Advances in dynamic light scattering imaging of blood flow

A Sdobnov, G Piavchenko, A Bykov… - Laser & Photonics …, 2024 - Wiley Online Library
Dynamic light scattering (DLS) is a well known experimental approach uniquely suited for
the characterization of small particles undergoing Brownian motion in randomly …

Laser speckle imaging to monitor microvascular blood flow: a review

PG Vaz, A Humeau-Heurtier, E Figueiras… - IEEE reviews in …, 2016 - ieeexplore.ieee.org
Laser speckle is a complex interference phenomenon that can easily be understood, in
concept, but is difficult to predict mathematically, because it is a stochastic process. The use …

Dual-display laparoscopic laser speckle contrast imaging for real-time surgical assistance

C Zheng, LW Lau, J Cha - Biomedical Optics Express, 2018 - opg.optica.org
Laser speckle contrast imaging (LSCI) utilizes the speckle pattern of a laser to determine the
blood flow in tissues. The current approaches for its use in a clinical setting require a camera …

Dynamic light scattering and laser speckle contrast imaging of the brain: theory of the spatial and temporal statistics of speckle pattern evolution

B Liu, D Postnov, DA Boas, X Cheng - Biomedical Optics Express, 2024 - opg.optica.org
Dynamic light scattering (DLS) and laser speckle contrast imaging (LSCI) are closely related
techniques that exploit the statistics of speckle patterns, which can be utilized to measure …

Improved spatial speckle contrast model for tissue blood flow imaging: effects of spatial correlation among neighboring camera pixels

JC Juarez-Ramirez, B Coyotl-Ocelotl… - Journal of …, 2023 - spiedigitallibrary.org
Significance Speckle contrast analysis is the basis of laser speckle imaging (LSI), a simple,
inexpensive, noninvasive technique used in various fields of medicine and engineering. A …

Time-resolved laser speckle contrast imaging (TR-LSCI) of cerebral blood flow

F Fathi, S Mazdeyasna, D Singh… - … on Medical Imaging, 2024 - ieeexplore.ieee.org
To address many of the deficiencies in optical neuroimaging technologies, such as poor
tempo-spatial resolution, low penetration depth, contact-based measurement, and time …

Does the structure of light influence the speckle size?

XB Hu, MX Dong, ZH Zhu, W Gao… - Scientific reports, 2020 - nature.com
It is well known that when a laser is reflected from a rough surface or transmitted through a
diffusive medium, a speckle pattern will be formed at a given observation plane. An …

Spatial versus temporal laser speckle contrast analyses in the presence of static optical scatterers

JC Ramirez-San-Juan, C Regan… - … of biomedical optics, 2014 - spiedigitallibrary.org
Previously published data demonstrate that the temporal processing algorithm for laser
speckle contrast imaging (LSCI) can improve the visibility of deep blood vessels and is less …

Optimization of camera exposure durations for multi-exposure speckle imaging of the microcirculation

SMS Kazmi, S Balial, AK Dunn - Biomedical optics express, 2014 - opg.optica.org
Improved Laser Speckle Contrast Imaging (LSCI) blood flow analyses that incorporate
inverse models of the underlying laser-tissue interaction have been used to develop more …

Speckle imaging of annular Hermite Gaussian laser beam

A Hamed - Speckle Imaging Using Aperture Modulation, 2024 - Springer
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