This is the second in a series of articles on the use of 3D imaging for nondestructive testing. The first article discussed the basics of 3D imaging and focused on laser triangulation and structured light techniques. This article will focus on the application of 3D imaging in the assessment of corrosion on pipelines. In this application, 3D imaging will be used to identify areas of corrosion, determine the maximum amount of metal loss, extract the river bottom profile, and calculate the remaining strength of a pipeline.
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