Low memory distributed reconstruction of large digital holograms
Page, Andrew J. and Ahrenberg, Lukas and Naughton, Thomas J. (2008) Low memory distributed reconstruction of large digital holograms. Optics Express, 16 (3). pp. 1990-1995.
We present a parallel implementation of the Fresnel transform suitable for reconstructing large digital holograms. Our method has a small memory footprint and utilizes the spare resources of a distributed set of desktop PCs connected by a network. We show how we parallelize the Fresnel transform and discuss how it is constrained by computer and communication resources. Finally, we demonstrate how a 4.3 gigapixel digital hologram can be reconstructed and how the efficiency of the method changes for different memory and processor configurations.
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