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Sören Kammel

Deflectometry for Quality Control of Specular Surfaces

A human observer can detect defects on shiny painted surfaces, e. g. on car parts, more easily than on diffusely reflecting surfaces. For this reason parts whose visual appearance is crucial to their function, require measurement methods with high sensitivity. Deflectometry mimics the reception of a human observer by using the object under test as a mirror and calculating the desired surface property from its imaging function. Thus a much higher sensitivity can be achieved as compared with triangulation methods.

tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

Print ISSN: 0171-8096
Volume: 70, 04/2003
Pages: 193

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