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The facial expression recognition is an ocular task that can be performed without human discomfort, is really a speedily growing on the computer research field. There are many applications and programs uses facial expression to evaluate…

Computer Vision and Pattern Recognition · Computer Science 2015-06-08 Abdelmajid Hassan Mansour , Gafar Zen Alabdeen Salh , Ali Shaif Alhalemi

We present BlazeFace, a lightweight and well-performing face detector tailored for mobile GPU inference. It runs at a speed of 200-1000+ FPS on flagship devices. This super-realtime performance enables it to be applied to any augmented…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Valentin Bazarevsky , Yury Kartynnik , Andrey Vakunov , Karthik Raveendran , Matthias Grundmann

Facial Action Units (AUs) detection is a cornerstone of objective facial expression analysis and a critical focus in affective computing. Despite its importance, AU detection faces significant challenges, such as the high cost of AU…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Bohao Xing , Kaishen Yuan , Zitong Yu , Xin Liu , Heikki Kälviäinen

Automated facial identification and facial expression recognition have been topics of active research over the past few decades. Facial and expression recognition find applications in human-computer interfaces, subject tracking, real-time…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Sohini Roychowdhury , Michelle Emmons

In this paper we describe the anatomy of a real-time facial analysis system. The system recognizes the age, gender and facial expression from users in appearing in front of the camera. All components are based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Janne Tommola , Pedram Ghazi , Bishwo Adhikari , Heikki Huttunen

In this paper, we introduce an underexplored problem in facial analysis: generating and recognizing multi-attribute natural language descriptions, containing facial action units (AUs), emotional states, and age estimation, for arbitrarily…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Kaiwen Zheng , Junchen Fu , Songpei Xu , Yaoqing He , Joemon M. Jose , Han Hu , Xuri Ge

Analyzing facial features and expressions is a complex task in computer vision. The human face is intricate, with significant shape, texture, and appearance variations. In medical contexts, facial structures and movements that differ from…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Tim Büchner , Oliver Mothes , Orlando Guntinas-Lichius , Joachim Denzler

The recent research of facial expression recognition has made a lot of progress due to the development of deep learning technologies, but some typical challenging problems such as the variety of rich facial expressions and poses are still…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Wenxuan Wang , Qiang Sun , Tao Chen , Chenjie Cao , Ziqi Zheng , Guoqiang Xu , Han Qiu , Yanwei Fu

Facial micro-expressions are very brief, spontaneous facial expressions that appear on the face of humans when they either deliberately or unconsciously conceal an emotion. Micro-expression has shorter duration than macro-expression, which…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Walied Merghani , Adrian K. Davison , Moi Hoon Yap

The activations of Facial Action Units (AUs) mutually influence one another. While the relationship between a pair of AUs can be complex and unique, existing approaches fail to specifically and explicitly represent such cues for each pair…

Computer Vision and Pattern Recognition · Computer Science 2022-08-03 Cheng Luo , Siyang Song , Weicheng Xie , Linlin Shen , Hatice Gunes

Facial emotion recognition is the task to classify human emotions in face images. It is a difficult task due to high aleatoric uncertainty and visual ambiguity. A large part of the literature aims to show progress by increasing accuracy on…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Maryam Matin , Matias Valdenegro-Toro

Multimedia data, particularly images and videos, is integral to various applications, including surveillance, visual interaction, biometrics, evidence gathering, and advertising. However, amateur or skilled counterfeiters can simulate them…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Kutub Uddin , Nusrat Tasnim , Byung Tae Oh

Optical flow techniques are becoming increasingly performant and robust when estimating motion in a scene, but their performance has yet to be proven in the area of facial expression recognition. In this work, a variety of optical flow…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Benjamin Allaert , Isaac Ronald Ward , Ioan Marius Bilasco , Chaabane Djeraba , Mohammed Bennamoun

Facial action units (FAUs) are critical for fine-grained facial expression analysis. Although FAU detection has been actively studied using ideally high quality images, it was not thoroughly studied under heavily occluded conditions. In…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Minyang Jiang , Yongwei Wang , Martin J. McKeown , Z. Jane Wang

As machine learning approaches are increasingly used to augment human decision-making, eXplainable Artificial Intelligence (XAI) research has explored methods for communicating system behavior to humans. However, these approaches often fail…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Luke Guerdan , Alex Raymond , Hatice Gunes

Large language models (LLMs) enable increasingly capable tutoring-style conversational agents, yet effective tutoring requires sensitivity to learners' affective and cognitive states beyond text alone. Facial expressions provide immediate…

Human-Computer Interaction · Computer Science 2026-04-20 Shuangquan Feng , Laura Fleig , Ruisen Tu , Philip Chi , Edmund Bu , Melinda Ozel , Junhua Ma , Teng Fei , Virginia R. de Sa

Facial expression transfer between two unpaired images is a challenging problem, as fine-grained expression is typically tangled with other facial attributes. Most existing methods treat expression transfer as an application of expression…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Zhiwen Shao , Hengliang Zhu , Junshu Tang , Xuequan Lu , Lizhuang Ma

Most state-of-the-art approaches for Facial Action Unit (AU) detection rely upon evaluating facial expressions from static frames, encoding a snapshot of heightened facial activity. In real-world interactions, however, facial expressions…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Nikhil Churamani , Sinan Kalkan , Hatice Gunes

Facial attribute analysis in the real world scenario is very challenging mainly because of complex face variations. Existing works of analyzing face attributes are mostly based on the cropped and aligned face images. However, this result in…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Keke He , Yanwei Fu , Xiangyang Xue

Human facial action units (AUs) are mutually related in a hierarchical manner, as not only they are associated with each other in both spatial and temporal domains but also AUs located in the same/close facial regions show stronger…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Zihan Wang , Siyang Song , Cheng Luo , Songhe Deng , Weicheng Xie , Linlin Shen