期刊
IRBM
卷 43, 期 2, 页码 114-119出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.irbm.2020.07.001
关键词
Deep learning; COVID-19; Chest x-ray; Transfer learning
资金
- Manipal University Jaipur
This paper discusses the use of real-time polymerase chain reaction (RT-PCR) and radiological imaging techniques (such as chest X-rays and CT scans) for detecting and diagnosing COVID-19. Chest X-rays are preferred due to their availability, lower cost, and lower ionizing radiation compared to CT scans. The paper aims to develop an automated deep transfer learning-based approach using the extreme version of the Inception (Xception) model for COVID-19 detection in chest X-rays.
The most widely used novel coronavirus (COVID-19) detection technique is a real-time polymerase chain reaction (RT-PCR). However, RT-PCR kits are costly and take 6-9 hours to confirm infection in the patient. Due to less sensitivity of RT-PCR, it provides high false-negative results. To resolve this problem, radiological imaging techniques such as chest X-rays and computed tomography (CT) are used to detect and diagnose COVID-19. In this paper, chest X-rays is preferred over CT scan. The reason behind this is that X-rays machines are available in most of the hospitals. X-rays machines are cheaper than the CT scan machine. Besides this, X-rays has low ionizing radiations than CT scan. COVID-19 reveals some radiological signatures that can be easily detected through chest X-rays. For this, radiologists are required to analyze these signatures. However, it is a time-consuming and error-prone task. Hence, there is a need to automate the analysis of chest X-rays. The automatic analysis of chest X-rays can be done through deep learning-based approaches, which may accelerate the analysis time. These approaches can train the weights of networks on large datasets as well as fine-tuning the weights of pre-trained networks on small datasets. However, these approaches applied to chest X-rays are very limited. Hence, the main objective of this paper is to develop an automated deep transfer learning-based approach for detection of COVID-19 infection in chest X-rays by using the extreme version of the Inception (Xception) model.
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