Can ARKit distinguish real world face from picture face?

[malhobayyeb]

I am using the ARKit to detect face with depthData.

However, I am not able to distinguish whether this face is a real world person or a picture placed in front of the device camera.

[wolterlw]

using depthData it should be trivial to see the difference. A picture is a flat object, while a real face is not.

[csarigumba]

Hey, I'm also trying to implement this feature.
How can we check using the depth data if it is a real face or from a picture face?