In this chapter, we will create an application that will allow us to add an overlay over a person's head. If this application sounds familiar, that is because there are many applications that are on the market that do just this, and today, you will learn how to do so as well.

In this chapter, you will learn about the following:

• OpenCV
• Setting up OpenCV
• Incorporating OpenCV into Unity
• Creating a prototype project using OpenCV and Unity