How to decrease delay in Gscam camera transmission wirelessly?
Hi I have fixed a Insta 360 cam on robot. I am using GSCAM package for streaming the video footage. When i launch it and try to see the footage wireless at the control station. I am facing a huge...
View Articleget position of an object from image
my environment is gazebo 7 and ros kinetic and I work on a virtual robots project. my robot model only supports thermal camera and rgb camera (I don't have depth camera). I can detect an object in `x`...
View ArticleCreate a subscriber to an Image topic
Hi, Im trying to wrtie a node that subscribes to a image topic, however, after almost copying the ros tutorial, I keep getting an error. The relevant parts of my code are: ros::NodeHandle nh;...
View Articlecalibrating virtual camera
hi everyone. I spawn my robot model with launching robot_spawn file, it 's a sdf robot model and it has a camera that uses libgazebo_ros_openni_kinect.so driver. robot sapwns successfully and I can get...
View Articleget world coordinates from image coordinates
hi everyone, I now maybe someone asked this question before but I can't found my answer in this forum. I have a calibrated virtual single camera in gazebo8 and ROS kinetic, after applying some opencv...
View ArticleDepth Camera Plugin for Gazebo?
Which depth camera plugin is used for current versions of Gazebo (7/8)? I want something that publishes a depth image topic or a point cloud topic. I tried the Kinect plugin (from this tutorial:...
View ArticleAccess Sony XC-56 camera on Fanuc robot using ROS
Hello, I am trying to figure out how to use Fanuc's Sony camera with ROS. I am running ROS on R30iB controller and on PC I am using ROS Kinetic. The communication between the PC and the controller is...
View ArticleBest mapping technique to use with LiDAR distance sensor , camera and IMU data?
I have raspberry pi with ROS kinetic installed along with a camera, teraranger one distance sensor, and PX4 flight controller with IMU data. I want to perform mapping of an indoor environment. Do you...
View ArticleSet RViz camera/view on fuerte
Hi, I'm writing a RViz plugin which allows the user to play rosbags and record them. During playing the rosbags I would like to make it possible to do a tracking shot in the scene. Therefore I have to...
View ArticleNo camera message received with tum_simulator
I am running tum_simulator in ros kinetic ubuntu 16.04 when i run $ roslaunch cvg_sim_gazebo ardrone_testworld.launch i get the following warning, xacro: Traditional processing is deprecated. Switch to...
View Articleopenni2_launch ASUS Xtion 2 No devices connected
Hi everyone, I attempted to connect ASUS Xtion 2 with openni2.launch, but I could not. And I received the following ROS_INFO message. PARAMETERS * /camera/camera_nodelet_manager/num_worker_threads: 4 *...
View ArticleHow to Turn a Camera Down on Stageros
Hi .. I have the following robot: define roomba_cam position ( size [0.33 0.33 0.1] # this block approximates the circular shape of a Roomba block( points 16 point[0] [ 0.225 0.000 ] point[1] [ 0.208...
View ArticleRaspicam_node stops working after 30 seconds
Hi all I installed the raspicam_node plugin on a raspberry pi. The node is starting up well and is publishing the right data for around 30 seconds. Afterwards there is no data being transmitted any...
View Articlehector quadrotor camera change
I am trying to change the camera that comes with the hector_quadrotor_demo that is a front facing camera. I noticed that by using the command "roslaunch hector_quadrotor_demo...
View Articlehector quadrotor camera change
I am trying to change the camera that comes with the hector_quadrotor_demo that is a front facing camera. I noticed that by using the command "roslaunch hector_quadrotor_demo...
View ArticleHow to execute ROS commands on remote host via application?
Hello everyone, I am newbie in ROS environment and I have problem, I have a master node on my Raspberry Pi which is connected to the same local network. I communicate with RPI using SSH client like...
View ArticleHow to subcribe 2 image topics with 1 node in same time ?
**Hi buddy**, My name is Toan. I am a newbie in ROS. Now, i'm using Kinect Camera and trying to subcribe 2 image topics with 1 node. But seem like my code is wrong something. If i try to subcribe 1...
View ArticleWide angle fisheye camera for ROS
Hi, for my application, I would like to use a fish eye camera with at least 270 degree of view. Could any one recommend one with ROS (or at least C++ API) and USB support?
View Articlelidar_camera_calibration stalls
I am using the following library to try to calibrate a Velodyne LiDAR to a PiCam RGB camera: https://github.com/ankitdhall/lidar_camera_calibration. It took me a while to configure, but now everything...
View Article[ROS2] image_transport and RVIZ2 Camera, something wrong
Hi, using Rviz2 and image_transport with Crystal Clemmys I noticed that the `Camera` plugin in Rviz2 is not aligned to how `image_transport::CameraPublisher` creates the topic structure. The `Camera`...
View Article
