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Emotion understanding is a fundamental challenge in affective computing and artificial intelligence. While existing approaches predominantly focus on facial expressions and speech, they often overlook the rich emotional cues conveyed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Chengyan Wang , Haoyu Chen , Hui Wei , Yueyi Yang , Yunquan Chen , Guoying Zhao

Anxiety affects human capabilities and behavior as much as it affects productivity and quality of life. It can be considered as the main cause of depression and suicide. Anxious states are easily detectable by humans due to their acquired…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Asma Baghdadi , Yassine Aribi , Rahma Fourati , Najla Halouani , Patrick Siarry , Adel M. Alimi

Emotions manifest through physical experiences and bodily reactions, yet identifying such embodied emotions in text remains understudied. We present an embodied emotion classification dataset, CHEER-Ekman, extending the existing binary…

Computation and Language · Computer Science 2025-09-26 Phan Anh Duong , Cat Luong , Divyesh Bommana , Tianyu Jiang

Surface electromyography (sEMG) non-invasively measures signals generated by muscle activity with sufficient sensitivity to detect individual spinal neurons and richness to identify dozens of gestures and their nuances. Wearable wrist-based…

Face Emotion Recognition (FER) is essential for social interactions and understanding others' mental states. Utilizing eye tracking to investigate FER has yielded insights into cognitive processes. In this study, we utilized an…

Human-Computer Interaction · Computer Science 2025-03-21 Meisam J. Seikavandi , Maria J. Barrett , Paolo Burelli

Electroencephalography (EEG) signals are promising as alternatives to other biometrics owing to their protection against spoofing. Previous studies have focused on capturing individual variability by analyzing task/condition-specific EEG.…

Signal Processing · Electrical Eng. & Systems 2021-03-29 Mari Ganesh Kumar , Shrikanth Narayanan , Mriganka Sur , Hema A Murthy

Visual Emotion Analysis (VEA) aims at predicting people's emotional responses to visual stimuli. This is a promising, yet challenging, task in affective computing, which has drawn increasing attention in recent years. Most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Jingyuan Yang , Qirui Huang , Tingting Ding , Dani Lischinski , Daniel Cohen-Or , Hui Huang

Unlike prevalent facial expressions, micro expressions have subtle, involuntary muscle movements which are short-lived in nature. These minute muscle movements reflect true emotions of a person. Due to the short duration and low intensity,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh , Subrahmanyam Murala

This study investigates the efficacy of facial micro-expressions as a soft biometric for enhancing person recognition, aiming to broaden the understanding of the subject and its potential applications. We propose a deep learning approach…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Tuval Kay , Yuval Ringel , Khen Cohen , Mor-Avi Azulay , David Mendlovic

Emotion recognition promotes the evaluation and enhancement of Virtual Reality (VR) experiences by providing emotional feedback and enabling advanced personalization. However, facial expressions are rarely used to recognize users' emotions,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Thorben Ortmann , Qi Wang , Larissa Putzar

There is a tradeoff between attaining statistical power with large, difficult to gather data sets, and producing highly scalable assays that register brief data samples. Often, as grand-averaging techniques a priori assume…

Quantitative Methods · Quantitative Biology 2025-08-19 Theodoros Bermperidis , Joe Vero , Elizabeth B Torres

Electroencephalography (EEG) is a widely used technique for measuring brain activity. EEG-based signals can reveal a persons emotional state, as they directly reflect activity in different brain regions. Emotion-aware systems and EEG-based…

Machine Learning · Computer Science 2026-02-03 Ashna Purwar , Gaurav Simkar , Madhumita , Sachin Kadam

Understanding affect is central to anticipating human behavior, yet current egocentric vision benchmarks largely ignore the person's emotional states that shape their decisions and actions. Existing tasks in egocentric perception focus on…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Matthias Jammot , Björn Braun , Paul Streli , Rafael Wampfler , Christian Holz

Analysing expressions on the person's face plays a very vital role in identifying emotions and behavior of a person. Recognizing these expressions automatically results in a crucial component of natural human-machine interfaces. Therefore…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Abhinav Lahariya , Varsha Singh , Uma Shanker Tiwary

Objective: Surface electromyography (EMG) is a non-invasive sensing modality widely used in biomechanics, rehabilitation, prosthetic control, and human-machine interfaces. Despite decades of use, achieving robust generalization across…

Signal Processing · Electrical Eng. & Systems 2026-01-16 Matteo Fasulo , Giusy Spacone , Thorir Mar Ingolfsson , Yawei Li , Luca Benini , Andrea Cossettini

From a computational viewpoint, emotions continue to be intriguingly hard to understand. In research, direct, real-time inspection in realistic settings is not possible. Discrete, indirect, post-hoc recordings are therefore the norm. As a…

Human-Computer Interaction · Computer Science 2018-12-10 Karan Sharma , Claudio Castellini , Egon L. van den Broek , Alin Albu-Schaeffer , Friedhelm Schwenker

Facial expression perception in humans inherently relies on prior knowledge and contextual cues, contributing to efficient and flexible processing. For instance, multi-modal emotional context (such as voice color, affective text, body pose,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Florian Blume , Runfeng Qu , Pia Bideau , Martin Maier , Rasha Abdel Rahman , Olaf Hellwich

Micro-expressions are hard to spot due to fleeting and involuntary moments of facial muscles. Interpretation of micro emotions from video clips is a challenging task. In this paper we propose an affective-motion imaging that cumulates rapid…

Multimedia · Computer Science 2021-04-16 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh

Micro-expression recognition is one of the most challenging topics in affective computing. It aims to recognize tiny facial movements difficult for humans to perceive in a brief period, i.e., 0.25 to 0.5 seconds. Recent advances in…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Xuan-Bac Nguyen , Chi Nhan Duong , Xin Li , Susan Gauch , Han-Seok Seo , Khoa Luu

With stereoscopic displays, a depth sensation that is too strong could impede visual comfort and result in fatigue or pain. Electroencephalography (EEG) is a technology which records brain activity. We used it to develop a novel…

Human-Computer Interaction · Computer Science 2015-05-29 Jérémy Frey , Aurélien Appriou , Fabien Lotte , Martin Hachet