Browsing by Subject "fringe projection"

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3D geometry measurement of hot cylindric specimen using structured light

Quentin, Lorenz; Beermann, Rüdiger; Pösch, Andreas; Reithmeier, Eduard; Kästner, Markus (Bellingham, Wash. : SPIE, 2017)

We present a fringe projection system to measure glowing hot hybrid components in between production processes. For this a high power green light projector, based on TI DLP technology, is used to create the highest possible ...
Calibration routine for a telecentric stereo vision system considering affine mirror ambiguity

Beermann, Rüdiger; Quentin, Lorenz; Kästner, Markus; Reithmeier, Eduard (Bellingham : SPIE, 2020)

A robust calibration approach for a telecentric stereo camera system for three-dimensional (3-D) surface measurements is presented, considering the effect of affine mirror ambiguity. By optimizing the parameters of a rigid ...
Development of a reconstruction quality metric for optical three-dimensional measurement systems in use for hot-state measurement object

Quentin, Lorenz; Beermann, Rüdiger; Kästner, Markus; Reithmeier, Eduard (Bellingham : SPIE, 2020)

Optical three-dimensional (3-D) geometry measurements are state of the art when it comes to contactless quality control and maintenance of the shape of technical components that exclude tactile measurements due to filigree ...

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