对基于EEG的情绪识别进行域自适应深度可能性集群
Yufang Dan1,2,3,4,5, Qun Li1, Xianhua Wang1
1Institute of Artificial Intelligence Application, Ningbo Polytechnic, Ningbo, China.
Frontiers in neuroscience
|August 7, 2025
概括
一种新的域自适应深度可能性集群 (DADPc) 方法通过降低噪音灵敏度来改善电脑电图 (EEG) 情绪识别. 这种方法增强了跨主题和会话的概括性,以便更可靠地检测情绪.
科学领域:
- 神经科学是一个神经科学.
- 机器学习 机器学习
- 信号处理 信号处理
背景情况:
- 使用脑电图 (EEG) 数据的情绪识别面临挑战,原因是神经信号的变化和有限的标记数据.
- 传统的域适应 (DA) 方法难以推广,特别是当噪音引发域转移时,通常会被最大平均差异 (MMD) 等技术加剧.
研究的目的:
- 引入一个新的框架,域自适应深度可能性集群 (DADPc),用于基于EEG的强大的情绪识别.
- 解决现有的DA方法的局限性,特别是它们对噪声引起的域移动和不良概括性的敏感性.
主要方法:
- 开发了DADPc,将深度域不变特征学习与可能集群集成在一起.
- 改制的MMD作为一个模糊的调节的一个中心集群任务.
- 整合了自适应加权损失和内存银行策略,以提高伪标签可靠性和跨域对齐.
主要成果:
- DADPc有效地减轻噪声引起的域移动,同时保持特征可区分性.
- 在SEED,SEED-IV和DEAP数据集上的实验表明,在情绪识别方面表现优越.
- 在跨主题和跨会话场景中,在准确性和概括性方面观察到显著的改进.
结论:
- DADPc为基于EEG的实际情绪识别提供了一个强大的解决方案.
- 该框架通过将深度学习与可能集群相结合,推进跨领域的EEG分析.
- 这项研究增强了EEG信号对一般化情绪识别的最新技术.
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