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10.1007/s12539-020-00408-1

http://scihub22266oqcxt.onion/10.1007/s12539-020-00408-1
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suck abstract from ncbi


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pmid33565027      Interdiscip+Sci 2021 ; 13 (1): 73-82
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  • Classification of COVID-19 by Compressed Chest CT Image through Deep Learning on a Large Patients Cohort #MMPMID33565027
  • Zhu Z; Xingming Z; Tao G; Dan T; Li J; Chen X; Li Y; Zhou Z; Zhang X; Zhou J; Chen D; Wen H; Cai H
  • Interdiscip Sci 2021[Mar]; 13 (1): 73-82 PMID33565027show ga
  • Corona Virus Disease (COVID-19) has spread globally quickly, and has resulted in a large number of causalities and medical resources insufficiency in many countries. Reverse-transcriptase polymerase chain reaction (RT-PCR) testing is adopted as biopsy tool for confirmation of virus infection. However, its accuracy is as low as 60-70%, which is inefficient to uncover the infected. In comparison, the chest CT has been considered as the prior choice in diagnosis and monitoring progress of COVID-19 infection. Although the COVID-19 diagnostic systems based on artificial intelligence have been developed for assisting doctors in diagnosis, the small sample size and the excessive time consumption limit their applications. To this end, this paper proposed a diagnosis prototype system for COVID-19 infection testing. The proposed deep learning model is trained and is tested on 2267 CT sequences from 1357 patients clinically confirmed with COVID-19 and 1235 CT sequences from non-infected people. The main highlights of the prototype system are: (1) no data augmentation is needed to accurately discriminate the COVID-19 from normal controls with the specificity of 0.92 and sensitivity of 0.93; (2) the raw DICOM image is not necessary in testing. Highly compressed image like Jpeg can be used to allow a quick diagnosis; and (3) it discriminates the virus infection within 6 seconds and thus allows an online test with light cost. We also applied our model on 48 asymptomatic patients diagnosed with COVID-19. We found that: (1) the positive rate of RT-PCR assay is 63.5% (687/1082). (2) 45.8% (22/48) of the RT-PCR assay is negative for asymptomatic patients, yet the accuracy of CT scans is 95.8%. The online detection system is available: http://212.64.70.65/covid .
  • |*Data Compression[MESH]
  • |*Deep Learning[MESH]
  • |*Tomography, X-Ray Computed[MESH]
  • |Adolescent[MESH]
  • |Adult[MESH]
  • |Aged[MESH]
  • |Aged, 80 and over[MESH]
  • |COVID-19/diagnosis/*diagnostic imaging/*virology[MESH]
  • |Child[MESH]
  • |Child, Preschool[MESH]
  • |Cohort Studies[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Infant[MESH]
  • |Infant, Newborn[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |ROC Curve[MESH]
  • |Reproducibility of Results[MESH]
  • |SARS-CoV-2/physiology[MESH]
  • |Thorax/*diagnostic imaging[MESH]


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