%0 Journal Article %T Comparative Analysis of Aerial, Mobile and Terrestrial Laser Scanning Technologies for Railway Track Diagnostics: Selection Criteria Based on Accuracy, Productivity and Operational Constraints %A Chesnovich, F.V. %K laser scanning, railway track diagnostics, aerial laser scanning (ALS), mobile laser scanning (MLS), terrestrial laser scanning (TLS), accuracy, productivity, digital track model %J Proceedings of Petersburg Transport University %D 2026 %N 23 %P 9 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"