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Related papers: A fall alert system with prior-fall activity ident…

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When we say a person is texting, can you tell the person is walking or sitting? Emphatically, no. In order to solve this incomplete representation problem, this paper presents a sub-action descriptor for detailed action detection. The…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Cheng-Bin Jin , Shengzhe Li , Hakil Kim

Detecting falls among the elderly and alerting their community responders can save countless lives. We design and develop a low-cost mobile robot that periodically searches the house for the person being monitored and sends an email to a…

Robotics · Computer Science 2024-08-13 Shihab Uddin Ahamad , Masoud Ataei , Vijay Devabhaktuni , Vikas Dhiman

Infants' spontaneous and voluntary movements mirror developmental integrity of brain networks since they require coordinated activation of multiple sites in the central nervous system. Accordingly, early detection of infants with atypical…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Manu Airaksinen , Okko Räsänen , Elina Ilén , Taru Häyrinen , Anna Kivi , Viviana Marchi , Anastasia Gallen , Sonja Blom , Anni Varhe , Nico Kaartinen , Leena Haataja , Sampsa Vanhatalo

This paper deals with the problem of detecting fallen people lying on the floor by means of a mobile robot equipped with a 3D depth sensor. In the proposed algorithm, inspired by semantic segmentation techniques, the 3D scene is…

Robotics · Computer Science 2019-04-09 Morris Antonello , Marco Carraro , Marco Pierobon , Emanuele Menegatti

Running offers substantial health benefits, but improper gait patterns can lead to injuries, particularly without expert feedback. While prior gait analysis systems based on cameras, insoles, or body-mounted sensors have demonstrated…

Signal Processing · Electrical Eng. & Systems 2026-04-22 Tianheng Ling , Chao Qian , Peter Zdankin , Torben Weis , Gregor Schiele

Freezing of gait (FOG) is one of the most incapacitating symptoms in Parkinsons disease, affecting more than 50 percent of patients in advanced stages of the disease. The presence of FOG may lead to falls and a loss of independence with a…

Human physical motion activity identification has many potential applications in various fields, such as medical diagnosis, military sensing, sports analysis, and human-computer security interaction. With the recent advances in smartphones…

Human-Computer Interaction · Computer Science 2022-01-24 Abdulrahman Alruban , Hind Alobaidi , Nathan Clarke' Fudong Li

Gait disabilities are among the most frequent worldwide. Their treatment relies on rehabilitation therapies, in which smart walkers are being introduced to empower the user's recovery and autonomy, while reducing the clinicians effort. For…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Carolina Gonçalves , João M. Lopes , Sara Moccia , Daniele Berardini , Lucia Migliorelli , Cristina P. Santos

Accurate diagnosis of gait impairments is often hindered by subjective or costly assessment methods, with current solutions requiring either expensive multi-camera equipment or relying on subjective clinical observation. There is a critical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Lauhitya Reddy , Ketan Anand , Shoibolina Kaushik , Corey Rodrigo , J. Lucas McKay , Trisha M. Kesar , Hyeokhyen Kwon

Estimating a person's age from their gait has important applications in healthcare, security and human-computer interaction. In this work, we review fifty-nine studies involving over seventy-five thousand subjects recorded with video,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Varun Velankar

Gait abnormality detection is critical for the early discovery and progressive tracking of musculoskeletal and neurological disorders, such as Parkinson's and Cerebral Palsy. Especially, analyzing the foot-floor contacts during walking…

Signal Processing · Electrical Eng. & Systems 2024-08-07 Yiwen Dong , Yuyan Wu , Hae Young Noh

This paper introduces Gate-Shift-Pose, an enhanced version of Gate-Shift-Fuse networks, designed for athlete fall classification in figure skating by integrating skeleton pose data alongside RGB frames. We evaluate two fusion strategies:…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Edoardo Bianchi , Oswald Lanz

This paper extends a previously proposed fall prediction algorithm to a real-time (online) setting, with implementations in both hardware and simulation. The system is validated on the full-sized bipedal robot Digit, where the real-time…

Robotics · Computer Science 2026-01-06 Gokul Prabhakaran , Jessy W. Grizzle , M. Eva Mungai

As a unique biometric feature that can be recognized at a distance, gait has broad applications in crime prevention, forensic identification and social security. To portray a gait, existing gait recognition methods utilize either a gait…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Hanqing Chao , Yiwei He , Junping Zhang , Jianfeng Feng

Human Activity Recognition (HAR) is one of the fundamental building blocks of human assistive devices like orthoses and exoskeletons. There are different approaches to HAR depending on the application. Numerous studies have been focused on…

Human-Computer Interaction · Computer Science 2024-03-08 Farhad Nazari , Darius Nahavandi , Navid Mohajer , Abbas Khosravi

Gait recognition is the characterization of unique biometric patterns associated with each individual which can be utilized to identify a person without direct contact. A public gait database with a relatively large number of subjects can…

Many kinds of lower-limb exoskeletons were developed for walking assistance. However, when controlling these exoskeletons, time-delay due to the computation time and the communication delays is still a general problem. In this research, we…

Robotics · Computer Science 2020-08-07 Ming Ding , Mikihisa Nagashima , Sung-Gwi Cho , Jun Takamatsu , Tsukasa Ogasawara

Human Activity Recognition (HAR) is a crucial technology for many applications such as smart homes, surveillance, human assistance and health care. This technology utilises pattern recognition and can contribute to the development of…

Human-Computer Interaction · Computer Science 2022-06-10 Farhad Nazari , Darius Nahavandi , Navid Mohajer , Abbas Khosravi

Cohort studies are increasingly using accelerometers for physical activity and sedentary behavior estimation. These devices tend to be less error-prone than self-report, can capture activity throughout the day, and are economical. However,…

Lower limb exoskeletons and prostheses require precise, real time gait phase and step detections to ensure synchronized motion and user safety. Conventional methods often rely on complex force sensing hardware that introduces control…

Robotics · Computer Science 2026-01-19 Anis R. Shakkour , David Hexner , Yehuda Bitton , Avishai Sintov