In the previous chapter, you learned about Core ML, which lets you use machine learning models in your apps. However, iOS also offers another form of artificial intelligence that doesn’t require finding and adding a trained machine learning model to your app. Instead, you can simply use the Vision framework that can recognize objects in pictures such as faces or text.
At the simplest level, facial recognition can identify the number of faces in a picture and also draw rectangles in an image to show exactly all the faces the app recognized. On a more advanced level, ...
