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Novel Predictive Search Algorithm for Phase Holography

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Document pages: 12 pages

Abstract: We present a novel algorithm for generating high quality holograms forComputer Generated Holography - Holographic Predictive Search. This approach ispresented as an alternative to traditional Holographic Search Algorithms suchas Direct Search (DS) and Simulated Annealing (SA). We first introduce thecurrent search based methods and then introduce an analytical model of theunderlying Fourier elements. This is used to make prescient judgementsregarding the next iteration of the algorithm. This new approach is developedfor the case of phase modulating devices with phase sensitive reconstructions.When compared to conventional iterative approaches such as DS and SA on amulti-phase device, Holographic Predictive Search offered improvements inquality of 5x as well up to 10x improvements in convergence time. This is atthe cost of an increased iteration overhead.

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