Set-pMAE: spatial-spEctral-temporal based parallel masked autoEncoder for EEG emotion recognition

IF 3.1 3区 工程技术 Q2 NEUROSCIENCES
Chenyu Pan, Huimin Lu, Chenglin Lin, Zeyi Zhong, Bing Liu
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引用次数: 0

Abstract

The utilization of Electroencephalography (EEG) for emotion recognition has emerged as the primary tool in the field of affective computing. Traditional supervised learning methods are typically constrained by the availability of labeled data, which can result in weak generalizability of learned features. Additionally, EEG signals are highly correlated with human emotional states across temporal, spatial, and spectral dimensions. In this paper, we propose a Spatial-spEctral-Temporal based parallel Masked Autoencoder (SET-pMAE) model for EEG emotion recognition. SET-pMAE learns generic representations of spatial-temporal features and spatial-spectral features through a dual-branch self-supervised task. The reconstruction task of the spatial-temporal branch aims to capture the spatial-temporal contextual dependencies of EEG signals, while the reconstruction task of the spatial-spectral branch focuses on capturing the intrinsic spatial associations of the spectral domain across different brain regions. By learning from both tasks simultaneously, SET-pMAE can capture the generalized representations of features from the both tasks, thereby reducing the risk of overfitting. In order to verify the effectiveness of the proposed model, a series of experiments are conducted on the DEAP and DREAMER datasets. Results from experiments reveal that by employing self-supervised learning, the proposed model effectively captures more discriminative and generalized features, thereby attaining excellent performance.

Abstract Image

Set-pMAE:用于脑电图情绪识别的基于空间-ctral-temporal 的并行屏蔽自动编码器
利用脑电图(EEG)进行情绪识别已成为情感计算领域的主要工具。传统的监督学习方法通常受制于标记数据的可用性,这可能导致所学特征的泛化能力较弱。此外,脑电信号在时间、空间和频谱维度上与人类情绪状态高度相关。在本文中,我们提出了一种基于空间-外延-时间的并行掩码自动编码器(SET-pMAE)模型,用于脑电图情绪识别。SET-pMAE 通过双分支自监督任务学习空间-时间特征和空间-光谱特征的通用表征。空间-时间分支的重构任务旨在捕捉脑电信号的空间-时间上下文依赖关系,而空间-频谱分支的重构任务则侧重于捕捉不同脑区频谱域的内在空间关联。通过同时学习这两个任务,SET-pMAE 可以捕捉这两个任务中特征的广义表征,从而降低过拟合的风险。为了验证所提模型的有效性,我们在 DEAP 和 DREAMER 数据集上进行了一系列实验。实验结果表明,通过采用自监督学习,所提出的模型有效地捕捉到了更多具有区分性和概括性的特征,从而获得了优异的性能。
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来源期刊
Cognitive Neurodynamics
Cognitive Neurodynamics 医学-神经科学
CiteScore
6.90
自引率
18.90%
发文量
140
审稿时长
12 months
期刊介绍: Cognitive Neurodynamics provides a unique forum of communication and cooperation for scientists and engineers working in the field of cognitive neurodynamics, intelligent science and applications, bridging the gap between theory and application, without any preference for pure theoretical, experimental or computational models. The emphasis is to publish original models of cognitive neurodynamics, novel computational theories and experimental results. In particular, intelligent science inspired by cognitive neuroscience and neurodynamics is also very welcome. The scope of Cognitive Neurodynamics covers cognitive neuroscience, neural computation based on dynamics, computer science, intelligent science as well as their interdisciplinary applications in the natural and engineering sciences. Papers that are appropriate for non-specialist readers are encouraged. 1. There is no page limit for manuscripts submitted to Cognitive Neurodynamics. Research papers should clearly represent an important advance of especially broad interest to researchers and technologists in neuroscience, biophysics, BCI, neural computer and intelligent robotics. 2. Cognitive Neurodynamics also welcomes brief communications: short papers reporting results that are of genuinely broad interest but that for one reason and another do not make a sufficiently complete story to justify a full article publication. Brief Communications should consist of approximately four manuscript pages. 3. Cognitive Neurodynamics publishes review articles in which a specific field is reviewed through an exhaustive literature survey. There are no restrictions on the number of pages. Review articles are usually invited, but submitted reviews will also be considered.
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