融合医学文本与影像的脑出血分割与预后分类网络
ICH-SCNet: Intracerebral Hemorrhage Segmentation and Prognosis Classification Network Using CLIP-guided SAM mechanism
- 用CLIP引导的SAM机制实现图文跨模态交互
- 在脑出血数据集上分割与分类均超越现有方法
- 适合临床辅助决策与多模态医学图像分析研究者
脑出血(ICH)是致死率最高的卒中亚型,具有高致残率。准确分割病灶区域并预测预后对制定治疗方案至关重要。然而,现有方法独立处理这两项任务,且主要依赖影像数据,忽视了任务间及模态间的内在关联。本文提出一种多任务网络 ICH-SCNet,同时完成脑出血分割与预后分类。具体地,引入 SAM-CLIP 跨模态交互机制,将医学文本与分割辅助信息与神经影像数据融合,增强跨模态特征识别;同时设计有效的特征融合模块与多任务损失函数以进一步提升性能。在 ICH 数据集上的大量实验表明,该方法在分类任务整体表现上优于其他先进模型,并在所有分割指标上均取得最佳结果。
原文摘要 · Abstract (English)
Intracerebral hemorrhage (ICH) is the most fatal subtype of stroke and is characterized by a high incidence of disability. Accurate segmentation of the ICH region and prognosis prediction are critically important for developing and refining treatment plans for post-ICH patients. However, existing approaches address these two tasks independently and predominantly focus on imaging data alone, thereby neglecting the intrinsic correlation between the tasks and modalities. This paper introduces a multi-task network, ICH-SCNet, designed for both ICH segmentation and prognosis classification. Specifically, we integrate a SAM-CLIP cross-modal interaction mechanism that combines medical text and segmentation auxiliary information with neuroimaging data to enhance cross-modal feature recognition. Additionally, we develop an effective feature fusion module and a multi-task loss function to improve performance further. Extensive experiments on an ICH dataset reveal that our approach surpasses other state-of-the-art methods. It excels in the overall performance of classification tasks and outperforms competing models in all segmentation task metrics.
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