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

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Facial Action Unit (AU) detection has gained significant attention as it enables the breakdown of complex facial expressions into individual muscle movements. In this paper, we revisit two fundamental factors in AU detection: diverse and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Mang Ning , Albert Ali Salah , Itir Onal Ertugrul

Facial emotion expression for virtual characters is used in a wide variety of areas. Often, the primary reason to use emotion expression is not to study emotion expression generation per se, but to use emotion expression in an application…

Human-Computer Interaction · Computer Science 2012-11-20 Joost Broekens , Chao Qu , Willem-Paul Brinkman

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

Augmenting human computer interaction with automated analysis and synthesis of facial expressions is a goal towards which much research effort has been devoted recently. Facial gesture recognition is one of the important component of…

Computer Vision and Pattern Recognition · Computer Science 2010-03-10 Supriya Kapoor , Shruti Khanna , Rahul Bhatia

Facial emotion recognition is an essential and important aspect of the field of human-machine interaction. Past research on facial emotion recognition focuses on the laboratory environment. However, it faces many challenges in real-world…

Computer Vision and Pattern Recognition · Computer Science 2019-11-14 Zheng Lian , Ya Li , Jian-Hua Tao , Jian Huang , Ming-Yue Niu

Detecting action units (AUs) on human faces is challenging because various AUs make subtle facial appearance change over various regions at different scales. Current works have attempted to recognize AUs by emphasizing important regions.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Chen Ma , Li Chen , Junhai Yong

Customizable 3D avatar-based facial expression stimuli may improve user engagement in behavioral biomarker discovery and therapeutic intervention for autism, Alzheimer's disease, facial palsy, and more. However, there is a lack of…

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

Automatic detection of facial Action Units (AUs) allows for objective facial expression analysis. Due to the high cost of AU labeling and the limited size of existing benchmarks, previous AU detection methods tend to overfit the dataset,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Yufeng Yin , Di Chang , Guoxian Song , Shen Sang , Tiancheng Zhi , Jing Liu , Linjie Luo , Mohammad Soleymani

Facial Action Unit (AU) detection is a crucial task for emotion analysis from facial movements. The apparent differences of different subjects sometimes mislead changes brought by AUs, resulting in inaccurate results. However, most of the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Jiyuan Cao , Zhilei Liu , Yong Zhang

Facial Action Unit (AU) detection seeks to recognize subtle facial muscle activations as defined by the Facial Action Coding System (FACS). A primary challenge w.r.t AU detection is the effective learning of discriminative and generalizable…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Yong Li , Yi Ren , Yizhe Zhang , Wenhua Zhang , Tianyi Zhang , Muyun Jiang , Guo-Sen Xie , Cuntai Guan

Since Facial Action Unit (AU) annotations require domain expertise, common AU datasets only contain a limited number of subjects. As a result, a crucial challenge for AU detection is addressing identity overfitting. We find that AUs and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhipeng Hu , Wei Zhang , Lincheng Li , Yu Ding , Wei Chen , Zhigang Deng , Xin Yu

Action Unit (AU) Detection is the branch of affective computing that aims at recognizing unitary facial muscular movements. It is key to unlock unbiased computational face representations and has therefore aroused great interest in the past…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Gauthier Tallec , Edouard Yvinec , Arnaud Dapogny , Kevin Bailly

This paper proposes a supervised learning approach to jointly perform facial Action Unit (AU) localisation and intensity estimation. Contrary to previous works that try to learn an unsupervised representation of the Action Unit regions, we…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Enrique Sanchez-Lozano , Georgios Tzimiropoulos , Michel Valstar

Micro-expressions are brief spontaneous facial expressions that appear on a face when a person conceals an emotion, making them different to normal facial expressions in subtlety and duration. Currently, emotion classes within the CASME II…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Adrian K. Davison , Walied Merghani , Moi Hoon Yap

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

In this paper, an Eigenvector based system has been presented to recognize facial expressions from digital facial images. In the approach, firstly the images were acquired and cropping of five significant portions from the image was…

Computer Vision and Pattern Recognition · Computer Science 2013-03-05 Jeemoni Kalita , Karen Das

Dynamic Facial Expression Recognition(DFER) is a rapidly evolving field of research that focuses on the recognition of time-series facial expressions. While previous research on DFER has concentrated on feature learning from a deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Feng Liu , Lingna Gu , Chen Shi , Xiaolan Fu

In this report, we present our solution for the Action Unit (AU) Detection Challenge, in 8th Competition on Affective Behavior Analysis in-the-wild. In order to achieve robust and accurate classification of facial action unit in the wild…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Jun Yu , Yunxiang Zhang , Xilong Lu , Yang Zheng , Yongqi Wang , Lingsi Zhu

Detecting action units is an important task in face analysis, especially in facial expression recognition. This is due, in part, to the idea that expressions can be decomposed into multiple action units. In this paper we investigate the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Saurabh Hinduja , Shaun Canavan , Saandeep Aathreya