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Speech emotion recognition (SER) has been one of the significant tasks in Human-Computer Interaction (HCI) applications. However, it is hard to choose the optimal features and deal with imbalance labeled data. In this article, we…

Sound · Computer Science 2021-09-21 Nhat Truong Pham , Duc Ngoc Minh Dang , Sy Dzung Nguyen

Expressing and identifying emotions through facial and physical expressions is a significant part of social interaction. Emotion recognition is an essential task in computer vision due to its various applications and mainly for allowing a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Willams Costa , David Macêdo , Cleber Zanchettin , Lucas S. Figueiredo , Veronica Teichrieb

Understanding emotional responses in children with Autism Spectrum Disorder (ASD) during social interaction remains a critical challenge in both developmental psychology and human-robot interaction. This study presents a novel deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Indranil Bhattacharjee , Vartika Narayani Srinet , Anirudha Bhattacharjee , Braj Bhushan , Bishakh Bhattacharya

Facial expression recognition has been an active research area over the past few decades, and it is still challenging due to the high intra-class variation. Traditional approaches for this problem rely on hand-crafted features such as SIFT,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Shervin Minaee , Amirali Abdolrashidi

The face expression is the first thing we pay attention to when we want to understand a person's state of mind. Thus, the ability to recognize facial expressions in an automatic way is a very interesting research field. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Enrico Randellini , Leonardo Rigutini , Claudio Sacca'

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

Facial expression recognition (FER) is an important research topic in emotional artificial intelligence. In recent decades, researchers have made remarkable progress. However, current FER paradigms face challenges in generalization, lack…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Bohao Xing , Zitong Yu , Xin Liu , Kaishen Yuan , Qilang Ye , Weicheng Xie , Huanjing Yue , Jingyu Yang , Heikki Kälviäinen

Current benchmarks for facial expression recognition (FER) mainly focus on static images, while there are limited datasets for FER in videos. It is still ambiguous to evaluate whether performances of existing methods remain satisfactory in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yan Wang , Yixuan Sun , Yiwen Huang , Zhongying Liu , Shuyong Gao , Wei Zhang , Weifeng Ge , Wenqiang Zhang

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

Traditional sentiment analysis has long been a unimodal task, relying solely on text. This approach overlooks non-verbal cues such as vocal tone and prosody that are essential for capturing true emotional intent. We introduce Dynamic…

Computation and Language · Computer Science 2025-09-30 Sadia Abdulhalim , Muaz Albaghdadi , Moshiur Farazi

Micro-expressions (MEs) are subtle, transient facial changes with very low intensity, almost imperceptible to the naked eye, yet they reveal a person genuine emotion. They are of great value in lie detection, behavioral analysis, and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Thi Bich Phuong Man , Luu Tu Nguyen , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo

The rapid advancement in deep learning over the past decade has transformed Facial Expression Recognition (FER) systems, as newer methods have been proposed that outperform the existing traditional handcrafted techniques. However, such a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Syed Sameen Ahmad Rizvi , Preyansh Agrawal , Jagat Sesh Challa , Pratik Narang

As affective robots become integral in human life, these agents must be able to fairly evaluate human affective expressions without discriminating against specific demographic groups. Identifying bias in Machine Learning (ML) systems as a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Ozgur Kara , Nikhil Churamani , Hatice Gunes

Facial expression recognition is a key task in human-computer interaction and affective computing. However, acquiring a large amount of labeled facial expression data is often costly. Therefore, it is particularly important to design a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Zhongpeng Cai , Jun Yu , Wei Xu , Tianyu Liu , Jianqing Sun , Jiaen Liang

Facial action units (AUs) recognition is essential for emotion analysis and has been widely applied in mental state analysis. Existing work on AU recognition usually requires big face dataset with AU labels; however, manual AU annotation…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Xuesong Niu , Hu Han , Shiguang Shan , Xilin Chen

Facial Expression Recognition (FER) suffers from data uncertainties caused by ambiguous facial images and annotators' subjectiveness, resulting in excursive semantic and feature covariate shifting problem. Existing works usually correct…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Yangtao Du , Qingqing Wang , Yujie Xiong

As a critical psychological stress response, micro-expressions (MEs) are fleeting and subtle facial movements revealing genuine emotions. Automatic ME recognition (MER) holds valuable applications in fields such as criminal investigation…

Human-Computer Interaction · Computer Science 2025-05-12 Shifeng Liu , Xinglong Mao , Sirui Zhao , Peiming Li , Tong Xu , Enhong Chen

Personalized facial expression recognition (FER) involves adapting a machine learning model using samples from labeled sources and unlabeled target domains. Given the challenges of recognizing subtle expressions with considerable…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Muhammad Osama Zeeshan , Marco Pedersoli , Alessandro Lameiras Koerich , Eric Granger

Recent studies on fairness have shown that Facial Expression Recognition (FER) models exhibit biases toward certain visually perceived demographic groups. However, the limited availability of human-annotated demographic labels in public FER…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Tangzheng Lian , Oya Celiktutan

Emotional Intelligence in Human-Computer Interaction has attracted increasing attention from researchers in multidisciplinary research fields including psychology, computer vision, neuroscience, artificial intelligence, and related…

Human-Computer Interaction · Computer Science 2020-02-25 Amine Djerghri , Ahmed Rachid Hazourli , Alice Othmani