Fast hologram synthesis for 3D geometry models using graphics hardware

Christoph Petz; Marcus Magnor

doi:10.1117/12.476879

4 June 2003 Fast hologram synthesis for 3D geometry models using graphics hardware

Christoph Petz, Marcus Magnor

Proceedings Volume 5005, Practical Holography XVII and Holographic Materials IX; (2003) https://doi.org/10.1117/12.476879
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

The holographic visualization of three-dimensional object geometry still represents a major challenge in computational holography research. Besides the development of suitable holographic display devices, the fast calculation of the hologram's interference pattern for complex-shaped three-dimensional objects is an important pre-requisite of any interactive holographic display system. We present a fast method for rendering full-parallax holograms using a standard PC with a consumer-market graphics card. To calculate the hologram of a 3D object, scaled and translated versions of the interference pattern of simple primitives, e.g. point sources, are superimposed. The hologram is built up completely on-board the graphics card. To avoid numerical inaccuracies due to limited frame-buffer resolution, we use a hierarchical approach. Using an NVidia Geforce4 graphics card, the proposed algorithm takes 1.0 second to calculate the 512×512-pixel hologram of 1024 primitives.

Citation Download Citation

Christoph Petz and Marcus Magnor "Fast hologram synthesis for 3D geometry models using graphics hardware", Proc. SPIE 5005, Practical Holography XVII and Holographic Materials IX, (4 June 2003); https://doi.org/10.1117/12.476879

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