arXiv:2606.03310cs.LGcs.AI2026-06中稿 · ICML

提出多尺度超图学习框架,捕捉大脑区域间高阶关联以辅助神经退行性疾病诊断。

Learning Multi-Scale Hypergraph for High-Order Brain Connectivity Analysis

论文配图:Learning Multi-Scale Hypergraph for High-Order Brain Connectivity Analysis
图 1 · 摘自论文原文
  • 动态构建多分辨率超边,自适应学习高阶脑区连接模式。
  • 在多个脑网络数据集上提升疾病分类准确率,尤其在早期阶段表现显著。
  • 可识别关键脑区及群体交互关系,适合神经科学与医学影像研究者使用。

理解脑区间的复杂交互对早期神经退行性疾病(如阿尔茨海默病和帕金森病)的分类至关重要。尽管图模型广泛用于脑网络分析,但多数方法仅关注节点间的成对连接,难以捕捉多区域间的高阶依赖关系。虽已有超图方法建模高阶关系,但许多依赖预定义超边或仅学习超边权重,灵活性不足,限制了对多尺度结构模式的捕捉能力。为此,本文提出自适应多尺度超边学习框架MuHL,通过多层次节点特征构建与连续超边生成,在多分辨率图信号上动态学习高阶交互。在多个脑网络基准数据集上的实验表明,MuHL在不同疾病阶段均持续提升分类性能,并能从学习到的超边中识别出与疾病进展相关的兴趣脑区(ROIs)及其群体交互模式,展现出在神经退行性疾病脑网络分析中的强大潜力。

原文摘要 · Abstract (English)

Understanding complex interactions between brain regions is critical for early neurodegenerative disease classification such as Alzheimer's Disease (AD) and Parkinson's Disease (PD). While graph-based models are widely used to analyze brain networks, most existing approaches primarily focus on pairwise interactions between directly connected nodes, limiting their ability to capture higher-order dependencies across multiple regions. Although hypergraph-based methods have been proposed to model higher-order relations, many rely on predefined hyperedges or restrict learning to hyperedge weights, reducing flexibility and limiting their capacity to capture multi-resolution structural patterns. In this regard, we introduce an adaptive multi-scale hyperedge learning framework, i.e., MuHL, which constructs hierarchical node features and dynamically learns high-order interactions through continuous hyperedge construction over multi-resolution graph signals. Extensive experiments on multiple brain network benchmarks demonstrate that MuHL consistently improves disease classification performance across different stages, and further identifies key regions of interest (ROIs) and their group-wise interactions from the learned hyperedges that are associated with disease progression, highlighting its potential as a powerful tool for brain network analysis in neurodegenerative disorders.

脑网络分析超图学习神经退行性疾病

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