TY JOUR TI Using UAVs to create an artistic background for land recognition works KW geodetic surveying KW geographic information systems (GIS) KW digital elevation model KW reference points KW boundary vectorization KW orthophotoplane JO INTERNATIONAL AGRICULTURAL JOURNAL AU Sidorov, A.A. AU Nigmatullin, R.N. AU Vasilyeva, D.I. AU Michurina, N.Y. AU Amosova, A.A. AU Kholopov, Y.A. PY 2026 IS 0 PB Electronic science