TY JOUR TI Contrastive Self‑Supervised Learning in Transportation Monitoring Systems: A Practical Approach to Early Anomaly Detection KW contrastive self-supervised learning KW early detection KW multi-sensor monitoring KW transport monitoring KW adaptive calibration JO Intellectual Technologies on Transport AU Bozhko, L.M. AU Konkov, D.A. PY 2026 IS 0 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"