On the equivalence of speckle contrast-based and diffuse correlation spectroscopy methods in measuring in vivo blood flow

Murali, K and Nandakumaran, AK and Varma, HM (2020) On the equivalence of speckle contrast-based and diffuse correlation spectroscopy methods in measuring in vivo blood flow. In: Optics Letters, 45 (14). pp. 3993-3996.

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Abstract

We establish the equivalence between laser speckle contrastbased and diffuse correlation spectroscopy methods in in vivo imaging of blood flow using the Volterra integral equation theory. We further substantiate the need of regularized fitting while employing the multiexposure speckle contrast imaging to recover autocorrelation function. ©2020 Optical Society of America.

Item Type:	Journal Article
Publication:	Optics Letters
Publisher:	OSA - The Optical Society
Additional Information:	The copyright for this article belongs to OSA - The Optical Society.
Keywords:	Correlation methods; Hemodynamics; Integral equations; Laser theory; Speckle; Spectroscopic analysis, Autocorrelation functions; Blood flow; Diffuse correlation spectroscopy; In-vivo; In-Vivo imaging; Laser speckle; Speckle contrasts; Volterra integral equations, Blood, circulation; hand; human; imaging phantom; laser; spectroscopy; vascularization, Blood Circulation; Hand; Humans; Lasers; Phantoms, Imaging; Spectrum Analysis
Department/Centre:	Division of Physical & Mathematical Sciences > Mathematics
Date Deposited:	03 Feb 2023 05:06
Last Modified:	03 Feb 2023 05:06
URI:	https://eprints.iisc.ac.in/id/eprint/79825

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