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Developing a general-purpose wearable real-time fall-detection system is still a challenging task, especially for healthy and strong subjects, such as industrial workers that work in harsh environments. In this work, we present a hybrid…

信号处理 · 电气工程与系统科学 2025-06-02 Nicholas Cartocci , Antonios E. Gkikakis , Darwin G. Caldwell , Jesús Ortiz

Anomaly detection deals with detecting deviations from established patterns within data. It has various applications like autonomous driving, predictive maintenance, and medical diagnosis. To improve anomaly detection accuracy, transfer…

计算机视觉与模式识别 · 计算机科学 2024-06-19 Siddhant Shete , Dennis Mronga , Ankita Jadhav , Frank Kirchner

In recent years, advances in Artificial Intelligence have significantly impacted computer science, particularly in the field of computer vision, enabling solutions to complex problems such as video frame prediction. Video frame prediction…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Jose M. Sánchez Velázquez , Mingbo Cai , Andrew Coney , Álvaro J. García- Tejedor , Alberto Nogales

Devices and sensors for identification of fallers can be used to implement actions to prevent falls and to allow the elderly to live an independent life while reducing the long-term care costs. In this study we aimed to investigate the…

计算机与社会 · 计算机科学 2017-04-13 Moacir Ponti , Patricia Bet , Caroline Oliveira , Paula C. Castro

This study proposes an anomaly detection method based on the Transformer architecture with integrated multiscale feature perception, aiming to address the limitations of temporal modeling and scale-aware feature representation in cloud…

机器学习 · 计算机科学 2025-08-26 Lian Lian , Yilin Li , Song Han , Renzi Meng , Sibo Wang , Ming Wang

Ensuring the safety and well-being of elderly and vulnerable populations in assisted living environments is a critical concern. Computer vision presents an innovative and powerful approach to predicting health risks through video…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yixuan Wang , Paul Stynes , Pramod Pathak , Cristina Muntean

Most advanced unsupervised anomaly detection (UAD) methods rely on modeling feature representations of frozen encoder networks pre-trained on large-scale datasets, e.g. ImageNet. However, the features extracted from the encoders that are…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Jia Guo , Shuai Lu , Lize Jia , Weihang Zhang , Huiqi Li

As the global population ages, the number of fall-related incidents is on the rise. Effective fall detection systems, specifically in healthcare sector, are crucial to mitigate the risks associated with such events. This study evaluates the…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Aleksander Nagaj , Zenjie Li , Dim P. Papadopoulos , Kamal Nasrollahi

Recently, large-scale pre-trained vision-language models (e.g., CLIP), have garnered significant attention thanks to their powerful representative capabilities. This inspires researchers in transferring the knowledge from these large…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Bin Wang , Wentong Li , Wenqian Wang , Mingliang Gao , Runmin Cong , Wei Zhang

A significant challenge in the field of object detection lies in the system's performance under non-ideal imaging conditions, such as rain, fog, low illumination, or raw Bayer images that lack ISP processing. Our study introduces "Feature…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Chuheng Wei , Guoyuan Wu , Matthew J. Barth

Falls are one of the important causes of accidental or unintentional injury death worldwide. Therefore, this paper presents a reliable fall detection algorithm and a mobile cloud collaboration system for fall detection. The algorithm is an…

信号处理 · 电气工程与系统科学 2019-07-11 Tong Wu , Yang Gu , Yiqiang Chen , Yunlong Xiao , Jiwei Wang

Oftentimes in practice, the observed process changes statistical properties at an unknown point in time and the duration of a change is substantially finite, in which case one says that the change is intermittent or transient. We provide an…

应用统计 · 统计学 2023-04-11 Grigory Sokolov , Valentin S. Spivak , Alexander G. Tartakovsky

Personalized fall detection system is shown to provide added and more benefits compare to the current fall detection system. The personalized model can also be applied to anything where one class of data is hard to gather. The results show…

机器学习 · 计算机科学 2020-12-22 Pranesh Vallabh , Nazanin Malekian , Reza Malekian , Ting-Mei Li

Cyberattacks on critical infrastructure, particularly water distribution systems, have increased due to rapid digitalization and the integration of IoT devices and industrial control systems (ICS). These cyber-physical systems (CPS)…

密码学与安全 · 计算机科学 2025-09-22 Michael Somma

Anomaly detection is an important task for complex systems (e.g., industrial facilities, manufacturing, large-scale science experiments), where failures in a sub-system can lead to low yield, faulty products, or even damage to components.…

机器学习 · 计算机科学 2023-09-06 Ryan Humble , Zhe Zhang , Finn O'Shea , Eric Darve , Daniel Ratner

Deep learning models have been widely used for anomaly detection in surveillance videos. Typical models are equipped with the capability to reconstruct normal videos and evaluate the reconstruction errors on anomalous videos to indicate the…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Xianlin Zeng , Yalong Jiang , Wenrui Ding , Hongguang Li , Yafeng Hao , Zifeng Qiu

Deep anomaly detection methods learn representations that separate between normal and anomalous images. Although self-supervised representation learning is commonly used, small dataset sizes limit its effectiveness. It was previously shown…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Tal Reiss , Yedid Hoshen

Accurately predicting future pedestrian trajectories is crucial across various domains. Due to the uncertainty in future pedestrian trajectories, it is important to learn complex spatio-temporal representations in multi-agent scenarios. To…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Pranav Singh Chib , Pravendra Singh

In our digital universe nowadays, enormous amount of data are produced in a streaming manner in a variety of application areas. These data are often unlabelled. In this case, identifying infrequent events, such as anomalies, poses a great…

机器学习 · 计算机科学 2023-09-07 Jin Li , Kleanthis Malialis , Marios M. Polycarpou

Object slip perception is essential for mobile manipulation robots to perform manipulation tasks reliably in the dynamic real-world. Traditional approaches to robot arms' slip perception use tactile or vision sensors. However, mobile robots…

机器人学 · 计算机科学 2024-03-07 Youngjae Yoo , Chung-Yeon Lee , Byoung-Tak Zhang