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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 study a series of recognition tasks in two realistic scenarios requiring the analysis of faces under strong occlusion. On the one hand, we aim to recognize facial expressions of people wearing Virtual Reality (VR) headsets. On the other…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Mariana-Iuliana Georgescu , Georgian Duta , Radu Tudor Ionescu

The significance of emotion detection is increasing in education, entertainment, and various other domains. We are developing a system that can identify and transform facial expressions into emojis to provide immediate feedback.The project…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Abhilash Khuntia , Shubham Kale

Compared with traditional face-to-face teaching, online learning is more convenient. However, during online classes, it is more difficult for teachers to observe all student reactions at the same time. Our system is designed to help…

Computers and Society · Computer Science 2021-12-20 Yanyi Peng , Masato Kikuchi , Tadachika Ozono

AI technologies that sense student attention and emotions to enable more personalised teaching interventions are increasingly promoted, but raise pressing questions about student learning, well-being, and ethics. In particular, students'…

Human-Computer Interaction · Computer Science 2026-02-12 Bingyi Han , Ying Ma , Simon Coghlan , Dana McKay , George Buchanan , Wally Smith

Although much progress has been made in the facial expression analysis field, facial occlusions are still challenging. The main innovation brought by this contribution consists in exploiting the specificities of facial movement propagation…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Delphine Poux , Benjamin Allaert , Jose Mennesson , Nacim Ihaddadene , Ioan Marius Bilasco , Chaabane Djeraba

A person's face discloses important information about their affective state. Although there has been extensive research on recognition of facial expressions, the performance of existing approaches is challenged by facial occlusions. Facial…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Behnaz Nojavanasghari , Charles. E. Hughes , Tadas Baltrusaitis , Louis-philippe Morency

We examine the utility of implicit behavioral cues in the form of EEG brain signals and eye movements for gender recognition (GR) and emotion recognition (ER). Specifically, the examined cues are acquired via low-cost, off-the-shelf…

Human-Computer Interaction · Computer Science 2017-08-30 Maneesh Bilalpur , Seyed Mostafa Kia , Tat-Seng Chua , Ramanathan Subramanian

Agents must monitor their partners' affective states continuously in order to understand and engage in social interactions. However, methods for evaluating affect recognition do not account for changes in classification performance that may…

Human-Computer Interaction · Computer Science 2025-09-08 Allen Chang , Lauren Klein , Marcelo R. Rosales , Weiyang Deng , Beth A. Smith , Maja J. Matarić

Students' academic emotions significantly influence their social behavior and learning performance. Traditional approaches to automatically and accurately analyze these emotions have predominantly relied on supervised machine learning…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Deliang Wang , Chao Yang , Gaowei Chen

Affect (emotion) recognition has gained significant attention from researchers in the past decade. Emotion-aware computer systems and devices have many applications ranging from interactive robots, intelligent online tutor to emotion based…

Human-Computer Interaction · Computer Science 2016-07-12 Amol Patwardhan , Gerald Knapp

In this paper, we study the task of facial expression recognition under strong occlusion. We are particularly interested in cases where 50% of the face is occluded, e.g. when the subject wears a Virtual Reality (VR) headset. While previous…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Mariana-Iuliana Georgescu , Radu Tudor Ionescu

Academic emotion analysis plays a crucial role in evaluating students' engagement and cognitive states during the learning process. This paper addresses the challenge of automatically recognizing academic emotions through facial expressions…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Luming Zhao , Jingwen Xuan , Jiamin Lou , Yonghui Yu , Wenwu Yang

Facial behavior analysis is a broad topic with various categories such as facial emotion recognition, age, and gender recognition. Many studies focus on individual tasks while the multi-task learning approach is still an open research issue…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Dang-Khanh Nguyen , Sudarshan Pant , Ngoc-Huynh Ho , Guee-Sang Lee , Soo-Huyng Kim , Hyung-Jeong Yang

Recognizing human emotion/expressions automatically is quite an expected ability for intelligent robotics, as it can promote better communication and cooperation with humans. Current deep-learning-based algorithms may achieve impressive…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Tao Pu , Tianshui Chen , Yuan Xie , Hefeng Wu , Liang Lin

Occlusion and pose variations, which can change facial appearance significantly, are two major obstacles for automatic Facial Expression Recognition (FER). Though automatic FER has made substantial progresses in the past few decades,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Kai Wang , Xiaojiang Peng , Jianfei Yang , Debin Meng , Yu Qiao

Facial expression recognition (FER) is a challenging task due to pervasive occlusion and dataset biases. Especially when facial information is partially occluded, existing FER models struggle to extract effective facial features, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Huiyu Zhai , Xingxing Yang , Yalan Ye , Chenyang Li , Bin Fan , Changze Li

Applications of an efficient emotion recognition system can be found in several domains such as medicine, driver fatigue surveillance, social robotics, and human-computer interaction. Appraising human emotional states, behaviors, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Savinay Nagendra , Prapti Panigrahi

Detecting mind wandering is crucial in online education, and it occurs 30% of the time, as it directly impacts learners' retention, comprehension, and overall success in self-directed learning environments. Integrating automated detection…

The lack of occlusion data in common action recognition video datasets limits model robustness and hinders consistent performance gains. We build OccludeNet, a large-scale occluded video dataset including both real and synthetic occlusion…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Guanyu Zhou , Wenxuan Liu , Wenxin Huang , Xuemei Jia , Xian Zhong , Chia-Wen Lin