approaching this issue in two ways: using the gazebo topics and a custom visual model plugin to move the camera pose programmatically. ##1. Publishing to a Gazebo Camera Topic These are the ...
Leander Stephen D'Souza's user avatar

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