TY JOUR TI Possibility of using computer vision elements for automatic ice navigation on example of ARC7LNG gas carriers KW computer vision KW arctic navigation KW automation of navigation KW Sobel operator KW Canny algorithm KW Hough boundary detector KW semantic features KW deep learning KW neural networks KW automatic optical meter KW tracks in ice KW LNG carrier KW Arc7 gas carrier JO Operation of Maritime Transport AU Tulchinskiy, V.V. AU Tulchinskiy, V.I. PY 2019 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”