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Raspberry Pi Computer Vision Programming

You're reading from   Raspberry Pi Computer Vision Programming Design and implement computer vision applications with Raspberry Pi, OpenCV, and Python 3

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Product type Paperback
Published in Jun 2020
Publisher Packt
ISBN-13 9781800207219
Length 306 pages
Edition 2nd Edition
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Author (1):
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Ashwin Pajankar Ashwin Pajankar
Author Profile Icon Ashwin Pajankar
Ashwin Pajankar
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Table of Contents (15) Chapters Close

Preface 1. Chapter 1: Introduction to Computer Vision and the Raspberry Pi 2. Chapter 2: Preparing the Raspberry Pi for Computer Vision FREE CHAPTER 3. Chapter 3: Introduction to Python Programming 4. Chapter 4: Getting Started with Computer Vision 5. Chapter 5: Basics of Image Processing 6. Chapter 6: Colorspaces, Transformations, and Thresholding 7. Chapter 7: Let's Make Some Noise 8. Chapter 8: High-Pass Filters and Feature Detection 9. Chapter 9: Image Restoration, Segmentation, and Depth Maps 10. Chapter 10: Histograms, Contours, and Morphological Transformations 11. Chapter 11: Real-Life Applications of Computer Vision 12. Chapter 12: Working with Mahotas and Jupyter 13. Chapter 13: Appendix 14. Other Books You May Enjoy

Updating the RPi

Advanced Package Tool (APT) is a package management utility in Debian, Ubuntu, Raspbian, and their derivatives. APT is used to install, upgrade, and remove software. We will learn how to use it to update the OS and the software on the RPi board.

Run the following command:

sudo apt-get update

This command synchronizes the package list from the online source repository of software. Indexes of all the packages are refreshed. This updates all the repositories of the apps to all the latest update lists. This command must be executed before we execute the upgrade command.

Then, run the following command:

sudo apt-get dist-upgrade –fix-missing -y

This downloads and installs all the packages. It also removes obsolete packages. Depending on the speed of the internet, it takes some time. Finally, update the firmware by running the following command:

sudo rpi-update

This will update the firmware. Following this, the RPi board will be up to date in all aspects.

Finally, we can run the following command to shut down the RPi:

sudo shutdown -h now

And the following command reboots it:

sudo reboot

This will update the firmware. Following this, the RPi board will be up to date in all aspects.

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