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OSP Final Research Reports

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Now showing 1 - 10 of 162
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    Progressive site modeling with videogrammetry
    (Georgia Institute of Technology, 2012-08) Brilakis, Ioannis
    While existing fully automatic stereo reconstruction systems are showing great promise in 3D reconstruction of outdoor scenes, their main priority is to achieve a visually appealing model via smoothing or interpolating the 3D data; this may fill the holes in the model and/or smoothen bumpy areas but significantly affects the Euclidean accuracy of the measurements. Unlike these techniques, the primary goal of this project is to provide accurate measurements.
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    Development and implementation of a decision support tool for the Atlanta Beltline: final report
    (Georgia Institute of Technology, 2012-07) Ross, Catherine L. ; Elliot, Michael
    The Beltline Tax Allocation Advisory Committee (TADAC) together with the Atlanta Beltline Inc. (ABI) contracted with the Georgia Tech Center for Quality Growth and Regional Development and its partners from Georgia Tech and Cambridge Systematics to develop a tool in support of systematic decision‐making for the Beltline. The decision support tool (DST) is designed to help guide TADAC, Atlanta BeltLine Inc., and stakeholders in process and program decisions, clarify and enumerate the goals, objectives, and vision for the BeltLine, and allow scenarios to be compared on their ability to effectively and equitably realize that vision. It provides a means of measuring both baseline conditions throughout the BeltLine and potential impacts of new development on those baseline conditions. The BeltLine is Atlanta’s most ambitious redevelopment project, directly impacting approximately seven percent of the land in the city and encompassing thousands of new homes, businesses, and public facilities, new parks and trails, transit service, and new or redesigned streets and sidewalks. The enabling legislation for the BeltLine requires these changes to be evaluated through a DST. The DST will integrate physical, environmental, and socioeconomic information to establish priorities, evaluate scenarios, establish accountability, and estimate likely impacts of the BeltLine implementation. The DST is designed to provide an objective and consistent way to test decisions against the BeltLine vision and goals, and to evaluate decisions on their alignment with the interests of all stakeholders, as expressed in this vision and goals. This document presents the Final Report for Phase I of the DST development project. This report describes the background for the project, outlines the framework and development of the DST model, explains the working of the model, and provides details as to its upkeep and management. It documents and provides guidance as to the use and maintenance of the model.
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    Formal methods for specifying product model views: development of a national BIM standard & IFC semantics for model views
    (Georgia Institute of Technology, 2011-07) Eastman, Charles M. ; Venugopal, Manu
    Architecture, Engineering, Construction (AEC) and Facilities Management (FM) involve domains that require a very diverse set of information and model exchanges to fully realize the potential of digital design and construction. Industry Foundation Classes (IFC) provides a large and redundant neutral and open schema to support interoperability. Model View Definitions (MVD) are needed to specify what subset of the IFC schema is appropriate for different exchanges. Exchange specifications are expensive to build, test and maintain. A "Guide for Development and Preparation of a National BIM Exchange Standard" capturing current best practice, was prepared and submitted to the buildingSMART organization by the research team. Based on the experience gained from development of the precast NBIM Standard, an analysis of IFC semantics for model exchanges, we have identified a set of weaknesses and issues retarding the short term and long term effectiveness of NBIMS, and offer a set of recommendations to improve information exchanges based on IFC. Also introduced is a new software engineering methodology based on object-oriented, shared, and reusable components and standards that are applicable to the AEC/FM industry for development of Semantic Exchange Modules (SEM). This SEM structure is based on engineering ontologies that help to develop more consistent MVDs. The outcome of this research, is an in initial testable SEM library for the domain of Precast/Prestressed Concrete Industry. When implemented by software developers, it can provide the mechanism for a semi-automated approach to model view development. Plans for testing and validation of SEMs with different export and import implementations are being carried out. This research is expected to significantly impact the overall interoperability of BIM applications.
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    Ecaspar usability study
    (Georgia Institute of Technology, 2009-07-09) Bryant, Elizabeth
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    Bench test for adjustability and positioning capability of wheelchair
    (Georgia Institute of Technology, 2009-06-09) Sprigle, Stephen
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    MCG critical care 3 west evaluation
    (Georgia Institute of Technology, 2009-06-09) Zimring, Craig
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    (SBIR) Resource materials for home modifications
    (Georgia Institute of Technology, 2009-06-09) Bruce, Carrie M.
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    Will streamlining the mortgage foreclosure process reduce vacancy and abandonment?
    (Georgia Institute of Technology, 2009-06-08) Immergluck, Daniel W.