ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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vol 62 / April, 2019
Article

DOI 10.17586/0021-3454-2016-59-3-189-196

UDC 621.397+623.4.052.5+528.063.1

MATHEMATICAL MODEL OF THREAT PREVENTION UNIT IN VIDEO SURVEILLANCE SYSTEM

M. B. Leonov
St. Petersburg National Research University of Information Technologies, Mechanics and Optics, Department of Optical Devices Computerization and Design; Master Sci.


V. N. Nazarov
ITMO University; Associate professor


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Abstract. A mathematical model is presented for threat prevention unit in video surveillance system consisting of visor, guiding mechanism, and targeting device Conversion of coordinates in a relative system into absolute system coordinates is carried out. Results of simulation demonstrate effective functioning of the unit in the selected coordinate systems. Calculations are performed to correlate the pointing error and coordinate transformation inaccuracy with angular field of view of the surveillance system lens.
Keywords: surveillance system, threat prevention unit, pointer, absolute coordinate system, geodetic coordinate system, system of rectangular coordinates, relative coordinate system, coordinate transformation, sight, visor, objective lens, angular field of view

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