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Improving Holographic Search Algorithms using Sorted Pixel Selection

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Document pages: 10 pages

Abstract: Traditional search algorithms for computer hologram generation such as DirectSearch and Simulated Annealing offer some of the best hologram qualities atconvergence when compared to rival approaches. Their slow generation times andhigh processing power requirements mean, however, that they see little use inperformance critical applications. This paper presents the novel Sorted PixelSelection (SPS) modification for Holographic Search Algorithms (HSAs) thatoffers Mean Square Error (MSE) reductions in the range of 14.7 - 19.2 for thetest images used. SPS operates by substituting a weighted search selectionprocedure for traditional random pixel selection processes. While small, theimprovements seen are observed consistently across a wide range of test casesand require limited overhead for implementation.

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