Results 81 to 90 of about 16,841 (299)

A STUDY ON GPS SPOOFING AND JAMMING COUNTERMEASURES TO ENHANCE RELIABILITY AND SECURITY FOR UAVS IN URBAN ENVIRONMENTS

open access: yesTạp chí Khoa học
Unmanned aerial vehicles (UAVs) rely heavily on the Global Positioning System (GPS) for navigation and control, making them vulnerable to attacks such as GPS spoofing and jamming, particularly in urban environments.
Hoang Van Thuc*, Doan Manh Cuong
doaj   +1 more source

DiffTraj: Generating GPS Trajectory with Diffusion Probabilistic Model

open access: yes, 2023
Pervasive integration of GPS-enabled devices and data acquisition technologies has led to an exponential increase in GPS trajectory data, fostering advancements in spatial-temporal data mining research.
Zhang, Shiyao   +4 more
core  

Digital Technology's Role in Circular Waste Management: A Systematic Review

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Combining circular economy ideas with digital tools offers a game‐changing way to tackle global sustainability problems. This paper focuses on how digital changes and circular economy models link up. A review has been conducted for 112 articles from 2021 to September 2025, using PRISMA‐2020 methodology. This study covered new tech like AI, IoT,
Reza Eslamipoor
wiley   +1 more source

Development of Soil Compaction Analysis Software (SCAN) Integrating a Low Cost GPS Receiver and Compactometer

open access: yesSensors, 2012
A software for soil compaction analysis (SCAN) has been developed for evaluating the compaction states using the data from the GPS as well as a compactometer attached on the roller.
Dongha Lee   +5 more
doaj   +1 more source

Trajectory based video analysis in multi-camera setups

open access: yes, 2010
PhDThis thesis presents an automated framework for activity analysis in multi-camera setups. We start with the calibration of cameras particularly without overlapping views.
Anjum, Nadeem
core  

Forecasting Airport Passenger Flows Using Mobile Network Data: Insights for Sustainable Mobility and Strategic Infrastructure Planning

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Airports are strategic and environmental nodes in global transport systems where rapid passenger growth challenges capacity, sustainability, and resilience. This study uses anonymized mobile network data to analyze and forecast passenger dynamics at Lisbon Airport, Portugal, linking data‐driven insights to sustainable mobility and ...
João Carlos Ferreira   +3 more
wiley   +1 more source

Feature-First Add-On for Trajectory Simplification in Lifelog Applications

open access: yesSensors, 2020
Lifelog is a record of one’s personal experiences in daily lives. User’s location is one of the most common information for logging a human’s life. By understanding one’s spatial mobility we can figure out other pieces of context such as businesses and ...
JunSeong Kim
doaj   +1 more source

T-profiles: a method for inferring socio-demographic profiles from trajectories [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Ciência da Computação, Florianópolis, 2015.Ter o conhecimento sobre o perfil dos habitantes de uma cidade ou país tem grande valor para ...
Alencar, Lucas André de
core  

Beyond Compliance: The Role of Climate Policy Stringency and Financial Institutions in Cleantech Startup Entry

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study examines how environmental regulations can drive technological change, drawing on the innovation systems perspective and the strong Porter hypothesis (SPH). The SPH suggests that well‐designed stringent regulations can foster innovation and enhance firm competitiveness, performance, and survival, yet prior research remains largely ...
Muhammad Zubair Khan   +3 more
wiley   +1 more source

Novel trajectory inference algorithms using rich GPS trajectory data sets

open access: yes, 2016
© 2016 Dr. Hengfeng LiWith the popularity of mobile GPS (Global Positioning System) devices such as on-board navigation systems and smart phones, the applications of GPS trajectory data are not just limited to tracking single or multiple objects, but ...
Li, Hengfeng
core  

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