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A structure-enhanced self-supervised learning framework for tongue-image-based diabetes screening

delete2026-09-18
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PRE
AI
李
李龙飞 (Longfei Li)
X
Xiaozheng Wang
Y
Yifei Song
Y
Yahui Liu
K
Keyu Zhu
Y
Yifeng Lin
S
Shuang Guo
P
Peng Li
DOI:10.1177/20552076261490693delete
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摘要

摘要

En 中文
目的:早期糖尿病筛查仍受限于传统生化检测的高成本及对专业设备的依赖。舌部成像作为一种非侵入且便捷的方式,可提供具有诊断价值的线索。然而,糖尿病相关的舌部表现通常空间稀疏且对比度低,难以标注且易被忽略。本研究旨在开发一种自监督学习框架,以增强基于舌部图像的糖尿病筛查中对微弱病理信号的保留。 方法:我们提出舌部结构增强学习(TSEL),一种整合了结构约束表示学习的自监督框架。具体而言,引入结构解耦预测器(SDP)为图像块分配软结构属性,以减少背景主导的干扰。此外,设计了结构增强一致性(SECC)机制,用于对齐完整视图与掩码视图之间的表示,提升表示稳定性。该方法在三个糖尿病相关舌部图像数据集上进行了评估。 结果:实验结果表明,TSEL在所有数据集上均优于多种自监督学习基准,尤其在低标签设置下表现出显著改进。该框架在捕获具有诊断价值的特征方面展现出较传统方法更强的能力。 结论:TSEL通过结构约束学习有效保留了舌部图像中微弱、空间稀疏的病理信号。这些发现强调了在自监督框架中纳入结构先验的重要性,并展示了TSEL在非侵入性糖尿病筛查中的潜力。

期刊

D
Digital Health
IF:
3.3
论文数:
1.3K
被引数:
0

机构

H
henan university of technology
学者数:
3.3K
论文数: 921
被引数: 0
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