Concept of an autostereoscopic system containing 29 million of stereoscopic image pairs

Armin Grasnick

doi:10.1117/12.2073594

19 February 2015 Concept of an autostereoscopic system containing 29 million of stereoscopic image pairs

Armin Grasnick

Proceedings Volume 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014); 94490M (2015) https://doi.org/10.1117/12.2073594
Event: The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), 2014, Xi'an, China

Abstract

The number of perspective views limits the viewing zone of a passive, untracked autostereoscopic display. To enhance the freedom of movement in front of the 3D display, the number of views has to increase as well. An improvement of the viewing zone caused by the raising view numbers will result in lower resolution of each single perspective. A few companies have showed 3D displays with more than 8 or 9 views (including Sunny Ocean Studios 64 view display).

The number of effective orthoscopic stereo image pairs is a triangular number on the base of the perspective views n. Using a stereoscopic glass (with only 2 views), the triangular number nΔ is also 2. But in a 5 view display (i.e. techXpert 3D display), nΔ=10. In a theoretical case, each vertical line of a display, represented by a sub-pixel, could consist a single view. On a real display with 7.680 sub pixel columns, the resulting triangular number is more than 29 million.

The display system guides more than one view in the pupil of the observer’s eye. This superposition principle of views leads to a reduction of channel separation and an increase of cross talk.

It will be examined if a multitude of very low-resolution images with a high crosstalk could reproduce a satisfying 3D image.

Citation Download Citation

Armin Grasnick "Concept of an autostereoscopic system containing 29 million of stereoscopic image pairs", Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490M (19 February 2015); https://doi.org/10.1117/12.2073594

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