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With the advancement of artificial intelligence and computer vision technologies, multimodal emotion recognition has become a prominent research topic. However, existing methods face challenges such as heterogeneous data fusion and the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Wei Dai , Dequan Zheng , Feng Yu , Yanrong Zhang , Yaohui Hou

Electrocardiogram (ECG) diagnosis remains challenging due to limited labeled data and the need to capture subtle yet clinically meaningful variations in rhythm and morphology. We present CREMA (Contrastive Regularized Masked Autoencoder), a…

Machine Learning · Computer Science 2025-08-22 Junho Song , Jong-Hwan Jang , DongGyun Hong , Joon-myoung Kwon , Yong-Yeon Jo

In human interactions, emotion recognition is crucial. For this reason, the topic of computer-vision approaches for automatic emotion recognition is currently being extensively researched. Processing multi-channel electroencephalogram (EEG)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Joshua Bègue , Mohamed Aymen Labiod , Abdelhamid Melloulk

The progress of EEG-based emotion recognition has received widespread attention from the fields of human-machine interactions and cognitive science in recent years. However, how to recognize emotions with limited labels has become a new…

Signal Processing · Electrical Eng. & Systems 2022-08-03 Haoning Kan , Jiale Yu , Jiajin Huang , Zihe Liu , Haiyan Zhou

Due to the intracranial volume conduction effects, high-dimensional multi-channel electroencephalography (EEG) features often contain substantial redundant and irrelevant information. This issue not only hinders the extraction of…

Human-Computer Interaction · Computer Science 2025-08-08 Xueyuan Xu , Wenjia Dong , Fulin Wei , Li Zhuo

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…

Machine Learning · Computer Science 2019-06-04 Omid Bazgir , Zeynab Mohammadi , Seyed Amir Hassan Habibi

Evaluating human-computer interaction is essential as a broadening population uses machines, sometimes in sensitive contexts. However, traditional evaluation methods may fail to combine real-time measures, an "objective" approach and data…

Human-Computer Interaction · Computer Science 2013-11-12 Jérémy Frey , Christian Mühl , Fabien Lotte , Martin Hachet

We exploit a self-supervised deep multi-task learning framework for electrocardiogram (ECG) -based emotion recognition. The proposed solution consists of two stages of learning a) learning ECG representations and b) learning to classify…

Signal Processing · Electrical Eng. & Systems 2020-08-11 Pritam Sarkar , Ali Etemad

The electrocardiogram (ECG) is a fundamental tool in cardiovascular diagnostics due to its powerful and non-invasive nature. One of the most critical usages is to determine whether more detailed examinations are necessary, with users…

Artificial Intelligence · Computer Science 2025-04-15 Junichiro Takahashi , JingChuan Guan , Masataka Sato , Kaito Baba , Kazuto Haruguchi , Daichi Nagashima , Satoshi Kodera , Norihiko Takeda

In this paper, a deep learning framework is proposed for automatic facial emotion based on deep convolutional networks. In order to increase the generalization ability and the robustness of the method, the dataset size is increased by…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Serap Kırbız

Due to its ability to accurately predict emotional state using multimodal features, audiovisual emotion recognition has recently gained more interest from researchers. This paper proposes two methods to predict emotional attributes from…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-22 Bagus Tris Atmaja , Masato Akagi

Understanding human affective behaviour, especially in the dynamics of real-world settings, requires Facial Expression Recognition (FER) models to continuously adapt to individual differences in user expression, contextual attributions, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Nikhil Churamani , Tolga Dimlioglu , German I. Parisi , Hatice Gunes

Emotion recognition in conversation (ERC) aims to detect the emotion label for each utterance. Motivated by recent studies which have proven that feeding training examples in a meaningful order rather than considering them randomly can…

Computation and Language · Computer Science 2022-04-22 Lin Yang , Yi Shen , Yue Mao , Longjun Cai

The Complex Emotion Recognition System (CERS) deciphers complex emotional states by examining combinations of basic emotions expressed, their interconnections, and the dynamic variations. Through the utilization of advanced algorithms, CERS…

Signal Processing · Electrical Eng. & Systems 2024-09-13 Javad Hassannataj Joloudari , Mohammad Maftoun , Bahareh Nakisa , Roohallah Alizadehsani , Meisam Yadollahzadeh-Tabari

Emotional Mimicry Intensity (EMI) estimation plays a pivotal role in understanding human social behavior and advancing human-computer interaction. The core challenges lie in dynamic correlation modeling and robust fusion of multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Jun Yu , Lingsi Zhu , Yanjun Chi , Yunxiang Zhang , Yang Zheng , Yongqi Wang , Xilong Lu

Brain imaging classification is commonly approached from two perspectives: modeling the full image volume to capture global anatomical context, or constructing ROI-based graphs to encode localized and topological interactions. Although both…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Wei Liang , Lifang He

Exploring proper way to conduct multi-speech feature fusion for cross-corpus speech emotion recognition is crucial as different speech features could provide complementary cues reflecting human emotion status. While most previous approaches…

Sound · Computer Science 2024-06-14 Xueyu Liu , Jie Lin , Chao Wang

EEG-based neural decoding models often fail to generalize across acquisition sites due to structured, site-dependent biases implicitly exploited during training. We reformulate cross-site clinical EEG learning as a bias-factorized…

Neurons and Cognition · Quantitative Biology 2026-02-24 Xiaobin Wong , Zhonghua Zhao , Haoran Guo , Zhengyi Liu , Yu Wu , Feng Yan , Zhiren Wang , Sen Song

Adapting machine learning models to medical time series across different domains remains a challenge due to complex temporal dependencies and dynamic distribution shifts. Current approaches often focus on isolated feature representations,…

Machine Learning · Computer Science 2025-09-23 YongKyung Oh , Alex Bui

Traditional brain-computer systems are complex and expensive, and emotion classification algorithms lack repre-sentations of the intrinsic relationships between different channels of electroencephalogram (EEG) signals. There is still room…

Human-Computer Interaction · Computer Science 2024-05-28 Zhang Yutian , Huang Shan , Zhang Jianing , Fan Ci'en