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This paper discusses a novel method for Facial Expression Recognition System which performs facial expression analysis in a near real time from a live web cam feed. Primary objectives were to get results in a near real time with light…

Computer Vision and Pattern Recognition · Computer Science 2012-06-18 Saumil Srivastava

Dynamic facial expression recognition has many useful applications in social networks, multimedia content analysis, security systems and others. This challenging process must be done under recurrent problems of image illumination and low…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Ali Raza Shahid , Sheheryar Khan , Hong Yan

Concern regarding the wide-spread use of fraudulent images/videos in social media necessitates precise detection of such fraud. The importance of facial expressions in communication is widely known, and adversarial attacks often focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Ghazal Mazaheri , Amit K. Roy-Chowdhury

Micro-expressions (MEs) are involuntary, low-intensity, and short-duration facial expressions that often reveal an individual's genuine thoughts and emotions. Most existing ME analysis methods rely on window-level classification with fixed…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Zizheng Guo , Bochao Zou , Yinuo Jia , Xiangyu Li , Huimin Ma

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

The success of most advanced facial expression recognition works relies heavily on large-scale annotated datasets. However, it poses great challenges in acquiring clean and consistent annotations for facial expression datasets. On the other…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yuxuan Shu , Xiao Gu , Guang-Zhong Yang , Benny Lo

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-expressions (MEs) are involuntary facial movements revealing people's hidden feelings in high-stake situations and have practical importance in medical treatment, national security, interrogations and many human-computer interaction…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yante Li , Jinsheng Wei , Yang Liu , Janne Kauttonen , Guoying Zhao

Spotting facial micro-expression from videos finds various potential applications in fields including clinical diagnosis and interrogation, meanwhile this task is still difficult due to the limited scale of training data. To solve this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Yi Zhang , Youjun Zhao , Yuhang Wen , Zixuan Tang , Xinhua Xu , Mengyuan Liu

Micro-expression recognition plays a pivotal role in understanding hidden emotions and has applications across various fields. Traditional recognition methods assume access to all training data at once, but real-world scenarios involve…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zhengqin Lai , Xiaopeng Hong , Yabin Wang , Xiaobai Li

Micro-expression recognition (MER) aims to recognize the short and subtle facial movements from the Micro-expression (ME) video clips, which reveal real emotions. Recent MER methods mostly only utilize special frames from ME video clips or…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Haihong Hao , Shuo Wang , Huixia Ben , Yanbin Hao , Yansong Wang , Weiwei Wang

Despite recent interest and advances in facial micro-expression research, there is still plenty room for improvement in terms of micro-expression recognition. Conventional feature extraction approaches for micro-expression video consider…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 Sze-Teng Liong , John See , KokSheik Wong , Raphael C. -W. Phan

Micro-facial expressions are brief and involuntary facial movements that reflect genuine emotional states. While most prior work focuses on classifying discrete micro-expression categories, far fewer studies address the continuous evolution…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Riyadh Mohammed Almushrafy

Previous approaches to model and analyze facial expression analysis use three different techniques: facial action units, geometric features and graph based modelling. However, previous approaches have treated these technique separately.…

Computer Vision and Pattern Recognition · Computer Science 2016-06-03 Mehdi Ghayoumi , Arvind K Bansal

Micro-expression can reflect people's real emotions. Recognizing micro-expressions is difficult because they are small motions and have a short duration. As the research is deepening into micro-expression recognition, many effective…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Jinsheng Wei , Guanming Lu , Jingjie Yan

In this paper, a face emotion is considered as the result of the composition of multiple concurrent signals, each corresponding to the movements of a specific facial muscle. These concurrent signals are represented by means of a set of…

Computer Vision and Pattern Recognition · Computer Science 2015-07-19 Liliana Lo Presti , Marco La Cascia

The automatic recognition of micro-expression has been boosted ever since the successful introduction of deep learning approaches. As researchers working on such topics are moving to learn from the nature of micro-expression, the practice…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Min Peng , Chongyang Wang , Tao Bi , Tong Chen , XiangDong Zhou , Yu shi

Affect (emotion) recognition has gained significant attention from researchers in the past decade. Emotion-aware computer systems and devices have many applications ranging from interactive robots, intelligent online tutor to emotion based…

Human-Computer Interaction · Computer Science 2016-07-12 Amol Patwardhan , Gerald Knapp

Emotion detection from faces is one of the machine learning problems needed for human-computer interaction. The variety of methods used is enormous, which motivated an in-depth review of articles and scientific studies. Three of the most…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Aleksandra Jamróz , Patrycja Wysocka , Piotr Garbat

Facial expressions are one of the most powerful, natural and immediate means for human being to communicate their emotions and intensions. Recognition of facial expression has many applications including human-computer interaction,…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Deepak Ghimire , Sunghwan Jeong , Joonwhoan Lee , Sang Hyun Park
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