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http://dx.doi.org/10.5909/JBE.2015.20.5.706

Fast Hologram Generating of 3D Object with Super Multi-Light Source using Parallel Distributed Computing  

Song, Joongseok (Department of Computer Software, Hanyang University)
Kim, Changseob (Department of Computer Science and Engineering, Hanyang University)
Park, Jong-Il (Department of Computer Science and Engineering, Hanyang University)
Publication Information
Journal of Broadcast Engineering / v.20, no.5, 2015 , pp. 706-717 More about this Journal
Abstract
The computer generated hologram (CGH) method is the technology which can generate a hologram by using only a personal computer (PC) commonly used. However, the CGH method requires a huge amount of calculational time for the 3D object with a super multi-light source or a high-definition hologram. Hence, some solutions are obviously necessary for reducing the computational complexity of a CGH algorithm or increasing the computing performance of hardware. In this paper, we propose a method which can generate a digital hologram of the 3D object with a super multi-light source using parallel distributed computing. The traditional methods has the limitation of improving CGH performance by using a single PC. However, the proposed method where a server PC efficiently uses the computing power of client PCs can quickly calculate the CGH method for 3D object with super multi-light source. In the experimental result, we verified that the proposed method can generate the digital hologram with 1,5361,536 resolution size of 3D object with 157,771 light source in 121 ms. In addition, in the proposed method, we verify that the proposed method can reduce generation time of a digital hologram in proportion to the number of client PCs.
Keywords
Digital holography; parallel distributed computing; GPGPU;
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  • Reference
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