NASA NTRS · 19900000476
Radial Profilometry
Abstract
Radial profilometry is combination of optical and electronic techniques for measurement of inner surfaces of cylindrical or nearly cylindrical cavities. Profilometer inserted in pipe or other cavity to measure its shape optically. Illumination supplied through optical fiber, and image of inspected area of cavity transmitted through bundle of optical fibers. Applications include inspection of pipes, tubes, boreholes, and possibly measurements of contours in blood vessels or other internal organs.
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Gilbert, J. A., Greguss, P., Matthys, D. R.. 1990-09-01. Radial Profilometry. https://ntrs.nasa.gov/citations/19900000476
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