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JOURNALS // Computer Optics // Archive

2022, Volume 46, Issue 1


DIFFRACTIVE OPTICS, OPTICAL TECHNOLOGIES
Reconstruction of stable states of spiral vortex beams
A. V. Volyar, E. G. Abramochkin, Ya. E. Akimova, M. V. Bretsko
5
Sinusoidal Gaussian optical vortex as a superposition of two hypergeometric beams
V. V. Kotlyar, A. A. Kovalev
16
Determination of the orbital angular momentum state of a radio wave beam based on quantitative characteristics of a radio communication system
E. G. Anufriyev
22
Generation of linearly polarized modes using a digital micromirror device and phase optimization
N. A. Correa-Rojas, R. D. Gallego-Ruiz, M. I. Álvarez-Castaño
30
Generation and focusing of a second-order vector beam using a subwavelength optical element
S. A. Degtyarev, D. A. Savelyev
39
Quality of wavefront reversal for four-wave interaction in a multimode waveguide with thermal nonlinearity
V. V. Ivakhnik, D. R. Kapizov, V. I. Nikonov
48
Numerical simulation of the performance of a spaceborne Offner imaging hyperspectrometer in the wave optics approximation
A. A. Rastorguev, S. I. Kharitonov, N. L. Kazanskii
56
Increasing the spatial resolution of signals in optical systems
V. I. Guzhov, I. O. Marchenko, E. E. Trubilina
65
Computer vision-based method of pre-alignment of a channel optical waveguide and a lensed fiber
P. V. Karnaushkin, M. S. Sklyarenko
71
Automation of synthesis and ranking of cemented and air-spaced doublets
D. H. Nguyen, A. V. Bakholdin
83

IMAGE PROCESSING, PATTERN RECOGNITION
Classification of Sentinel-2 satellite images of the Baikal Natural Territory
I. V. Bychkov, G. M. Ruzhnikov, R. K. Fedorov, A. K. Popova, Yu. V. Avramenko
90–96
Detection of retroreflective objects based on search for spatial anomalies
S. M. Borzov, O. I. Potaturkin, S. B. Usilov
97–102
Semi-fragile watermarking with recovery capabilities for HGI compression method
A. Yu. Bavrina, V. A. Fedoseev
103–112
wEscore: quality assessment method of multichannel image visualization with regard to angular resolution
D. S. Sidorchuk
113–120
A method for assessing photorealistic image quality with high resolution
S. V. Sai
121–129
Algorithms for multi-frame image super-resolution under applicative noise based on deep neural networks
S. V. Savvin, A. A. Sirota
130–138
Detection of objects in the images: from likelihood relationships towards scalable and efficient neural networks
N. A. Andriyanov, V. E. Dementiev, A. G. Tashlinskiy
139–159

NUMERICAL METHODS AND DATA ANALYSIS
Towards energy-efficient neural network calculations
E. S. Noskova, I. E. Zakharov, Yu. N. Shkandybin, S. G. Rykovanov
160–166


© Steklov Math. Inst. of RAS, 2025