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One of the most common problems encountered in human-computer interaction is automatic facial expression recognition. Although it is easy for human observer to recognize facial expressions, automatic recognition remains difficult for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Mohamad Roshanzamir , Roohallah Alizadehsani , Mahdi Roshanzamir , Afshin Shoeibi , Juan M. Gorriz , Abbas Khosrave , Saeid Nahavandi

Facial action unit (AU) detection and face alignment are two highly correlated tasks since facial landmarks can provide precise AU locations to facilitate the extraction of meaningful local features for AU detection. Most existing AU…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Zhiwen Shao , Zhilei Liu , Jianfei Cai , Lizhuang Ma

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

Facial action unit (AU) detection is a challenging task due to the scarcity of manual annotations. Recent works on AU detection with self-supervised learning have emerged to address this problem, aiming to learn meaningful AU…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Juan Song , Zhilei Liu

The paper describes our proposed methodology for the six basic expression classification track of Affective Behavior Analysis in-the-wild (ABAW) Competition 2022. In Learing from Synthetic Data(LSD) task, facial expression recognition (FER)…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Shuyi Mao , Xinpeng Li , Junyao Chen , Xiaojiang Peng

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

The analysis of expression and facial Action Units (AUs) detection are very important tasks in fields of computer vision and Human Computer Interaction (HCI) due to the wide range of applications in human life. Many works has been done…

Computer Vision and Pattern Recognition · Computer Science 2015-11-09 Mohammadamin Abbasnejad , Mohammad Ali Masnadi-Shirazi

Dynamic facial expression recognition (DFER) is an important task in the field of computer vision. To apply automatic DFER in practice, it is necessary to accurately recognize ambiguous facial expressions, which often appear in data in the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Ryosuke Kawamura , Hideaki Hayashi , Noriko Takemura , Hajime Nagahara

Facial action unit (AU) detection, aiming to classify AU present in the facial image, has long suffered from insufficient AU annotations. In this paper, we aim to mitigate this data scarcity issue by learning AU representations from a large…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Yong Li , Shiguang Shan

It is challenging to recognize facial action unit (AU) from spontaneous facial displays, especially when they are accompanied by speech. The major reason is that the information is extracted from a single source, i.e., the visual channel,…

Computer Vision and Pattern Recognition · Computer Science 2017-07-03 Zibo Meng , Shizhong Han , Ping Liu , Yan Tong

Despite the impressive performance of current vision-based facial action unit (AU) detection approaches, they are heavily susceptible to the variations across different domains and the cross-domain AU detection methods are under-explored.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yong Li , Menglin Liu , Zhen Cui , Yi Ding , Yuan Zong , Wenming Zheng , Shiguang Shan , Cuntai Guan

A core challenge faced by the majority of individuals with Autism Spectrum Disorder (ASD) is an impaired ability to infer other people's emotions based on their facial expressions. With significant recent advances in machine learning, one…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 James Ren Hou Lee , Alexander Wong

Attention mechanism has recently attracted increasing attentions in the field of facial action unit (AU) detection. By finding the region of interest of each AU with the attention mechanism, AU-related local features can be captured. Most…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Zhiwen Shao , Zhilei Liu , Jianfei Cai , Yunsheng Wu , Lizhuang Ma

Facial Action Coding System is an approach for modeling the complexity of human emotional expression. Automatic action unit (AU) detection is a crucial research area in human-computer interaction. This paper describes our submission to the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Duy Le Hoai , Eunchae Lim , Eunbin Choi , Sieun Kim , Sudarshan Pant , Guee-Sang Lee , Soo-Huyng Kim , Hyung-Jeong Yang

We introduce a novel task, Generalized Facial Expression Category Discovery (G-FACE), that discovers new, unseen facial expressions while recognizing known categories effectively. Even though there are generalized category discovery methods…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Tingzhang Luo , Yichao Liu , Yuanyuan Liu , Andi Zhang , Xin Wang , Yibing Zhan , Chang Tang , Leyuan Liu , Zhe Chen

Facial Expression Recognition (FER) is a critical task within computer vision with diverse applications across various domains. Addressing the challenge of limited FER datasets, which hampers the generalization capability of expression…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Bach Nguyen-Xuan , Thien Nguyen-Hoang , Thanh-Huy Nguyen , Nhu Tai-Do

Although state-of-the-art classifiers for facial expression recognition (FER) can achieve a high level of accuracy, they lack interpretability, an important feature for end-users. Experts typically associate spatial action units (AUs) from…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Soufiane Belharbi , Marco Pedersoli , Alessandro Lameiras Koerich , Simon Bacon , Eric Granger

In this paper, we present a multimodal approach to simultaneously analyze facial movements and several peripheral physiological signals to decode individualized affective experiences under positive and negative emotional contexts, while…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Yu Yin , Mohsen Nabian , Miolin Fan , ChunAn Chou , Maria Gendron , Sarah Ostadabbas

Only parts of unlabeled data are selected to train models for most semi-supervised learning methods, whose confidence scores are usually higher than the pre-defined threshold (i.e., the confidence margin). We argue that the recognition…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Hangyu Li , Nannan Wang , Xi Yang , Xiaoyu Wang , Xinbo Gao

In this paper, we present SAFER, a novel system for emotion recognition from facial expressions. It employs state-of-the-art deep learning techniques to extract various features from facial images and incorporates contextual information,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Mijanur Palash , Bharat Bhargava
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