Paper
1 June 2015 Calibration method for synchronizing the viewing zones of a large-scale autostereoscopic multi-view laser display
Jörg Reitterer, Franz Fidler, Gerhard Schmid, Christian Hambeck, Ferdinand Saint Julien-Wallsee, Walter Leeb, Ulrich Schmid
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Abstract
We have developed a calibration method for synchronizing the autostereoscopic viewing zones displayed by an array of “trixels”, i.e., laser modules with integrated MEMS mirrors. Calibration patterns are projected onto a calibration screen and recorded by a camera. The distortion functions, which map the laser diode driving signals from the time domain to the intensity distributions in the spatial domain, are extracted from the recorded calibration patterns. Unlike conventional autostereoscopic displays, e.g., with lenticular lenses or parallax barriers, the optimal 3D viewing distance of the display can be adapted on-the-fly by transforming the distortion functions using linear operations.
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Jörg Reitterer, Franz Fidler, Gerhard Schmid, Christian Hambeck, Ferdinand Saint Julien-Wallsee, Walter Leeb, and Ulrich Schmid "Calibration method for synchronizing the viewing zones of a large-scale autostereoscopic multi-view laser display", Proc. SPIE 9520, Integrated Photonics: Materials, Devices, and Applications III, 952007 (1 June 2015); https://doi.org/10.1117/12.2181246
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KEYWORDS
Calibration

3D displays

Distortion

3D vision

Semiconductor lasers

Microelectromechanical systems

Mirrors

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