ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)

vol 63 / August, 2020

DOI 10.17586/0021-3454-2019-62-5-433-441

UDC 535.6; 004.421


V. T. Prokopenko
ITMO University, Saint Petersburg, 197101, Russian Federation; Professor

N. V. Matveev
ITMO University, Saint Petersburg, 197101, Russian Federation; Assosiate professor

N. P. Sapunova
ITMO University, Saint Petersburg, 1097101, Russian Federation; postgraduate

R. M. Akhmadullin
ITMO University, Department of Laser Technologies and Systems;

F. S. Usmanova
ITMO University, Faculty of Laser Photonics and Optoelectronics;

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Abstract. Results of the study of images with fractal nature as a type of visual stimulations in light therapy are presented. A comparative analysis of dynamic images of the urban landscape obtained using an optoelectronic system, objects of natural environment, and laser abstract dynamic images is performed with subsequent allocation of contours using a modified boundary detector. Calculation of the ratio of the fractal dimension D performed for images of different categories, shows that for laser-abstract dynamic images D = 1,33 ± 0,02; this allows one to use them in the form of a visual series as the basis of visual therap.
Keywords: fractal dimension, self-similarity, border detector, box-counting dimension, dynamic abstract laser images, assessment of the quality of the visual environment, psycho-emotional perception, light therapy


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