| Summary: | Knowing the precise location where data is collected is a key feature for automated road inspection, including pavement surface and subsurface condition evaluation. The accuracy of commercially available GPS systems (5 to 10 meters) is inadequate because data for road inspection is collected at 2.5cm or smaller intervals with sensors mounted on vehicles moving at 30 mph or faster. Video data recorded from a camera mounted on the vehicle can provide additional data
registration to landmarks in the scene and previously recorded data. However, using video data poses additional challenges including the collection, processing and visualization of vast amounts of data, temporal and spatial registration among different cameras used at different times, natural clutter from unstructured environments, noise, and missing key data due to occlusion or dropped frames.
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