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Fast Computation Algorithm of Fresnel Holograms Using Recursive Addition Method  

Choi, Hyun-Jun (광운대학교 전자재료공학과)
Seo, Young-Ho (광운대학교 교양학부)
Kim, Dong-Wook (광운대학교 전자재료공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.5C, 2008 , pp. 386-394 More about this Journal
Abstract
For digital holographic video system, it is important to generate digital hologram as fast as possible. This paper proposed a fixed-point method and fast generation method that can calculate the Fresnel hologram using operation of whole-coordinate recursive addition. To compute the digital hologram, 3D object is assumed to be a collection of depth-map point generated using a PC. Our algorithm can compute a phase on a hologram by recursive addition with fixed-point format at a high speed. When we operated this algorithm on a personal computer, we could maximally compute digital hologram about 70% faster than conventional method and about 30% faster than of [3]'s method.
Keywords
Digital holography; Computer generated holography; Digital hologram; 3D; High-speed;
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