If (honestly I've no idea) we can produce cameras that have a higher FPS than the display's refresh rate (or resolution), then we'd be able to detect that. A s

If (honestly I've no idea) we can produce cameras that have a higher FPS than the display's refresh rate (or resolution), then we'd be able to detect that. A simpler detection mechanism would be to use stereoscopic (or rather real depth detection) cameras though.