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Related papers: Spatio-Temporal Analysis of Facial Actions using L…

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Given that approximately half of science, technology, engineering, and mathematics (STEM) undergraduate students in U.S. colleges and universities leave by the end of the first year [15], it is crucial to improve the quality of classroom…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Shrouk Wally , Ahmed Elsayed , Islam Alkabbany , Asem Ali , Aly Farag

Facial action unit recognition is an important task for facial analysis. Owing to the complex collection environment, facial action unit recognition in the wild is still challenging. The 3rd competition on affective behavior analysis…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Shangfei Wang , Yanan Chang , Jiahe Wang

People naturally understand emotions, thus permitting a machine to do the same could open new paths for human-computer interaction. Facial expressions can be very useful for emotion recognition techniques, as these are the biggest…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Pietro B. S. Masur , Willams Costa , Lucas S. Figueredo , Veronica Teichrieb

Facial Action Unit (AU) detection in in-the-wild environments remains a formidable challenge due to severe spatial-temporal heterogeneity, unconstrained poses, and complex audio-visual dependencies. While recent multimodal approaches have…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Jun Yu , Yunxiang Zhang , Naixiang Zheng , Lingsi Zhu , Guoyuan Wang

In this paper, we develop a novel mobility-aware transformer-driven tiered structure (MASSFormer) based cooperative spectrum sensing method that effectively models the spatio-temporal dynamics of user movements. Unlike existing methods, our…

Information Theory · Computer Science 2024-09-27 Dimpal Janu , Sandeep Mandia , Kuldeep Singh , Sandeep Kumar

Biologically inspired features, such as Gabor filters, result in very high dimensional measurement. Does reducing the dimensionality of the feature space afford advantages beyond computational efficiency? Do some approaches to…

Computer Vision and Pattern Recognition · Computer Science 2016-03-29 Zhuo Hui , Wen-Sheng Chu

Recognizing human actions based on videos has became one of the most popular areas of research in computer vision in recent years. This area has many applications such as surveillance, robotics, health care, video search and human-computer…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Aytekin Nebisoy , Saber Malekzadeh

Machine learning models automatically learn discriminative features from the data, and are therefore susceptible to learn strongly-correlated biases, such as using protected attributes like gender and race. Most existing bias mitigation…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Varsha Suresh , Desmond C. Ong

Pain is a common occurrence among patients admitted to Intensive Care Units. Pain assessment in ICU patients still remains a challenge for clinicians and ICU staff, specifically in cases of non-verbal sedated, mechanically ventilated, and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Subhash Nerella , Kia Khezeli , Andrea Davidson , Patrick Tighe , Azra Bihorac , Parisa Rashidi

Human doing actions will result in WiFi distortion, which is widely explored for action recognition, such as the elderly fallen detection, hand sign language recognition, and keystroke estimation. As our best survey, past work recognizes…

Signal Processing · Electrical Eng. & Systems 2019-04-29 Fei Wang , Yunpeng Song , Jimuyang Zhang , Jinsong Han , Dong Huang

Facial action unit (AU) recognition is a crucial task for facial expressions analysis and has attracted extensive attention in the field of artificial intelligence and computer vision. Existing works have either focused on designing or…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Guanbin Li , Xin Zhu , Yirui Zeng , Qing Wang , Liang Lin

Facial expression synthesis or editing has recently received increasing attention in the field of affective computing and facial expression modeling. However, most existing facial expression synthesis works are limited in paired training…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Zhilei Liu , Diyi Liu , Yunpeng Wu

Temporal context is key to the recognition of expressions of emotion. Existing methods, that rely on recurrent or self-attention models to enforce temporal consistency, work on the feature level, ignoring the task-specific temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Enrique Sanchez , Mani Kumar Tellamekala , Michel Valstar , Georgios Tzimiropoulos

Multi-modal learning has been intensified in recent years, especially for applications in facial analysis and action unit detection whilst there still exist two main challenges in terms of 1) relevant feature learning for representation and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Xiang Zhang , Lijun Yin

With the continuous research on Deepfake forensics, recent studies have attempted to provide the fine-grained localization of forgeries, in addition to the coarse classification at the video-level. However, the detection and localization…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Wu Haiwei , Zhou Jiantao , Zhang Shile , Tian Jinyu

There is significant progress in recognizing traditional human activities from videos focusing on highly distinctive actions involving discriminative body movements, body-object and/or human-human interactions. Driver's activities are…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Zachary Wharton , Ardhendu Behera , Yonghuai Liu , Nik Bessis

Slow Feature Analysis (SFA) extracts slowly varying features from a quickly varying input signal. It has been successfully applied to modeling the visual receptive fields of the cortical neurons. Sufficient experimental results in…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Zhang Zhang , Dacheng Tao

Human affective behavior analysis aims to delve into human expressions and behaviors to deepen our understanding of human emotions. Basic expression categories (EXPR) and Action Units (AUs) are two essential components in this analysis,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Li Lin , Sarah Papabathini , Xin Wang , Shu Hu

Current diffusion-based face animation methods generally adopt a ReferenceNet (a copy of U-Net) and a large amount of curated self-acquired data to learn appearance features, as robust appearance features are vital for ensuring temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Yue Han , Junwei Zhu , Yuxiang Feng , Xiaozhong Ji , Keke He , Xiangtai Li , zhucun xue , Yong Liu

Previous methods for dynamic facial expression in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. To solve this problem, we propose the spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Fuyan Ma , Bin Sun , Shutao Li