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Related papers: Falls as anomalies? An experimental evaluation usi…

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In this paper we propose mmFall - a novel fall detection system, which comprises of (i) the emerging millimeter-wave (mmWave) radar sensor to collect the human body's point cloud along with the body centroid, and (ii) a variational…

Machine Learning · Computer Science 2020-07-29 Feng Jin , Arindam Sengupta , Siyang Cao

Anomalies represent deviations from the intended system operation and can lead to decreased efficiency as well as partial or complete system failure. As the causes of anomalies are often unknown due to complex system dynamics, efficient…

Machine Learning · Computer Science 2021-08-31 Benjamin Lindemann , Benjamin Maschler , Nada Sahlab , Michael Weyrich

Smartphones equipped with sensors such as accelerometers, gyroscopes, and magnetometers offer valuable opportunities for physics education, allowing students to measure motion using their own devices. However, commonly used applications…

Physics Education · Physics 2026-03-06 Keita Nishioka , Yasuhiro Tanaka

Smartphones have become quite pervasive in various aspects of our daily lives. They have become important links to a host of important data and applications, which if compromised, can lead to disastrous results. Due to this, today's…

Signal Processing · Electrical Eng. & Systems 2017-11-15 Thingom Bishal Singha , Rajsekhar Kumar Nath , A. V. Narsimhadhan

Video anomaly detection is a challenging task due to the lack in approaches for representing samples. The visual representations of most existing approaches are limited by short-term sequences of observations which cannot provide enough…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Yalong Jiang , Changkang Li

In this chapter we consider a cell phone network as a set of automatically deployed sensors that records movement and interaction patterns of the population. We discuss methods for detecting anomalies in the streaming data produced by the…

Data Analysis, Statistics and Probability · Physics 2013-03-27 Alec Pawling , Ping Yan , Julián Candia , Tim Schoenharl , Greg Madey

Detecting impact where an individual makes contact with the ground within a fall event is crucial in fall detection systems, particularly for elderly care where prompt intervention can prevent serious injuries. The UP-Fall dataset, a key…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Tresor Y. Koffi , Youssef Mourchid , Mohammed Hindawi , Yohan Dupuis

In this article we propose the use of accelerometer embedded by default in smartphone as a cost-effective, reliable and efficient way to provide remote physical activity monitoring for the elderly and people requiring healthcare service.…

Human-Computer Interaction · Computer Science 2013-11-06 Hamed Ketabdar , Jalaluddin Qureshi , Pan Hui

Abnormal gait, its associated falls and complications have high patient morbidity, mortality. Computer vision detects, predicts patient gait abnormalities, assesses fall risk and serves as clinical decision support tool for physicians. This…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Jasmin Hundall , Benson A. Babu

Anomaly detection has a wide range of real-world applications, such as bank fraud detection and cyber intrusion detection. In the past decade, a variety of anomaly detection models have been developed, which lead to big progress towards…

Machine Learning · Computer Science 2022-02-17 Shuhan Yuan , Xintao Wu

Falls are one of the leading cause of injury-related deaths among the elderly worldwide. Effective detection of falls can reduce the risk of complications and injuries. Fall detection can be performed using wearable devices or ambient…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Stefan Denkovski , Shehroz S. Khan , Brandon Malamis , Sae Young Moon , Bing Ye , Alex Mihailidis

Walking speed estimation is an essential component of mobile apps in various fields such as fitness, transportation, navigation, and health-care. Most existing solutions are focused on specialized medical applications that utilize body-worn…

Computers and Society · Computer Science 2019-03-07 Aawesh Shrestha , Myounggyu Won

Detecting and preventing falls in humans is a critical component of assistive robotic systems. While significant progress has been made in detecting falls, the prediction of falls before they happen, and analysis of the transient state…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Younggeol Cho , Gokhan Solak , Olivia Nocentini , Marta Lorenzini , Andrea Fortuna , Arash Ajoudani

Smartphones have ubiquitously integrated into our home and work environments, however, users normally rely on explicit but inefficient identification processes in a controlled environment. Therefore, when a device is stolen, a thief can…

Cryptography and Security · Computer Science 2020-09-25 Muhammad Ahmad , Ali Kashif Bashir , Adil Mehmood Khan , Manuel Mazzara , Salvatore Distefano , Shahzad Sarfraz

Military personnel and security agents often face significant physical risks during conflict and engagement situations, particularly in urban operations. Ensuring the rapid and accurate communication of incidents involving injuries is…

The increasing global aging population has intensified the demand for reliable health monitoring systems, particularly those capable of detecting critical events such as falls among elderly individuals. Traditional fall detection approaches…

Machine Learning · Computer Science 2026-03-25 Lijie Zhou , Luran Wang

Older people are susceptible to fall due to instability in posture and deteriorating health. Immediate access to medical support can greatly reduce repercussions. Hence, there is an increasing interest in automated fall detection, often…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Sania Zahan , Ghulam Mubashar Hassan , Ajmal Mian

Smartphones and wearable devices are fast growing technologies that, in conjunction with advances in wireless sensor hardware, are enabling ubiquitous sensing applications. Wearables are suitable for indoor and outdoor scenarios, can be…

Signal Processing · Electrical Eng. & Systems 2019-11-21 Riccardo Bonetto , Mattia Soldan , Alberto Lanaro , Simone Milani , Michele Rossi

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

Modern smartphones contain motion sensors, such as accelerometers and gyroscopes. These sensors have many useful applications; however, they can also be used to uniquely identify a phone by measuring anomalies in the signals, which are a…

Cryptography and Security · Computer Science 2015-03-09 Anupam Das , Nikita Borisov , Matthew Caesar