Stereoscopic surround displays using interference filters
2012
To achieve stereoscopy on surround displays interference filters have some advantages over other techniques. However
these filters introduce strong color differences between the projectors, which may reveal that the display is compound by
multiple projectors. This article presents methods for a computationally efficient correction of the colorimetric properties
of multi-projector surround displays. This correction is based on automated measurements by multiple cameras and a
spectrometer.
The described methods were validated by applying them to a stereoscopic dome display made up of 16 high definition
projectors equipped with Infitec filters. On that display we achieved a significant improvement of the colorimetric
properties compared to regular soft-edge blending. Our reference setup shows that the multi-projector approach
combined with interference filters allows to build highly immersive stereoscopic surround displays fulfilling today's
requirements on spatial resolution, frame rates and interaction latencies.
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- Correction
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