Enhancing EEG Signal-Based Emotion Recognition with Synthetic Data: Diffusion Model Approach

Fuente: arXiv
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Main Authors: Siddhad, Gourav, Iwamura, Masakazu, Roy, Partha Pratim
Format: Preprint
Published: 2024
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author Siddhad, Gourav
Iwamura, Masakazu
Roy, Partha Pratim
author_facet Siddhad, Gourav
Iwamura, Masakazu
Roy, Partha Pratim
contents Emotions are crucial in human life, influencing perceptions, relationships, behaviour, and choices. Emotion recognition using Electroencephalography (EEG) in the Brain-Computer Interface (BCI) domain presents significant challenges, particularly the need for extensive datasets. This study aims to generate synthetic EEG samples similar to real samples but distinct by augmenting noise to a conditional denoising diffusion probabilistic model, thus addressing the prevalent issue of data scarcity in EEG research. The proposed method is tested on the DEAP and SADT datasets, showcasing up to 5.6% improvement in classification accuracy when using synthetic data with DEAP and similar positive results with SADT. This is higher compared to the traditional Generative Adversarial Network (GAN) based and Denoising Diffusion Probabilistic Model (DDPM) based approaches. This study further evaluates the effectiveness of state-of-the-art classifiers on EEG data, employing both real and synthetic data with varying noise levels, and utilizes t-SNE and SHAP for detailed analysis and interpretability. The proposed diffusion-based approach for EEG data generation appears promising in refining the accuracy of emotion recognition systems and marks a notable contribution to EEG-based emotion recognition.
format Preprint
id arxiv_https___arxiv_org_abs_2401_16878
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Enhancing EEG Signal-Based Emotion Recognition with Synthetic Data: Diffusion Model Approach
Siddhad, Gourav
Iwamura, Masakazu
Roy, Partha Pratim
Human-Computer Interaction
Emotions are crucial in human life, influencing perceptions, relationships, behaviour, and choices. Emotion recognition using Electroencephalography (EEG) in the Brain-Computer Interface (BCI) domain presents significant challenges, particularly the need for extensive datasets. This study aims to generate synthetic EEG samples similar to real samples but distinct by augmenting noise to a conditional denoising diffusion probabilistic model, thus addressing the prevalent issue of data scarcity in EEG research. The proposed method is tested on the DEAP and SADT datasets, showcasing up to 5.6% improvement in classification accuracy when using synthetic data with DEAP and similar positive results with SADT. This is higher compared to the traditional Generative Adversarial Network (GAN) based and Denoising Diffusion Probabilistic Model (DDPM) based approaches. This study further evaluates the effectiveness of state-of-the-art classifiers on EEG data, employing both real and synthetic data with varying noise levels, and utilizes t-SNE and SHAP for detailed analysis and interpretability. The proposed diffusion-based approach for EEG data generation appears promising in refining the accuracy of emotion recognition systems and marks a notable contribution to EEG-based emotion recognition.
title Enhancing EEG Signal-Based Emotion Recognition with Synthetic Data: Diffusion Model Approach
topic Human-Computer Interaction
url https://arxiv.org/abs/2401.16878