Automatic classification of esophageal disease in gastroscopic images using an efficient channel attention deep dense convolutional neural network

Posted on 03.05.2021 - 14:46
The accurate diagnosis of various esophageal diseases at different stages is crucial for providing precision therapy planning and improving 5-year survival rate of esophageal cancer patients. Automatic classification of various esophageal diseases in gastroscopic images can assist doctors to improve the diagnosis efficiency and accuracy. The existing deep learning-based classification method can only classify very few categories of esophageal diseases at the same time. Hence, we proposed a novel efficient channel attention deep dense convolutional neural network (ECA-DDCNN), which can classify the esophageal gastroscopic images into four main categories including normal esophagus (NE), precancerous esophageal diseases (PEDs), early esophageal cancer (EEC) and advanced esophageal cancer (AEC), covering six common sub-categories of esophageal diseases and one normal esophagus (seven sub-categories). In total, 20,965 gastroscopic images were collected from 4,077 patients and used to train and test our proposed method. Extensive experiments results have demonstrated convincingly that our proposed ECA-DDCNN outperforms the other state-of-art methods. The classification accuracy (Acc) of our method is 90.63% and the averaged area under curve (AUC) is 0.9877. Compared with other state-of-art methods, our method shows better performance in the classification of various esophageal disease. Particularly for these esophageal diseases with similar mucosal features, our method also achieves higher true positive (TP) rates. In conclusion, our proposed classification method has confirmed its potential ability in a wide variety of esophageal disease diagnosis.

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Du, Wenju; Rao, Nini; Dong, Changlong; Wang, Yingchun; Hu, Dingcan; Zhu, Linlin; et al. (2021): Automatic classification of esophageal disease in gastroscopic images using an efficient channel attention deep dense convolutional neural network. The Optical Society. Collection. https://doi.org/10.6084/m9.figshare.c.5401434.v2
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Biomedical Optics Express

AUTHORS (8)

Wenju Du
Nini Rao
Changlong Dong
Yingchun Wang
Dingcan Hu
Linlin Zhu
Bing Zeng
Tao Gan

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