December 2016
Beginner to intermediate
468 pages
9h 43m
English
book
Effective Robotics Programming with ROS - Third Edition
by Luis Sanchez, Enrique Fernandez Perdomo, Anil Mahtani
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Visualizing the camera input images with rqt_image_view
In Chapter 3, Visualization and Debugging Tools, we explained how to visualize any image published in the ROS framework by using the image_view node of the image_view package or rqt_image_view. The following code encapsulates this discussion:
$ rosrun image_view image_view image:=/camera/image_raw
What is important here is the fact that by using the image transport, we can select different topics for viewing images using compressed formats if required. Also, in the case of stereo vision, as we will see later, we can use rqt rviz to see the point cloud obtained with the disparity image.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.