text: Sincerely, STUDENT_NAMEUsing this technology is valuable to read peoples emotions. The doctors and prof. say that the process begins when the computer constructs a 3-d computer model of the face;all 44 major muscels in the model must move like human muscles. Movement of one or more muscles is called an "action unit. Also Dr. huang observes that artists such as da vinci studied human anatomy to help them paint facial muscles precisely enough to convey specific emotions. His new computer software stores similar anatomical information as electronic code.