Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 143 for “"GPS Data"”.
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Anomaly detection in GPS data based on visual analytics
… techniques provide robust approaches for data-driven modeling and critical information extraction, while human experts hold the advantage of possessing high-level intelligence and domain-specific expertise. We combine the power of the two for anomaly detection in GPS data by integrating …
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Enriching Digital Maps with Aerial Imagery and GPS Data
… digital street maps from aerial imagery and GPS data. Digital street maps consist of a collection of geometry structures such as a road graph and the semantics associated with the structures, such as the lane count and the speed limit of a road segment. This thesis first proposes two …
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Transforming Personal Daily GPS Data Through Performances: Movement, Memory and Time
… all based on a long-term practice of recording GPS data daily (15 years for me at time of writing). The works comprise different performative processes to materialise the data through public drawing, narrating and collective knotting. Each of the pieces is related to the respective central …
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Using GPS data in route choice analysis : case study in Boston
… pervasive location-based technologies, such as GPS and cell phone, help us find the pattern of geographical information of human behavior and also help dig opportunities in real world. In transportation field, they help people better understand the transportation behavior and at the same time …
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The Use of Short-Interval GPS Data for Construction Operations Analysis
The global positioning system (GPS) makes use of extremely accurate measures of the time to determine position. The times required for electronic signals to travel at the speed of light from at least four orbiting satellites to a receiver on earth is measured precisely and used to calculate the …
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iDiary : compression, analysis, and visualization of GPS data to predict user activities
… and locations. This system uses a user's GPS data to identify locations that have been visited. Activities and terms associated with these locations are found using latent semantic analysis and then presented as a searchable diary. One of the big challenges of working with GPS data is the …
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High precision GPS data processing for the survey of South African tide gauges
Bibliography: leaves 72-78.
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Deep embedding approach to classify purpose of trips between cities from GPS data
… to identify purpose of trips between cities from GPS traces using a deep embedding approach. I extracted statistical features that captures trips characteristics that includes: temporal features, spatial features and Points of Interests (POI) features. I deployed a deep learning model to extract …
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A New Fuzzy Based Stability Index Using Predictive Vehicle Modeling and GPS Data
The use of global positioning systems, or GPS, as a means of logistical organization for fleet vehicles has become more widespread in recent years. The system has the ability to track vehicle location, report on diagnostic trouble codes, and keep tabs on maintenance schedules. This helps to improve …
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Predicting Traffic Speed and Recommending Optimal Routes using GPS Data: A Smart Navigation System for Commuters
… often fall short due to limitations in the data they rely on. Many of these systems depend on simulated traffic data that lack real-world complexities or traditional sensors that provide only limited geographic coverage.<br/>This thesis introduces a novel framework designed to tackle these …
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Influence of lightning on electron density variation in the ionosphere using WWLLN lightning data and GPS data
In this study we have demonstrated that a seasonal and diurnal correlation exists between occurrence frequencies of wave-like structures in the form of Traveling Ionospheric Disturbances (TID) in the ionosphere and tropospheric lightning in the mid-latitude region over South Africa. Lightning …
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Establishing the kinematics of the North East Region of South Africa with the use of GPS data
… not been defined. This project analyses Trignet data, supplemented with other available Nubian GPS data, to determine whether the North East Region of South Africa is segregated from the Nubian Plate. A ten year GPS time series (processed using the Bernese 5.0 precise GNSS software) is minimally …
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Identifying Ionospheric Scintillation in the South Atlantic Magnetic Anomaly using motion-affected GPS data from a ship-based receiver
… dual-frequency Global Positioning System (GPS) Ionospheric Scintillation and Total Electron Content Monitor (GISTM), in an attempt to identify instances of ionospheric scintillation over the South Atlantic Magnetic Anomaly (SAMA) while located aboard the moving polar research vessel SA …
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Delineating the Trace and Kinematics of the Long Point Fault in Houston, Texas using LiDAR Data and Continuous GPS Data
… by human activities. In this case study, LiDAR data collected from the 2001 Tropical Storm Allison Recovery Project was used to distinguish the precise trace of the Long Point Fault, which is a well-known active fault that spans much of the northwest and west part of the Houston metropolitan …
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Taxis as pervasive resilience sensors
… the resilience of transportation systems using GPS data from taxis. The granularity of the GPS data necessary for this analysis is relatively coarse; it only requires coordinates for the beginning and end of trips, the metered distance, and the total travel time. The method works by computing …
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Studying Regional and Cross Border Freight Movement Activities with Truck GPS Big Data
This dissertation utilizes an existing GPS data source to create and analyze a dataset of processed truck trips. The original data was generated for the purpose of fleet management by GPS transponders installed on Canadian owned trucks. These vehicles provide a critical service by fulfilling the …
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Atmospheric delay modeling for satellite laser altimetry
… delay algorithm uses numerical weather model data to estimate delay values. We have validated these algorithms using Automatic Weather Stations (AWS) in the polar regions and GPS data over the globe. The GPS data validation was also augmented by in-situ meteorology measurements at some the …
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