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Automatic Micro-Expression (ME) spotting in long videos is a crucial step in ME analysis but also a challenging task due to the short duration and low intensity of MEs. When solving this problem, previous works generally lack in considering…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Shukang Yin , Shiwei Wu , Tong Xu , Shifeng Liu , Sirui Zhao , Enhong Chen

Deep neural networks enriched with structural information have been widely employed for facial expression recognition tasks. However, these methods often depend on hierarchical information rather than face property to finish expression…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Chunwei Tian , Jingyuan Xie , Qi Zhang , Chao Li , Wangmeng Zuo , Shichao Zhang

Most of the existing deep neural nets on automatic facial expression recognition focus on a set of predefined emotion classes, where the amount of training data has the biggest impact on performance. However, in the standard setting…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Anca-Nicoleta Ciubotaru , Arnout Devos , Behzad Bozorgtabar , Jean-Philippe Thiran , Maria Gabrani

Micro-expression recognition is vital for affective computing but remains challenging due to the extremely brief, low-intensity facial motions involved and the high-dimensional nature of 4D mesh data. To address these challenges, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Luu Tu Nguyen , Thi Bich Phuong Man , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo

Capsule neural network is a new and popular technique in deep learning. However, the traditional capsule neural network does not extract features sufficiently before the dynamic routing between the capsules. In this paper, the one Double…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Shan Cao , Yuqian Yao , Gaoyun An

This paper discusses the benefits of incorporating multimodal data for improving latent emotion recognition accuracy, focusing on micro-expression (ME) and physiological signals (PS). The proposed approach presents a novel multimodal…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Liangfei Zhang , Yifei Qian , Ognjen Arandjelovic , Anthony Zhu

Dynamic facial expression recognition (DFER) is essential to the development of intelligent and empathetic machines. Prior efforts in this field mainly fall into supervised learning paradigm, which is severely restricted by the limited…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Licai Sun , Zheng Lian , Bin Liu , Jianhua Tao

Facial expression datasets remain limited in scale due to the subjectivity of annotations and the labor-intensive nature of data collection. This limitation poses a significant challenge for developing modern deep learning-based facial…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Xilin He , Cheng Luo , Xiaole Xian , Bing Li , Muhammad Haris Khan , Zongyuan Ge , Weicheng Xie , Siyang Song , Linlin Shen , Bernard Ghanem , Xiangyu Yue

Facial micro-expressions (MEs) are involuntary movements of the face that occur spontaneously when a person experiences an emotion but attempts to suppress or repress the facial expression, typically found in a high-stakes environment. In…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Xinqi Fan , Jingting Li , John See , Moi Hoon Yap , Su-Jing Wang , Adrian K. Davison

Speech emotion recognition~(SER) refers to the technique of inferring the emotional state of an individual from speech signals. SERs continue to garner interest due to their wide applicability. Although the domain is mainly founded on…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-29 Sneha Das , Nicklas Leander Lund , Nicole Nadine Lønfeldt , Anne Katrine Pagsberg , Line H. Clemmensen

Facial expression recognition (FER) is still one challenging research due to the small inter-class discrepancy in the facial expression data. In view of the significance of facial crucial regions for FER, many existing researches utilize…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Guanghui Shi , Shasha Mao , Shuiping Gou , Dandan Yan , Licheng Jiao , Lin Xiong

Multimodal Emotion Recognition (MER) aims to automatically identify and understand human emotional states by integrating information from various modalities. However, the scarcity of annotated multimodal data significantly hinders the…

Human-Computer Interaction · Computer Science 2024-09-11 Zhixian Zhao , Haifeng Chen , Xi Li , Dongmei Jiang , Lei Xie

Previous methods for dynamic facial expression recognition (DFER) in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. Transformer-based methods for DFER…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Fuyan Ma , Bin Sun , Shutao Li

Micro-expressions (MEs) are crucial leakages of concealed emotion, yet their study has been constrained by a reliance on silent, visual-only data. To solve this issue, we introduce two principal contributions. First, MMED, to our knowledge,…

Multimedia · Computer Science 2025-09-19 Junbo Wang , Yan Zhao , Shuo Li , Shibo Wang , Shigang Wang , Jian Wei

Facial expression recognition (FER) has emerged as an important component of human-computer interaction systems. Despite recent advancements in FER, performance often drops significantly for non-frontal facial images. We propose Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Shuvendu Roy , Ali Etemad

Expressing and identifying emotions through facial and physical expressions is a significant part of social interaction. Emotion recognition is an essential task in computer vision due to its various applications and mainly for allowing a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Willams Costa , David Macêdo , Cleber Zanchettin , Lucas S. Figueiredo , Veronica Teichrieb

Recently, deep learning based facial expression recognition (FER) methods have attracted considerable attention and they usually require large-scale labelled training data. Nonetheless, the publicly available facial expression databases…

Computer Vision and Pattern Recognition · Computer Science 2020-02-07 Yan Yan , Ying Huang , Si Chen , Chunhua Shen , Hanzi Wang

Masked Autoencoders (MAE) have been popular paradigms for large-scale vision representation pre-training. However, MAE solely reconstructs the low-level RGB signals after the decoder and lacks supervision upon high-level semantics for the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Peng Gao , Renrui Zhang , Rongyao Fang , Ziyi Lin , Hongyang Li , Hongsheng Li , Qiao Yu

The rapid aging of the global population has highlighted the need for technologies to support elderly, particularly in healthcare and emotional well-being. Facial expression recognition (FER) systems offer a non-invasive means of monitoring…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 F. Xavier Gaya-Morey , Jose M. Buades-Rubio , Philippe Palanque , Raquel Lacuesta , Cristina Manresa-Yee

Humans are emotional creatures. Multiple modalities are often involved when we express emotions, whether we do so explicitly (e.g., facial expression, speech) or implicitly (e.g., text, image). Enabling machines to have emotional…

Signal Processing · Electrical Eng. & Systems 2021-11-10 Sicheng Zhao , Guoli Jia , Jufeng Yang , Guiguang Ding , Kurt Keutzer