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Investigation of the effectiveness of the active pulse method for detecting retroreflective objects
D.V. Alantyev 1,2,  S.M. Borzov  1, O.I. Potaturkin 1, S.B. Usilov 1

1 Institute of Automation and Electrometry of the Siberian Branch of the Russian Academy of Sciences,
Prospekt Academika Koptyuga 1, Novosibirsk, 630090, Russia;
2 Design and Technological Institute of Applied Microelectronics,
Novosibirsk Branch of Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences,
Prospekt Academika Lavrentieva 2/1, Novosibirsk, 630090, Russia

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DOI: 10.18287/2412-6179-CO-1582

Pages: 660-666.

Full text of article: Russian language.

Abstract:
This work describes an experimental study of the effectiveness of hardware-software means for laser pulse location without using an electron-image tube as an external shutter. The system is designed to detect retroreflective objects, including optical and optoelectronic surveillance devices. Results of measurements on a multidimensional scene are presented depending on the position of the active visibility zone of the laser pulse location. It is shown that distances to objects can be determined by processing image sequences obtained using range scanning of a scene and a quadratic approximation of the obtained signal values with the calculation of coordinates of their maxima. A technique for processing the recorded images in order to detect low-contrast objects (with a low retroreflection index) on a complex background is proposed and demonstrated.

Keywords:
retroreflective object detection, laser pulse location, retroreflective index, image processing.

Citation:
Alantyev DV, Borzov SM, Potaturkin OI, Usilov SB. Investigation of the effectiveness of the active pulse method for detecting retroreflective objects. Computer Optics 2025; 49(4): 660-666. DOI: 10.18287/2412-6179-CO-1582.

Acknowledgements:
This work was financially supported by the RF Ministry of Science and Higher Education within government project No. 124041700103-1 of IA&E SB RAS.

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