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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 | Rapid maxillary expansion in the deciduous and mixed dentition evaluated through posteroanterior cephalometric analysis显示文摘 | Da Silva Filho O G Montes I A Torelly I F | 1995 | Am J Orthod Dentofacial Or-thop1995，107，3： | 1 |
| 3 | A bovine pericardium rigid prosthesis for left ventricle restoration:12 years of follow-up显示文摘 | Silveira Filho LM Petrucci O Vilarinho KA Baker RS Garcia F Oliveira PP | | 0，，02： | 1 |
| 4 | Net requirements of calcium, magnesium, sodium, phos- phorus, and potassium for growth of Nellore X Red Angus bulls, steers, and heifers显示文摘 | Chizzotti M L Filho S D C V Tedeschi L O | 2009 | Livestock Science2009，124，1： | 1 |
| 5 | A randomized controlled trial comparing vaginal misoprostol versus Foley catheter plus oxytocin for labor induction 显示文摘 | MORAES FILHO O B ALBUQUERQUE R M CECATYI J G | 2010 | Acta Obstetricia et Gyriecologica Scandinavica2010，89，8： | 1 |
| 6 | 显示文摘 | Filho O Torre L Hench L | 1996 | J Biomed Mater Res1996，30，4： | 1 |
| 7 | An automated system for liquid - liquid extraction based on a new micro - batch extraction chamber with on - line detection Preconcentration and determination of copper ( Ⅱ ) 显示文摘 | DINIZ M C T FILHO O F ROHWEDDER J J R | 2004 | Anal Chim Acta2004，525，2： | 1 |
| 8 | Evidences for a multiple sex chromosome system with female heterogamety in Apareiodon affinis (Pisces:Parodontidae)显示文摘 | Filho O M Bertollo L A C Junior P M G | 1980 | Caryologia1980，，33： | 1 |
| 9 | Biomass resources for energy in north-eastern Brazil显示文摘 | Filho P A Badr O | 2004 | Applied Energy2004，77，： | 1 |
| 10 | Thermal properties of hybrid lignocelluloSiC fabric-reinforced polyester matrix composites显示文摘 | Alsina O L S CarvalhoL H de Filho F G R | 2005 | Polymer Testing2005，24，1： | 1 |
| 11 | On systems of elliptic equations involving subcritical or critical Sobolev exponents显示文摘 | Alves C O Filho D C de M Souto M A S | 2000 | Nonlinear Analysis2000，42，： | 1 |
| 12 | Thermal properties of hybrid lignocellulosic fabric-reinforced polyester matrix composites显示文摘 | Alsina O L S Carvalho L H Filho F G R | 2005 | Polymer Testing2005，24，1： | 1 |
| 13 | Multiple sex chromosomes in the genus Hoplias(Pisces:Erythrinidae)显示文摘 | Bertollo L A C Takahashi C S Filho O M | 1983 | Cytologia1983，，48： | 1 |
| 14 | Carcinoma of the papilla of vater: Are endoscopic appearance and endoscopic biopsy discordant?显示文摘 | Michelle Lucinda DeOliveira M.D. Tarcisio Trivi?o M.D. Ph.D. Gaspar de Jesus Lopes Filho M.D. Ph.D | 2006 | Journal of Gastrointestinal Surgery2006，，8： | 1 |
| 15 | Early hemodynamic and renal effects of hemorrhagic shock resuscitation with lactated Ringerg solution, hydroxyethyl starch, and hypertonic saline with or without 6% dextran - 70 显示文摘 | Nascimento P Jr de Paiva Filho O de Carvalho LR | 2006 | J Surg Res2006，136，1： | 1 |
| 16 | Early surgery for ruptured cerebral aneurysms: technical note显示文摘 | Sillero R O Sillero Filho V J Freire S B | 2007 | Arq Neuropsiquiatr2007，65，4： | 1 |
| 17 | Biomass resources for energy in North-Eastern Brazil显示文摘 | Filho P A Badr O | 2004 | Applied Energy2004，77，： | 1 |
| 18 | Third-order nonlinear optical properties of bismuth-borate glasses measured by conventional and thermally managed eclipse Z scan 显示文摘 | Gomes A S L Falc o Filho E L de Araujo Cid B etal | 2007 | J Appl Phys2007，101，03： | 1 |
| 19 | Sternocleidomastoid Muscle Flap Preventing Frey Syndrome following Parotidectomy显示文摘 | Wail Queiroz Filho Rogério A. Dedivitis M.D. Ph.D. Abr?o Rapoport M.D. Ph.D. André V. Guimar?es | 2004 | World Journal of Surgery2004，，4： | 1 |
| 20 | Auto- matic detection of small lung nodules in 3D CT data using Gaussian mixture models, Tsallis entropy and SVM 显示文摘 | SANTOS A M FILHO A O D C SILVA A C | 2014 | Engineering applications of artificial intelligence2014，，36： | 1 |
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