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17 May 2018 Early stage detection of precancer using variational mode decomposition and artificial neural network
Sawon Pratiher; Sabyasachi Mukhopadhyay; Souvik Hazra; Ritwik Barman; Gautham Pasupuleti; Nirmalya Ghosh; Prasanta K. Panigrahi
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Proceedings Volume 10685, Biophotonics: Photonic Solutions for Better Health Care VI; 1068523 (2018) https://doi.org/10.1117/12.2307278
Event: SPIE Photonics Europe, 2018, Strasbourg, France
Abstract
In this contribution, combined variational mode decomposition (VMD) aided non-linear feature descriptors & artificial neural network (ANN) for identification of different healthy and precancerous cervical tissues. Owing to the inherent problems of background laser system noise interferences in elastic scattering spectroscopic data, VMD method being noise robust is of paramount interest. VMD is used to decompose the normalized spectral data into 2 modes for analysis and attributes extraction. For each of these VMD separated modes, non-linear entropy and multifractal features, namely Shannon entropy (SE), Renyi entropy (RE), Tsallis entropy (TE) and Singularity spectrum width (SSW) are extracted to form the feature set. The extracted features are subjected to analysis of variance (ANOVA) test for subsequent feature ranking & selection of the statistically most significant features. The designated features are trained with ANN to classify the backscattered tissue spectra into healthy and cancerous ones.
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Sawon Pratiher, Sabyasachi Mukhopadhyay, Souvik Hazra, Ritwik Barman, Gautham Pasupuleti, Nirmalya Ghosh, and Prasanta K. Panigrahi "Early stage detection of precancer using variational mode decomposition and artificial neural network", Proc. SPIE 10685, Biophotonics: Photonic Solutions for Better Health Care VI, 1068523 (17 May 2018); https://doi.org/10.1117/12.2307278
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