Results 51 to 60 of about 50,329,501 (342)

Trajectory Reconstruction Techniques for Evaluation of ATC Systems [PDF]

, 2008
This paper is focused on trajectory reconstruction techniques for evaluating ATC systems, using real data of recorded opportunity traffic. We analyze different alternatives for this problem, from traditional interpolation approaches based on curve ...
J. Besada, Tarrío Alonso, Paula, Miguel Vela, Gonzalo de, A. Soto, Miguel Vela, Gonzalo C. de, Besada Portas, Juan Alberto, Soto Jaramillo, Andrés, J. Garcia, G. de Miguel, P. Tarrio, García-Herrero, Jesús   +10 more
core   +1 more source

Empirical Studies on Merging Characteristics in Temporary Highway Work Zones with Different Traffic States and Layouts

Algorithms
Vehicles conduct mandatory lane changes to merge into the open lanes in temporary highway work zones, and the merging characteristics have been widely studied over the past decades.
Yanli Jiao, Xiaoyue Zhu, Xinkai Ji, Long Zhang, Zhibin Li   +4 more
doaj   +1 more source

Application of GPS Trajectory Data for Investigating the Interaction between Human Activity and Landscape Pattern: A Case Study of the Lijiang River Basin, China

ISPRS International Journal of Geo-Information, 2016
The interaction between human activity and landscape pattern has been a hot research topic during the last few decades. However, scholars used to measure human activity by social, economic and humanistic indexes.
Jun Li, Yuan Zhang, Xiang Wang, Qiming Qin, Zhuangzhuang Wei, Jingze Li   +5 more
doaj   +1 more source

Automated multigravity assist trajectory planning with a modified ant colony algorithm [PDF]

, 2010
The paper presents an approach to transcribe a multigravity assist trajectory design problem into an integrated planning and scheduling problem. A modified Ant Colony Optimization (ACO) algorithm is then used to generate optimal plans corresponding to ...
Vasile, Massimiliano, Ceriotti, Matteo
core   +4 more sources

Improving Motorway Mobility and Environmental Performance via Vehicle Trajectory Data-Based Control

IEEE Access, 2020
High cost and relatively low reliability of stationary sensors hinder the wide spread of advanced motorway traffic control measures. In this research, we propose a vehicle trajectory data based variable speed limit (VSL) controller to improve mobility ...
Yifei Zhao, Shunchao Yin, Duo Li, Qian Yu, Prakash Ranjitkar   +4 more
doaj   +1 more source

Vessel Trajectory Data Mining: A Review

IEEE Access
Recent advancements in sensor and tracking technologies have facilitated the real-time tracking of marine vessels as they traverse the oceans. As a result, there is an increasing demand to analyze these datasets to derive insights into vessel movement ...
Alexandros Troupiotis-Kapeliaris, C. Kastrisios, Dimitris Zissis   +2 more
semanticscholar   +1 more source

Research on the Method of Urban Jobs-Housing Space Recognition Combining Trajectory and POI Data

ISPRS International Journal of Geo-Information, 2021
With the gradual emergence of the separation and dislocation of urban jobs-housing space, rational planning of urban jobs-housing space has become the core issue of national land-spatial planning. To study the existing relationship between workspaces and
Ya Zhang, Jiping Liu, Yong Wang, Yungang Cao, Youda Bai   +4 more
doaj   +1 more source

Lclean: A Plausible Approach to Individual Trajectory Data Sanitization

IEEE Access, 2018
In recent years, with the continuous development of significant data industrialization, trajectory data have more and more critical analytical value for urban construction and environmental monitoring.
Qilong Han, Dan Lu, Kejia Zhang, Xiaojiang Du, Mohsen Guizani   +4 more
doaj   +1 more source

SHNN-CAD+: An Improvement on SHNN-CAD for Adaptive Online Trajectory Anomaly Detection

Sensors, 2018
To perform anomaly detection for trajectory data, we study the Sequential Hausdorff Nearest-Neighbor Conformal Anomaly Detector (SHNN-CAD) approach, and propose an enhanced version called SHNN-CAD + . SHNN-CAD was introduced based on the theory of
Yuejun Guo, Anton Bardera
doaj   +1 more source

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld, Scott H. Maurer, Michelle D. Watkinson, John Nury, Elise Barberis, Molly C. Mack   +5 more
wiley   +1 more source