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Related papers: Objective Classes for Micro-Facial Expression Reco…

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Facial micro-expressions (MEs) are involuntary facial motions revealing peoples real feelings and play an important role in the early intervention of mental illness, the national security, and many human-computer interaction systems.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Hanting Li , Mingzhe Sui , Zhaoqing Zhu , Feng Zhao

This paper discusses a novel method for Facial Expression Recognition System which performs facial expression analysis in a near real time from a live web cam feed. Primary objectives were to get results in a near real time with light…

Computer Vision and Pattern Recognition · Computer Science 2012-06-18 Saumil Srivastava

Facial action unit (FAU) intensities are popular descriptors for the analysis of facial behavior. However, FAUs are sparsely represented when only a few are activated at a time. In this study, we explore the possibility of representing the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Minh Tran , Ellen Bradley , Michelle Matvey , Joshua Woolley , Mohammad Soleymani

Facial expressions are one of the most effective ways for non-verbal communications, which can be expressed as the Micro-Expression (ME) in the high-stake situations. The MEs are involuntary, rapid, and, subtle, and they can reveal real…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Vida Esmaeili , Mahmood Mohassel Feghhi , Seyed Omid Shahdi

The muscular activities caused the activation of certain AUs for every facial expression at the certain duration of time throughout the facial expression. This paper presents the methods to recognise facial Action Unit (AU) using facial…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 N. Hussain , H. Ujir , I. Hipiny , J-L Minoi

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

Facial micro-expressions are subtle and involuntary expressions that can reveal concealed emotions. Micro-expressions are an invaluable source of information in application domains such as lie detection, mental health, sentiment analysis…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Michiel Verburg , Vlado Menkovski

Human affective behavior analysis has received much attention in human-computer interaction (HCI). In this paper, we introduce our submission to the CVPR 2022 Competition on Affective Behavior Analysis in-the-wild (ABAW). To fully exploit…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Wei Zhang , Feng Qiu , Suzhen Wang , Hao Zeng , Zhimeng Zhang , Rudong An , Bowen Ma , Yu Ding

The ability of humans to detect and respond to others' emotions is fundamental to understanding social behavior. Here, agents are instantiated with emotion classifiers of varying accuracy to study the impact of perceptual accuracy on…

Artificial Intelligence · Computer Science 2025-09-03 David Freire-Obregón

Smile is one of the key elements in identifying emotions and present state of mind of an individual. In this work, we propose a cluster of approaches to classify posed and spontaneous smiles using deep convolutional neural network (CNN)…

Computer Vision and Pattern Recognition · Computer Science 2017-02-20 Bappaditya Mandal , David Lee , Nizar Ouarti

Isolated facial movements, so-called Action Units, can describe combined emotions or physical states such as pain. As datasets are limited and mostly imbalanced, we present an approach incorporating a multi-label class balancing algorithm.…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Jaspar Pahl , Ines Rieger , Dominik Seuss

Facial expressions play a significant role in human communication and behavior. Psychologists have long studied the relationship between facial expressions and emotions. Paul Ekman et al., devised the Facial Action Coding System (FACS) to…

Computer Vision and Pattern Recognition · Computer Science 2017-05-11 Ran Breuer , Ron Kimmel

Micro-expressions (MEs) are brief, low-intensity, often localized facial expressions. They could reveal genuine emotions individuals may attempt to conceal, valuable in contexts like criminal interrogation and psychological counseling.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Jingting Li , Yu Qian , Lin Zhao , Su-Jing Wang

Facial emotion expression for virtual characters is used in a wide variety of areas. Often, the primary reason to use emotion expression is not to study emotion expression generation per se, but to use emotion expression in an application…

Human-Computer Interaction · Computer Science 2012-11-20 Joost Broekens , Chao Qu , Willem-Paul Brinkman

Facial micro-expression recognition (MER) is a challenging task, due to the transience, subtlety, and dynamics of micro-expressions (MEs). Most existing methods resort to hand-crafted features or deep networks, in which the former often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Zhiwen Shao , Yifan Cheng , Fan Zhang , Xuehuai Shi , Canlin Li , Lizhuang Ma , Dit-yan Yeung

Facial action unit detection has emerged as an important task within facial expression analysis, aimed at detecting specific pre-defined, objective facial expressions, such as lip tightening and cheek raising. This paper presents our…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yufeng Yin , Minh Tran , Di Chang , Xinrui Wang , Mohammad Soleymani

Affective computing has been largely limited in terms of available data resources. The need to collect and annotate diverse in-the-wild datasets has become apparent with the rise of deep learning models, as the default approach to address…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Dimitrios Kollias , Stefanos Zafeiriou

Complex emotion recognition is a cognitive task that has so far eluded the same excellent performance of other tasks that are at or above the level of human cognition. Emotion recognition through facial expressions is particularly difficult…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Angus Maiden , Bahareh Nakisa

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

Similarly to humans, facial expressions in animals are closely linked with emotional states. However, in contrast to the human domain, automated recognition of emotional states from facial expressions in animals is underexplored, mainly due…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Tali Boneh-Shitrit , Shir Amir , Annika Bremhorst , Daniel S. Mills , Stefanie Riemer , Dror Fried , Anna Zamansky