text: This machine found out that she was 83 percent happy, 9 percent disgusted, 6 percent fearful, and 2 percent angry. This software is the latest innovation from Prof. Nicu Sebe of the University of Amsterdam. This software actually calculates peoples emotions like a math homework. The process begins when the computer constructs a 3-D computer model of the face; all 44 major muscles in the model must move like human muscles, Movement of one or more muscles is called an "action unit".