Microsoft Researcher demos "writing in the air" technology - Video

Microsoft's Lei Ma demonstrated a method of writing in the air, with the invisible text immediately transferring to a PC at the TechFest. A webcam captures a character when a user traces it in the air with a colored object. The computer recognizes the character and then asks the user whether it has chosen the correct one. Lei […]

Microsoft's Lei Ma demonstrated a method of writing in the air, with the invisible text immediately transferring to a PC at the TechFest. A webcam captures a character when a user traces it in the air with a colored object. The computer recognizes the character and then asks the user whether it has chosen the correct one. Lei Ma said that it might be useful in the Xbox, avoiding the need to enter text with a controller.

Demo: