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Hands-On Vision and Behavior for Self-Driving Cars

You're reading from   Hands-On Vision and Behavior for Self-Driving Cars Explore visual perception, lane detection, and object classification with Python 3 and OpenCV 4

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Product type Paperback
Published in Oct 2020
Publisher Packt
ISBN-13 9781800203587
Length 374 pages
Edition 1st Edition
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Authors (2):
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Krishtof Korda Krishtof Korda
Author Profile Icon Krishtof Korda
Krishtof Korda
Luca Venturi Luca Venturi
Author Profile Icon Luca Venturi
Luca Venturi
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: OpenCV and Sensors and Signals
2. Chapter 1: OpenCV Basics and Camera Calibration FREE CHAPTER 3. Chapter 2: Understanding and Working with Signals 4. Chapter 3: Lane Detection 5. Section 2: Improving How the Self-Driving Car Works with Deep Learning and Neural Networks
6. Chapter 4: Deep Learning with Neural Networks 7. Chapter 5: Deep Learning Workflow 8. Chapter 6: Improving Your Neural Network 9. Chapter 7: Detecting Pedestrians and Traffic Lights 10. Chapter 8: Behavioral Cloning 11. Chapter 9: Semantic Segmentation 12. Section 3: Mapping and Controls
13. Chapter 10: Steering, Throttle, and Brake Control 14. Chapter 11: Mapping Our Environments 15. Assessments 16. Other Books You May Enjoy

Summary

In this chapter, we went through many interesting topics.

We started by describing DAVE-2, an experiment of Nvidia with the goal to demonstrate that a neural network can learn how to drive on a road, and we decided to replicate the same experiment but on a much smaller scale. First, we collected the image from Carla, taking care of recording not only the main camera but also two additional side cameras, to teach the network how to correct errors.

Then, we created our neural network, copying the architecture of DAVE-2, and we trained it for regression, which requires some changes compared to the other training that we did so far. We learned how to generate saliency maps and get a better understanding of where the neural network is focusing its attention. Then, we integrated with Carla and used the network to self-drive the car!

At the end, we learned how to train a neural network using Python generators, and we discussed how this can be used to achieve more sophisticated...

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