December 2019
Intermediate to advanced
456 pages
11h 33m
English
Content preview from ROS Robotics Projects - Second Edition
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Working with the face-tracking ROS package
We have already created or copied the face_tracker_pkg package to the workspace and have discussed some of its important dependencies. Now, we are going to discuss what this package does exactly!
This package consists of an ROS node called face_tracker_node, which can track faces using OpenCV APIs and publish the centroid of the face to a topic. Here is a block diagram of the workings of face_tracker_node:
Block diagram of face_tracker_node
Let's discuss the things connected to face_tracker_node. One of the sections that may be unfamiliar to you is the face Haar classifier:
- The face haar classifier ...
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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.