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While unsupervised variational autoencoders (VAE) have become a powerful tool in neuroimage analysis, their application to supervised learning is under-explored. We aim to close this gap by proposing a unified probabilistic model for…

机器学习 · 计算机科学 2019-07-15 Qingyu Zhao , Ehsan Adeli , Nicolas Honnorat , Tuo Leng , Kilian M. Pohl

Human emotion is expressed in many communication modalities and media formats and so their computational study is equally diversified into natural language processing, audio signal analysis, computer vision, etc. Similarly, the large…

机器学习 · 计算机科学 2023-08-16 Sven Buechel , Udo Hahn

The data scarcity problem in emotion recognition from electroencephalography (EEG) leads to difficulty in building an affective model with high accuracy using machine learning algorithms or deep neural networks. Inspired by emerging deep…

信号处理 · 电气工程与系统科学 2020-06-18 Yun Luo , Li-Zhen Zhu , Zi-Yu Wan , Bao-Liang Lu

Among the different modalities to assess emotion, electroencephalogram (EEG), representing the electrical brain activity, achieved motivating results over the last decade. Emotion estimation from EEG could help in the diagnosis or…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Victor Delvigne , Antoine Facchini , Hazem Wannous , Thierry Dutoit , Laurence Ris , Jean-Philippe Vandeborre

Human affects are complex paradox and an active research domain in affective computing. Affects are traditionally determined through a self-report based psychometric questionnaire or through facial expression recognition. However, few…

人机交互 · 计算机科学 2021-02-16 Md. Mahbubur Rahman , Akash Poddar , Md. Golam Rabiul Alam , Samrat Kumar Dey

In this research, an emotion recognition system is developed based on valence/arousal model using electroencephalography (EEG) signals. EEG signals are decomposed into the gamma, beta, alpha and theta frequency bands using discrete wavelet…

机器学习 · 计算机科学 2019-06-04 Omid Bazgir , Zeynab Mohammadi , Seyed Amir Hassan Habibi

Recently, many efforts have been made to explore how the brain processes speech using electroencephalographic (EEG) signals, where deep learning-based approaches were shown to be applicable in this field. In order to decode speech signals…

音频与语音处理 · 电气工程与系统科学 2023-05-24 Qiushi Zhu , Xiaoying Zhao , Jie Zhang , Yu Gu , Chao Weng , Yuchen Hu

Autoencoders exhibit impressive abilities to embed the data manifold into a low-dimensional latent space, making them a staple of representation learning methods. However, without explicit supervision, which is often unavailable, the…

机器学习 · 计算机科学 2023-01-12 Felix Leeb , Stefan Bauer , Michel Besserve , Bernhard Schölkopf

Recent models of emotion recognition strongly rely on supervised deep learning solutions for the distinction of general emotion expressions. However, they are not reliable when recognizing online and personalized facial expressions, e.g.,…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Pablo Barros , German I. Parisi , Stefan Wermter

In this paper, we propose a deep learning framework, TSception, for emotion detection from electroencephalogram (EEG). TSception consists of temporal and spatial convolutional layers, which learn discriminative representations in the time…

信号处理 · 电气工程与系统科学 2020-04-09 Yi Ding , Neethu Robinson , Qiuhao Zeng , Duo Chen , Aung Aung Phyo Wai , Tih-Shih Lee , Cuntai Guan

Automatic facial expression recognition is an important research area in the emotion recognition and computer vision. Applications can be found in several domains such as medical treatment, driver fatigue surveillance, sociable robotics,…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Sevegni Odilon Clement Allognon , Alessandro L. Koerich , Alceu de S. Britto

Dimensional representations of speech emotions such as the arousal-valence (AV) representation provide a continuous and fine-grained description and control than their categorical counterparts. They have wide applications in tasks such as…

音频与语音处理 · 电气工程与系统科学 2024-02-07 Enting Zhou , You Zhang , Zhiyao Duan

Despite significant recent progress in the area of Brain-Computer Interface (BCI), there are numerous shortcomings associated with collecting Electroencephalography (EEG) signals in real-world environments. These include, but are not…

For several decades, electroencephalography (EEG) has featured as one of the most commonly used tools in emotional state recognition via monitoring of distinctive brain activities. An array of datasets have been generated with the use of…

Variational autoencoders (VAEs) have been used extensively to discover low-dimensional latent factors governing neural activity and animal behavior. However, without careful model selection, the uncovered latent factors may reflect noise in…

机器学习 · 计算机科学 2023-12-13 Julia Huiming Wang , Dexter Tsin , Tatiana Engel

Electroencephalography (EEG)-based emotion recognition plays a critical role in affective computing and emerging decision-support systems, yet remains challenging due to high-dimensional, noisy, and subject-dependent signals. This study…

机器学习 · 计算机科学 2026-02-09 S M Rakib UI Karim , Wenyi Lu , Diponkor Bala , Rownak Ara Rasul , Sean Goggins

Inter-subject or subject-independent emotion recognition has been a challenging task in affective computing. This work is about an easy-to-implement emotion recognition model that classifies emotions from EEG signals subject independently.…

人机交互 · 计算机科学 2023-12-27 Mohammad Asif , Diya Srivastava , Aditya Gupta , Uma Shanker Tiwary

Emotion recognition (ER) from speech signals is a robust approach since it cannot be imitated like facial expression or text based sentiment analysis. Valuable information underlying the emotions are significant for human-computer…

声音 · 计算机科学 2023-12-19 David Hason Rudd , Huan Huo , Guandong Xu

Recently, the representation of emotions in the Valence, Arousal and Dominance (VAD) space has drawn enough attention. However, the complex nature of emotions and the subjective biases in self-reported values of VAD make the emotion model…

人机交互 · 计算机科学 2024-01-17 Mohammad Asif , Noman Ali , Sudhakar Mishra , Anushka Dandawate , Uma Shanker Tiwary

Electroencephalografic (EEG) data are complex multi-dimensional time-series that are very useful in many applications, from diagnostics to driving brain-computer interface systems. Their classification is still a challenging task, due to…

信号处理 · 电气工程与系统科学 2024-07-30 Alberto Zancanaro , Giulia Cisotto , Italo Zoppis , Sara Lucia Manzoni