Fuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scans

Abstract COVID-19 has crippled the world’s healthcare systems, setting back the economy and taking the lives of several people. Although potential vaccines are being tested and supplied around the world, it will take a long time to reach every human being, more so with new variants of the virus emer...

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Main Authors: Rohit Kundu, Hritam Basak, Pawan Kumar Singh, Ali Ahmadian, Massimiliano Ferrara, Ram Sarkar
Format: Article
Language:English
Published: Nature Portfolio 2021-07-01
Series:Scientific Reports
Subjects:
Online Access:https://doi.org/10.1038/s41598-021-93658-y
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author Rohit Kundu
Hritam Basak
Pawan Kumar Singh
Ali Ahmadian
Massimiliano Ferrara
Ram Sarkar
author_facet Rohit Kundu
Hritam Basak
Pawan Kumar Singh
Ali Ahmadian
Massimiliano Ferrara
Ram Sarkar
author_sort Rohit Kundu
collection DOAJ
description Abstract COVID-19 has crippled the world’s healthcare systems, setting back the economy and taking the lives of several people. Although potential vaccines are being tested and supplied around the world, it will take a long time to reach every human being, more so with new variants of the virus emerging, enforcing a lockdown-like situation on parts of the world. Thus, there is a dire need for early and accurate detection of COVID-19 to prevent the spread of the disease, even more. The current gold-standard RT-PCR test is only 71% sensitive and is a laborious test to perform, leading to the incapability of conducting the population-wide screening. To this end, in this paper, we propose an automated COVID-19 detection system that uses CT-scan images of the lungs for classifying the same into COVID and Non-COVID cases. The proposed method applies an ensemble strategy that generates fuzzy ranks of the base classification models using the Gompertz function and fuses the decision scores of the base models adaptively to make the final predictions on the test cases. Three transfer learning-based convolutional neural network models are used, namely VGG-11, Wide ResNet-50-2, and Inception v3, to generate the decision scores to be fused by the proposed ensemble model. The framework has been evaluated on two publicly available chest CT scan datasets achieving state-of-the-art performance, justifying the reliability of the model. The relevant source codes related to the present work is available in: GitHub.
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spelling doaj.art-a00fb856d8a64e55afd416729f8ce8042022-12-21T23:37:44ZengNature PortfolioScientific Reports2045-23222021-07-0111111210.1038/s41598-021-93658-yFuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scansRohit Kundu0Hritam Basak1Pawan Kumar Singh2Ali Ahmadian3Massimiliano Ferrara4Ram Sarkar5Department of Electrical Engineering, Jadavpur UniversityDepartment of Electrical Engineering, Jadavpur UniversityDepartment of Information Technology, Jadavpur UniversityInstitute of IR 4.0, The National University of Malaysia (UKM)Department of Law, Economics and Human Sciences & Decisions Lab, Mediterranea University of Reggio CalabriaDepartment of Computer Science and Engineering, Jadavpur UniversityAbstract COVID-19 has crippled the world’s healthcare systems, setting back the economy and taking the lives of several people. Although potential vaccines are being tested and supplied around the world, it will take a long time to reach every human being, more so with new variants of the virus emerging, enforcing a lockdown-like situation on parts of the world. Thus, there is a dire need for early and accurate detection of COVID-19 to prevent the spread of the disease, even more. The current gold-standard RT-PCR test is only 71% sensitive and is a laborious test to perform, leading to the incapability of conducting the population-wide screening. To this end, in this paper, we propose an automated COVID-19 detection system that uses CT-scan images of the lungs for classifying the same into COVID and Non-COVID cases. The proposed method applies an ensemble strategy that generates fuzzy ranks of the base classification models using the Gompertz function and fuses the decision scores of the base models adaptively to make the final predictions on the test cases. Three transfer learning-based convolutional neural network models are used, namely VGG-11, Wide ResNet-50-2, and Inception v3, to generate the decision scores to be fused by the proposed ensemble model. The framework has been evaluated on two publicly available chest CT scan datasets achieving state-of-the-art performance, justifying the reliability of the model. The relevant source codes related to the present work is available in: GitHub.https://doi.org/10.1038/s41598-021-93658-yCOVID-19Deep learningConvolution neural networksEnsembleGompertz function
spellingShingle Rohit Kundu
Hritam Basak
Pawan Kumar Singh
Ali Ahmadian
Massimiliano Ferrara
Ram Sarkar
Fuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scans
Scientific Reports
COVID-19
Deep learning
Convolution neural networks
Ensemble
Gompertz function
title Fuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scans
title_full Fuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scans
title_fullStr Fuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scans
title_full_unstemmed Fuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scans
title_short Fuzzy rank-based fusion of CNN models using Gompertz function for screening COVID-19 CT-scans
title_sort fuzzy rank based fusion of cnn models using gompertz function for screening covid 19 ct scans
topic COVID-19
Deep learning
Convolution neural networks
Ensemble
Gompertz function
url https://doi.org/10.1038/s41598-021-93658-y
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