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JOURNALS // Computer Optics // Archive

2022, Volume 46, Issue 4


DIFFRACTIVE OPTICS, OPTICAL TECHNOLOGIES
Orbital angular momentum of structurally stable laser beams
V. V. Kotlyar, A. A. Kovalev
517
Astigmatic transformation of a fractional-order edge dislocation
V. V. Kotlyar, E. G. Abramochkin, A. A. Kovalev, A. G. Nalimov
522
Comparison of the shape of focal spots in terms of intensity and energy flux for a high-aperture zone plate and a spiral zone plate
A. A. Savelyeva, E. S. Kozlova
531
Peculiarities of focusing circularly and radially polarized super-Gaussian beams using ring gratings with varying relief height
D. A. Savelyev
537
Spatial and temporal characteristics of a four-wave radiation converter with due regard for Earth’s gravity field acting on nanoparticles dissolved in a transparent liquid
M. V. Savelyev, A. D. Remzov
547
The mathematical model of quantum dots pair orientation under laser radiation field
V. S. Petrakova, A. S. Tsipotan, V. V. Slabko
555
Genetic algorithm for optimizing Bragg and hybrid metal-dielectric reflectors
E. I. Girshova, A. V. Ogurtcov, A. V. Belonovskii, K. M. Morozov, M. A. Kaliteevskii
561

IMAGE PROCESSING, PATTERN RECOGNITION
Document image analysis and recognition: a survey
V. V. Arlazarov, E. I. Andreeva, K. B. Bulatov, D. P. Nikolaev, O. O. Petrova, B. I. Savelev, O. A. Slavin
567–589
Investigation of the applicability of natural language processing methods to problems of searching and matching of machinery drawing images
K. N. Figura
590–595
Neural network application for semantic segmentation of fundus
R. A. Paringer, A. V. Mukhin, N. Yu. Ilyasova, N. S. Demin
596–602
A method for generating training data for a protective face mask detection system
E. V. Ryumina, D. A. Ryumin, M. V. Markitantov, A. A. Karpov
603–611
Detection of presentation attacks on facial authentication systems using special devices
A. Yu. Denisova, V. A. Fedoseev
612–620
Improving the efficiency of brain MRI image analysis using feature selection
V. V. Konevsky, A. V. Blagov, A. V. Gaidel, A. V. Kapishnikov, A. V. Kupriyanov, E. N. Surovtsev, D. G. Asatryan
621–627
Automatic segmentation of intracytoplasmic sperm injection images
V. Yu. Kovalev, A. G. Shishkin
628–633
Spatiotemporal ecosystem health assessment comparison under the pressure-state-response framework
M. Boori, K. Choudhary, R. A. Paringer, A. V. Kupriyanov
634–642
Detection of artificial fragments embedded in remote sensing images by adversarial neural networks
M. V. Gashnikov, A. V. Kuznetsov
643–649

NUMERICAL METHODS AND DATA ANALYSIS
Numerical methods of spectral analysis of multicomponent gas mixtures and human exhaled breath
I. S. Golyak, E. R. Kareva, I. L. Fufurin, D. R. Anfimov, A. V. Scherbakova
650–658
High-speed recursive-separable image processing filters
A. V. Kamenskiy
659–665


© Steklov Math. Inst. of RAS, 2026