arXiv:2501.16353cs.NEcs.AI2025-01被引 6

用监督神经气泡网络快速生成生理情绪数据,解决数据稀缺问题。

Synthetic Data Generation by Supervised Neural Gas Network for Physiological Emotion Recognition Data

  • 基于监督神经气泡网络生成类真实生理情绪数据
  • 生成速度显著快于条件VAE、GAN、扩散模型等
  • 适合需要高效合成数据的实时情绪识别研究

生理信号情绪识别面临数据稀缺挑战,因隐私和物流限制难以获取全面多样的数据集。这制约了鲁棒模型的开发与泛化能力,因此亟需高效的合成数据生成方法。本研究提出一种基于监督神经气泡(SNG)网络的合成数据生成新方法,利用其在特征空间和拓扑结构上的自适应组织能力,生成保留原始生理情绪数据内在模式的合成数据。实验表明,该方法在处理速度上显著优于条件VAE、条件GAN、扩散模型和变分LSTM等主流模型,尽管在某些评估中未全面领先,但在多数情况下表现更优且效率极高。结果证明SNG在快速、高效、有效生成情绪识别合成数据方面具有潜力。

原文摘要 · Abstract (English)

Data scarcity remains a significant challenge in the field of emotion recognition using physiological signals, as acquiring comprehensive and diverse datasets is often prevented by privacy concerns and logistical constraints. This limitation restricts the development and generalization of robust emotion recognition models, making the need for effective synthetic data generation methods more critical. Emotion recognition from physiological signals such as EEG, ECG, and GSR plays a pivotal role in enhancing human-computer interaction and understanding human affective states. Utilizing these signals, this study introduces an innovative approach to synthetic data generation using a Supervised Neural Gas (SNG) network, which has demonstrated noteworthy speed advantages over established models like Conditional VAE, Conditional GAN, diffusion model, and Variational LSTM. The Neural Gas network, known for its adaptability in organizing data based on topological and feature-space proximity, provides a robust framework for generating real-world-like synthetic datasets that preserve the intrinsic patterns of physiological emotion data. Our implementation of the SNG efficiently processes the input data, creating synthetic instances that closely mimic the original data distributions, as demonstrated through comparative accuracy assessments. In experiments, while our approach did not universally outperform all models, it achieved superior performance against most of the evaluated models and offered significant improvements in processing time. These outcomes underscore the potential of using SNG networks for fast, efficient, and effective synthetic data generation in emotion recognition applications.

合成数据情绪识别神经气泡生理信号

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