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Scalable and Extensible Augmented Reality with Applications in Civil Infrastructure Systems.

dc.contributor.authorDong, Suyangen_US
dc.description.abstractIn Civil Infrastructure System (CIS) applications, the requirement of blending synthetic and physical objects distinguishes Augmented Reality (AR) from other visualization technologies in three aspects: 1) it reinforces the connections between people and objects, and promotes engineers’ appreciation about their working context; 2) It allows engineers to perform field tasks with the awareness of both the physical and synthetic environment; 3) It offsets the significant cost of 3D Model Engineering by including the real world background. The research has successfully overcome several long-standing technical obstacles in AR and investigated technical approaches to address fundamental challenges that prevent the technology from being usefully deployed in CIS applications, such as the alignment of virtual objects with the real environment continuously across time and space; blending of virtual entities with their real background faithfully to create a sustained illusion of co- existence; integrating these methods to a scalable and extensible computing AR framework that is openly accessible to the teaching and research community, and can be readily reused and extended by other researchers and engineers. The research findings have been evaluated in several challenging CIS applications where the potential of having a significant economic and social impact is high. Examples of validation test beds implemented include an AR visual excavator-utility collision avoidance system that enables spotters to ”see” buried utilities hidden under the ground surface, thus helping prevent accidental utility strikes; an AR post-disaster reconnaissance framework that enables building inspectors to rapidly evaluate and quantify structural damage sustained by buildings in seismic events such as earthquakes or blasts; and a tabletop collaborative AR visualization framework that allows multiple users to observe and interact with visual simulations of engineering processes.en_US
dc.subjectCivil Infrastructure Systemen_US
dc.subjectAugmented Realityen_US
dc.subjectScalable and Extensible Frameworken_US
dc.subjectUnderground Utilities Visualizationen_US
dc.subjectRapid Post-earthquake Building Damage Reconnaissanceen_US
dc.titleScalable and Extensible Augmented Reality with Applications in Civil Infrastructure Systems.en_US
dc.description.thesisdegreedisciplineCivil Engineeringen_US
dc.description.thesisdegreegrantorUniversity of Michigan, Horace H. Rackham School of Graduate Studiesen_US
dc.contributor.committeememberKamat, Vineet Rajendraen_US
dc.contributor.committeememberJamin, Sugihen_US
dc.contributor.committeememberEverett, John G.en_US
dc.contributor.committeememberLee, Sanghyunen_US
dc.subject.hlbsecondlevelCivil and Environmental Engineeringen_US
dc.owningcollnameDissertations and Theses (Ph.D. and Master's)

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