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Related papers: An Overview of Facial Micro-Expression Analysis: D…

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Facial expression data is characterized by a significant imbalance, with most collected data showing happy or neutral expressions and fewer instances of fear or disgust. This imbalance poses challenges to facial expression recognition (FER)…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yuhang Zhang , Yaqi Li , Lixiong Qin , Xuannan Liu , Weihong Deng

Micro-expressions (MEs) are regarded as important indicators of an individual's intrinsic emotions, preferences, and tendencies. ME analysis requires spotting of ME intervals within long video sequences and recognition of their…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Zizheng Guo , Bochao Zou , Junbao Zhuo , Huimin Ma

Correctly perceiving micro-expression is difficult since micro-expression is an involuntary, repressed, and subtle facial expression, and efficiently revealing the subtle movement changes and capturing the significant segments in a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Jiateng Liu , Wenming Zheng , Yuan Zong

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

The recent research of facial expression recognition has made a lot of progress due to the development of deep learning technologies, but some typical challenging problems such as the variety of rich facial expressions and poses are still…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Wenxuan Wang , Qiang Sun , Tao Chen , Chenjie Cao , Ziqi Zheng , Guoqiang Xu , Han Qiu , Yanwei Fu

A micro-expression is a spontaneous unconscious facial muscle movement that can reveal the true emotions people attempt to hide. Although manual methods have made good progress and deep learning is gaining prominence. Due to the short…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Fengping Wang , Jie Li , Chun Qi , Lin Wang , Pan Wang

How much does ethnicity play its part in emotional expression? Emotional expression and micro-expression research probe into understanding human psychological responses to emotional stimuli, thereby revealing substantial hidden yet…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Huai-Qian Khor , Yante Li , Xingxun Jiang , Guoying Zhao

Facial expression recognition (FER) has emerged as a promising approach to the development of emotion-aware intelligent agents and systems. However, key challenges remain in utilizing FER in real-world contexts, including ensuring user…

Human-Computer Interaction · Computer Science 2025-07-31 Sanjeev Nahulanthran , Leimin Tian , Dana Kulić , Mor Vered

Micro-expressions recognition (MER) has essential application value in many fields, but the short duration and low intensity of micro-expressions (MEs) bring considerable challenges to MER. The current MER methods in deep learning mainly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Liangyu Fu , Xuecheng Wu , Danlei Huang , Xinyi Yin

Throughout the various ages, facial expressions have become one of the universal ways of non-verbal communication. The ability to recognize facial expressions would pave the path for many novel applications. Despite the success of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Raghu Vamshi. N , Bharathi Raja S

Facial micro-expressions are subtle and involuntary expressions that can reveal concealed emotions. Micro-expressions are an invaluable source of information in application domains such as lie detection, mental health, sentiment analysis…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Michiel Verburg , Vlado Menkovski

With the transition of facial expression recognition (FER) from laboratory-controlled to challenging in-the-wild conditions and the recent success of deep learning techniques in various fields, deep neural networks have increasingly been…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Shan Li , Weihong Deng

Micro-Expression (ME) is the spontaneous, involuntary movement of a face that can reveal the true feeling. Recently, increasing researches have paid attention to this field combing deep learning techniques. Action units (AUs) are the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ling Lo , Hong-Xia Xie , Hong-Han Shuai , Wen-Huang Cheng

Facial expression is an essential factor in conveying human emotional states and intentions. Although remarkable advancement has been made in facial expression recognition (FER) task, challenges due to large variations of expression…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Jie Lei , Zhao Liu , Zeyu Zou , Tong Li , Xu Juan , Shuaiwei Wang , Guoyu Yang , Zunlei Feng

The facial expression recognition is an ocular task that can be performed without human discomfort, is really a speedily growing on the computer research field. There are many applications and programs uses facial expression to evaluate…

Computer Vision and Pattern Recognition · Computer Science 2015-06-08 Abdelmajid Hassan Mansour , Gafar Zen Alabdeen Salh , Ali Shaif Alhalemi

Micro-expressions have drawn increasing interest lately due to various potential applications. The task is, however, difficult as it incorporates many challenges from the fields of computer vision, machine learning and emotional sciences.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Tuomas Varanka , Yante Li , Wei Peng , Guoying Zhao

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

In this paper, we present SAFER, a novel system for emotion recognition from facial expressions. It employs state-of-the-art deep learning techniques to extract various features from facial images and incorporates contextual information,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Mijanur Palash , Bharat Bhargava

Facial Expression Recognition (FER) is a critical task within computer vision with diverse applications across various domains. Addressing the challenge of limited FER datasets, which hampers the generalization capability of expression…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Bach Nguyen-Xuan , Thien Nguyen-Hoang , Thanh-Huy Nguyen , Nhu Tai-Do

Automated facial identification and facial expression recognition have been topics of active research over the past few decades. Facial and expression recognition find applications in human-computer interfaces, subject tracking, real-time…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Sohini Roychowdhury , Michelle Emmons