How to Classify Doppelgangers

The study has taken a lot of time. We started this more than seven years ago, and the study was published just last year. The pictures were run using three different software recognitions of the face. These are the same softwares that are used by police or in the airport to open the gate to go in the plane. So, from this, we were able to highlight those look alike that really were the most look alike,. Those that really were almost identical.