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Driver drowsiness increases crash risk, leading to substantial road trauma each year. Drowsiness detection methods have received considerable attention, but few studies have investigated the implementation of a detection approach on a…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Jasper S. Wijnands , Jason Thompson , Kerry A. Nice , Gideon D. P. A. Aschwanden , Mark Stevenson

While benefiting people's daily life in so many ways, smartphones and their location-based services are generating massive mobile device location data that has great potential to help us understand travel demand patterns and make…

机器学习 · 计算机科学 2020-12-10 Chenfeng Xiong , Aref Darzi , Yixuan Pan , Sepehr Ghader , Lei Zhang

Crowdsourcing mobile user's network performance has become an effective way of understanding and improving mobile network performance and user quality-of-experience. However, the current measurement method is still based on the landline…

网络与互联网体系结构 · 计算机科学 2017-06-07 Daoyuan Wu , Rocky K. C. Chang , Weichao Li , Eric K. T. Cheng , Debin Gao

This paper investigates a new application of vehicular sensing: detecting and reporting the slippery road conditions. We describe a system and associated algorithm to monitor vehicle skidding events using smartphones and OBD-II (On board…

系统与控制 · 计算机科学 2017-05-12 Yunfei Hou , Abhishek Gupta , Tong Guan , Shaohan Hu , Lu Su , Chunming Qiao

Cellular networks are not merely data access networks to the Internet. Their distinct services and ability to form large complex compounds for roaming purposes make them an attractive research target in their own right. Their promise of…

网络与互联网体系结构 · 计算机科学 2024-03-14 Gabriel Karl Gegenhuber , Wilfried Mayer , Edgar Weippl , Adrian Dabrowski

In an organization, individuals prefer to form various formal and informal groups for mutual interactions. Therefore, ubiquitous identification of such groups and understanding their dynamics are important to monitor activities, behaviours…

社会与信息网络 · 计算机科学 2022-04-19 Snigdha Das , Soumyajit Chatterjee , Sandip Chakraborty , Bivas Mitra

Cooperative Intelligent Transport Systems (C-ITS) make road traffic safer and more efficient, but require the mobile networks to handle time-critical applications. While some applications may need new dedicated communications technologies…

网络与互联网体系结构 · 计算机科学 2018-05-18 Fehmi Ben Abdesslem , Henrik Abrahamsson , Bengt Ahlgren

Advances in Micro-Electro-Mechanical Systems (MEMS) have revolutionized the digital age to a point where animate and inanimate objects can be used as a communication channel. In addition, the ubiquity of mobile phones with increasing…

网络与互联网体系结构 · 计算机科学 2012-10-04 Zhenxin Feng , Kwan-Wu Chin

Macroscopic diversity in radiomobile systems is a technique in which the terminal is in parallel connection with two base stations. It is a fundamental element in the operation of third generation mobile networks using CDMA. (IS 95, UMTS,…

信号处理 · 电气工程与系统科学 2023-12-27 Karim Zayana , Daniel Duponteil

The popularity and diffusion of wearable devices provides new opportunities for sensor-based human activity recognition that leverages deep learning-based algorithms. Although impressive advances have been made, two major challenges remain.…

信号处理 · 电气工程与系统科学 2024-02-16 Mengna Liu , Dong Xiang , Xu Cheng , Xiufeng Liu , Dalin Zhang , Shengyong Chen , Christian S. Jensen

In Wireless Networked Control Systems (WNCSs), the feedback control loops are closed over a wireless communication network. The proliferation of WNCSs requires efficient network resource management mechanisms since the control performance…

系统与控制 · 电气工程与系统科学 2024-01-29 Polina Kutsevol , Onur Ayan , Nikolaos Pappas , Wolfgang Kellerer

Missing modalities remain a major challenge for multimodal sensing, because most existing methods adapt the fusion process to the observed subset by dropping absent branches, using subset-specific fusion, or reconstructing missing features.…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Hao Wang , Yanyu Qian , Pengcheng Weng , Zixuan Xia , William Dan , Yangxin Xu , Fei Wang

While various sensors have been deployed to monitor vehicular flows, sensing pedestrian movement is still nascent. Yet walking is a significant mode of travel in many cities, especially those in Europe, Africa, and Asia. Understanding…

音频与语音处理 · 电气工程与系统科学 2025-08-11 Chaeyeon Han , Pavan Seshadri , Yiwei Ding , Noah Posner , Bon Woo Koo , Animesh Agrawal , Alexander Lerch , Subhrajit Guhathakurta

Upcoming Intelligent Traffic Control Systems (ITSCs) will base their optimization processes on crowdsensing data obtained for cars that are used as mobile sensor nodes. In conclusion, public cellular networks will be confronted with massive…

网络与互联网体系结构 · 计算机科学 2018-04-17 Benjamin Sliwa , Thomas Liebig , Robert Falkenberg , Johannes Pillmann , Christian Wietfeld

Collecting real-world mobility data is challenging. It is often fraught with privacy concerns, logistical difficulties, and inherent biases. Moreover, accurately annotating anomalies in large-scale data is nearly impossible, as it demands…

This article introduces the architecture of a Long-Short-Term Memory network for classifying transportation-modes via Smartphone data and evaluates its accuracy. By using a Long-Short-Term-Memory Network with common preprocessing steps such…

机器学习 · 计算机科学 2019-10-11 Björn Friedrich , Benjamin Cauchy , Andreas Hein , Sebastian Fudickar

The first measured results for massive multiple-input, multiple-output (MIMO) performance in a line-of-sight (LOS) scenario with moderate mobility are presented, with 8 users served by a 100 antenna base Station (BS) at 3.7 GHz. When such a…

The emergence of digital technologies such as smartphones in healthcare applications have demonstrated the possibility of developing rich, continuous, and objective measures of multiple sclerosis (MS) disability that can be administered…

机器学习 · 计算机科学 2021-06-23 Andrew P. Creagh , Florian Lipsmeier , Michael Lindemann , Maarten De Vos

Robot navigation in unstructured environments requires multimodal perception systems that can support safe navigation. Multimodality enables the integration of complementary information collected by different sensors. However, this…

Understanding and predicting real-time vehicle mobility patterns on highways are essential to address traffic congestion and respond to the emergency. However, almost all existing works (e.g., based on cellphones, onboard devices, or…

网络与互联网体系结构 · 计算机科学 2018-12-20 Yu Yang , Xiaoyang Xie , Zhihan Fang , Fan Zhang , Yang Wang , Desheng Zhang