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| 1 | Automatic Detection of COVID-19 Infection Using Chest X-Ray Images Through Transfer Learning显示文摘The new coronavirus(COVID-19),declared by the World Health Organization as a pandemic,has infected more than 1 million people and killed more than 50 thousand.An infection caused by COVID-19 can develop into pneumonia,which can be detected by a chest X-ray exam and should be treated appropriately.In this work,we propose an automatic detection method for COVID-19 infection based on chest X-ray images.The datasets constructed for this study are composed of194 X-ray images of patients diagnosed with coronavirus and 194 X-ray images of healthy patients.Since few images of patients with COVID-19 are publicly available,we apply the concept of transfer learning for this task.We use different architectures of convolutional neural networks(CNNs)trained on Image Net,and adapt them to behave as feature extractors for the X-ray images.Then,the CNNs are combined with consolidated machine learning methods,such as k-Nearest Neighbor,Bayes,Random Forest,multilayer perceptron(MLP),and support vector machine(SVM).The results show that,for one of the datasets,the extractor-classifier pair with the best performance is the Mobile Net architecture with the SVM classifier using a linear kernel,which achieves an accuracy and an F1-score of 98.5%.For the other dataset,the best pair is Dense Net201 with MLP,achieving an accuracy and an F1-score of 95.6%.Thus,the proposed approach demonstrates efficiency in detecting COVID-19 in X-ray images. | Elene Firmeza Ohata Gabriel Maia Bezerra João Victor Souza das Chagas Aloísio Vieira Lira Neto Adriano Bessa Albuquerque Victor Hugo Cde Albuquerque Pedro Pedrosa Rebouças Filho | 2021 | IEEE/CAA Journal of Automatica Sinica2021，8，1： | 3 |
| 2 | Amniotic fluidvol-umeassociated with fetai anomalies diagnosis in a refereence center in the biazilian northeast 显示文摘 | NORONHA NC SOUZA AS MORAES OB | 2009 | Rev Bras Ginecol Obstet2009，31，4： | 1 |
| 3 | Clinical application of CT and CT- guided percutaneous transthoracic needle biopsyin patients with indeterminate pulmonary nodules显示文摘 | Cardoso LV Souza J6nior AS | 2014 | J Bras Pneumol2014，40，4： | 1 |
| 4 | 显示文摘 | Souza AS Müller NL Marchiori E | 2004 | J Thorac Imaging2004，19，： | 1 |
| 5 | Carbon sources influence the nitrate removal activity,community structure and biofilm architecture显示文摘 | Srinandan CS D'souza G Srivastava N Nayak BB Nerurkar AS | | 0，，： | 1 |
| 6 | The Booroo-la(Fec8)phenotype is associated with a mutation in the bone morphogenetic receptor type IB(BMPRIB)显示文摘 | SOUZA C J CAMPBELL B K MCNEILLY AS etal | 2001 | J Endocrinol2001，169，2： | 1 |
| 7 | MTOR downregulates iodide uptake in thyrocytes显示文摘 | de Souza EC Padr6n AS Braga WM | | 0，，： | 1 |
| 8 | MTOR downregulates iodide uptake in thyrocytes 显示文摘 | de Souza EC Padron AS Braga WM | 2010 | J Endocrlnol2010，206，1： | 1 |
| 9 | Pulmonary abnormalities in ankylosing spondylitis: inspiratory and expiratory high-resolution CT findings in 17 patients显示文摘 | Souza AS Jr Mailer NL Marchiori E | 2004 | J Thorac Imaging2004，19，4： | 1 |
| 10 | MTOR downregnlates iodide uptake in thymcytes 显示文摘 | de Souza EC Padron AS Braga WM | 2010 | J Endocrinol2010，206，1： | 1 |
| 11 | Wegener's granulomatosis: experience from a Brazilian tertiary center显示文摘 | De Souza FH Radu-Halpem AS Valente-Barbas CS | 2010 | Clin Rheumatol2010，29，： | 1 |
| 12 | Comparison of sublingual versus vaginal misoprostol for the induction of labour:a systematic review显示文摘 | Souza AS Amorim MM Feitosa FE | 2008 | BJOG2008，115，： | 1 |
| 13 | Predictors of quality of life change after an acute coronary event显示文摘 | Souza EN Quadros AS Maestri R | 2008 | Arq Bras Cardiol2008，91，4： | 1 |
| 14 | Automatic on-line pre-concentration system using a knotted reactor for the FAAS determination of lead in drinking water 显示文摘 | Souza AS Brandao GC Walter NL dos Santos | 2007 | Journal of Hazar- dous Materials2007，141，3： | 1 |
| 15 | Anatomical varia- tions in the left coronary artery andits branche显示文摘 | Hosapatna M D' Souza AS Prasanna LC | 2013 | Singapore Med J2013，54，1： | 1 |
| 16 | High - resolution CT findings of 77 patients with untreated pulmonary paracoccidioidomycosis 显示文摘 | SOUZA AS J R GASPARETTO E L DAVAUS T | 2006 | AJR Am J Roentgenol2006，187，5： | 1 |
| 17 | Effects of ma- ternal malnutrition and postnatal nutritional rehabilitation on brain fatty acids, learning, and memory显示文摘 | De Souza AS Fernandes FS do Carmo MD | 2011 | Nutr Rev2011，69，3： | 1 |
| 18 | Diffuse abnormalities of the trachea: computed tomography findings显示文摘 | Marchiori E Pozes AS Souza Junior AS | | J Bras Pneumol0，34，1： | 1 |
| 19 | Wegener's granulomatosis:experience from a Brazilian tertiary center显示文摘 | De Souza FH Radu-halpern AS Valente-Barbas CS | 2010 | Clin Rheumatol2010，29，： | 1 |
| 20 | Mechanical method of induction of labor in high-risk pregnant women with previous cesarean section显示文摘 | Souza AS Medeiros Junior Wde M de Araújo BB | 2015 | Rev Bras Ginecol Obstet2015，37，： | 1 |
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