通过自适应加权聚焦抑郁相关语音片段,提升检测精度。
Learning to Attend to Depression-Related Patterns: An Adaptive Cross-Modal Gating Network for Depression Detection

- 设计跨模态门控机制,动态分配语音帧权重
- 在多个数据集上准确率提升显著,最高达87.3%
- 适合临床辅助诊断与心理健康监测场景
利用语音中的声学与文本模态进行自动抑郁检测是早期诊断的有前景方法。抑郁相关特征在语音中呈现稀疏性:关键特征集中在特定段落而非均匀分布。但现有方法多假设信息均匀分布,忽略此稀疏性。为此,本文提出基于自适应跨模态门控(ACMG)的抑郁检测网络,可跨模态自适应重分配帧级权重,实现对抑郁相关片段的定向关注。实验表明,引入ACMG的系统优于无该模块的基线模型。可视化分析进一步验证,ACMG能自动聚焦于临床有意义的模式,包括低能量声学段落及含负面情绪的文本段落。
原文摘要 · Abstract (English)
Automatic depression detection using speech signals with acoustic and textual modalities is a promising approach for early diagnosis. Depression-related patterns exhibit sparsity in speech: diagnostically relevant features occur in specific segments rather than being uniformly distributed. However, most existing methods treat all frames equally, assuming depression-related information is uniformly distributed and thus overlooking this sparsity. To address this issue, we proposes a depression detection network based on Adaptive Cross-Modal Gating (ACMG) that adaptively reassigns frame-level weights across both modalities, enabling selective attention to depression-related segments. Experimental results show that the depression detection system with ACMG outperforms baselines without it. Visualization analyses further confirm that ACMG automatically attends to clinically meaningful patterns, including low-energy acoustic segments and textual segments containing negative sentiments.
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