October 2015
Intermediate to advanced
230 pages
5h 10m
English
Content preview from OpenCV with Python BlueprintsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 6. Learning to Recognize Traffic Signs
The goal of this chapter is to train a multiclass classifier to recognize traffic signs. In this chapter, we will cover the following topics:
- Supervised learning concepts
- The German Traffic Sign Recognition Benchmark (GTSRB) dataset feature extraction
- Support vector machines (SVMs)
We have previously studied how to describe objects by means of keypoints and features, and how to find the correspondence points in two different images of the same physical object. However, our previous approaches were rather limited when it comes to recognizing objects in real-world settings and assigning them to conceptual categories. For example, in Chapter 2, Hand Gesture Recognition Using a Kinect Depth Sensor, the required ...
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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.