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First Utilization of Energy Transfer in Structured Light Projection - Infrared 3D Scanner

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Abstract:

In industrial metrology, the system of fringe projection for the fast determination of 3D surface data has been established. The combination of areal and structured projection with two-dimensional optical sensors and triangulation measurement principle allows very high measurement point densities with reasonable accuracy. There are great difficulties with high gloss surfaces and with very dark surfaces for state of the art systems. Transparent materials cannot be measured using the visible spectrum of light. We have therefore developed a new structured light projection system that solves these problems. For the first time the physical principle of energy conversion is utilized in areal structured light projection. We are presenting first results to show the advantages and the capability of this new measurement principle.

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Periodical:

Key Engineering Materials (Volume 613)

Pages:

141-150

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.613.141

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Online since:

May 2014

Authors:

Ernst Wiedenmann*, Thomas Scholz, Robert Schott, Jan Tusch, Andreas Wolf

Keywords:

3D Scanning, Absorption, Energy Conversion, Infrared Emission, Infrared Light, Structured Light Projection, Time Resolved Heating, Transparent Surface

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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