Search Results - "Cheremkhin, Pavel"

A Family of Methods Based on Automatic Segmentation for Estimating Digital Camera Noise: A Review by Kozlov, Alexander V., Rodin, Vladislav G., Starikov, Rostislav S., Evtikhiev, Nikolay N., Cheremkhin, Pavel A.

“…Digital camera noise information is useful in various applications: image enhancement and postprocessing, device selection for a particular system,…”
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Estimation of camera's noise by uniform target segmentation by Kozlov, Alexander V., Rodin, Vladislav G., Starikov, Rostislav S., Evtikhiev, Nikolay N., Cheremkhin, Pavel A.

“…This paper proposes a method for evaluating digital camera noise. The method allows to estimate all four noise components: light and dark fixed-pattern…”
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Computer-Generated Holography Methods for Data Page Reconstruction Using Phase-Only Medium by Minikhanov, Timur Z., Zlokazov, Evgenii Y., Cheremkhin, Pavel A., Starikov, Rostislav S., Evtikhiev, Nikolay N.

“…Achievements in the field of high-speed spatial modulation electrooptic components provide the possibility to create perspective optical-digital diffractive…”
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HoloForkNet: Digital Hologram Reconstruction via Multibranch Neural Network by Svistunov, Andrey S., Rymov, Dmitry A., Starikov, Rostislav S., Cheremkhin, Pavel A.

“…Reconstruction of 3D scenes from digital holograms is an important task in different areas of science, such as biology, medicine, ecology, etc. A lot of…”
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Interpolation-Filtering Method for Image Improvement in Digital Holography by Kozlov, Alexander V., Cheremkhin, Pavel A., Svistunov, Andrey S., Rodin, Vladislav G., Starikov, Rostislav S., Evtikhiev, Nikolay N.

“…Digital holography is actively used for the characterization of objects and 3D-scenes, tracking changes in medium parameters, 3D shape reconstruction,…”
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Object image reconstruction: method for reconstructing images from digital off-axis holograms using a generative adversarial network by Kiriy, Semen A., Svistunov, Andrey S., Rymov, Dmitry A., Starikov, Rostislav S., Shifrina, Anna V., Cheremkhin, Pavel A.

“…The article considers the use of digital holography in reconstructing object images from different 3D scene cross-sections. This reconstruction enables the…”
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Adaptive Digital Hologram Binarization Method Based on Local Thresholding, Block Division and Error Diffusion by Cheremkhin, Pavel A, Kurbatova, Ekaterina A, Evtikhiev, Nikolay N, Krasnov, Vitaly V, Rodin, Vladislav G, Starikov, Rostislav S

“…High-speed optical reconstruction of 3D-scenes can be achieved using digital holography with binary digital micromirror devices (DMD) or a ferroelectric…”
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Lensless Optical Encryption of Multilevel Digital Data Containers Using Spatially Incoherent Illumination by Cheremkhin, Pavel, Evtikhiev, Nikolay, Krasnov, Vitaly, Ryabcev, Ilya, Shifrina, Anna, Starikov, Rostislav

“…The necessity of the correction of errors emerging during the optical encryption process led to the extensive use of data containers such as QR codes. However,…”
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What Binarization Method Is the Best for Amplitude Inline Fresnel Holograms Synthesized for Divergent Beams Using the Direct Search with Random Trajectory Technique? by Ovchinnikov, Andrey S, Krasnov, Vitaly V, Cheremkhin, Pavel A, Rodin, Vladislav G, Savchenkova, Ekaterina A, Starikov, Rostislav S, Evtikhiev, Nikolay N

“…Fast reconstruction of holographic and diffractive optical elements (DOE) can be implemented by binary digital micromirror devices (DMD). Since micromirrors of…”
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Comparative appraisal of global and local thresholding methods for binarisation of off-axis digital holograms by Cheremkhin, Pavel A., Kurbatova, Ekaterina A.

“…•Holograms binarization for displays, media characterization, optical encryption.•12 local and 18 global thresholding techniques were analyzed.•Optically…”
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Iterative synthesis of binary inline Fresnel holograms for high-quality reconstruction in divergent beams with DMD by Cheremkhin, Pavel A., Evtikhiev, Nikolay N., Krasnov, Vitaly V., Starikov, Rostislav S., Zlokazov, Evgenii Yu

“…•New method of hologram synthesis provides up to 9 times lower reconstruction error.•New method of synthesis provides up to 4 times higher diffraction…”
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DMD-based optical pattern recognition using holograms generated with the Hartley transform by Cheremkhin, Pavel A., Krasnov, Vitaly V., Rodin, Vladislav G., Starikov, Rostislav S.

“…•An optical incoherent correlator was constructed using two digital micromirror devices (DMDs): the first DMD displays images of the recognized objects and the…”
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Shot Noise and Fixed-Pattern Noise Effects on Digital Hologram Reconstruction by Cheremkhin, Pavel A., Evtikhiev, Nikolay N., Krasnov, Vitaly V., Rodin, Vladislav G., Starikov, Rostislav S.

“…•Camera noise has significant degradation effect on reconstructed images in ultrafast processes registering, optical encryption, infrared holography,…”
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3D-CGH-Net: Customizable 3D-hologram generation via deep learning by Rymov, Dmitry A., Svistunov, Andrey S., Starikov, Rostislav S., Shifrina, Anna V., Rodin, Vladislav G., Evtikhiev, Nikolay N., Cheremkhin, Pavel A.

“…•The proposed neural network-method can generate holograms significantly faster than conventional iterative algorithms, with the same or better reconstructed…”
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Adaptive non-iterative histogram-based hologram quantization by Savchenkova, Ekaterina A., Ovchinnikov, Andrey S., Rodin, Vladislav G., Starikov, Rostislav S., Evtikhiev, Nikolay N., Cheremkhin, Pavel A.

“…Quantization is widely used for compression, storage, transmission and display of computer-generated and digital holograms. It reduces number of hologram…”
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Recognition of objects radiating with broad spectrum in dispersive holographic correlator by Cheremkhin, Pavel A., Krasnov, Vitaly V., Molodtsov, Dmitriy Yu, Rodin, Vladislav G.

“…Results of experiments on the formation of correlation signals based on spatial and spectral characteristics of the objects in dispersive holographic…”
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Application of additional input amplitude masks in schemes of optical image encryption with spatially incoherent illumination by Evtikhiev, N., Krasnov, V., Cheremkhin, P., Shifrina, A.

“…Application of additional input amplitude masks in schemes of optical image encryption with spatially incoherent illumination is proposed. The masks are used…”
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