Question

Which technology involves projecting artificial light onto a real-world physical surface

Answer 1

Answer:

Projection based augmented reality works by projecting artificial light onto real world surfaces. Projection based augmented reality applications allow for human interaction by sending light onto a real world surface and then sensing the human interaction (ex. touch) of that projected light.

Answer 2

Answer:

Projection Based AR: This involves projecting interactive artificial light on real physical objects and surfaces, for example, a digital keyboard projected on your desk. It could also include projecting 3D interactive holograms in the air.