On 24th of April, 2018 Dr. Arūnas Žviras and Dr. Marius Gudauskis visited a professor dr. Edwige Pissaloux at University of Rouen Normany, France. They presented the project ideas to develop device for blind person. Also, the researchers looked up a laboratories of LITIS (Laboratoire d’Informatique, de Traitement de l’Information et de Systèmes).