Introducing the problem statement

We want to develop two applications. One application will recognize human faces, and the other will recognize the emotion of the human faces. We will discuss both of them in this section. We will look at what exactly we want to develop.

Face recognition application

This application should basically identify human faces from an image or a real-time video stream. Refer to the following photo; it will help you understand what I mean by identifying faces from an image or a real-time video stream:

Figure 10.1: Demo output for understanding the face recognition application

Images source: https://unsplash.com/photos/Q13lggdvtVY

As you can see in the preceding figure (Figure 10.1), when we provide any image as the input, in the first step, the machine can recognize the number of human faces present in the image. As the output, we can get cropped images of the faces.

Beyond this, I also want the application to identify the name of the person based on the face. I think...