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Heterogeneous Masked Attention-Guided Path Convolution for Functional Brain Network Analysis

delete2026-01-01
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PRE
AI
X
Xu, Jiakun
X
Xin Zhang
T
Tong Xiong
S
Shengxian Chen
X
Xiaofen Xing
H
Hao, Jindou
X
Xiangmin Xu *
DOI:10.1007/978-3-032-05162-2_37delete
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摘要

摘要

En 中文
脑功能连接分析在脑部疾病的计算机辅助诊断中发挥着关键作用。大脑组织是一种具有不同功能分区的异构结构。然而,当前的异构算法在表征异构关系时常常引入过多参数,导致冗余和过拟合。为解决这些问题,我们提出了异构掩码注意力引导路径卷积(HM-AGPC)用于功能脑网络分析。HM-AGPC引入了一种异构掩码注意力生成机制,在保留有价值异构关系的同时,最小化冗余交互并突出关键功能连接。此外,该框架整合了注意力引导路径卷积策略,利用注意力权重引导卷积核聚焦于最显著的特征和通路。该方法在不直接引入额外参数的情况下提升模型性能,从而提高特征学习效率。我们在ABIDE数据集上采用十折交叉验证评估HM-AGPC,其相较于当前最优方法在疾病诊断任务中表现出更优性能。此外,该框架具有高可解释性,使其成为计算机辅助诊断和潜在生物标志物识别的有前景工具。
Keyword:
Heterogeneous mask
Attention-guided path convolution
Functional brain network analysis

期刊

M
MEDICAL IMAGE COMPUTING AND COMPUTER ASSISTED INTERVENTION - MICCAI 2025, PT XII
IF:
0
论文数:
48
被引数:
0

机构

S
shenzhen maternity & child healthcare hospital
学者数:
66
论文数: 29
被引数: 0
S
south china university of technology
学者数:
6.8W
论文数: 5.1W
被引数: 85
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