Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer Detection

An improved machine learning approach is presented in this paper to guarantee the fast convergence of the Born Iterative Method, even in the presence of strong scatterers, by assuming a single operating frequency and a reduced number of antennas in the scattering setup. The initial estimation of the...

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Main Authors: Sandra Costanzo, Alexandra Flores
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/15/2308
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author Sandra Costanzo
Alexandra Flores
author_facet Sandra Costanzo
Alexandra Flores
author_sort Sandra Costanzo
collection DOAJ
description An improved machine learning approach is presented in this paper to guarantee the fast convergence of the Born Iterative Method, even in the presence of strong scatterers, by assuming a single operating frequency and a reduced number of antennas in the scattering setup. The initial estimation of the dielectric profile, provided by the Born Iterative Method, was processed by a specific convolutional neural network to improve the reconstruction using a fast machine learning approach. To ensure rapid convergence, a proper choice of the initial guess in terms of the minimum permittivity value over the entire domain was also made. Numerical validations on realistic breast phantoms were illustrated, demonstrating an average error of 2.4% and an accuracy greater than 96% for all considered tests, even when considering a single operating frequency and a reduced amount of training data.
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spelling doaj.art-4c5e5703a7d44eb1b1429ab93b9d267e2023-12-01T22:53:32ZengMDPI AGElectronics2079-92922022-07-011115230810.3390/electronics11152308Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer DetectionSandra Costanzo0Alexandra Flores1Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica, Università della Calabria, 87036 Rende, ItalyDipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica, Università della Calabria, 87036 Rende, ItalyAn improved machine learning approach is presented in this paper to guarantee the fast convergence of the Born Iterative Method, even in the presence of strong scatterers, by assuming a single operating frequency and a reduced number of antennas in the scattering setup. The initial estimation of the dielectric profile, provided by the Born Iterative Method, was processed by a specific convolutional neural network to improve the reconstruction using a fast machine learning approach. To ensure rapid convergence, a proper choice of the initial guess in terms of the minimum permittivity value over the entire domain was also made. Numerical validations on realistic breast phantoms were illustrated, demonstrating an average error of 2.4% and an accuracy greater than 96% for all considered tests, even when considering a single operating frequency and a reduced amount of training data.https://www.mdpi.com/2079-9292/11/15/2308microwave imaginginverse scatteringBorn Iterative Methodconvolutional neural networkbreast cancer
spellingShingle Sandra Costanzo
Alexandra Flores
Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer Detection
Electronics
microwave imaging
inverse scattering
Born Iterative Method
convolutional neural network
breast cancer
title Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer Detection
title_full Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer Detection
title_fullStr Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer Detection
title_full_unstemmed Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer Detection
title_short Enhanced Machine Learning Approach for Accurate and Fast Resolution of Inverse Scattering Problem in Breast Cancer Detection
title_sort enhanced machine learning approach for accurate and fast resolution of inverse scattering problem in breast cancer detection
topic microwave imaging
inverse scattering
Born Iterative Method
convolutional neural network
breast cancer
url https://www.mdpi.com/2079-9292/11/15/2308
work_keys_str_mv AT sandracostanzo enhancedmachinelearningapproachforaccurateandfastresolutionofinversescatteringprobleminbreastcancerdetection
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