In this chapter, you learned how to use the camera module with a Raspberry Pi to capture video as a series of frames, and process them to detect human faces using a cascade classifier, which is haarcascade_frontalface_alt.xml. You can improve this application by displaying the detected person's name, along with the highlighting rectangle, sending an email or SMS alert, or implementing a web stream to access the video through the network and display the video on a web page.
Raspberry Pi 3 Projects for Java Programmers
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Raspberry Pi 3 Projects for Java Programmers
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Overview of this book
Raspberry Pi is a small, low cost and yet very powerful development platform. It is used to interact with attached electronics by the use of it's GPIO pins for multiple use cases, mainly Home Automation and Robotics.
Our book is a project-based guide that will show you how to utilize the Raspberry Pi's GPIO with Java and how you can leverage this utilization with your knowledge of Java. You will start with installing and setting up the necessary hardware to create a seamless development platform. You will then straightaway start by building a project that will utilize light for presence detection. Next, you will program the application, capable of handling real time data using MQTT and utilize RPC to publish data to adafruit.io. Further, you will build a wireless robot on top of the zuma chassis with the Raspberry Pi as the main controller. Lastly, you will end the book with advanced projects that will help you to create a multi-purpose IoT controller along with building a security camera that will perform image capture and recognize faces with the help of notifications.
By the end of the book, you will be able to build your own real world usable projects not limited to Home Automation, IoT and/or Robotics utilizing logic, user and web interfaces.
Table of Contents (8 chapters)
Preface
Free Chapter
Setting up Your Raspberry Pi
Automatic Light Switch Using Presence Detection
A Social and Personal Digital Photo Frame
Integrating a Real-Time IoT Dashboard
Wireless Controlled Robot
Building a Multipurpose IoT Controller
Security Camera with Face Recognition
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