期刊
FRONTIERS IN NEUROSCIENCE
卷 16, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnins.2022.993234
关键词
corneal ulcer classification; multi-scale information fusion; label smoothing; deep learning; fluorescein staining slit lamp images
资金
- National Social Science Fund of China
- Natural Science Research Project
- [19ZDA364]
- [tzpyxj137]
Corneal ulcer, a common symptom of corneal disease, can lead to corneal blindness. This study proposes a deep learning method based on multi-scale information fusion and label smoothing strategy, achieving accurate classification of corneal ulcer and assisting ophthalmologists in diagnosis.
Corneal ulcer is the most common symptom of corneal disease, which is one of the main causes of corneal blindness. The accurate classification of corneal ulcer has important clinical importance for the diagnosis and treatment of the disease. To achieve this, we propose a deep learning method based on multi-scale information fusion and label smoothing strategy. Firstly, the proposed method utilizes the densely connected network (DenseNet121) as backbone for feature extraction. Secondly, to fully integrate the shallow local information and the deep global information and improve the classification accuracy, we develop a multi-scale information fusion network (MIF-Net), which uses multi-scale information for joint learning. Finally, to reduce the influence of the inter-class similarity and intra-class diversity on the feature representation, the learning strategy of label smoothing is introduced. Compared with other state-of-the-art classification networks, the proposed MIF-Net with label smoothing achieves high classification performance, which reaches 87.07 and 83.84% for weighted-average recall (W_R) on the general ulcer pattern and specific ulcer pattern, respectively. The proposed method holds promise for corneal ulcer classification in fluorescein staining slit lamp images, which can assist ophthalmologists in the objective and accurate diagnosis of corneal ulcer.
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