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Facial Emotion Analysis (FEA) extends traditional facial emotion recognition by incorporating explainable, fine-grained reasoning. The task integrates three subtasks: emotion recognition, facial Action Unit (AU) recognition, and AU-based…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Jiulong Wu , Yucheng Shen , Lingyong Yan , Haixin Sun , Deguo Xia , Jizhou Huang , Min Cao

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

Face based affective computing consists in detecting emotions from face images. It is useful to unlock better automatic comprehension of human behaviours and could pave the way toward improved human-machines interactions. However it comes…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Gauthier Tallec , Jules Bonnard , Arnaud Dapogny , Kévin Bailly

Automatic emotion recognition has recently gained significant attention due to the growing popularity of deep learning algorithms. One of the primary challenges in emotion recognition is effectively utilizing the various cues (modalities)…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Mijanur Palash , Bharat Bhargava

This paper presents a novel approach for synthesizing facial affect, which is based on our annotating 600,000 frames of the 4DFAB database in terms of valence and arousal. The input of this approach is a pair of these emotional state…

Graphics · Computer Science 2018-11-21 Dimitrios Kollias , Shiyang Cheng , Maja Pantic , Stefanos Zafeiriou

Generating faithful visualizations of human faces requires capturing both coarse and fine-level details of the face geometry and appearance. Existing methods are either data-driven, requiring an extensive corpus of data not publicly…

Computer Vision and Pattern Recognition · Computer Science 2023-05-15 Kacper Kania , Stephan J. Garbin , Andrea Tagliasacchi , Virginia Estellers , Kwang Moo Yi , Julien Valentin , Tomasz Trzciński , Marek Kowalski

Cross-spectral face recognition systems are designed to enhance the performance of facial recognition systems by enabling cross-modal matching under challenging operational conditions. A particularly relevant application is the matching of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Anjith George , Sebastien Marcel

Emotion has an important role in daily life, as it helps people better communicate with and understand each other more efficiently. Facial expressions can be classified into 7 categories: angry, disgust, fear, happy, neutral, sad and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Shaoyuan Xu , Yang Cheng , Qian Lin , Jan P. Allebach

Emotional expressions are the behaviors that communicate our emotional state or attitude to others. They are expressed through verbal and non-verbal communication. Complex human behavior can be understood by studying physical features from…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Liam Schoneveld , Alice Othmani , Hazem Abdelkawy

Facial expressions play an important role in conveying the emotional states of human beings. Recently, deep learning approaches have been applied to image recognition field due to the discriminative power of Convolutional Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Yingruo Fan , Jacqueline C. K. Lam , Victor O. K. Li

With the growing integration of human-computer interaction into everyday life, advances in machine learning have enabled systems to better perceive and respond to users' emotional states. Most existing affect recognition datasets focus on…

Machine Learning · Computer Science 2026-05-04 Karim Alghoul , Faisal Mohd , Fedwa Laamarti , Hussein Al Osman , Abdulmotaleb El Saddik

Facial Expression Recognition faces two core challenges. The first is class imbalance in public datasets, which skews the learning process and weakens generalization. The second is related to privacy and data collection constraints, which…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Ali Azmoudeh , Erdi Sarıtaş , Ömer Yıldırım , Hazım Kemal Ekenel

Expression recognition holds great promise for applications such as content recommendation and mental healthcare by accurately detecting users' emotional states. Traditional methods often rely on cameras or wearable sensors, which raise…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Guangjing Wang , Juexing Wang , Ce Zhou , Weikang Ding , Huacheng Zeng , Tianxing Li , Qiben Yan

While machine learning approaches to visual emotion recognition offer great promise, current methods consider training and testing models on small scale datasets covering limited visual emotion concepts. Our analysis identifies an important…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Rameswar Panda , Jianming Zhang , Haoxiang Li , Joon-Young Lee , Xin Lu , Amit K. Roy-Chowdhury

Millions of images on the web enable us to explore images from social events such as a family party, thus it is of interest to understand and model the affect exhibited by a group of people in images. But analysis of the affect expressed by…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Xiaohua Huang , Abhinav Dhall , Xin Liu , Guoying Zhao , Jingang Shi , Roland Goecke , Matti Pietikainen

Facial expression recognition (FER) has emerged as a promising approach to the development of emotion-aware intelligent agents and systems. However, key challenges remain in utilizing FER in real-world contexts, including ensuring user…

Human-Computer Interaction · Computer Science 2025-07-31 Sanjeev Nahulanthran , Leimin Tian , Dana Kulić , Mor Vered

Affective computing - combining sensor technology, machine learning, and psychology - have been studied for over three decades and is employed in AI-powered technologies to enhance emotional awareness in AI systems, and detect symptoms of…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-21 Anders Rolighed Larsen , Sneha Das , Nicole Nadine Lønfeldt , Paula Petcu , Line Clemmensen

Micro-expression recognition plays a pivotal role in understanding hidden emotions and has applications across various fields. Traditional recognition methods assume access to all training data at once, but real-world scenarios involve…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zhengqin Lai , Xiaopeng Hong , Yabin Wang , Xiaobai Li

Facial expression recognition (FER) algorithms classify facial expressions into emotions such as happy, sad, or angry. An evaluative challenge facing FER algorithms is the fall in performance when detecting spontaneous expressions compared…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Rina Khan , Catherine Stinson

Emotion detection from faces is one of the machine learning problems needed for human-computer interaction. The variety of methods used is enormous, which motivated an in-depth review of articles and scientific studies. Three of the most…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Aleksandra Jamróz , Patrycja Wysocka , Piotr Garbat