Virtual Tour (VT), Informational Modeling (IM), and Augmented Reality (AR) for Visual Inspections (VI) and Structural Health Monitoring (SHM)
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2021-10-01
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Edition:Final Report 09/2018 – 08/2021
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Abstract:Existing infrastructure in the U.S. is deteriorating; the symptoms of overdue maintenance and underinvestment are ever-present in our society (rated with D+ by American Society of Civil Engineers, ASCE). To ensure the safety of existing infrastructure, on-site life-time inspections and monitoring are required. While these methods yield a great deal of raw and analyzed data, current methods for their simple and intuitive management, (i.e., simple and intuitive integration, documentation, access, and visualization), are severely lacking and can lead to mismanagement of infrastructure resources. To enable both on- and off-site documenting and viewing of infrastructure a novel method was developed in this project, which combines image-based documentation, Virtual Tours (VT) and informational modeling (IM), and augmented reality (AR). A cross-platform, client-server system for creating, saving, and viewing annotations was designed and implemented. The strengths and weaknesses of this implementation were addressed, and the accuracy of the approach was evaluated. The findings of this work show the promise of VT/IM/AR as a useful framework for documenting the built environment and assisting access and visualization of data and metadata related to SHM and visual inspections. This work presents a prototype and includes the proof of concept and real-life application.
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