一种新的相位全息预测搜索算法
Novel Predictive Search Algorithm for Phase Holography
摘要：
提出了一种新的计算全息高质量全息图生成算法-全息预测搜索算法。这种方法是作为一种替代传统的全息搜索算法，如直接搜索（DS）和模拟退火（SA）。我们首先介绍目前的搜索为基础的方法，然后介绍一个分析模型的基础傅立叶元素。这用于对算法的下一次迭代做出有先见之明的判断。这种新的方法是针对相位调制器件的相敏重构的情况而提出的。与传统的迭代方法（如DS和SA）相比，全息预测搜索在多阶段设备上提供了5倍的质量改进以及高达10倍的收敛时间改进。这是以增加迭代开销为代价的。
英文摘要：
We present a novel algorithm for generating high quality holograms for Computer Generated Holography - Holographic Predictive Search. This approach is presented as an alternative to traditional Holographic Search Algorithms such as Direct Search (DS) and Simulated Annealing (SA). We first introduce the current search based methods and then introduce an analytical model of the underlying Fourier elements. This is used to make prescient judgements regarding the next iteration of the algorithm. This new approach is developed for the case of phase modulating devices with phase sensitive reconstructions. When compared to conventional iterative approaches such as DS and SA on a multi-phase device, Holographic Predictive Search offered improvements in quality of 5x as well up to 10x improvements in convergence time. This is at the cost of an increased iteration overhead.
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