Comprehensive workflow and its validation for simulating diffuse speckle statistics for optical blood flow measurements

L Kobayashi Frisk, M Verma, F Bešlija… - Biomedical Optics …, 2024 - opg.optica.org
Diffuse optical methods including speckle contrast optical spectroscopy and tomography
(SCOS and SCOT), use speckle contrast (κ) to measure deep blood flow. In order to design …

Tunable dynamical tissue phantom for laser speckle imaging

S Sarkar, MK, HM Varma - Biomedical Optics Express, 2024 - opg.optica.org
We introduce a novel method to design and implement a tunable dynamical tissue phantom
for laser speckle-based in-vivo blood flow imaging. This approach relies on stochastic …

Development of a tunable dynamical tissue phantom for laser speckle imaging of blood flow

S Sarkar, K Murali, HM Varma - European Conference on …, 2023 - opg.optica.org
Phantoms that accurately simulate in—vivo tissue properties are essential for the
advancement of medical imaging methods. In this paper, we propose a novel approach to …

Functional imaging of olfactory bulb and somatosensory cortex in mice using small-animal blood flow imaging platform

R Paul, S Sarkar, SD Marathe, K Murali… - … and Fluctuations in …, 2023 - spiedigitallibrary.org
A portable, compact and modular small-animal imaging platform is designed for
measurement of deep tissue and superficial cerebral blood flow. The platform is integrated …

A stochastic differential equation-based Monte Carlo simulation to model light propagation in dynamic turbid media

S Sarkar, K Murali, HM Varma - European Conference on …, 2023 - opg.optica.org
We present a novel approach that combines Monte Carlo simulations to propagate photons
in a turbid media having the dynamics modelled using stochastic differential equations …

A Stochastic optimization approach to laser speckle contrast imaging for a better estimation of blood flow

K Murali, S Sarkar, S Das, HM Varma - CLEO: Applications and …, 2024 - opg.optica.org
We have recently proposed the use of stochastic differential equations to simulate speckle
intensity with pre-defined probability density function and auto-correlation for applications in …

[HTML][HTML] BIO-IMAGING USING NOISE: APPLICATION OF LASER SPECKLES FOR DEEP TISSUE BLOOD FLOW IMAGING

K Murali, R Paul, S Sarkar, HM Varma - BRICS Workshop on …, 2023 - cyberleninka.ru
We present a novel approach for deep tissue blood flow imaging using laser speckles. Our
method utilizes a cost-effective system with low frame rate cameras for diffuse correlation …