19 May 2016 GOBO projection-based high-speed three-dimensional shape measurement
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Abstract
Pattern projection-based three-dimensional (3-D) measurement systems are well established in various application fields. However, for some time, there has been an increasing demand in terms of a higher measurement speed in order to analyze fast processes. We introduce a GOBO slide-based projector (GOes Before Optics) providing high speed, high radiant flux, and eye-safe incoherent light at low cost. We present its setup as well as the generation and change of the projected patterns. We explain the 3-D measurement principle and show first measurements of an inflating airbag and a rope skipper conducted at a 3-D frame rate of more than 1.3 kHz.
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Stefan Heist, Stefan Heist, Peter Lutzke, Peter Lutzke, Ingo Schmidt, Ingo Schmidt, Patrick Dietrich, Patrick Dietrich, Peter Kühmstedt, Peter Kühmstedt, Gunther Notni, Gunther Notni, "GOBO projection-based high-speed three-dimensional shape measurement", Proc. SPIE 9868, Dimensional Optical Metrology and Inspection for Practical Applications V, 98680F (19 May 2016); doi: 10.1117/12.2227091; https://doi.org/10.1117/12.2227091
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