English
Related papers

Related papers: Spotting Macro- and Micro-expression Intervals in …

200 papers

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

Micro-expressions are short bursts of emotion that are difficult to hide. Their detection in children is an important cue to assist psychotherapists in conducting better therapy. However, existing research on the detection of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Nikin~Matharaarachchi , Muhammad~Fermi Pasha , Sonya~Coleman , Kah PengWong

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

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 expression recognition in videos is an active area of research in computer vision. However, fake facial expressions are difficult to be recognized even by humans. On the other hand, facial micro-expressions generally represent the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Sai Prasanna Teja Reddy , Surya Teja Karri , Shiv Ram Dubey , Snehasis Mukherjee

Facial micro-expressions are very brief, spontaneous facial expressions that appear on the face of humans when they either deliberately or unconsciously conceal an emotion. Micro-expression has shorter duration than macro-expression, which…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Walied Merghani , Adrian K. Davison , Moi Hoon Yap

Techniques for detecting mirrors from static images have witnessed rapid growth in recent years. However, these methods detect mirrors from single input images. Detecting mirrors from video requires further consideration of temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Mingchen Xu , Jing Wu , Yukun Lai , Ze Ji

Facial expression is a standout amongst the most imperative features of human emotion recognition. For demonstrating the emotional states facial expressions are utilized by the people. In any case, recognition of facial expressions has…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 S. D. Lalitha , K. K. Thyagharajan

Accurately analyzing spontaneous, unconscious micro-expressions is crucial for revealing true human emotions, but this task remains challenging in wild scenarios, such as natural conversation. Existing research largely relies on datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Yigui Feng , Qinglin Wang , Yang Liu , Ke Liu , Haotian Mo , Enhao Huang , Gencheng Liu , Mingzhe Liu , Jie Liu

Detecting transitions between intro/credits and main content in videos is a crucial task for content segmentation, indexing, and recommendation systems. Manual annotation of such transitions is labor-intensive and error-prone, while…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Vasilii Korolkov , Andrey Yanchenko

This technical report analyzes an egocentric video action detection method we used in the 2021 EPIC-KITCHENS-100 competition hosted in CVPR2021 Workshop. The goal of our task is to locate the start time and the end time of the action in the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Zhiwu Qing , Ziyuan Huang , Xiang Wang , Yutong Feng , Shiwei Zhang , Jianwen Jiang , Mingqian Tang , Changxin Gao , Marcelo H. Ang , Nong Sang

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

Learners' use of video controls in educational videos provides implicit signals of cognitive processing and instructional design quality, yet the lack of scalable and explainable predictive models limits instructors' ability to anticipate…

Artificial Intelligence · Computer Science 2026-04-07 Dominik Glandorf , Fares Fawzi , Tanja Käser

Unlike prevalent facial expressions, micro expressions have subtle, involuntary muscle movements which are short-lived in nature. These minute muscle movements reflect true emotions of a person. Due to the short duration and low intensity,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh , Subrahmanyam Murala

Face recognition in collaborative learning videos presents many challenges. In collaborative learning videos, students sit around a typical table at different positions to the recording camera, come and go, move around, get partially or…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Phuong Tran , Marios Pattichis , Sylvia Celedón-Pattichis , Carlos LópezLeiva

As a spontaneous expression of emotion on face, micro-expression reveals the underlying emotion that cannot be controlled by human. In micro-expression, facial movement is transient and sparsely localized through time. However, the existing…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Min Peng , Chongyang Wang , Yuan Gao , Tao Bi , Tong Chen , Yu Shi , Xiang-Dong Zhou

In this paper, we develop a new method that recognizes facial expressions, on the basis of an innovative local motion patterns feature, with three main contributions. The first one is the analysis of the face skin temporal elasticity and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 B. Allaert , IM. Bilasco , C. Djeraba

Facial micro-expressions, characterized by their subtle and brief nature, are valuable indicators of genuine emotions. Despite their significance in psychology, security, and behavioral analysis, micro-expression recognition remains…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Luu Tu Nguyen , Vu Tram Anh Khuong , Thi Bich Phuong Man , Thi Duyen Ngo , Thanh Ha Le

Facial micro-expressions recognition has attracted much attention recently. Micro-expressions have the characteristics of short duration and low intensity, and it is difficult to train a high-performance classifier with the limited number…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Yanxin Song , Jianzong Wang , Tianbo Wu , Zhangcheng Huang , Jing Xiao

In this letter, we propose a new method, Multi-Clue Gaze (MCGaze), to facilitate video gaze estimation via capturing spatial-temporal interaction context among head, face, and eye in an end-to-end learning way, which has not been well…

Computer Vision and Pattern Recognition · Computer Science 2024-01-01 Yiran Guan , Zhuoguang Chen , Wenzheng Zeng , Zhiguo Cao , Yang Xiao