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Synthetic content generation for auto-stereoscopic displays

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Abstract

Due to the appearance of auto-stereoscopic visualization as one of the most emerging tendencies used in displays, new content generation techniques for this kind of visualization are required. In this paper we present a study for the generation of multi-view synthetic content, studying several camera setups (planar, cylindrical and hyperbolic) and their configurations. We discuss the different effects obtained varying the parameters of these setups. A study with several users was made to analyze visual perceptions, asking them for their optimal visualization. To create the virtual content, a multi-view system has been integrated in a powerful game engine, which allows us to use the latest graphics hardware advances. This integration is detailed and several demos and videos are attached with this paper, which represent a virtual world for auto-stereoscopic displays and the same scenario in a two-view anaglyph representation for being visualized in any conventional display. In all these demos, the parameters studied can be modified offering the possibility of easily appreciate their effects in a virtual scene.

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Acknowledgements

This work has been supported by the Spanish Ministry of Education and Science (TIN2009-14103-C03-01), Caja Castellón-Bancaja Foundation (P1.1B2009-45), Generalitat Valenciana (Project PROMETEO/2010/028, BEST/2011) and Consolider Ingenio 2010 (CSD2007-00018).

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Authors and Affiliations

  1. Institute of New Imaging Technologies, Universitat Jaume I, Avda. Sos Baynat, s/n, 12071, Castellón, Spain

    Carlos González, José Martínez Sotoca, Filiberto Pla & Miguel Chover

Authors
  1. Carlos González
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  2. José Martínez Sotoca
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  3. Filiberto Pla
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  4. Miguel Chover
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Corresponding author

Correspondence to Carlos González.

Appendices

Appendix A: Demos and videos

In this appendix we present a tutorial to manage the demos attached with this paper, which present a virtual world in Unity3D with the planar, cylindrical and hyperbolic setups. Each one of these setups is presented in both auto-stereoscopic and stereo anaglyph representations.

Note that, as it is specified in the Unity documentation, the system and hardware requirements are Windows XP SP2 or later, Mac OS X Intel CPU & Leopard 10.5 or later and a graphics card with 64 MB of VRAM and pixel shaders.

The user can move through the scene using the cursor keys and turn around the scene with the mouse. All the studied parameters for each setup can be changed in the demos. The links where all the demos (both auto-stereoscopic and anaglyph of each setup) are located are the following:

Additionally, we attach three different videos, showing the effect of varying all these parameters. In order to see better the behavior of each parameter, additional to the generated content we show the changes of the elements in the editor. These videos are located in:

Finally, the code of both the script and shader for Unity are also located in:

Appendix B: Test

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González, C., Martínez Sotoca, J., Pla, F. et al. Synthetic content generation for auto-stereoscopic displays. Multimed Tools Appl 72, 385–415 (2014). https://doi.org/10.1007/s11042-012-1348-x

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