March 2018
Intermediate to advanced
1396 pages
42h 14m
English
book
ROS Programming: Building Powerful Robots
by Anil Mahtani, Luis Sanchez, Enrique Fernandez, Aaron Martinez, Lentin Joseph
Content preview from ROS Programming: Building Powerful Robots
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Stereo calibration
The next step consists of working with stereo cameras. One option is to run two monocular camera nodes, but in general, it is better to consider the whole stereo pair as a single sensor because the images must be synchronized. In ROS, there is no driver for FireWire stereo cameras, but we can use an extension to stereo using the following command line:
$ git clone git://github.com/srv/camera1394stereo.git
However, FireWire stereo pairs are quite expensive. For this reason, we provide a stereo camera driver for USB cameras. We use the Logitech C120 USB webcam, which is very cheap. It is also noisy, but we will see that we can do great things with it after calibration. It is important that in the stereo pair, the cameras ...
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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.