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作 者:Yudong Zhang Muhammad Attique Khan Ziquan Zhu Shuihua Wang
机构地区:[1]School of Computing and Mathematical Sciences,University of Leicester,Leicester,LE17RH,UK [2]Department of Computer Science,HITEC University Taxila,Taxila,Pakistan
出 处:《Computer Systems Science & Engineering》2023年第7期13-26,共14页计算机系统科学与工程(英文)
基 金:This paper is partially supported by Medical Research Council Confidence in Concept Award,UK(MC_PC_17171);Royal Society International Exchanges Cost Share Award,UK(RP202G0230);British Heart Foundation Accelerator Award,UK(AA/18/3/34220);Hope Foundation for Cancer Research,UK(RM60G0680);Global Challenges Research Fund(GCRF),UK(P202PF11);Sino-UK Industrial Fund,UK(RP202G0289);LIAS Pioneering Partnerships award,UK(P202ED10);Data Science Enhancement Fund,UK(P202RE237).
摘 要:(Aim)The COVID-19 has caused 6.26 million deaths and 522.06 million confirmed cases till 17/May/2022.Chest computed tomography is a precise way to help clinicians diagnose COVID-19 patients.(Method)Two datasets are chosen for this study.The multiple-way data augmentation,including speckle noise,random translation,scaling,salt-and-pepper noise,vertical shear,Gamma correction,rotation,Gaussian noise,and horizontal shear,is harnessed to increase the size of the training set.Then,the SqueezeNet(SN)with complex bypass is used to generate SN features.Finally,the extreme learning machine(ELM)is used to serve as the classifier due to its simplicity of usage,quick learning speed,and great generalization performances.The number of hidden neurons in ELM is set to 2000.Ten runs of 10-fold cross-validation are implemented to generate impartial results.(Result)For the 296-image dataset,our SNELM model attains a sensitivity of 96.35±1.50%,a specificity of 96.08±1.05%,a precision of 96.10±1.00%,and an accuracy of 96.22±0.94%.For the 640-image dataset,the SNELM attains a sensitivity of 96.00±1.25%,a specificity of 96.28±1.16%,a precision of 96.28±1.13%,and an accuracy of 96.14±0.96%.(Conclusion)The proposed SNELM model is successful in diagnosing COVID-19.The performances of our model are higher than seven state-of-the-art COVID-19 recognition models.
关 键 词:SqueezeNet complex bypass transfer learning extreme learning machine COVID-19 deep learning convolutional neural network computed tomography
分 类 号:TP3[自动化与计算机技术—计算机科学与技术] R563.1[医药卫生—呼吸系统]
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