TY JOUR TI ESTIMATION OF THE STATE OF THE RELIEF AND THE ACCURACY OF DETERMINING THE BOUNDARIES OF ANTHROPOGENIC OBJECTS KW state of the relief KW anthropogenic objects KW estimation of accuracy KW boundaries of objects KW aerial photographs KW monitoring of the earth's surface JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Lozovoy, N.M. AU Lozovaya, S.Y. AU Martynova, N.S. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov