If you want to distinguish an original piece of artwork from a fake, mathematicians and computer scientists may be able to help. By using stylometric analysis, computer scientist and SFI external professor, Daniel Rockmore studied the artwork of Brueghel. The work is divided into components of either words or visual frequencies. Then each component is statistically tested to see whether they compare to other authentic works. Rockmore measured 72 different statistical features of each Brueghel sketch. Imitation sketches displayed random results while the authentic sketches clustered together on a geometric plot.