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Automatic facial expression recognition (FER) has gained much attention due to its applications in human-computer interaction. Among the approaches to improve FER tasks, this paper focuses on deep architecture with the attention mechanism.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Luan Pham , The Huynh Vu , Tuan Anh Tran

In this paper, a novel method for representation and recognition of the facial expressions in two-dimensional image sequences is presented. We apply a variation of two-dimensional heteroscedastic linear discriminant analysis (2DHLDA)…

Computer Vision and Pattern Recognition · Computer Science 2012-07-23 Mahmoud Khademi , Mohammad H. Kiapour , Mehran Safayani , Mohammad T. Manzuri , M. Shojaei

Landmark localization is an important first step towards geometric based vision research including subject identification. Considering this, we propose to use 3D facial landmarks for the task of subject identification, over a range of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Sk Rahatul Jannat , Diego Fabiano , Shaun Canavan , Tempestt Neal

This work describes different strategies to generate unsupervised representations obtained through the concept of self-taught learning for facial emotion recognition (FER). The idea is to create complementary representations promoting…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Bruna Delazeri , Leonardo L. Veras , Alceu de S. Britto , Jean Paul Barddal , Alessandro L. Koerich

This paper addresses the problem of 3D face recognition using simultaneous sparse approximations on the sphere. The 3D face point clouds are first aligned with a novel and fully automated registration process. They are then represented as…

Computer Vision and Pattern Recognition · Computer Science 2008-10-30 R. Sala Llonch , E. Kokiopoulou , I. Tosic , P. Frossard

Automatic pain intensity assessment has a high value in disease diagnosis applications. Inspired by the fact that many diseases and brain disorders can interrupt normal facial expression formation, we aim to develop a computational model…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Mohammad Tavakolian , Abdenour Hadid

Facial expression recognition (FER) in the wild remains a challenging task due to the subtle and localized nature of expression-related features, as well as the complex variations in facial appearance. In this paper, we introduce a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Liqian Deng

Facial Expression Recognition (FER) is vital for understanding interpersonal communication. However, existing classification methods often face challenges such as vulnerability to noise, imbalanced datasets, overfitting, and generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Hozaifa Kassab , Mohamed Bahaa , Ali Hamdi

Facial expression is temporally dynamic event which can be decomposed into a set of muscle motions occurring in different facial regions over various time intervals. For dynamic expression recognition, two key issues, temporal alignment and…

Computer Vision and Pattern Recognition · Computer Science 2016-11-23 Mengyi Liu , Shiguang Shan , Ruiping Wang , Xilin Chen

Facial expressions are one of the most powerful ways for depicting specific patterns in human behavior and describing human emotional state. Despite the impressive advances of affective computing over the last decade, automatic video-based…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Thomas Teixeira , Eric Granger , Alessandro Lameiras Koerich

Automatically recognizing emotional intent using facial expression has been a thoroughly investigated topic in the realm of computer vision. Facial Expression Recognition (FER), being a supervised learning task, relies heavily on…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Syed Sameen Ahmad Rizvi , Aryan Seth , Pratik Narang

With recent advances in RGB-D sensing technologies as well as improvements in machine learning and fusion techniques, RGB-D facial recognition has become an active area of research. A novel attention aware method is proposed to fuse two…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Hardik Uppal , Alireza Sepas-Moghaddam , Michael Greenspan , Ali Etemad

Facial features deformed according to the intended facial expression. Specific facial features are associated with specific facial expression, i.e. happy means the deformation of mouth. This paper presents the study of facial feature…

Computer Vision and Pattern Recognition · Computer Science 2020-11-16 Dayang Nur Zulhijah Awang Jesemi , Hamimah Ujir , Irwandi Hipiny , Sarah Flora Samson Juan

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'

The human face conveys a significant amount of information. Through facial expressions, the face is able to communicate numerous sentiments without the need for verbalisation. Visual emotion recognition has been extensively studied.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Liam Schoneveld , Alice Othmani

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

Facial expression classification remains a challenging task due to the high dimensionality and inherent complexity of facial image data. This paper presents Hy-Facial, a hybrid feature extraction framework that integrates both deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Xinjin Li , Yu Ma , Kaisen Ye , Jinghan Cao , Minghao Zhou , Yeyang Zhou

4D face reconstruction from a single camera is a challenging task, especially when it is required to be performed in real time. We demonstrate a system of our own implementation that solves this task accurately and runs in real time on a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Mohammad Rami Koujan , Nikolai Dochev , Anastasios Roussos

Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc. Several approaches have been made in the direction of face detection. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-14 Anjith George , Anirban Dasgupta , Aurobinda Routray

Methods for generating synthetic data have become of increasing importance to build large datasets required for Convolution Neural Networks (CNN) based deep learning techniques for a wide range of computer vision applications. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Muhammad Ali Farooq , Peter Corcoran