English
Related papers

Related papers: RAGent: Physics-Aware Agentic Reasoning for Traini…

200 papers

Continuous detection of human activities and presence is essential for developing a pervasive interactive smart space. Existing literature lacks robust wireless sensing mechanisms capable of continuously monitoring multiple users'…

Human-Computer Interaction · Computer Science 2023-09-22 Argha Sen , Anirban Das , Swadhin Pradhan , Sandip Chakraborty

We propose two well-motivated ranking-based methods to enhance the performance of current state-of-the-art human activity recognition systems. First, as an improvement over the classic power normalization method, we propose a parameter-free…

Computer Vision and Pattern Recognition · Computer Science 2015-12-14 Zhenzhong Lan , Shoou-I Yu , Alexander G. Hauptmann

We consider human activity recognition (HAR) from wearable sensor data in manual-work processes, like warehouse order-picking. Such structured domains can often be partitioned into distinct process steps, e.g., packaging or transporting.…

Signal Processing · Electrical Eng. & Systems 2021-11-09 Stefan Lüdtke , Fernando Moya Rueda , Waqas Ahmed , Gernot A. Fink , Thomas Kirste

Human activity recognition (HAR) using radio frequency (RF) signals has garnered considerable attention for its applications in smart environments. However, traditional systems often struggle with limited independent channels between…

Signal Processing · Electrical Eng. & Systems 2024-10-04 Junshuo Liu , Yunlong Huang , Xin Shi , Rujing Xiong , Jianan Zhang , Tiebin Mi , Robert C. Qiu

WiFi Channel State Information (CSI)-based human activity recognition (HAR) provides a privacy-preserving, device-free sensing solution for smart environments. However, its deployment on edge devices is severely constrained by domain shift,…

Machine Learning · Computer Science 2025-10-31 Kexing Liu

Millimeter-Wave (mmWave) radar enables camera-free gesture recognition for Internet of Things (IoT) interfaces, with robustness to lighting variations and partial occlusions. However, recent studies reveal that its data can inadvertently…

Human-Computer Interaction · Computer Science 2026-02-10 Ying Liu , Si Zuo , Chao Yang , Yuqing Song , Dariush Salami , Stephan Sigg

Human Activity Recognition (HAR) describes the machines ability to recognize human actions. Nowadays, most people on earth are health conscious, so people are more interested in tracking their daily activities using Smartphones or Smart…

Machine Learning · Computer Science 2022-05-23 Sanku Satya Uday , Satti Thanuja Pavani , T. Jaya Lakshmi , Rohit Chivukula

One of the primary challenges in the field of human activity recognition (HAR) is the lack of large labeled datasets. This hinders the development of robust and generalizable models. Recently, cross modality transfer approaches have been…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Zikang Leng , Amitrajit Bhattacharjee , Hrudhai Rajasekhar , Lizhe Zhang , Elizabeth Bruda , Hyeokhyen Kwon , Thomas Plötz

Unobtrusive and smart recognition of human activities using smartphones inertial sensors is an interesting topic in the field of artificial intelligence acquired tremendous popularity among researchers, especially in recent years. A…

Machine Learning · Computer Science 2021-09-21 Meysam Vakili , Masoumeh Rezaei

Applying Reinforcement Learning (RL) to Restless Multi-Arm Bandits (RMABs) offers a promising avenue for addressing allocation problems with resource constraints and temporal dynamics. However, classic RMAB models largely overlook the…

Machine Learning · Computer Science 2025-03-20 Yunfan Zhao , Tonghan Wang , Dheeraj Nagaraj , Aparna Taneja , Milind Tambe

Achieving accurate human identification through RF imaging has been a persistent challenge, primarily attributed to the limited aperture size and its consequent impact on imaging resolution. The existing imaging solution enables tasks such…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Sakila S. Jayaweera , Sai Deepika Regani , Yuqian Hu , Beibei Wang , K. J. Ray Liu

Human activity recognition (HAR) using wearable sensors has advanced through various machine learning paradigms, each with inherent trade-offs between performance and labeling requirements. While fully supervised techniques achieve high…

Machine Learning · Computer Science 2025-12-24 Taoran Sheng , Manfred Huber

End-to-end imitation learning offers a promising approach for training robot policies. However, generalizing to new settings remains a significant challenge. Although large-scale robot demonstration datasets have shown potential for…

Robotics · Computer Science 2025-02-12 Jaden Clark , Suvir Mirchandani , Dorsa Sadigh , Suneel Belkhale

Distributed radar sensors enable robust human activity recognition. However, scaling the number of coordinated nodes introduces challenges in feature extraction from large datasets, and transparent data fusion. We propose an end-to-end…

Signal Processing · Electrical Eng. & Systems 2026-01-07 Mina Shahbazifar , Zolfa Zeinalpour-Yazdi , Matthias Hollick , Arash Asadi , Vahid Jamali

Deep learning methods are successfully used in applications pertaining to ubiquitous computing, health, and well-being. Specifically, the area of human activity recognition (HAR) is primarily transformed by the convolutional and recurrent…

Machine Learning · Computer Science 2019-07-30 Aaqib Saeed , Tanir Ozcelebi , Johan Lukkien

Human activity recognition (HAR) by wearable sensor devices embedded in the Internet of things (IOT) can play a significant role in remote health monitoring and emergency notification, to provide healthcare of higher standards. The purpose…

Machine Learning · Computer Science 2022-01-24 M. Abid , A. Khabou , Y. Ouakrim , H. Watel , S. Chemkhi , A. Mitiche , A. Benazza-Benyahia , N. Mezghani

Human activity recognition (HAR) holds significant importance in smart homes, security, and healthcare. Existing systems face limitations because of the insufficient spatial diversity provided by a limited number of antennas. Furthermore,…

Systems and Control · Electrical Eng. & Systems 2024-10-04 Junshuo Liu , Yunlong Huang , Wei Yang , Zhe Li , Rujing Xiong , Tiebin Mi , Xin Shi , Robert C. Qiu

Anatomical movements of the human body can change the channel state information (CSI) of wireless signals in an indoor environment. These changes in the CSI signals can be used for human activity recognition (HAR), which is a predominant…

Human-Computer Interaction · Computer Science 2022-05-04 Hojjat Salehinejad , Shahrokh Valaee

Reinforcement learning (RL) has emerged as a powerful paradigm for achieving online agile navigation with quadrotors. Despite this success, policies trained via standard RL typically fail to generalize across significant dynamic variations,…

Robotics · Computer Science 2026-03-12 Jin Zhou , Dongcheng Cao , Xian Wang , Shuo Li

Millimeter-wave (mmWave) radars have found applications in a wide range of domains, including human tracking, health monitoring, and autonomous driving, for their unobtrusive nature and high range accuracy. These capabilities, however, if…

Signal Processing · Electrical Eng. & Systems 2023-05-09 Yanlong Qiu , Jiaxi Zhang , Yanjiao Chen , Jin Zhang , Bo Ji