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Affective computing is an important branch of artificial intelligence, and with the rapid development of brain computer interface technology, emotion recognition based on EEG signals has received broad attention. It is still a great…

Signal Processing · Electrical Eng. & Systems 2022-12-26 Yongling Xu , Yang Du , Jing Zou , Tianying Zhou , Lushan Xiao , Li Liu , Pengcheng

Variational autoencoders are powerful algorithms for identifying dominant latent structure in a single dataset. In many applications, however, we are interested in modeling latent structure and variation that are enriched in a target…

Machine Learning · Computer Science 2019-02-14 Abubakar Abid , James Zou

Considerable attention has been paid for physiological signal-based emotion recognition in field of affective computing. For the reliability and user friendly acquisition, Electrodermal Activity (EDA) has great advantage in practical…

Sound · Computer Science 2022-05-16 Guanghao Yin , Shouqian Sun , Dian Yu , Dejian Li , Kejun Zhang

Applications in behavioural research, human-computer interaction, and mental health depend on the ability to recognize emotions. In order to improve the accuracy of emotion recognition using electroencephalography (EEG) data, this work…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Ali Asgar Chandanwala , Srutakirti Bhowmik , Parna Chaudhury , Sheena Christabel Pravin

Emotion recognition has significant potential in healthcare and affect-sensitive systems such as brain-computer interfaces (BCIs). However, challenges such as the high cost of labeled data and variability in electroencephalogram (EEG)…

Signal Processing · Electrical Eng. & Systems 2024-11-21 Md Niaz Imtiaz , Naimul Khan

Multimodal emotion recognition plays a key role in many domains, including mental health monitoring, educational interaction, and human-computer interaction. However, existing methods often face three major challenges: unbalanced category…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Feng Li , Ke Wu , Yongwei Li

Facial expression recognition has been an active research area over the past few decades, and it is still challenging due to the high intra-class variation. Traditional approaches for this problem rely on hand-crafted features such as SIFT,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Shervin Minaee , Amirali Abdolrashidi

While pre-trained language models excel at semantic understanding, they often struggle to capture nuanced affective information critical for affective recognition tasks. To address these limitations, we propose a novel framework for…

Computation and Language · Computer Science 2025-03-03 Seungah Son , Andrez Saurez , Dongsoo Har

Multimodal dimensional emotion recognition has drawn a great attention from the affective computing community and numerous schemes have been extensively investigated, making a significant progress in this area. However, several questions…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Dung Nguyen , Duc Thanh Nguyen , Rui Zeng , Thanh Thi Nguyen , Son N. Tran , Thin Nguyen , Sridha Sridharan , Clinton Fookes

Cognitive load, the amount of mental effort required for task completion, plays an important role in performance and decision-making outcomes, making its classification and analysis essential in various sensitive domains. In this paper, we…

Machine Learning · Computer Science 2023-08-02 Dustin Pulver , Prithila Angkan , Paul Hungler , Ali Etemad

In the context of electroencephalogram (EEG)-based driver drowsiness recognition, it is still challenging to design a calibration-free system, since EEG signals vary significantly among different subjects and recording sessions. Many…

Signal Processing · Electrical Eng. & Systems 2022-02-21 Jian Cui , Zirui Lan , Olga Sourina , Wolfgang Müller-Wittig

Deep learning has been applied to achieve significant progress in emotion recognition. Despite such substantial progress, existing approaches are still hindered by insufficient training data, and the resulting models do not generalize well…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Dung Nguyen , Sridha Sridharan , Duc Thanh Nguyen , Simon Denman , Son N. Tran , Rui Zeng , Clinton Fookes

In this paper, we focus on the challenge of individual variability in affective brain-computer interfaces (aBCI), which employs electroencephalogram (EEG) signals to monitor and recognize human emotional states, thereby facilitating the…

Human-Computer Interaction · Computer Science 2025-02-25 Jiahao Tang

Electroencephalogram (EEG) signals serve as a powerful tool in affective Brain-Computer Interfaces (aBCIs) and play a crucial role in affective computing. In recent years, the introduction of deep learning techniques has significantly…

Machine Learning · Computer Science 2025-08-08 Guangli Li , Canbiao Wu , Zhehao Zhou , Tuo Sun , Ping Tan , Li Zhang , Zhen Liang

Facial expressions are one of the most powerful ways for depicting specific patterns in human behavior and describing human emotional state. Despite the impressive advances of affective computing over the last decade, automatic video-based…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Thomas Teixeira , Eric Granger , Alessandro Lameiras Koerich

EEG based multi-dimension emotion recognition has attracted substantial research interest in human computer interfaces. However, the high dimensionality of EEG features, coupled with limited sample sizes, frequently leads to classifier…

Human-Computer Interaction · Computer Science 2025-08-08 Tianze Yu , Junming Zhang , Wenjia Dong , Xueyuan Xu , Li Zhuo

A key challenge for Emotion Recognition in Conversations (ERC) is to distinguish semantically similar emotions. Some works utilise Supervised Contrastive Learning (SCL) which uses categorical emotion labels as supervision signals and…

Computation and Language · Computer Science 2023-02-10 Kailai Yang , Tianlin Zhang , Hassan Alhuzali , Sophia Ananiadou

EEG is a non-invasive, safe, and low-risk method to record electrophysiological signals inside the brain. Especially with recent technology developments like dry electrodes, consumer-grade EEG devices, and rapid advances in machine…

Machine Learning · Computer Science 2025-06-23 Tri Duc Ly , Gia H. Ngo

Emotion recognition using Electroencephalogram (EEG) signals has emerged as a significant research challenge in affective computing and intelligent interaction. However, effectively combining global and local features of EEG signals to…

Signal Processing · Electrical Eng. & Systems 2023-05-10 Wei Lu , Hua Ma , Tien-Ping Tan

The utilization of deep learning on electrocardiogram (ECG) analysis has brought the advanced accuracy and efficiency of cardiac healthcare diagnostics. By leveraging the capabilities of deep learning in semantic understanding, especially…

Signal Processing · Electrical Eng. & Systems 2024-10-25 Han Yu , Peikun Guo , Akane Sano