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Facial expression recognition is a crucial component in enhancing human-computer interaction and developing emotion-aware systems. Real-time detection and interpretation of facial expressions have become increasingly important for various…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Talha Enes Koksal , Abdurrahman Gumus

Classification of human emotions remains an important and challenging task for many computer vision algorithms, especially in the era of humanoid robots which coexist with humans in their everyday life. Currently proposed methods for…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Ivona Tautkute , Tomasz Trzcinski , Adam Bielski

The growing ubiquity of Social Media data offers an attractive perspective for improving the quality of machine learning-based models in several fields, ranging from Computer Vision to Natural Language Processing. In this paper we focus on…

Machine Learning · Computer Science 2019-09-25 Lisa Graziani , Stefano Melacci , Marco Gori

Micro-expressions are brief spontaneous facial expressions that appear on a face when a person conceals an emotion, making them different to normal facial expressions in subtlety and duration. Currently, emotion classes within the CASME II…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Adrian K. Davison , Walied Merghani , Moi Hoon Yap

Feature subspace selection is an important part in speech emotion recognition. Most of the studies are devoted to finding a feature subspace for representing all emotions. However, some studies have indicated that the features associated…

Machine Learning · Computer Science 2016-11-18 Xi Ma , Zhiyong Wu , Jia Jia , Mingxing Xu , Helen Meng , Lianhong Cai

Emotion Recognition (ER) is the process of identifying human emotions from given data. Currently, the field heavily relies on facial expression recognition (FER) because facial expressions contain rich emotional cues. However, it is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Yuanyuan Liu , Lin Wei , Kejun Liu , Yibing Zhan , Zijing Chen , Zhe Chen , Shiguang Shan

Humans are skilled in reading the interlocutor's emotion from multimodal signals, including spoken words, simultaneous speech, and facial expressions. It is still a challenge to effectively decode emotions from the complex interactions of…

Machine Learning · Computer Science 2022-12-20 Feng Qiu , Chengyang Xie , Yu Ding , Wanzeng Kong

Human emotions analysis has been the focus of many studies, especially in the field of Affective Computing, and is important for many applications, e.g. human-computer intelligent interaction, stress analysis, interactive games, animations,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Mohammad Rami Koujan , Luma Alharbawee , Giorgos Giannakakis , Nicolas Pugeault , Anastasios Roussos

Affective computing has garnered the attention and interest of researchers in recent years, as there is a need for AI systems to better understand and react to human emotions. However, analyzing human emotions, such as mood or stress, is…

Emotion recognition and classification is a very active area of research. In this paper, we present a first approach to emotion classification using persistent entropy and support vector machines. A topology-based model is applied to obtain…

Sound · Computer Science 2019-03-22 R. Gonzalez-Diaz , E. Paluzo-Hidalgo , J. F. Quesada

Emotion recognition in social situations is a complex task that requires integrating information from both facial expressions and the situational context. While traditional approaches to automatic emotion recognition have focused on…

Human-Computer Interaction · Computer Science 2024-08-05 Bin Han , Cleo Yau , Su Lei , Jonathan Gratch

Facial Emotion Recognition is an inherently difficult problem, due to vast differences in facial structures of individuals and ambiguity in the emotion displayed by a person. Recently, a lot of work is being done in the field of Facial…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Aakash Saroop , Pathik Ghugare , Sashank Mathamsetty , Vaibhav Vasani

Emotion recognition is a classic field of research with a typical setup extracting features and feeding them through a classifier for prediction. On the other hand, generative models jointly capture the distributional relationship between…

Machine Learning · Computer Science 2020-11-16 Saurabh Sahu , Rahul Gupta , Carol Espy-Wilson

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 S. D. Lalitha , K. K. Thyagharajan

We present an approach utilizing Topological Data Analysis to study the structure of face poses used in affective computing, i.e., the process of recognizing human emotion. The approach uses a conditional comparison of different emotions,…

Human-Computer Interaction · Computer Science 2021-08-04 Hamza Elhamdadi , Shaun Canavan , Paul Rosen

Deepfake detection research has largely converged on deep learning approaches that, despite strong benchmark performance, offer limited insight into what distinguishes real from manipulated facial behavior. This study presents an…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Timothy Joseph Murphy , Jennifer Cook , Hélio Clemente José Cuve

This article describes how to deploy dihedral group theory to detect Facial Key Points (FKP) symmetry to recognize emotions. The method can be applied in many other areas which those have the same data texture.

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Mehdi Ghayoumi , Arvind Bansal

Facial Expression Recognition is a vital research topic in most fields ranging from artificial intelligence and gaming to Human-Computer Interaction (HCI) and Psychology. This paper proposes a hybrid model for Facial Expression recognition,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Ozioma Collins Oguine , Kanyifeechukwu Jane Oguine , Hashim Ibrahim Bisallah , Daniel Ofuani

Accurate emotion recognition is pivotal for nuanced and engaging human-computer interactions, yet remains difficult to achieve, especially in dynamic, conversation-like settings. In this study, we showcase how integrating eye-tracking data,…

Human-Computer Interaction · Computer Science 2025-11-03 Meisam Jamshidi Seikavandi , Jostein Fimland , Maria Barrett , Paolo Burelli

Consumers often react expressively to products such as food samples, perfume, jewelry, sunglasses, and clothing accessories. This research discusses a multimodal affect recognition system developed to classify whether a consumer likes or…

Human-Computer Interaction · Computer Science 2017-05-09 Amol S Patwardhan , Gerald M Knapp