3D optical scanning
Non-contact surface topography measurement using structured light or white-light interferometry to produce a nanometre-resolution height map of the document surface; an alternative to ESDA for fragile or irreplaceable documents.
Non-contact surface topography measurement using structured light or white-light interferometry to produce a nanometre-resolution height map of the document surface; an alternative to ESDA for fragile or irreplaceable documents.
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