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Related papers: Benchmarking Micro-action Recognition: Dataset, Me…

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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

Automatic human action recognition is indispensable for almost artificial intelligent systems such as video surveillance, human-computer interfaces, video retrieval, etc. Despite a lot of progress, recognizing actions in an unknown video is…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Engagement, which links to attentional, emotional, and cognitive dimensions, plays an important role in learning. In online and video-based learning environments, learners often need to regulate their own interactions with instructional…

Human-Computer Interaction · Computer Science 2026-05-05 Zikang Leng , Edan Eyal , Yingtian Shi , Jiaman He , Yaqi Liu , Thomas Plötz

Micro-gestures are subtle and transient movements triggered by unconscious neural and emotional activities, holding great potential for human-computer interaction and clinical monitoring. However, their low amplitude, short duration, and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Weijia Feng , Jingyu Yang , Ruojia Zhang , Fengtao Sun , Qian Gao , Chenyang Wang , Tongtong Su , Jia Guo , Xiaobai Li , Minglai Shao

Understanding emotions and expressions is a task of interest across multiple disciplines, especially for improving user experiences. Contrary to the common perception, it has been shown that emotions are not discrete entities but instead…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Niklas Wagner , Felix Mätzler , Samed R. Vossberg , Helen Schneider , Svetlana Pavlitska , J. Marius Zöllner

Understanding the semantics of human movement -- the what, how and why of the movement -- is an important problem that requires datasets of human actions with semantic labels. Existing datasets take one of two approaches. Large-scale video…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Abhinanda R. Punnakkal , Arjun Chandrasekaran , Nikos Athanasiou , Alejandra Quiros-Ramirez , Michael J. Black

Micro-action Recognition is vital for psychological assessment and human-computer interaction. However, existing methods often fail in real-world scenarios because inter-person variability causes the same action to manifest differently,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Feng-Qi Cui , Jinyang Huang , Anyang Tong , Ziyu Jia , Jie Zhang , Zhi Liu , Dan Guo , Jianwei Lu , Meng Wang

Micro-gestures are unconsciously performed body gestures that can convey the emotion states of humans and start to attract more research attention in the fields of human behavior understanding and affective computing as an emerging topic.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zhaoqiang Xia , Hexiang Huang , Haoyu Chen , Xiaoyi Feng , Guoying Zhao

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

Speech emotion recognition (SER) systems are constrained by existing datasets that typically cover only 6-10 basic emotions, lack scale and diversity, and face ethical challenges when collecting sensitive emotional states. We introduce…

Human action recognition has been one of the most active fields of research in computer vision for last years. Two dimensional action recognition methods are facing serious challenges such as occlusion and missing the third dimension of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Mozhgan Mokari , Hoda Mohammadzade , Benyamin Ghojogh

Facial expression recognition (FER) algorithms work well in constrained environments with little or no occlusion of the face. However, real-world face occlusion is prevalent, most notably with the need to use a face mask in the current…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Sridhar Sola , Darshan Gera

Existing multimodal-based human action recognition approaches are computationally intensive, limiting their deployment in real-time applications. In this work, we present a novel and efficient pose-driven attention-guided multimodal network…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Ahmed Abdelkawy , Asem Ali , Aly Farag

In this work, we propose Knowledge Integration Networks (referred as KINet) for video action recognition. KINet is capable of aggregating meaningful context features which are of great importance to identifying an action, such as human…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Shiwen Zhang , Sheng Guo , Limin Wang , Weilin Huang , Matthew R. Scott

The increasing variety and quantity of tagged multimedia content on a variety of online platforms offer a unique opportunity to advance the field of human action recognition. In this study, we utilize 283,582 unique, unlabeled TikTok video…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Yang Qian , Yinan Sun , Ali Kargarandehkordi , Parnian Azizian , Onur Cezmi Mutlu , Saimourya Surabhi , Pingyi Chen , Zain Jabbar , Dennis Paul Wall , Peter Washington

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 (MEs) are brief, subtle facial expressions that reveal concealed emotions, offering key behavioral cues for social interaction. Characterized by short duration, low intensity, and spontaneity, MEs have been mostly studied…

Human-Computer Interaction · Computer Science 2024-09-04 Jingting Li , Shaoyuan Lu , Yan Wang , Zizhao Dong , Su-Jing Wang , Xiaolan Fu

Consumers often react expressively to products such as food samples, perfume, jewelry, sunglasses, and clothing accessories. This research discusses a multimodal affect recognition system developed to classify whether a consumer likes or…

Human-Computer Interaction · Computer Science 2017-05-09 Amol S Patwardhan , Gerald M Knapp

Micro-Action Recognition (MAR) aims to classify subtle human actions in video. However, annotating MAR datasets is particularly challenging due to the subtlety of actions. To this end, we introduce the setting of Semi-Supervised MAR…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Yan Zhang , Lechao Cheng , Yaxiong Wang , Zhun Zhong , Meng Wang

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