Concetto Spampinato, Simone Palazzo, Francesca Murabito, and Daniela Giordano, "Using the Eyes to "See" the Objects", Proceedings of the 23rd Annual ACM Conference on Multimedia Conference, pp. 1231--1234, 2015
"Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity." L. Da Vinci."