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Filtering by: Advisor Hudson, J. Michael Remove constraint Advisor: Hudson, J. Michael Academic Affiliation Civil and Construction Engineering Remove constraint Academic Affiliation: Civil and Construction Engineering

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  • Investigation of Multi-constellation RTK GNSS Survey Productivity and Coordinate Accuracy

    Creator:
    Jamieson, Marian H.
    Abstract:
    This study evaluates the productivity and accuracy of surveys completed with single-base real-time kinematic (RTK) Global Navigation Satellite Systems (GNSS) using four different GNSS constellation combinations: (1) GPS-only, (2) GPS+GLONASS, (3) GPS+Galileo+BeiDou, and (4) GPS+GLONASS+Galileo+BeiDou. For this comparison, we set up a test site consisting of 20 stations ranging with...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: _____________________________________________________ Michael J. Olsen This study

  • Rigorous 3D Point Cloud Quality Assessment

    Creator:
    O'Banion, Matthew S.
    Abstract:
    The capabilities of modern three-dimensional (3D) capture technology such as laser scanning and image-based 3D reconstruction are well suited to enhance the practice and research of civil engineering. However, given the often-overwhelming focus placed on the incredible capabilities of these tools and techniques, it is important to investigate the limitations...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Michael J. Olsen The capabilities of modern three-dimensional (3D) capture

  • Accuracy Evaluation of Real-Time GNSS Survey Observations

    Creator:
    Allahyari, Mahsa
    Abstract:
    Real time networks (RTNs) have become popular for Global Navigation Satellite System (GNSS) surveys because highly accurate positions can be derived in seconds to minutes compared to hours as required with static sessions. To evaluate the accuracy of these shorter-duration, RTN GNSS observations and their potential for use as a...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Michael J. Olsen Real time networks (RTNs) have become popular for Global Navigation

  • Implementing High Dynamic Range (HDR) Photography to Improve 3D Laser Scanning Point Cloud Visualization and Segmentation

    Creator:
    Mahmoudabadi, Hamid
    Abstract:
    This research explores several novel approaches to improve visualization and segmentation of point clouds acquired with 3D laser scanning. 3D laser scanning is used in a wide variety of applications including surveying and mapping, transportation asset management, facilities management, building information modeling, crime scene investigations, cultural heritage and geologic instigations....
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: Michael J. Olsen This research explores several novel approaches to improve

  • Analysis of spatial data from terrain models for landslide predictive mapping

    Creator:
    Santha, Rubini
    Abstract:
    Landslides are a pervasive hazard that can result in substantial damage to properties and loss of life throughout the world. To understand the nature and scope of the hazard, landslide hazard mapping has been an area of intense research by identifying areas most susceptible to landslides in order to mitigate...
    Resource Type:
    Dissertation
    Full Text:
    Michael J. Olsen Landslides are a pervasive hazard that can result in substantial damage to properties

  • Quantification of landslide movement in a forested environment

    Creator:
    Conner, Jeremy C.
    Abstract:
    Landslides are an insidious natural hazard, which can result in significant damage to public infrastructure. Limited monitoring tools are available, particularly tools suitable for use in forested environments. These tools often only allow a few locations across the slide to be monitored. Terrestrial Laser Scanning (TLS) shows promise as a...
    Resource Type:
    Masters Thesis

  • Paving the way for terrestrial laser scanning assessment of road quality

    Creator:
    Chin, Abby
    Abstract:
    With the growing trend in use of 3D laser scanning technology for data collection, it is important to study the various potential applications of this revolutionary technology. One such application is the measurement of road roughness at both large and small scales. At larger extents, terrestrial laser scanning (TLS) is...
    Resource Type:
    Masters Thesis

  • Accuracy assessment of LiDAR point cloud geo-referencing

    Creator:
    Williams, Keith E.
    Abstract:
    Three-dimensional laser scanning has revolutionized spatial data acquisition and can be completed from a variety of platforms including airborne (ALS), mobile (MLS), and static terrestrial (TLS) laser scanning. MLS is a rapidly evolving technology that provides increases in efficiency and safety over static TLS, while still providing similar levels of...
    Resource Type:
    Masters Thesis
    Full Text:
    : __________________________________________________________ Michael J. Olsen Three-dimensional laser scanning has revolutionized spatial data

  • Evaluation of straw wattle placement and surficial slope stability

    Creator:
    Rikli, Anthony M.
    Abstract:
    Straw wattles are common erosion control devices used to trap sediment. This thesis studies the relationship of straw wattles on slope stability through a case study demonstrating their use on steep slopes (1.5H:1V) for the US20 highway realignment project. Several surficial slope failures have occurred on these fill slopes, often...
    Resource Type:
    Masters Thesis
    Full Text:
    Abstract approved: Michael J. Olsen Straw wattles are common erosion control devices used to trap

  • Advancing Spatial Data Engineering and Analysis: Integrative Approaches with GIS, Statistical Modelling, and Deep Learning

    Creator:
    Krivova, Maria
    Abstract:
    Geospatial data analysis is a multifaceted discipline encompassing the collection, processing, and visualization of diverse datasets. It models and delineates the interactions of people, objects, and phenomena within geographical spaces and predicts patterns based on the relationships between different locations. Despite significant advancements in geospatial data engineering and analytics over...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________________ Michael J. Olsen