%0 Conference Article %T ASSESSMENT OF INSTRUMENTAL RECOGNIZABILITY OF RAILWAY SIGNALLING SIGNS %A Zhigalko, E.F. %K signal signs, integral moments, clusters, recognizability %J INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "MANAGEMENT OF OPERATIONAL WORK IN TRANSPORT" (UERT-2022) %D 2022 %P 4 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"