2020
DOI: 10.21203/rs.3.rs-30802/v1
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Rapid Identification of COVID-19 Severity in CT Scans through Classification of Deep Features

Abstract: Background: To implement the real-time diagnosis of the severity of patients infected with novel coronavirus 2019 (COVID-19) and guide the follow-up therapeutic treatment, We collected chest CT scans of 202 patients diagnosed with the COVID-19 from three hospitals in Anhui Province, China.Methods: A total of 729 2D axial plan slices with 246 severe cases and 483 non-severe cases were employed in this study. Four pre-trained deep models (Inception-V3, ResNet-50, ResNet-101, DenseNet-201) with multiple classifie… Show more

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Cited by 14 publications
(30 citation statements)
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“…Although the diagnosis of COVID-19 relies on the detection of the SARS-CoV-2 RNA by Real-Time Reverse Transcriptase (RT)–PCR ( 4 , 12 , 13 ), here only a few endodontists were using it as their patient screening technique. No endodontist participant requested chest X-ray for COVID-19 screening in their dental practice, although chest X-ray might show patchy shadows and ground-glass opacity in the lung ( 14 ). It is worth pointing out that only a few participants reported uncooperative patients for the COVID-19 screening measurement adopted in their practice.…”
Section: Discussionmentioning
confidence: 99%
“…Although the diagnosis of COVID-19 relies on the detection of the SARS-CoV-2 RNA by Real-Time Reverse Transcriptase (RT)–PCR ( 4 , 12 , 13 ), here only a few endodontists were using it as their patient screening technique. No endodontist participant requested chest X-ray for COVID-19 screening in their dental practice, although chest X-ray might show patchy shadows and ground-glass opacity in the lung ( 14 ). It is worth pointing out that only a few participants reported uncooperative patients for the COVID-19 screening measurement adopted in their practice.…”
Section: Discussionmentioning
confidence: 99%
“…For example, Yue et al. [38] used 729 CT scan images of Covid-19 patients to measure the severity. They used a pre-trained deep neural network to classify the severity and achieved an overall detection accuracy of 95.34%.…”
Section: Related Workmentioning
confidence: 99%
“…It is due to the Covid-19 image’s large input size. Fine-tuning or transfer learning is used to tackle this problem in published researches [34] , [35] , [36] , [37] , [38] , [40] . The ImageNet dataset was used in the pre-training of most of these methods.…”
Section: Related Workmentioning
confidence: 99%
“…Yu 24 et al explored four pre-trained DL models (Inception-V3, ResNet-50, ResNet-101 and DenseNet-201) to extract the high-level resources of CT. These resources were then provided to various classifiers (linear discriminant, linear SVM, cubic SVM, k-NN and Adaboost with decision trees) to identify serious and non-serious cases of COVID-19.…”
Section: Related Workmentioning
confidence: 99%