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26 May 2011 Fast 3D shape measurements using laser speckle projection
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3D measurement setups based on structured light projection are widely used for many industrial applications. Due to intense research in the past the accuracy is comparably high in connection with relatively low cost of the equipment. But facing higher acquisition rates in industries especially for chain assembling lines there are still hurdles to take when accelerating 3D measurements and at the same time retaining accuracies. We developed a projection technique that uses laser speckles to enable fast 3D measurements with statistically structured light patterns. In combination with a temporal correlation technique dense and accurate 3D reconstructions at nearly video rate can be achieved.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Martin Schaffer, Marcus Grosse, Bastian Harendt, and Richard Kowarschik "Fast 3D shape measurements using laser speckle projection", Proc. SPIE 8082, Optical Measurement Systems for Industrial Inspection VII, 808219 (26 May 2011);

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