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Detection of human emotions based on facial images in real-world scenarios is a difficult task due to low image quality, variations in lighting, pose changes, background distractions, small inter-class variations, noisy crowd-sourced…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Sahil Naik , Soham Bagayatkar , Pavankumar Singh

Agents must monitor their partners' affective states continuously in order to understand and engage in social interactions. However, methods for evaluating affect recognition do not account for changes in classification performance that may…

Human-Computer Interaction · Computer Science 2025-09-08 Allen Chang , Lauren Klein , Marcelo R. Rosales , Weiyang Deng , Beth A. Smith , Maja J. Matarić

The quantification of emotional states is an important step to understanding wellbeing. Time series data from multiple modalities such as physiological and motion sensor data have proven to be integral for measuring and quantifying…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Kieran Woodward , Eiman Kanjo , Athanasios Tsanas

Individuals high in social anxiety symptoms often exhibit elevated state anxiety in social situations. Research has shown it is possible to detect state anxiety by leveraging digital biomarkers and machine learning techniques. However, most…

Human-Computer Interaction · Computer Science 2023-04-21 Zhiyuan Wang , Mingyue Tang , Maria A. Larrazabal , Emma R. Toner , Mark Rucker , Congyu Wu , Bethany A. Teachman , Mehdi Boukhechba , Laura E. Barnes

The study proposes and tests a technique for automated emotion recognition through mouth detection via Convolutional Neural Networks (CNN), meant to be applied for supporting people with health disorders with communication skills issues…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Giulio Biondi , Valentina Franzoni , Osvaldo Gervasi , Damiano Perri

This study investigates the key characteristics and suitability of widely used Facial Expression Recognition (FER) datasets for training deep learning models. In the field of affective computing, FER is essential for interpreting human…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 F. Xavier Gaya-Morey , Cristina Manresa-Yee , Célia Martinie , Jose M. Buades-Rubio

Automatically understanding and recognising human affective states using images and computer vision can improve human-computer and human-robot interaction. However, privacy has become an issue of great concern, as the identities of people…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Jimiama M. Mase , Natalie Leesakul , Fan Yang , Grazziela P. Figueredo , Mercedes Torres Torres

fMRI is a non-invasive technique for investigating brain activity, offering high-resolution insights into neural processes. Understanding and decoding cognitive brain states from fMRI depends on how functional interactions are represented.…

Neurons and Cognition · Quantitative Biology 2026-02-23 Daniil Vlasenko , Vadim Ushakov , Alexey Zaikin , Denis Zakharov

Automatic recognition of affective state from wearable physiology has clear societal impact for public health, preventive care, and stress-aware interventions, but real deployments require robustness to non-stationary dynamics, artefacts,…

Multiagent Systems · Computer Science 2026-05-15 Lokesh Singh , Athina Georgara , Jayati Deshmukh , Tan Viet Tuyen Nguyen , Sarvapali D. Ramchurn

The capability to automatically detect human stress can benefit artificial intelligent agents involved in affective computing and human-computer interaction. Stress and emotion are both human affective states, and stress has proven to have…

Computation and Language · Computer Science 2021-05-19 Yiqun Yao , Michalis Papakostas , Mihai Burzo , Mohamed Abouelenien , Rada Mihalcea

There is an increasing interest in exploiting mobile sensing technologies and machine learning techniques for mental health monitoring and intervention. Researchers have effectively used contextual information, such as mobility,…

Machine Learning · Computer Science 2017-11-20 Gatis Mikelsons , Matthew Smith , Abhinav Mehrotra , Mirco Musolesi

Stress remains a significant social problem for individuals in modern societies. This paper presents a machine learning approach for the automatic detection of stress of people in a social situation by combining two sensor systems that…

People with Multiple Sclerosis (MS) complain of problems with hand dexterity and cognitive fatigue. However, in many cases, impairments are subtle and difficult to detect. Functional near-infrared spectroscopy (fNIRS) is a non-invasive…

Machine Learning · Computer Science 2025-09-29 Sadman Saumik Islam , Bruna Dalcin Baldasso , Davide Cattaneo , Xianta Jiang , Michelle Ploughman

Applications of an efficient emotion recognition system can be found in several domains such as medicine, driver fatigue surveillance, social robotics, and human-computer interaction. Appraising human emotional states, behaviors, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Savinay Nagendra , Prapti Panigrahi

Wearables equipped with pervasive sensors enable us to monitor physiological and behavioral signals in our everyday life. We propose the WellAff system able to recognize affective states for wellbeing support. It also includes health care…

This paper discusses a fuzzy model for multi-level human emotions recognition by computer systems through keyboard keystrokes, mouse and touchscreen interactions. This model can also be used to detect the other possible emotions at the time…

Artificial Intelligence · Computer Science 2014-08-05 Kaveh Bakhtiyari , Hafizah Husain

People come to social media to satisfy a variety of needs, such as being informed, entertained and inspired, or connected to their friends and community. Hence, to design a ranking function that gives useful and personalized post…

Social and Information Networks · Computer Science 2022-06-27 Jane Dwivedi-Yu , Yi-Chia Wang , Lijing Qin , Cristian Canton-Ferrer , Alon Y. Halevy

Hyperscanning with functional near-infrared spectroscopy (fNIRS) is an emerging neuroimaging application that measures the nuanced neural signatures underlying social interactions. Researchers have assessed the effect of sex and task type…

Image and Video Processing · Electrical Eng. & Systems 2021-12-09 Liam A. Kruse , Allan L. Reiss , Mykel J. Kochenderfer , Stephanie Balters

Using mel-spectrograms over conventional MFCCs features, we assess the abilities of convolutional neural networks to accurately recognize and classify emotions from speech data. We introduce FSER, a speech emotion recognition model trained…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-17 Bonaventure F. P. Dossou , Yeno K. S. Gbenou

Functional near-infrared spectroscopy (fNIRS) is a non-invasive technique for monitoring brain activity. To better understand the brain, researchers often use deep learning to address the classification challenges of fNIRS data. Our study…

Signal Processing · Electrical Eng. & Systems 2024-11-25 Zhihao Cao
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