Tag Archives: usb cam

How to use a calibrated camera in ROS

In my previous tutorial I showed you how to calibrate a camera with ROS. In this tutorial, I’m gonna show you how to rectify the images from coming from your camera.

First, open your text editor and paste the following text into it:

make the necessary changes and save it under usb_cam_stream_publisher.launch

Now run it:

Open another text document and paste the following into it:

save it under image_proc.launch. Now run it:

The codes are available on my Github