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Problem Addressed

Large structures such as bridges, buildings and antenna towers are subject to rain and high winds among other environmental effects that can cause deterioration such as corrosion and metal fatigue. Monitoring the condition of these structures is critical to public safety; however, traditional means of infrastructure inspection, such as those that use wired accelerometers, are typically expensive and labor-intensive to use. The Inventors have developed an alternative method that uses a fast and simple camera set-up to track the resonant frequency and other properties of a structure’s displacement signal over time, to monitor signs of potential damage.