This new gadget comes directly from Fujitsu Laboratories. They developed what seems to be the next generation of user interface! It can accurately detect the operator's fingers and hand, and can react to certain movements and gestures. A projector from above projects info about the scanned objects underneath.
To detect touch accurately, the system needs to detect fingertip height accurately. In particular, with the low-resolution camera used here (320 x 180), if fingertip detection is off by a single pixel, the height changes by 1 cm. So, the system requires technology for recognizing fingertips with high precision.