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Stochastic decomposition method for modeling the scattered signal reflected of mucosal tissues
Journal article   Open access   Peer reviewed

Stochastic decomposition method for modeling the scattered signal reflected of mucosal tissues

Fernand S Cohen, Ezgi Taslidere, Dilip S Hari and Sreekant Murthy
Journal of biomedical optics, v 13(5), pp 054039-0540314
Sep 2008
PMID: 19021419
url
https://doi.org/10.1117/1.2982527View
Published, Version of Record (VoR)Maybe Open Access (Publisher Bronze) Open

Abstract

Intestinal Mucosa - physiopathology Photometry - methods Reproducibility of Results Irritable Bowel Syndrome - physiopathology Models, Statistical Algorithms Animals Stochastic Processes Irritable Bowel Syndrome - diagnosis Models, Biological Sensitivity and Specificity Mice Scattering, Radiation
The aim of this work is to draw the attention of the biophotonics community to a stochastic decomposition method (SDM) to potentially model 2-D scans of light scattering data from epithelium mucosa tissue. The emphasis in this work is on the proposed model and its theoretical pinning and foundation. Unlike previous works that analyze scattering signal at one spot as a function of wavelength or angle, our method statistically analyzes 2-D scans of light scattering data over an area. This allows for the extraction of texture parameters that correlate with changes in tissue morphology, and physical characteristics such as changes in absorption and scattering characteristics secondary to disease, information that could not be revealed otherwise. The method is tested on simulations, phantom data, and on a limited preliminary in-vitro animal experiment to track mucosal tissue inflammation over time, using the area Az under receiver operating characteristics (ROC) curve as a performance measure. Combination of all the features results in an Az value up to 1 for the simulated data, and Az > 0.927 for the phantom data. For the tissue data, the best performances for differentiation between pairs of various levels of inflammation are 0.859, 0.983, and 0.999.

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Web of Science research areas
Biochemical Research Methods
Optics
Radiology, Nuclear Medicine & Medical Imaging
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