© Lee Englestone 2021
L. Englestone.NET Developer's Guide to Augmented Reality in iOS https://doi.org/10.1007/978-1-4842-6770-7_11

11. Face Tracking and Expression Detection

Lee Englestone1  
Offerton, UK

Just in case you thought that the built-in Augmented Reality functionality that ARKit has to offer wasn’t amazing enough, you won’t believe what you can do with face tracking and facial expression detection. By using the front-facing camera, it can track multiple faces and even the expressions on them.

Tracking Faces

Out of the box ARKit gives us the ability to track up to three different faces in a scene. To be clear, that means detecting faces and following them around the scene.

Please note that without additional coding, ARKit cannot recognize ...

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