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Related papers: 3D Facial Action Units Recognition for Emotional E…

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Action Unit (AU) detection plays an important role for facial expression recognition. To the best of our knowledge, there is little research about AU analysis for micro-expressions. In this paper, we focus on AU detection in…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Yante Li , Xiaohua Huang , Guoying Zhao

Human communication is the vocal and non verbal signal to communicate with others. Human expression is a significant biometric object in picture and record databases of surveillance systems. Face appreciation has a serious role in biometric…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 P. Deivendran , P. Suresh Babu , G. Malathi , K. Anbazhagan , R. Senthil Kumar

Facial action unit (AU) recognition is a crucial task for facial expressions analysis and has attracted extensive attention in the field of artificial intelligence and computer vision. Existing works have either focused on designing or…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Guanbin Li , Xin Zhu , Yirui Zeng , Qing Wang , Liang Lin

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

Emotion being a subjective thing, leveraging knowledge and science behind labeled data and extracting the components that constitute it, has been a challenging problem in the industry for many years. With the evolution of deep learning in…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Prudhvi Raj Dachapally

To describe complex emotional states, psychologists have proposed multiple emotion descriptors: sparse descriptors like facial action units; continuous descriptors like valence and arousal; and discrete class descriptors like happiness and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Didan Deng

Affective Behavior Analysis aims to facilitate technology emotionally smart, creating a world where devices can understand and react to our emotions as humans do. To comprehensively evaluate the authenticity and applicability of emotional…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Wei Zhang , Feng Qiu , Chen Liu , Lincheng Li , Heming Du , Tiancheng Guo , Xin Yu

Automatic facial action unit (AU) recognition is used widely in facial expression analysis. Most existing AU recognition systems aim for cross-participant non-calibrated generalization (NCG) to unseen faces without further calibration.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Shuangquan Feng , Virginia R. de Sa

Parkinson's Disease (PD) is a neurological disorder that affects facial movements and non-verbal communication. Patients with PD present a reduction in facial movements called hypomimia which is evaluated in item 3.2 of the MDS-UPDRS-III…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Luis Felipe Gomez-Gomez , Aythami Morales , Julian Fierrez , Juan Rafael Orozco-Arroyave

Facial Action Units (AUs) are essential for conveying psychological states and emotional expressions. While automatic AU detection systems leveraging deep learning have progressed, they often overfit to specific datasets and individual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yong Li , Yi Ren , Xuesong Niu , Yi Ding , Xiu-Shen Wei , Cuntai Guan

Micro-expressions (MEs) are brief, low-intensity, often localized facial expressions. They could reveal genuine emotions individuals may attempt to conceal, valuable in contexts like criminal interrogation and psychological counseling.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Jingting Li , Yu Qian , Lin Zhao , Su-Jing Wang

This work represents the experimental and development process of system facial expression recognition and facial stress analysis algorithms for an immersive digital learning platform. The system retrieves from users web camera and evaluates…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Fabio Cacciatori , Sergei Nikolaev , Dmitrii Grigorev , Anastasiia Archangelskaya

Emotion is an experience associated with a particular pattern of physiological activity along with different physiological, behavioral and cognitive changes. One behavioral change is facial expression, which has been studied extensively…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Xiaotian Li , Xiang Zhang , Huiyuan Yang , Wenna Duan , Weiying Dai , Lijun Yin

The paper explores the topic of Facial Action Unit (FAU) detection in the wild. In particular, we are interested in answering the following questions: (1) how useful are residual connections across dense blocks for face analysis? (2) how…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Shreyank Jyoti , Abhinav Dhall

Facial Action Units (AU) is a vital concept in the realm of affective computing, and AU detection has always been a hot research topic. Existing methods suffer from overfitting issues due to the utilization of a large number of learnable…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Kaishen Yuan , Zitong Yu , Xin Liu , Weicheng Xie , Huanjing Yue , Jingyu Yang

In this paper, a face emotion is considered as the result of the composition of multiple concurrent signals, each corresponding to the movements of a specific facial muscle. These concurrent signals are represented by means of a set of…

Computer Vision and Pattern Recognition · Computer Science 2015-07-19 Liliana Lo Presti , Marco La Cascia

Despite the success of deep neural networks on facial action unit (AU) detection, better performance depends on a large number of training images with accurate AU annotations. However, labeling AU is time-consuming, expensive, and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Yong Li , Shiguang Shan

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

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

Nearly all existing Facial Action Coding System-based datasets that include facial action unit (AU) intensity information annotate the intensity values hierarchically using A--E levels. However, facial expressions change continuously and…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Wei Gan , Jian Xue , Ke Lu , Yanfu Yan , Pengcheng Gao , Jiayi Lyu
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