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In this paper an accurate real-time sequence-based system for representation, recognition, interpretation, and analysis of the facial action units (AUs) and expressions is presented. Our system has the following characteristics: 1)…

Computer Vision and Pattern Recognition · Computer Science 2010-04-06 Mahmoud Khademi , Mohammad Hadi Kiapour , Mohammad T. Manzuri-Shalmani , Ali A. Kiaei

Humans are skilled in reading the interlocutor's emotion from multimodal signals, including spoken words, simultaneous speech, and facial expressions. It is still a challenge to effectively decode emotions from the complex interactions of…

Machine Learning · Computer Science 2022-12-20 Feng Qiu , Chengyang Xie , Yu Ding , Wanzeng Kong

Early identification of stroke symptoms is essential for enabling timely intervention and improving patient outcomes, particularly in prehospital settings. This study presents a fast, non-invasive multimodal deep learning framework for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Ngoc-Khai Hoang , Thi-Nhu-Mai Nguyen , Huy-Hieu Pham

The rapid evolution of generative AI has increased the threat of realistic audio-visual deepfakes, demanding robust detection methods. Existing solutions primarily address unimodal (audio or visual) forgeries but struggle with multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jian Wang , Baoyuan Wu , Li Liu , Qingshan Liu

Algorithmic detection of facial palsy offers the potential to improve current practices, which usually involve labor-intensive and subjective assessment by clinicians. In this paper, we present a multimodal fusion-based deep learning model…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Heng Yim Nicole Oo , Min Hun Lee , Jeong Hoon Lim

Deep learning methods have revolutionized speech recognition, image recognition, and natural language processing since 2010. Each of these tasks involves a single modality in their input signals. However, many applications in the artificial…

Artificial Intelligence · Computer Science 2020-07-15 Chao Zhang , Zichao Yang , Xiaodong He , Li Deng

The Facial Action Coding System (FACS) encodes the action units (AUs) in facial images, which has attracted extensive research attention due to its wide use in facial expression analysis. Many methods that perform well on automatic facial…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Xuri Ge , Joemon M. Jose , Songpei Xu , Xiao Liu , Hu Han

Employing deep learning-based approaches for fine-grained facial expression analysis, such as those involving the estimation of Action Unit (AU) intensities, is difficult due to the lack of a large-scale dataset of real faces with…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Zhilei Liu , Guoxian Song , Jianfei Cai , Tat-Jen Cham , Juyong Zhang

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

The development of existing facial coding systems, such as the Facial Action Coding System (FACS), relied on manual examination of facial expression videos for defining Action Units (AUs). To overcome the labor-intensive nature of this…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Shivansh Chandra Tripathi , Rahul Garg

Facial Emotion Analysis (FEA) extends traditional facial emotion recognition by incorporating explainable, fine-grained reasoning. The task integrates three subtasks: emotion recognition, facial Action Unit (AU) recognition, and AU-based…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Jiulong Wu , Yucheng Shen , Lingyong Yan , Haixin Sun , Deguo Xia , Jizhou Huang , Min Cao

Facial Action Units (AUs) represent a set of facial muscular activities and various combinations of AUs can represent a wide range of emotions. AU recognition is often used in many applications, including marketing, healthcare, education,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Junya Saito , Xiaoyu Mi , Akiyoshi Uchida , Sachihiro Youoku , Takahisa Yamamoto , Kentaro Murase , Osafumi Nakayama

Recent studies have focused on utilizing multi-modal data to develop robust models for facial Action Unit (AU) detection. However, the heterogeneity of multi-modal data poses challenges in learning effective representations. One such…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Xiang Zhang , Huiyuan Yang , Taoyue Wang , Xiaotian Li , Lijun Yin

Facial attribute analysis has received considerable attention when deep learning techniques made remarkable breakthroughs in this field over the past few years. Deep learning based facial attribute analysis consists of two basic sub-issues:…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Xin Zheng , Yanqing Guo , Huaibo Huang , Yi Li , Ran He

As artificial intelligence (AI) systems become increasingly embedded in our daily life, the ability to recognize and adapt to human emotions is essential for effective human-computer interaction. Facial expression recognition (FER) provides…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Thibault Geoffroy , Myriam Maumy , Lionel Prevost

This paper explores the development of a multimodal sentiment analysis model that integrates text, audio, and visual data to enhance sentiment classification. The goal is to improve emotion detection by capturing the complex interactions…

Computation and Language · Computer Science 2025-01-15 Hui Lee , Singh Suniljit , Yong Siang Ong

Accurate recognition of human emotions is a crucial challenge in affective computing and human-robot interaction (HRI). Emotional states play a vital role in shaping behaviors, decisions, and social interactions. However, emotional…

Robotics · Computer Science 2024-09-19 Youssef Mohamed , Severin Lemaignan , Arzu Guneysu , Patric Jensfelt , Christian Smith

Emotional expressions are the behaviors that communicate our emotional state or attitude to others. They are expressed through verbal and non-verbal communication. Complex human behavior can be understood by studying physical features from…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Liam Schoneveld , Alice Othmani , Hazem Abdelkawy

People naturally understand emotions, thus permitting a machine to do the same could open new paths for human-computer interaction. Facial expressions can be very useful for emotion recognition techniques, as these are the biggest…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Pietro B. S. Masur , Willams Costa , Lucas S. Figueredo , Veronica Teichrieb

Facial action unit (AU) detection and facial expression (FE) recognition can be jointly viewed as affective facial behavior tasks, representing fine-grained muscular activations and coarse-grained holistic affective states, respectively.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jia Li , Yu Zhang , Yin Chen , Zhenzhen Hu , Yong Li , Richang Hong , Shiguang Shan , Meng Wang