Chinese Optics Letters, 2020, 18 (1): 010901, Published Online: Dec. 6, 2019   

Real-time color holographic video reconstruction using multiple-graphics processing unit cluster acceleration and three spatial light modulators Download: 913次

Author Affiliations
1 Faculty of Science, Kochi University, Kochi 780-8520, Japan
2 Research and Education Faculty, Kochi University, Kochi 780-8520, Japan
3 Graduate School of Integrated Arts and Sciences, Kochi University, Kochi 780-8520, Japan
4 Center for Computational Astrophysics, National Astronomical Observatory of Japan, Mitaka-shi 181-8588, Japan
5 Graduate School of Engineering, Chiba University, Chiba 263-8522, Japan
Abstract
We demonstrate real-time three-dimensional (3D) color video using a color electroholographic system with a cluster of multiple-graphics processing units (multi-GPU) and three spatial light modulators (SLMs) corresponding respectively to red, green, and blue (RGB)-colored reconstructing lights. The multi-GPU cluster has a computer-generated hologram (CGH) display node containing a GPU, for displaying calculated CGHs on SLMs, and four CGH calculation nodes using 12 GPUs. The GPUs in the CGH calculation node generate CGHs corresponding to RGB reconstructing lights in a 3D color video using pipeline processing. Real-time color electroholography was realized for a 3D color object comprising approximately 21,000 points per color.

Shohei Ikawa, Naoki Takada, Hiromitsu Araki, Hiroaki Niwase, Hiromi Sannomiya, Hirotaka Nakayama, Minoru Oikawa, Yuichiro Mori, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito. Real-time color holographic video reconstruction using multiple-graphics processing unit cluster acceleration and three spatial light modulators[J]. Chinese Optics Letters, 2020, 18(1): 010901.

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