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http://dx.doi.org/10.5909/JEB.2011.16.1.054

A New Parallelizing Algorithm and Cell-based Hardware Architecture for High-speed Generation of Digital Hologram  

Seo, Young-Ho (Kwangwoon University)
Choi, Hyun-Jun (Kwangwoon University)
Yoo, Ji-Sang (Kwangwoon University)
Kim, Dong-Wook (Kwangwoon University)
Publication Information
Journal of Broadcast Engineering / v.16, no.1, 2011 , pp. 54-63 More about this Journal
Abstract
This paper proposes a new equation to calculate computer-generated hologram (CGH) in a high speed and its cell-based VLSI (veri large scale integrated circuit) architecture. After finding the calculational regularity in the horizontal or vertical direction from the basic CGH equation, we induce the new equation to calculate the horizontal or vertical hologram pixel values in parallel. We also propose the architecture of the CGH cell consisting of a initial parameter calculator and update-phase calculator(s) on the basis of the equation and implement them in hardware. Also we show a hardware architecture to parallelize the calculation in the horizontal direction by extending CGH. In the experiments we analyze the used hardware resources. These analyses makes it possible to select the amount of hardware to the precision of the results. Here, for the CGH kernel and the structure of the processor, we used the platform from our previous works.
Keywords
digital hologram; computer-generated hologram; VLSI; hardware design; parallel architecture;
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