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Related papers: MERANet: Facial Micro-Expression Recognition using…

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Micro-expression recognition (MER) presents a significant challenge due to the transient and subtle nature of the motion changes involved. In recent years, deep learning methods based on attention mechanisms have made some breakthroughs in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Lijun Zhang , Yifan Zhang , Weicheng Tang , Xinzhi Sun , Xiaomeng Wang , Zhanshan Li

Residual-based neural networks have shown remarkable results in various visual recognition tasks including Facial Expression Recognition (FER). Despite the tremendous efforts have been made to improve the performance of FER systems using…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Behzad Hasani , Pooran Singh Negi , Mohammad H. Mahoor

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

Facial expressions play a fundamental role in human communication. Indeed, they typically reveal the real emotional status of people beyond the spoken language. Moreover, the comprehension of human affect based on visual patterns is a key…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Fabio Valerio Massoli , Donato Cafarelli , Giuseppe Amato , Fabrizio Falchi

The increase of available large clinical and experimental datasets has contributed to a substantial amount of important contributions in the area of biomedical image analysis. Image segmentation, which is crucial for any quantitative…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Nikhil Kumar Tomar , Debesh Jha , Michael A. Riegler , Håvard D. Johansen , Dag Johansen , Jens Rittscher , Pål Halvorsen , Sharib Ali

Facial micro-expression recognition (MER) is a challenging task, due to the transience, subtlety, and dynamics of micro-expressions (MEs). Most existing methods resort to hand-crafted features or deep networks, in which the former often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Zhiwen Shao , Yifan Cheng , Fan Zhang , Xuehuai Shi , Canlin Li , Lizhuang Ma , Dit-yan Yeung

Micro-expressions are spontaneous, unconscious facial movements that show people's true inner emotions and have great potential in related fields of psychological testing. Since the face is a 3D deformation object, the occurrence of an…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Fengping Wang , Jie Li , Siqi Zhang , Chun Qi , Yun Zhang , Danmin Miao

Recognizing the expressions of partially occluded faces is a challenging computer vision problem. Previous expression recognition methods, either overlooked this issue or resolved it using extreme assumptions. Motivated by the fact that the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Hui Ding , Peng Zhou , Rama Chellappa

Facial emotion recognition (FER) is significant for human-computer interaction such as clinical practice and behavioral description. Accurate and robust FER by computer models remains challenging due to the heterogeneity of human faces and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Yousif Khaireddin , Zhuofa Chen

Facial Emotion Recognition (FER) plays a crucial role in computer vision, with significant applications in human-computer interaction, affective computing, and areas such as mental health monitoring and personalized learning environments.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Arnab Kumar Roy , Hemant Kumar Kathania , Adhitiya Sharma

Facial Expression Recognition is a vital research topic in most fields ranging from artificial intelligence and gaming to Human-Computer Interaction (HCI) and Psychology. This paper proposes a hybrid model for Facial Expression recognition,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Ozioma Collins Oguine , Kanyifeechukwu Jane Oguine , Hashim Ibrahim Bisallah , Daniel Ofuani

Facial micro-expressions are sudden involuntary minute muscle movements which reveal true emotions that people try to conceal. Spotting a micro-expression and recognizing it is a major challenge owing to its short duration and intensity.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Sauradip Nag , Ayan Kumar Bhunia , Aishik Konwer , Partha Pratim Roy

While recent advances in deep learning have led to significant improvements in facial expression classification (FEC), a major challenge that remains a bottleneck for the widespread deployment of such systems is their high architectural and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 James Ren Hou Lee , Linda Wang , Alexander Wong

Facial emotion recognition is a vast and complex problem space within the domain of computer vision and thus requires a universally accepted baseline method with which to evaluate proposed models. While test datasets have served this…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Nyle Siddiqui , Rushit Dave , Tyler Bauer , Thomas Reither , Dylan Black , Mitchell Hanson

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

Facial expression recognition is an important research direction in the field of artificial intelligence. Although new breakthroughs have been made in recent years, the uneven distribution of datasets and the similarity between different…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Bingyu Nan , Feng Liu , Xuezhong Qian , Wei Song

Unlike macro-expression, micro-expression does not follow a strictly consistent mapping rule between emotions and Action Units (AUs). As a result, some micro-expressions share identical AUs yet represent completely opposite emotional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Chenxing Hu , Kun Xie , Qiguang Miao , Ruyi Liu , Quan Wang , Zongkai Yang

Micro-action is an imperceptible non-verbal behaviour characterised by low-intensity movement. It offers insights into the feelings and intentions of individuals and is important for human-oriented applications such as emotion recognition…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Dan Guo , Kun Li , Bin Hu , Yan Zhang , Meng Wang

Facial expressions are one of the most powerful ways for depicting specific patterns in human behavior and describing human emotional state. Despite the impressive advances of affective computing over the last decade, automatic video-based…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Thomas Teixeira , Eric Granger , Alessandro Lameiras Koerich

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