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논문 기본 정보

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(IAU) (IAU) (Lovely Professional University) (University of California) (Dong-Eui University)
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한국멀티미디어학회 멀티미디어학회논문지 멀티미디어학회논문지 제29권 제3호
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    초록·키워드

    Diabetic retinopathy remains a leading cause of vision loss worldwide, with early detection essential to prevent irreversible impairment. This study proposes an explainable multimodal deep learning framework that integrates high-resolution retinal fundus images with structured clinical metadata for diabetic retinopathy severity classification. The architecture combines convolutional features extracted using EfficientNetB0 with a parallel multi-layer perception trained on patient-specific variables including age, diabetes duration, HbA1c, blood pressure, and body mass index. On the APTOS 2019 dataset (n = 3,662), the model achieved a 5-fold cross-validation accuracy of 81.3%, a weighted F1-score of 0.80, and an AUC of 0.936 across five severity stages. External validation on Messidor-2 demonstrated performance degradation, indicating domain shift and limited cross-dataset generalization. Grad-CAM visualizations highlighted clinically relevant retinal regions, while SHAP analysis confirmed the importance of systemic risk factors such as HbA1c and diabetes duration. The results indicate strong performance, interpretability, and suitability for screening and tele-ophthalmology workflows.

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