TY JOUR TI RESEARCH ON THE OPTICAL FLOW METHOD FOR DETECTING CHANGES IN THE ANGLE OF VIEW FROM VIDEO CAMERAS IN URBAN ENVIRONMENTS KW VIDEO SURVEILLANCE KW SHOOTING ANGLE KW MACHINE VISION KW VIDEO IMAGE PROCESSING KW OPTICAL FLOW METHOD KW DETECTION OF CHANGES IN THE CAMERA ANGLE JO Herald of Technological University AU Minnihanov, R.N. AU Gabbazov, R.M. AU Fahraziev, R.I. AU Batorshin, T.R. AU , .. AU Dagaeva, M.V. PY 2025 IS 28 PB Kazan National Research Technological University