CrodenseNet: An efficient parallel cross DenseNet for COVID-19 infection detection

Jingdong Yang; Lei Zhang; Xinjun Tang

doi:10.1016/j.bspc.2022.103775

CrodenseNet: An efficient parallel cross DenseNet for COVID-19 infection detection

Biomed Signal Process Control. 2022 Aug:77:103775. doi: 10.1016/j.bspc.2022.103775. Epub 2022 May 2.

Authors

Jingdong Yang¹, Lei Zhang¹, Xinjun Tang²

Affiliations

¹ School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
² Department of Respiratory and Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai 200032, China.

Abstract

Purpose At present, though the application of Convolution Neural Network (CNN) to detect COVID-19 infection significantly enhance the detection performance and efficiency, it often causes low sensitivity and poor generalization performance. Methods In this article, an effective CNN, CrodenseNet is proposed for COVID-19 detection. CrodenseNet consists of two parallel DenseNet Blocks, each of which contains dilated convolutions with different expansion scales and traditional convolutions. We employ cross-dense connections and one-sided soft thresholding to the layers for filtering of noise-related features, and increase information interaction of local and global features. Results Cross-validation experiments on COVID-19x dataset shows that via CrodenseNet the COVID-19 detection attains the precision of 0.967 ± 0.010, recall of 0.967 ± 0.010, F1-score of 0.973 ± 0.005, AP (area under P-R curve) of 0.991 ± 0.002, and AUC (area under ROC curve) of 0.996 ± 0.001. Conclusion CrodenseNet outperforms a variety of state-of-the-art models in terms of evaluation metrics so it assists clinicians to prompt diagnosis of COVID-19 infection.

Keywords: CNN; Cross dense connections; DenseNet; One-sided soft thresholding transformation.