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Related papers: Active Inference for Micro-Gesture Recognition: EF…

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Gesture recognition using low-resolution instantaneous HD-sEMG images opens up new avenues for the development of more fluid and natural muscle-computer interfaces. However, the data variability between inter-session and inter-subject…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Md. Rabiul Islam , Daniel Massicotte , Philippe Y. Massicotte , Wei-Ping Zhu

In the recent past, psychological stress has been increasingly observed in humans, and early detection is crucial to prevent health risks. Stress detection using on-device deep learning algorithms has been on the rise owing to advancements…

Machine Learning · Computer Science 2020-12-07 Abhijith Ragav , Gautham Krishna Gudur

Electroencephalography (EEG) is a vital tool to measure and record brain activity in neuroscience and clinical applications, yet its potential is constrained by signal heterogeneity, low signal-to-noise ratios, and limited labeled datasets.…

Machine Learning · Computer Science 2024-09-20 Enze Shi , Kui Zhao , Qilong Yuan , Jiaqi Wang , Huawen Hu , Sigang Yu , Shu Zhang

Obtaining high certainty in predictive models is crucial for making informed and trustworthy decisions in many scientific and engineering domains. However, extensive experimentation required for model accuracy can be both costly and…

Machine Learning · Computer Science 2024-12-17 Giorgio Morales , John Sheppard

Autonomous robotic navigation in real-world environments requires exploration to acquire environmental information as well as goal-directed navigation in order to reach specified targets. Active inference (AIF) based on the free-energy…

Robotics · Computer Science 2025-10-28 Riko Yokozawa , Kentaro Fujii , Yuta Nomura , Shingo Murata

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

Electromyography (EMG) data has been extensively adopted as an intuitive interface for instructing human-robot collaboration. A major challenge of the real-time detection of human grasp intent is the identification of dynamic EMG from hand…

Robotics · Computer Science 2024-02-29 Mo Han , Mehrshad Zandigohar , Sezen Yagmur Gunay , Gunar Schirner , Deniz Erdogmus

Active inference is a mathematical framework for understanding how agents (biological or artificial) interact with their environments, enabling continual adaptation and decision-making. It combines Bayesian inference and free energy…

Artificial Intelligence · Computer Science 2024-10-02 Rithvik Prakki

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

Experimental exploration of high-cost systems with safety constraints, common in engineering applications, is a challenging endeavor. Data-driven models offer a promising solution, but acquiring the requisite data remains expensive and is…

Machine Learning · Computer Science 2025-04-17 Markus Lange-Hegermann , Christoph Zimmer

This paper focuses on detection tasks in information extraction, where positive instances are sparsely distributed and models are usually evaluated using F-measure on positive classes. These characteristics often result in deficient…

Computation and Language · Computer Science 2018-05-29 Hongyu Lin , Yaojie Lu , Xianpei Han , Le Sun

Negative emotions are linked to the onset of neurodegenerative diseases and dementia, yet they are often difficult to detect through observation. Physiological signals from wearable devices offer a promising noninvasive method for…

Human-Computer Interaction · Computer Science 2025-10-28 Muhammad Irfan , Anum Nawaz , Ayse Kosal Bulbul , Riku Klen , Abdulhamit Subasi , Tomi Westerlund , Wei Chen

Fault detection and diagnosis of electrical motors are of utmost importance in ensuring the safe and reliable operation of several industrial systems. Detection and diagnosis of faults at the incipient stage allows corrective actions to be…

Systems and Control · Electrical Eng. & Systems 2023-11-28 Sriram Anbalagan , Sai Shashank GP , Deepesh Agarwal , Balasubramaniam Natarajan , Babji Srinivasan

Emotion recognition from physiological signals remains challenging due to their non-stationary, noisy, and subject-dependent characteristics. This work presents, to the best of our knowledge, the first comprehensive application of liquid…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Anindya Bhattacharjee , Nittya Ananda Biswas , K. A. Shahriar , Adib Rahman

Labeled data can be expensive to acquire in several application domains, including medical imaging, robotics, and computer vision. To efficiently train machine learning models under such high labeling costs, active learning (AL) judiciously…

Machine Learning · Computer Science 2022-06-13 Konstantinos D. Polyzos , Qin Lu , Georgios B. Giannakis

Psychological studies have shown that Micro Gestures (MG) are closely linked to human emotions. MG-based emotion understanding has attracted much attention because it allows for emotion understanding through nonverbal body gestures without…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Deng Li , Bohao Xing , Xin Liu

Adaptive experiments automatically optimize their design throughout the data collection process, which can bring substantial benefits compared to conventional experimental settings. Potential applications include, among others: computerized…

Methodology · Statistics 2026-04-01 Lucas Gautheron , Nori Jacoby , Peter Harrison

Predicting a driver's cognitive state, or more specifically, modeling a driver's reaction time (RT) in response to the appearance of a potential hazard warrants urgent research. In the last two decades, the electric field that is generated…

Human-Computer Interaction · Computer Science 2019-05-28 Chun-Hsiang Chuang , Zehong Cao , Po-Tsang Chen , Chih-Sheng Huang , Nikhil R. Pal , Chin-Teng Lin

Research in automatic affect recognition has seldom addressed the issue of computational resource utilization. With the advent of ambient intelligence technology which employs a variety of low-power, resource-constrained devices, this issue…

Machine Learning · Computer Science 2020-06-01 Fasih Haider , Senja Pollak , Pierre Albert , Saturnino Luz

We present our solution to the MiGA Challenge at IJCAI 2025, which aims to recognize micro-gestures (MGs) from skeleton sequences for the purpose of hidden emotion understanding. MGs are characterized by their subtlety, short duration, and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Hao Xu , Lechao Cheng , Yaxiong Wang , Shengeng Tang , Zhun Zhong