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J. Reitterer, F. Fidler, G. Schmid, C. Hambeck, F. Saint Julien-Wallsee, W. Leeb, U. Schmid:
"Calibration Method for Synchronizing the Viewing Zones of a Large-scale Autostereoscopic Multi-view Laser Display";
Vortrag: Integrated Photonics: Materials, Devices, and Applications III - 2015, Barcelona, Spain; 04.05.2015 - 06.05.2015; in: "Proc. of SPIE Vol. 9517-9520", SPIE, 9520 (2015), ISSN: 0277-786x; Paper-Nr. 952007, 6 S.

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.

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.

Autostereoscopy, 3D display, calibration, predistortion, laser diode, microlens, MEMS mirror

http://dx.doi.org/10.1117/12.2181246