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Multimodal sentiment analysis, a pivotal task in affective computing, seeks to understand human emotions by integrating cues from language, audio, and visual signals. While many recent approaches leverage complex attention mechanisms and…

Computation and Language · Computer Science 2025-05-09 Nischal Mandal , Yang Li

Affective computing is very important in the relationship between man and machine. In this paper, a system for speech emotion recognition (SER) based on speech signal is proposed, which uses new techniques in different stages of processing.…

Sound · Computer Science 2021-11-16 Fatemeh Daneshfar , Seyed Jahanshah Kabudian

EEG emotion recognition faces significant hurdles due to noise interference, signal nonstationarity, and the inherent complexity of brain activity which make accurately emotion classification. In this study, we present the Fourier Adjacency…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Jinfeng Wang , Yanhao Huang , Sifan Song , Boqian Wang , Jionglong Su , Jiaman Ding

Current models on Explainable Artificial Intelligence (XAI) have shown an evident and quantified lack of reliability for measuring feature-relevance when statistically entangled features are proposed for training deep classifiers. There has…

Signal Processing · Electrical Eng. & Systems 2023-02-27 Juan Manuel Mayor-Torres , Sara Medina-DeVilliers , Tessa Clarkson , Matthew D. Lerner , Giuseppe Riccardi

Objective: The objective of the study is to efficiently increase the expressivity of surface electromyography-based (sEMG) gesture recognition systems. Approach: We use a problem transformation approach, in which actions were subset into…

Electroencephalography (EEG) is another mode for performing Person Identification (PI). Due to the nature of the EEG signals, EEG-based PI is typically done while the person is performing some kind of mental task, such as motor control.…

Electroencephalography (EEG), a technique that records electrical activity from the scalp using electrodes, plays a vital role in affective computing. However, fully utilizing the multi-domain characteristics of EEG signals remains a…

Neural and Evolutionary Computing · Computer Science 2026-03-16 Yanjie Cui , Xiaohong Liu , Jing Liang , Yamin Fu

Multimodal emotion understanding requires effective integration of text, audio, and visual modalities for both discrete emotion recognition and continuous sentiment analysis. We present EGMF, a unified framework combining expert-guided…

Computation and Language · Computer Science 2026-01-13 Jiaqi Qiao , Xiujuan Xu , Xinran Li , Yu Liu

Empathetic Conversational Systems (ECS) are built to respond empathetically to the user's emotions and sentiments, regardless of the application domain. Current ECS studies evaluation approaches are restricted to offline evaluation…

Computation and Language · Computer Science 2024-07-29 Aravind Sesagiri Raamkumar , Siyuan Brandon Loh

Continuous electroencephalography (EEG) signals are widely used in affective brain-computer interface (aBCI) applications. However, not all continuously collected EEG signals are relevant or meaningful to the task at hand (e.g., wondering…

Human-Computer Interaction · Computer Science 2024-08-23 Zhihao Zhou , Qile Liu , Jiyuan Wang , Zhen Liang

Emotion recognition using EEG signals is an emerging area of research due to its broad applicability in BCI. Emotional feelings are hard to stimulate in the lab. Emotions do not last long, yet they need enough context to be perceived and…

Signal Processing · Electrical Eng. & Systems 2022-11-07 Mohammad Asif , Sudhakar Mishra , Majithia Tejas Vinodbhai , Uma Shanker Tiwary

Fully supervised learning has recently achieved promising performance in various electroencephalography (EEG) learning tasks by training on large datasets with ground truth labels. However, labeling EEG data for affective experiments is…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Guangyi Zhang , Ali Etemad

The neuroscience study has revealed the discrepancy of emotion expression between left and right hemispheres of human brain. Inspired by this study, in this paper, we propose a novel bi-hemispheric discrepancy model (BiHDM) to learn the…

Neurons and Cognition · Quantitative Biology 2019-06-06 Yang Li , Wenming Zheng , Lei Wang , Yuan Zong , Lei Qi , Zhen Cui , Tong Zhang , Tengfei Song

Emotion recognition is crucial for advancing mental health, healthcare, and technologies like brain-computer interfaces (BCIs). However, EEG-based emotion recognition models face challenges in cross-domain applications due to the high cost…

Signal Processing · Electrical Eng. & Systems 2025-04-08 Md Niaz Imtiaz , Naimul Khan

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

There are two paradigms of emotion representation, categorical labeling and dimensional description in continuous space. Therefore, the emotion recognition task can be treated as a classification or regression. The main aim of this study is…

Sound · Computer Science 2022-10-17 Meysam Shamsi , Marie Tahon

We present a glasses type wearable device to detect emotions from a human face in an unobtrusive manner. The device is designed to gather multi channel responses from the user face naturally and continuously while the user is wearing it.…

Human-Computer Interaction · Computer Science 2024-10-30 Jangho Kwon , Laehyun Kim

In this paper, we propose a novel framework for recognizing both discrete and dimensional emotions. In our framework, deep features extracted from foundation models are used as robust acoustic and visual representations of raw video. Three…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Haotian Wang , Yuxuan Xi , Hang Chen , Jun Du , Yan Song , Qing Wang , Hengshun Zhou , Chenxi Wang , Jiefeng Ma , Pengfei Hu , Ya Jiang , Shi Cheng , Jie Zhang , Yuzhe Weng

Many individuals especially those with autism spectrum disorder (ASD), alexithymia, or other neurodivergent profiles face challenges in recognizing, expressing, or interpreting emotions. To support more inclusive and personalized emotion…

Human-Computer Interaction · Computer Science 2025-08-14 Von Ralph Dane Marquez Herbuela , Yukie Nagai

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