Gestural teleoperation of a mobile robot based on visual recognition of sign language static handshapes. - Costas S. Tzafestas; Nikos Mitsou; Nikos Georgakarakos; Olga Diamanti; Petros Maragos; Stavroula-Evita Fotinea; Eleni Efthimiou (RO-MAN, 2009)