Resolution and contrast enhancement for Lensless digital holographic microscopy and its application in biomedicine

D Chen, L Wang, X Luo, H Xie, X Chen - Photonics, 2022 - mdpi.com
An important imaging technique in biomedicine, the conventional optical microscopy relies
on relatively complicated and bulky lens and alignment mechanics. Based on the Gabor …

Visualizing and quantifying small and nonstationary structural motions in video measurement

E Cai, Y Zhang, ST Quek - Computer‐Aided Civil and …, 2023 - Wiley Online Library
Rapid advancement in vision recording technologies is increasing the importance and
production of video data in a wide range of applications. This paper proposed a novel …

Optimal phase mask design for coherent modulation imaging by deep learning

W Cao, L Bai, S Tao, Z Tian, Y Xu, C Kuang… - Optics & Laser …, 2024 - Elsevier
Since detectors can only record the intensity of the wavefield, it is a long-standing issue to
find an effective method to retrieve the phase information. A classic solution to the problem is …

Lensless hyperspectral phase retrieval via alternating direction method of multipliers and spectral proximity operators

I Shevkunov, V Katkovnik, K Egiazarian - Engineering Proceedings, 2023 - mdpi.com
We consider the application of a recently developed hyperspectral broadband phase
retrieval (HSPhR) technique for spectrally varying object and modulation phase masks at …

A novel method based on optofluidic lensless-holography for detecting the composition of oil droplets

G Ding, J Wang, J Zou, C Wang, T Wang… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
A novel method based on optofluidic lensless-holography for detecting the composition of oil
droplets is presented in this paper. The three most important characteristic parameters in the …

An algorithm of unordered wavefront propagation in terahertz phase retrieval with dense multiplane data acquisition

EG Tsiplakova, A Chopard, NS Balbekin… - Computer …, 2023 - ui.adsabs.harvard.edu
Iterative phase retrieval algorithms from multiple diffraction patterns in the terahertz (THz)
frequency range are a promising tool of computational imaging capable of providing high …

[HTML][HTML] Алгоритм неупорядоченного распространения терагерцового волнового фронта для восстановления фазы при плотной многоплоскостной …

ЕГ Циплакова, А Чопард, НС Балбекин… - Компьютерная …, 2023 - cyberleninka.ru
Итерационные алгоритмы восстановления фазы из дифракционных распределений в
терагерцовом (ТГц) диапазоне частот являются многообещающим подходом …

Reconstruction enhancement of noisy data in terahertz pulse time-domain holography by iterative procedure

NV Petrov, NS Balbekin, MS Kulya… - Unconventional …, 2018 - spiedigitallibrary.org
In this proceeding, we present the description of the numerical approach for resolution
enhancement, field of view widening and noise reduction in pulse time-domain holography …

Features of surface contouring by digital holographic interferometry with tilt of the object illumination

NV Petrov, VA Skobnikov, IA Shevkunov… - Interferometry …, 2018 - spiedigitallibrary.org
One of the problems of interferometric methods is the difficulty of measuring surface shape
with sharp boundaries due to the wavelength-limited dynamic range of the measurement. To …

Solution for reconstruction enhancement of pulsed broadband THz holograms recorded with small area detectors

NS Balbekin, MS Kulya… - Unconventional …, 2018 - spiedigitallibrary.org
In this proceeding, we discuss the method that allows for field of view and reconstruction
quality enhancement of pulsed THz holograms recorded by matrix detectors that do not …