arXiv:2604.19823cs.CVcs.AI2026-04中稿 · publication in ICM…

用AI自动诊断狂犬病,适合资源匮乏地区

Rabies diagnosis in low-data settings: A comparative study on the impact of data augmentation and transfer learning

论文配图:Rabies diagnosis in low-data settings: A comparative study on the impact of data augmentation and transfer learning
图 1 · 摘自论文原文
  • 用迁移学习+数据增强处理少量荧光图像
  • 最佳模型准确率达94.5%,在小样本下表现稳定
  • 结果可部署在线工具,适合基层医疗使用

狂犬病仍是非洲和亚洲多国的重大公共卫生问题,准确诊断对流行病学监测至关重要。传统金标准依赖荧光显微镜,需专业人员解读,而此类人才在年样本量少的地区极为稀缺。本文提出一种自动化AI诊断系统,采用四种深度学习架构(EfficientNetB0、EfficientNetB2、VGG16、ViTB16)结合迁移学习分析荧光图像。在包含155张显微图像(123例阳性,32例阴性)的数据集上,评估三种数据增强策略。结果显示,TrivialAugmentWide最有效,能保留关键荧光特征并提升模型鲁棒性。通过分层三折交叉验证,选用几何与颜色增强的EfficientNetB0在裁剪图像上表现最优,分类准确率达94.5%。尽管存在类别不平衡和数据量有限的问题,本研究证实深度学习可用于自动化狂犬病诊断。已部署在线工具,为未来医学影像应用提供可复用框架。优化后的深度学习模型有望显著改善狂犬病诊断效率和公共健康结果。

原文摘要 · Abstract (English)

Rabies remains a major public health concern across many African and Asian countries, where accurate diagnosis is critical for effective epidemiological surveillance. The gold standard diagnostic methods rely heavily on fluorescence microscopy, necessitating skilled laboratory personnel for the accurate interpretation of results. Such expertise is often scarce, particularly in regions with low annual sample volumes. This paper presents an automated, AI-driven diagnostic system designed to address these challenges. We developed a robust pipeline utilizing fluorescent image analysis through transfer learning with four deep learning architectures: EfficientNetB0, EfficientNetB2, VGG16, and Vision Transformer (ViTB16). Three distinct data augmentation strategies were evaluated to enhance model generalization on a dataset of 155 microscopic images (123 positive and 32 negative). Our results demonstrate that TrivialAugmentWide was the most effective augmentation technique, as it preserved critical fluorescent patterns while improving model robustness. The EfficientNetB0 model, utilizing Geometric & Color augmentation and selected through stratified 3fold cross-validation, achieved optimal classification performance on cropped images. Despite constraints posed by class imbalance and a limited dataset size, this work confirms the viability of deep learning for automating rabies diagnosis. The proposed method enables fast and reliable detection with significant potential for further optimization. An online tool was deployed to facilitate practical access, establishing a framework for future medical imaging applications. This research underscores the potential of optimized deep learning models to transform rabies diagnostics and improve public health outcomes.

AI诊断小样本医学影像狂犬病

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