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- W4321201269 abstract "COVID-19 is a rapidly spread infectious disease caused by a severe acute respiratory syndrome that can lead to death in just a few days. Thus, early disease detection can provide more time for successful treatment or action, even though an efficient treatment is unknown so far. In this context, this work proposes and investigates four ensemble CNNs using transfer learning and compares them with state-of-art CNN architectures. To select which models to use we tested 11 state-of-art CNN architectures: DenseNet121, DenseNet169, DenseNet201, VGG16, VGG19, Xception, ResNet50, ResNet50v2, InceptionV3, MobileNet, and MobileNetv2. We used a public dataset comprised of 2477 computerized tomography images divided into two classes: patients diagnosed with COVID-19 and patients with a negative diagnosis. Then three architectures were selected: DenseNet169, VGG16, and Xception. Finally, the ensemble models were tested in all possible combinations. The results showed that the ensemble models tend to present the best results. Moreover, the best ensemble CNN, called EnsenbleDVX, comprising all the three CNNs, provides the best results achieving an average accuracy of 97.7%, an average precision of 97.7%, an average recall of 97.8%, and an F1 average score of 97.7%" @default.
- W4321201269 created "2023-02-18" @default.
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- W4321201269 date "2023-06-01" @default.
- W4321201269 modified "2023-10-01" @default.
- W4321201269 title "A novel ensemble CNN model for COVID-19 classification in computerized tomography scans" @default.
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- W4321201269 doi "https://doi.org/10.1016/j.rico.2023.100215" @default.
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